CN216451132U

CN216451132U - Bus conductor, gas-insulated metal-enclosed switchgear and power system

Info

Publication number: CN216451132U
Application number: CN202123369793.9U
Authority: CN
Inventors: 张振国; 高绪森; 杜永宙; 杨德运; 杨坤
Original assignee: Qingdao Yihe Electric Group Co ltd
Current assignee: Qingdao Yihe Electric Group Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-06
Anticipated expiration: 2031-12-28

Abstract

The utility model provides a bus conductor, gas insulated metal enclosed switchgear and a power system, comprising a first bus, a second bus and a connecting platform; one end head of the first bus and one end head of the second bus are respectively connected with two ends of the connecting table through bolts; two ends of the connecting platform are respectively provided with a shielding cover, and the bolt is positioned in the shielding covers; the bus conductor is divided into two heads and a middle connecting platform, is fastened by bolts, and is arranged in the shielding cover, so that the purpose of disassembly and assembly can be achieved, the requirement of an internal electric field can be met, and the potential discharge hazard can be eliminated.

Description

Bus conductor, gas-insulated metal-enclosed switchgear and power system

Technical Field

The utility model belongs to the technical field related to power systems, and particularly relates to a bus conductor, gas insulated metal-enclosed switchgear and a power system.

Background

GAS INSULATED metal enclosed switchgear (GAS INSULATED switchgear SWITCHGEAR, GIS) is comprised of circuit breakers, disconnectors, grounding switches, transformers, arresters, busbars, connectors, and outlet terminals, all enclosed in a metal grounded enclosure.

The inventor finds that 1, after the bus of the GIS equipment is butted, the butting position of the bus adopts a plug-in mounting structure, so that the bus can not be disassembled any more, and the maintenance is difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides a bus conductor, gas insulated metal enclosed switchgear and a power system.

According to some embodiments, a first aspect of the present invention provides a bus bar conductor, which adopts the following technical solutions:

a bus conductor comprises a first bus, a second bus and a connecting platform; the head part of one end of the first bus and the head part of one end of the second bus are respectively connected with the two ends of the connecting table through bolts;

and two ends of the connecting platform are respectively provided with a shielding cover, and the bolt is positioned inside the shielding covers.

Further, flanges are arranged at one end head of the first bus and one end head of the second bus, and bolt holes are arranged on end faces of two ends of the connecting table; the flange is connected with the bolt hole through a bolt.

Furthermore, external threads are arranged on the outer sides of two ends of the connecting table, and internal threads are arranged in one end of the shielding cover; the shielding case is arranged on the connecting table in a threaded fit mode.

Furthermore, the bolts are uniformly distributed along the circumferential direction of the connecting table.

According to some embodiments, a second aspect of the present invention provides a gas-insulated metal-enclosed switchgear, which adopts the following technical solutions:

a gas-insulated metal-enclosed switchgear device comprising at least one busbar conductor as described in the first aspect.

Furthermore, the device also comprises a shell, and a first insulator and a second insulator which are respectively arranged at two ends of the shell.

Further, one end, far away from the connecting table, of the first bus bar is connected with the first insulator; and one end of the second bus, which is far away from the connecting table, is connected with the second insulator.

Further, the first insulator and the second insulator are connected with the housing through a flange structure.

Further, a bus bar conductor is located inside the housing.

According to some embodiments, a third aspect of the present invention provides an electric power system, which adopts the following technical solutions:

an electric power system employing the gas-insulated metal-enclosed switchgear according to the second aspect.

Compared with the prior art, the utility model has the beneficial effects that:

the bus conductor is divided into two heads and a middle connecting platform, is fastened by bolts, and the bolts are arranged in the shielding cover, so that the purpose of dismounting can be achieved, the requirement of an internal electric field can be met, and the potential discharge hazard can be eliminated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural view of embodiment 2 of the present invention;

wherein: 1. connecting platform, 2, bolt, 3, shield cover, 4, first generating line, 5, second generating line, 6, first insulator, 7, second insulator, 8, casing.

The specific implementation mode is as follows:

the utility model is further described with reference to the following figures and examples.

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1:

as shown in fig. 1, the present embodiment provides a bus bar conductor including a first bus bar 4, a second bus bar 5, and a connection stage 1; one end head of the first bus bar 4 and one end head of the second bus bar 5 are respectively connected with two ends of the connecting table 1 through bolts 2;

the two ends of the connecting table 1 are respectively provided with a shielding cover 3, and the bolt 2 is positioned inside the shielding cover 3.

In this embodiment, the connecting table 1 may be a cylindrical structure with fixing screw holes on both end surfaces; one end head of the first bus 4 and one end head of the second bus 5 can be set to be structures with shielding rings and fixing holes, and one end of the bus head can also be set to be a metal head with a flange structure, so that bolt connection with the connecting table 1 can be realized; it will be appreciated that the first busbar 4 and the second busbar 5 and the head are provided by welding.

The bus conductor in the embodiment is a bus conductor for GIS equipment; two buses in the bus conductors are connected through bolts, so that the bus joint can be disassembled; meanwhile, the shielding cover is arranged outside the bolt, so that the requirement of an internal electric field is met, the potential discharge hazard is eliminated, and the requirement of matching and using the detachable bus, the voltage transformer and the lightning arrester can be met.

In this embodiment, flanges are disposed at one end head of the first bus bar 4 and one end head of the second bus bar 5, and bolt holes are disposed on end surfaces of two ends of the connecting table 1; the flange is connected with the bolt hole through a bolt 2; the bolts can be arranged in a plurality of numbers and are uniformly distributed along the circumferential direction of the connecting table 1, so that the connecting strength is improved.

In this embodiment, external threads are disposed on the outer sides of the two ends of the connecting platform 1, the shielding case 3 may be tubular, and internal threads are disposed inside one end of the shielding case 3; the shielding cover 3 is arranged on the connecting table 1 in a threaded fit manner; it can be understood that the internal thread and the external thread are matched, and the shielding case 3 can be detached from the connecting platform 1, so that the operation of the bolt 2 is convenient.

Example 2:

as shown in fig. 2, the present embodiment provides a gas-insulated metal-enclosed switchgear comprising at least one bus conductor as described in the first aspect; in this embodiment, the bus bar conductors may be provided in 3.

In this embodiment, the gas-insulated metal-enclosed switchgear further includes a housing 8, and a first insulator 6 and a second insulator 7 respectively disposed at both ends of the housing 8; in this embodiment, the first insulator and the second insulator may be connected to the housing through a flange structure, and in other embodiments, the first insulator and the second insulator may be connected by using other conventional techniques according to actual requirements, which is not described in detail herein.

In the present embodiment, one end of the first bus bar 4 away from the connecting platform 1 is connected to the first insulator 6; one end of the second bus 5, which is far away from the connecting platform 1, is connected with the second insulator 7; the connection of the bus bar to the insulator is prior art or is achieved by conventional connection means and will not be described in detail herein.

As shown in fig. 2, the bus conductor is located inside the housing 8, the first insulator 6 and the second insulator 7 are both disposed on the side surface of the housing 8, flanges are further disposed on both end surfaces of the housing 8 for connecting with other components, the housing structure 8 is disposed according to practical requirements or conventional techniques, and the connection with other components is not much related to the connection with the bus conductor in this embodiment, and will not be described in detail here.

Example 3:

the present embodiment provides an electric power system including the gas-insulated metal-enclosed switchgear as described in embodiment 2; the overall arrangement of the power system and the arrangement of the gas-insulated metal-enclosed switchgear in the whole power system can be realized by the prior art or conventional arrangements, and the detailed description is omitted here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bus conductor is characterized by comprising a first bus, a second bus and a connecting platform; the head part of one end of the first bus and the head part of one end of the second bus are respectively connected with the two ends of the connecting table through bolts;

2. A bus bar conductor according to claim 1, wherein a head portion of the first bus bar and a head portion of the second bus bar are each provided with a flange, and bolt holes are provided in end faces of both ends of the connecting table; the flange is connected with the bolt hole through a bolt.

3. The bus bar conductor according to claim 1, wherein the outside of both ends of the connecting block is provided with an external thread, and the inside of one end of the shield case is provided with an internal thread; the shielding case is arranged on the connecting table in a threaded fit mode.

4. A bus bar conductor according to claim 1, wherein said bolts are plural and uniformly distributed in a circumferential direction of said connecting table.

5. A gas-insulated metal-enclosed switchgear device, characterized in that it comprises at least one busbar conductor according to any one of claims 1 to 4.

6. The gas insulated metal enclosed switchgear of claim 5, further comprising a housing, and a first insulator and a second insulator respectively disposed at both ends of the housing.

7. The gas insulated metal enclosed switchgear of claim 6, wherein an end of the first bus bar remote from the connection station is connected to the first insulator; and one end of the second bus, which is far away from the connecting table, is connected with the second insulator.

8. The gas insulated metal enclosed switchgear of claim 6, wherein the first insulator and the second insulator are connected to the housing by a flange structure.

9. The gas insulated metal enclosed switchgear of claim 6, wherein the bus bar conductor is located inside said housing.

10. An electric power system, characterized in that a gas insulated metal enclosed switchgear according to any of claims 5-9 is used.