CN220821124U - Gas insulated bus and pipeline bus - Google Patents

Abstract

The utility model relates to the technical field of GIL linear units, in particular to a gas insulated bus and a pipeline bus. The gas-insulated bus comprises a bus barrel, an electric conductor, an insulating piece and an insert located between the insulating piece and the electric conductor. The inserts are sleeved on the conductors, the insulators are sleeved on the inserts, the bus barrel is provided with a threading channel, the conductors, the inserts and the insulators are all arranged in the threading channel, the insulators are supported between the conductors and the bus barrel, the insulators and the conductors are fastened by the inserts, the anti-slip structures are arranged on the inserts to increase the fastening force of the insulators and the conductors, the insulators and the conductors can adjust the relative fastening force through the anti-slip structures even when the heat expansion and cold contraction are carried out, sliding friction is avoided between the insulators and the conductors, stable operation of the insulators is prevented from being influenced by aluminum scraps or electrode metal particles, and the reliability of bus operation is improved.

Description

Gas insulated bus and pipeline bus

Technical Field

The utility model relates to the technical field of GIL linear units, in particular to a gas insulated bus and a pipeline bus.

Background

The gas-insulated rigid transmission line has become an optimal solution for replacing overhead lines and cables under special conditions because of the advantages of small occupied area, large transmission capacity, low loss, long life cycle, lower Life Cycle Cost (LCC) than cables and the like. Especially has unique product advantages in the fields of nuclear power stations, hydropower stations and pumped storage.

At present, a pillar insulator is added between an aluminum alloy shell and an aluminum conductor in a gas insulated rigid transmission line (GIL) straight line unit to compensate the problem of distortion of an electric field in the GIL caused by falling of the conductor due to self gravity, so that the function of supporting the conductor to ensure the roundness of the shell/conductor in the GIL is achieved.

The traditional scheme fixes the conductor and the supporting insulator by welding/crimping/bolt fastening and the like, and the inside of the supporting insulator is contacted with the conductor in the form of an electrode/pulley. In the running process, because the expansion and contraction of the aluminum conductor can cause sliding friction between the post insulator electrode/pulley and the conductor, aluminum scraps or electrode metal particles are generated to seriously and seriously influence the stable running of the GIL post insulator.

Disclosure of utility model

The utility model mainly aims to provide a gas-insulated bus, which aims to solve the technical problem that the operation stability of a post insulator is affected due to the fact that relative sliding between a conductor and a supporting insulator occurs due to thermal expansion and cold contraction in the conventional GIL linear unit.

To achieve the above object, the present utility model provides a gas-insulated bus bar comprising:

The bus cylinder is provided with a threading channel;

the conductor is arranged in the threading channel in a penetrating way;

the insulating piece is sleeved on the conductor and connected with the bus barrel; and

The insert is clamped between the conductor and the insulator and is provided with an anti-slip structure for fastening the insulator and the conductor.

In an embodiment of the present utility model, the insert includes an insert cylinder and the anti-slip structure, and the insert cylinder is sleeved on the peripheral wall of the electric conductor;

The anti-slip structure is arranged on one side of the embedded cylinder facing the electric conductor, and the anti-slip structure is limited between the embedded cylinder and the electric conductor.

In an embodiment of the present utility model, the insert is a metal piece;

And/or, the anti-slip structure is detachably connected with the embedded cylinder;

Or, the anti-slip structure and the embedded cylinder are integrated into a whole.

In one embodiment of the utility model, the anti-slip structure is configured as a watchband contact finger;

or, the anti-skid structure is arranged as a spring contact finger;

Or, a plurality of limit grooves are formed in one side of the embedded cylinder facing the electric conductor;

The anti-slip structure comprises a plurality of balls, one ball is limited in the limiting groove, and one side, opposite to the bottom of the limiting groove, of the ball abuts against the conductor.

In one embodiment of the present utility model, the insert is located at a middle part of the conductor along an axial direction thereof;

And/or, along the axial direction of the conductor, the length of the embedded cylinder is greater than or equal to the length of the insulating piece;

and/or, along the axial direction of the conductor, the length of the embedded cylinder is smaller than the length of the conductor.

In an embodiment of the utility model, the gas-insulated bus further includes a monitoring member, the monitoring member is disposed in the threading channel, and the monitoring member is detachably connected to the bus cylinder.

In an embodiment of the utility model, the monitoring element is a temperature sensor;

And/or, the monitoring piece is a humidity sensor;

and/or, the monitoring piece is a barometric sensor;

and/or the monitoring piece is a current sensor or a voltage sensor.

In one embodiment of the utility model, the periphery of the bus bar barrel is provided with a mounting part;

The gas-insulated bus further comprises a dismounting part, wherein the dismounting part is arranged between the insulating part and the channel wall of the threading channel, and the dismounting part is arranged corresponding to the mounting part and detachably mounted with the mounting part.

In one embodiment of the utility model, the insulator is detachably connected with the bus bar barrel;

And/or the insulator is a single-post insulator; or, the insulator is a two-pillar insulator; or, the insulator is a three-post insulator.

The utility model also provides a pipeline bus which comprises a plurality of gas-insulated bus units, wherein the plurality of gas-insulated bus units are sequentially connected.

The gas-insulated bus comprises a bus barrel, a conductor, an insulating piece and an insert located between the insulating piece and the conductor. The inserts are sleeved on the conductors, the insulators are sleeved on the inserts, the bus barrel is provided with a threading channel, the conductors, the inserts and the insulators are all arranged in the threading channel, the insulators are supported between the conductors and the bus barrel, the insulators and the conductors are fastened by the inserts, the anti-slip structures are arranged on the inserts to increase the fastening force of the insulators and the conductors, the insulators and the conductors can adjust the relative fastening force through the anti-slip structures even when the heat expansion and cold contraction are carried out, sliding friction is avoided between the insulators and the conductors, stable operation of the insulators is prevented from being influenced by aluminum scraps or electrode metal particles, and the reliability of bus operation is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a GIL linear unit structure of an embodiment of a gas insulated bus of the utility model;

FIG. 2 is a schematic cross-sectional view of a gas-insulated bus bar of the present utility model, as shown in FIG. 1, with respect to B-B;

FIG. 3 is a schematic view of a partial GIL straight line cell structure of a further embodiment of a gas insulated bus of the utility model;

FIG. 4 is a schematic view showing an assembly structure of an insulator and an insert according to still another embodiment of the gas-insulated bus of the present utility model;

FIG. 5 is a schematic cross-sectional view of a bus bar of the piping of the present utility model, as shown in FIG. 4, with respect to D-D;

FIG. 6 is an enlarged view of a portion of the embodiment of FIG. 5 at Q;

Fig. 7 is a schematic structural view of an insulating member of another embodiment of a gas-insulated bus of the present utility model.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name	Reference numerals	Name of the name
						10	Bus barrel	30	Electric conductor	70	Insert piece
10A	Threading channel	31	Bus conductor	71	Embedded cylinder
						11	Barrel body	32	Connecting part	71A	Limiting groove
111	Mounting part	50	Insulating member	72	Anti-skid structure
						12	Flange ring	51	Insulation body	721	Ball bearing
80	Dismounting piece	52	Support column	722	Limiting piece
						100	Gas insulated bus

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The gas-insulated rigid transmission line has become an optimal solution for replacing overhead lines and cables under special conditions because of the advantages of small occupied area, large transmission capacity, low loss, long life cycle, lower Life Cycle Cost (LCC) than cables and the like. Especially has unique product advantages in the fields of nuclear power stations, hydropower stations and pumped storage.

At present, a pillar insulator is added between an aluminum alloy shell and an aluminum conductor in a gas insulated rigid transmission line (GIL) straight line unit to compensate the problem of distortion of an electric field in the GIL caused by falling of the conductor due to self gravity, so that the function of supporting the conductor to ensure the roundness of the shell/conductor in the GIL is achieved.

In the related art, the conductor is fixed by welding/crimping/bolt fastening and other methods with the supporting insulator, and the inside of the supporting insulator is contacted with the conductor in the form of an electrode/pulley. In the running process, because the expansion and contraction of the aluminum conductor can cause sliding friction between the post insulator electrode/pulley and the conductor, aluminum scraps or electrode metal particles are generated to seriously and seriously influence the stable running of the GIL post insulator. Such as insulation failure due to flashover breakdown caused by changes in environmental and electrical loading conditions, can compromise the service and operational life of the entire line.

The present utility model proposes a gas insulated bus 100.

Referring to fig. 1 to 7, fig. 1 is a schematic view showing a GIL straight line unit structure of an embodiment of a gas insulated bus bar 100 according to the present utility model; FIG. 2 is a schematic cross-sectional view of a gas-insulated bus 100 of the present utility model, as shown in FIG. 1, with respect to B-B; FIG. 3 is a schematic view of a partial GIL straight line cell structure of a gas insulated bus 100 according to another embodiment of the utility model; fig. 4 is a schematic diagram illustrating an assembly structure of an insulator 50 and an insert 70 of another embodiment of a gas-insulated bus 100 according to the present utility model; FIG. 5 is a schematic cross-sectional view of a bus bar of the piping of the present utility model, as shown in FIG. 4, with respect to D-D; FIG. 6 is an enlarged view of a portion of the embodiment of FIG. 5 at Q; fig. 7 is a schematic structural view of an insulator 50 according to still another embodiment of the gas-insulated bus 100 of the present utility model.

In the embodiment of the present utility model, the gas-insulated bus 100 includes a bus bar cylinder 10, an electrical conductor 30, an insulator 50, and an insert 70, and as shown in fig. 1 and 2, the bus bar cylinder 10 is provided with a threading passage 10A. The conductor 30 is inserted into the threading channel 10A, and the insulator 50 is sleeved on the conductor 30 and connected with the bus bar cylinder 10. The insert 70 is sandwiched between the conductor 30 and the insulator 50, and the insert 70 is provided with an anti-slip structure 72 to fasten the insulator 50 and the conductor 30.

The gas-insulated bus 100 according to the present utility model includes a bus bar body 10, an electrical conductor 30, an insulator 50, and an insert 70 between the insulator 50 and the electrical conductor 30. The insulator 70 is sleeved on the conductor 30, the insulator 50 is sleeved on the insulator 70, the bus barrel 10 is provided with a threading channel 10A, the conductor 30, the insulator 70 and the insulator 50 are all arranged in the threading channel 10A, the insulator 50 is supported between the conductor 30 and the bus barrel 10, the insulator 50 and the conductor 30 are fastened by arranging the insulator 70 between the insulator 50 and the conductor 30, the anti-slip structure 72 is arranged on the insulator 70 to increase the fastening force between the insulator 50 and the conductor 30, the relative fastening force between the insulator 50 and the conductor 30 can be regulated through the anti-slip structure 72 even when the insulator expands and contracts, sliding friction between the insulator 50 and the conductor 30 is avoided, stable operation of the insulator 50 is prevented from being influenced by generated aluminum scraps or electrode metal particles, and the reliability of bus operation is improved.

Referring to fig. 3, 4 and 7 in combination, in one embodiment of the present utility model, the insulator 50 is a single post insulator; alternatively, the insulator 50 is a two-post insulator; alternatively, the insulator 50 is a three-post insulator.

In this embodiment, the insulator 50 is a post insulator, which is a special insulation control that can play an important role in overhead transmission lines. Insulation 50 is used in overhead transmission lines to support the bus bar conductors 31 and prevent current flow back to ground. The insulator 50 may be a single post insulator, a two post insulator, or a three post insulator, for example.

Taking a three-post insulator as an example, the three-post insulator comprises an insulating body 51 and three support posts 52, the insulating body 51 is sleeved on the insert 70, the insert 70 is sleeved on the conductor 30, and the three support posts 52 are uniformly and alternately distributed on the radial outer peripheral wall of the insulating body 51. The three support columns 52 are used for supporting the electric conductor 30 in the threading channel 10A, so that the electric conductor 30 and the bus bar barrel 10 are arranged at intervals, and an air flow channel is formed in the threading channel 10A to achieve the purpose of gas insulation.

In an embodiment of the present utility model, the insulating member 50 is detachably connected to the bus bar barrel 10, so that the rejection rate caused by welding is reduced, and the maintenance cost is reduced.

Specifically, the outer periphery of the bus bar barrel 10 is provided with an attachment portion 111; the gas-insulated bus 100 further includes a detachable member 80, the detachable member 80 being provided between the insulating member 50 and the passage wall of the threading passage 10A, the detachable member 80 being provided in correspondence with the mounting portion 111 and being detachably mounted with the mounting portion 111.

Referring to fig. 2 and 3, in the present embodiment, the mounting portion 111 is recessed in the outer peripheral wall of the busbar barrel 10, and a plurality of mounting holes are provided in the mounting portion 111. The dismounting member 80 is a metal insert 70, a fixing hole is formed at the end of the support column 52 on the insulating member 50, which is opposite to the insulating body 51, the dismounting member 80 is clamped in the fixing hole, the edge of the dismounting member 80 forms a flanging, and the flanges are respectively clamped between the end of the support column 52 adjacent to the fixing hole and the mounting part 111. The dismouting piece 80 is equipped with the dismouting hole towards the one end of installation department 111, and installation department 111 adopts external fastener to connect mounting hole and dismouting hole in order to fix support column 52 and generating line sleeve with dismouting piece 80 for insulating part 50 can not take place relative movement relative to generating line sleeve, promotes insulating part 50 and generating line telescopic connection stability, effectively compensates electric conductor 30 because self gravity whereabouts leads to the problem of the inside electric field distortion of GIL.

In an embodiment of the present utility model, the insert 70 includes an insert cylinder 71 and an anti-slip structure 72, wherein the insert cylinder 71 is sleeved on the outer peripheral wall of the electric conductor 30; the anti-slip structure 72 is disposed on a side of the insert 71 facing the conductor 30, and the anti-slip structure 72 is limited between the insert 71 and the conductor 30.

In this embodiment, the conductor 30 is a metal member, and the conductor 30 is an aluminum conductor, for example. The insulating member 50 is made of a non-metallic and uncharged material, and the insulating member 50 is made of a high polymer material, or silica gel, or ceramic, for example. The insert 70 includes an insert 71 and an anti-slip structure 72, the anti-slip structure 72 is disposed on one side of the insert 71 facing the conductor 30, the anti-slip structure 72 has elasticity, and can be elastically limited between the insert 71 and the conductor 30, so as to relatively deform the conductor 30 or the insulator 50 during expansion and contraction, avoid the relative sliding between the insulator 50 and the conductor 30, and improve the supporting reliability of the insulator 50.

It can be appreciated that the arrangement of the insert 70 not only can promote the fastening force between the insulating body 51 and the conductor 30, but also can balance the supporting pressure of the three supporting columns 52 on the conductor 30, so that the outer peripheral wall of the conductor 30 is uniformly stressed when being supported, and the stress balance of the conductor 30 is improved.

The elastic anti-slip structure 72 is clamped between the insulating member 50 and the conductive body 30, so that the connection fastening reliability of the insulating member 50 and the conductive body 30 is promoted, the anti-slip structure 72 cannot relatively move relative to the insulating member 50 or the conductive body 30, the assembly stability of the insulating member 50, the conductive body 30 and the anti-slip structure 72 can be improved while the stress balance of the conductive body 30 is improved, aluminum scraps or electrode metal particles generated by sliding friction are avoided, the insulation reliability of the insulator is improved, and the structural stability, the service life and the service life of the gas-insulated bus 100 are relatively improved.

Referring to fig. 2 and 3 in combination, in an embodiment of the present utility model, the insert 71 is located at a middle of the conductive body 30 in an axial direction thereof; and/or, along the axial direction of the electrical conductor 30, the length of the insert 71 is greater than or equal to the length of the insulator 50; and/or, along the axial direction of the electric conductor 30, the length of the insert 71 is smaller than the length of the electric conductor 30.

In this embodiment, the insert 71, the insulator 50, the conductor 30 and the bus bar cylinder 10 are coaxially disposed, and the axial directions of the four are the length directions. In a GIL straight line unit, at least one insert 70 may be correspondingly disposed according to the length of the straight line unit, when one insert 70 is disposed, the insert 70 is located at the middle of the bus bar cylinder 10 along the axial direction thereof, that is, the insert 71 is located at the middle of the conductor 30 along the axial direction thereof, so as to support and limit the position of the conductor 30 located at the middle of the bus bar cylinder 10, thereby improving the reliability of gas insulation.

In another embodiment, the length directions of the embedded cylinder 71, the insulating member 50, the conductor 30 and the bus bar barrel 10 are overlapped, the length of the embedded cylinder 71 is greater than or equal to the length of the insulating member 50, so that the length direction of the embedded cylinder 71 covers the radial section of the insulating body 51 of the insulating member 50 at any position along the length direction, the supporting forces applied to the insulating body 51 by the three supporting columns 52 in the radial direction can be all applied to the embedded cylinder 71, and when the embedded cylinder 71 is transferred to the conductor 30, the supporting pressure is uniformly distributed through the embedded cylinder 71, and only the bearing balance of the contact surface of the conductor 30 and the embedded cylinder 71 is improved.

In yet another embodiment, the length directions of the insulator 50, the conductor 30 and the bus bar barrel 10 of the embedded cylinder 71 are overlapped, and the length of the embedded cylinder 71 is smaller than the length of the conductor 30, so that the embedded cylinder 71 is only provided with a uniform force area at the supporting position of the insulator 50, and other positions of the conductor 30 are not covered, thereby not only reducing the influence of the embedded cylinder 71 on the conductive performance of the conductor 30, but also controlling the overall weight of the GIL straight line unit.

In one embodiment of the present utility model, the insert 71 is a metal piece; and/or, the anti-slip structure 72 is detachably connected with the embedded cylinder 71; or, the anti-slip structure 72 and the embedded cylinder 71 are integrated into one piece.

In this embodiment, the insert 71 is a metal member, and the anti-slip structure 72 may be a conductor or a semiconductor. The anti-slip structure 72 is illustratively a metallic conductor. When the insert 71 is a metal piece, the anti-slip structure 72 may be integrally welded with the insert 71, and the anti-slip structure 72 may be detachably assembled with the insert 71. The anti-slip structure 72 has elasticity and is clamped between the embedded cylinder 71 and the conductor 30, so that the embedded cylinder 71 and the conductor 30 are detachably assembled and fixed, the embedded cylinder 71 and the conductor 30 are elastically abutted and limited, the radial opposite deformation caused by expansion caused by heat and contraction caused by cold is elastically realized, and the connection stability of the embedded cylinder 71 and the conductor 30 is improved.

It will be appreciated that the removable connection of the anti-slip structure 72 to the insert 71 may be a bolt, screw fitting or resilient snap fitting.

In one embodiment of the utility model, the anti-slip structure 72 is provided as a watchband contact finger; or, the anti-slip structure 72 is a spring contact finger, and the watchband contact finger or the spring contact finger has elasticity, and can be detachably connected or integrally welded and assembled with the embedded cylinder 71, so that the embedded cylinder 71 and the electric conductor 30 are elastically connected relatively.

Or will be shown with reference to fig. 4 to 6, in another embodiment of the present utility model, a plurality of limiting grooves 71A are provided on a side of the embedded cylinder 71 facing the electric conductor 30; the anti-slip structure 72 includes a plurality of balls 721, wherein a ball 721 is located in a limiting groove 71A, and a side of the ball 721 opposite to the bottom of the limiting groove 71A abuts against the conductive body 30.

In this embodiment, the embedded cylinder 71 is provided with a through hole along the axial middle portion thereof, the inner wall of the through hole is concavely provided with a limit groove 71A, the anti-slip structure 72 includes a limit member 722 and a plurality of balls 721, as shown in the enlarged view of fig. 6, the limit member 722 is disposed on the inner wall of the through hole, the limit member 722 is provided with a limit hole corresponding to a limit groove 71A, the limit hole penetrates the limit member 722 along the radial direction of the embedded cylinder 71, and the aperture of the limit hole is smaller than the diameter of the balls 721, so that a hemispherical limit space with an opening is formed between a limit hole on the limit member 722 and a limit groove 71A on the embedded cylinder 71, the balls 721 are limited in the limit space, and one side of the balls 721 facing away from the groove bottom of the limit groove 71A elastically abuts against the conductive body 30 to elastically resist or cancel the relative deformation amount generated by the conductive body 30 or the insulating member 50 under the condition of thermal expansion and contraction, thereby improving the use reliability of the insulating member 50 and improving the running stability of the gas insulated bus 100.

It is understood that the limiting member 722 may be provided as an annular cylinder or as a plurality of annular strips. The inner wall of the through hole of the embedded cylinder 71 is provided with a plurality of limit grooves 71A in an array manner, one annular strip is arranged corresponding to one circle of limit grooves 71A in the radial direction of the inner wall of the through hole, and the annular strip is provided with a plurality of limit holes corresponding to the limit grooves 71A along the annular periphery of the annular strip so as to form a limit space in a matching manner.

The connection between the limiting member 722 and the embedded cylinder 71 may be welding, or may be a detachable assembly manner such as a screw, a bolt or a buckle, so that a plurality of limiting spaces are formed by matching the two to limit a plurality of balls 721.

In an embodiment of the present utility model, the gas-insulated bus 100 further includes a monitoring member, wherein the monitoring member is disposed in the threading channel 10A, and the monitoring member is detachably connected to the bus cylinder 10.

In this embodiment, the monitoring member may be installed in the threading channel 10A, and the monitoring member may be detachably connected to the bus bar barrel 10 or may be detachably connected to the insulating member 50. The monitoring member may be a sensor, and the monitoring member outputs data by wireless transmission signals to monitor various required parameters in the threading channel 10A in real time.

In an embodiment of the utility model, the monitoring element is a temperature sensor; and/or the monitoring piece is a humidity sensor; and/or the monitoring piece is an air pressure sensor; and/or the monitoring piece is a current sensor or a voltage sensor.

In this embodiment, the monitoring element may be configured as one of a temperature sensor, a humidity sensor, a gas pressure sensor, a current sensor, or a voltage sensor. The monitoring piece can be provided with one or a plurality of sensors, namely a plurality of different types of sensors can be arranged in the gas-insulated bus 100, so as to monitor different parameter data in real time to judge the operation condition of the gas-insulated bus 100.

The utility model also provides a pipeline bus, which comprises a plurality of gas-insulated buses 100, and the specific structure of the gas-insulated buses 100 refers to the above embodiment, and because the pipeline bus adopts all the technical schemes of all the embodiments, at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted. Wherein a plurality of gas insulated bus bar 100 units are connected in sequence.

In this embodiment, the bus bar cylinder 10 of each gas-insulated bus bar 100 includes a cylinder body 11 and flange rings 12, and the two flange rings 12 are respectively disposed at two ends of the cylinder body 11 along the length direction thereof, so as to respectively connect the bus bar cylinders 10 of the adjacent other gas-insulated bus bars 100.

The conductors 30 include bus conductors 31 and connection portions 32 at both ends of the guide, and the connection portion 32 of one conductor 30 is used to connect the connection portion 32 of the adjacent other bus conductor 31 to achieve connection of the bus conductors 30 of the adjacent two gas-insulated buses 100.

In a specific assembly, two adjacent conductors 30 may be connected first, followed by two adjacent bus bars cylinders 10 to connect at least two adjacent gas insulated bus bars 100 in sequence. A plurality of gas insulated bus 100 units are connected in sequence to form a conduit bus.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A gas insulated bus bar, comprising:

The bus cylinder is provided with a threading channel;

the conductor is arranged in the threading channel in a penetrating way;

the insulating piece is sleeved on the conductor and connected with the bus barrel; and

The insert is clamped between the conductor and the insulator and is provided with an anti-slip structure for fastening the insulator and the conductor.

2. The gas-insulated busbar of claim 1, wherein the insert comprises an insert cylinder and the anti-slip structure, the insert cylinder being sleeved on the outer peripheral wall of the electrical conductor;

The anti-slip structure is arranged on one side of the embedded cylinder facing the electric conductor, and the anti-slip structure is limited between the embedded cylinder and the electric conductor.

3. The gas insulated busbar of claim 2, wherein the insert is a metal piece;

And/or, the anti-slip structure is detachably connected with the embedded cylinder;

Or, the anti-slip structure and the embedded cylinder are integrated into a whole.

4. The gas insulated busbar of claim 2, wherein the anti-slip structure is provided as a watchband contact finger;

or, the anti-skid structure is arranged as a spring contact finger;

Or, a plurality of limit grooves are formed in one side of the embedded cylinder facing the electric conductor;

The anti-slip structure comprises a plurality of balls, one ball is limited in the limiting groove, and one side, opposite to the bottom of the limiting groove, of the ball abuts against the conductor.

5. The gas-insulated bus of claim 2, wherein the insert is located at a middle portion of the electrical conductor in an axial direction thereof;

And/or, along the axial direction of the conductor, the length of the embedded cylinder is greater than or equal to the length of the insulating piece;

and/or, along the axial direction of the conductor, the length of the embedded cylinder is smaller than the length of the conductor.

6. The gas insulated bus of any one of claims 1 to 5, further comprising a monitor disposed within the threading channel, the monitor being removably coupled to the bus barrel.

7. The gas insulated busbar of claim 6, wherein the monitoring element is a temperature sensor;

And/or, the monitoring piece is a humidity sensor;

and/or, the monitoring piece is a barometric sensor;

and/or the monitoring piece is a current sensor or a voltage sensor.

8. The gas-insulated bus bar according to any one of claims 1 to 5, wherein an outer periphery of the bus bar cylinder is provided with a mounting portion;

The gas-insulated bus further comprises a dismounting part, wherein the dismounting part is arranged between the insulating part and the channel wall of the threading channel, and the dismounting part is arranged corresponding to the mounting part and detachably mounted with the mounting part.

9. The gas insulated busbar of any one of claims 1 to 5, wherein the insulator is detachably connected to the busbar barrel;

And/or the insulator is a single-post insulator; or, the insulator is a two-pillar insulator; or, the insulator is a three-post insulator.

10. The pipeline bus is characterized by comprising a plurality of gas-insulated bus units, and the plurality of gas-insulated bus units are sequentially connected.