CN217934786U - Gas insulated bus segmentation cabinet - Google Patents

Abstract

The utility model relates to a distribution network switchgear, concretely relates to gas insulated bus segmentation cabinet. The gas insulated bus sectional cabinet comprises a cabinet body, a partition plate divides the interior of the cabinet body into a common box chamber positioned at the front part and a gas box chamber positioned at the rear part, the upper part of the common box chamber is a mechanism installation area, the lower part of the common box chamber is a bus installation area, the gas box chamber comprises a switch installation area and a bus lifting area which are distributed left and right, and a circuit breaker and an isolating switch which are distributed up and down are installed on the partition plate of the switch installation area; two groups of inlet wire insulators are arranged on a partition plate of a bus installation area in a penetrating mode, two ends of a flexible bus are connected into an air box chamber through the inlet wire insulators, the end portion, located below a breaker and close to one group of inlet wire insulators of the breaker, of the flexible bus is sequentially connected with an isolating switch and the breaker through an outlet wire bus, and the end portion of the other group of inlet wire insulators is lifted upwards to be connected with an inlet wire seat through the inlet wire bus. Can reduce the ascending width in the gas insulated bus segmentation cabinet left and right sides, reduce occupation space, reduce cost.

Description

Gas insulated bus segmentation cabinet

Technical Field

The utility model relates to a distribution network switchgear, concretely relates to gas insulated bus segmentation cabinet.

Background

The next-stage equipment switching station of the transformer substation is generally provided with two incoming lines, two sections of buses and a plurality of feeders, a bus subsection cabinet is arranged between the two sections of buses, and the bus subsection cabinet is used for connecting and disconnecting the two sections of buses. Under the normal condition, the two buses are not communicated, when one bus is in power failure, the bus segmentation cabinet is put into use, the normal power supply of the power failure bus is ensured, and the power supply reliability is greatly improved.

The gas insulated bus sectional cabinet is a common bus sectional cabinet, and the structure of the gas insulated bus sectional cabinet is as disclosed in Chinese patent document with application publication number CN108736369A, the gas insulated bus sectional cabinet comprises an instrument room (i.e. a secondary element room in the patent document), a mechanism room, a bus room and a gas box room, the mechanism room and the bus room are arranged in the left and right directions, the gas box room is positioned at the rear sides of the mechanism room and the bus room, the left side and the right side of the gas box room are respectively provided with a wire inlet seat and a wire outlet seat, the wire inlet seat is used for connecting a bus, the wire outlet seat is used for connecting a bus, and the instrument room is positioned at the lower parts of the mechanism room and the bus room. The gas tank room includes switch room and generating line promotion room, and both are the case structure altogether for the integration, are equipped with the baffle in the gas tank room for switch room and generating line promote the room and control the distribution, simultaneously because the width is great about the segmentation cabinet, set up the bearing strength that the baffle can increase the segmentation cabinet. The wall between the bus chamber and the gas box chamber is provided with a first incoming line insulator and a second incoming line insulator which are distributed up and down and extend back and forth, the first incoming line insulator and the second incoming line insulator are used for accommodating a flexible bus in the bus chamber, and the first incoming line insulator and the second incoming line insulator are electrically connected through the flexible bus. The first inlet wire insulator is used for leading the circuit to the bus chamber from the bus chamber, and the second inlet wire insulator is used for leading the circuit back to the bus chamber from the bus chamber so as to realize the conduction between the inlet bus and the outlet bus.

In the prior art, the mechanism chamber and the bus chamber in the bus-bar sectional cabinet in the above documents are distributed left and right and are located in two independent cabinet bodies, so that the width of the bus-bar sectional cabinet in the left and right directions is large, moreover, the connection of the left and right sides of the air box chamber with the wire inlet and outlet seats and the wire inlet and outlet buses also occupy a part of space outside the cabinet body, and the width of the bus-bar sectional cabinet in the left and right directions is further increased, so that the bus-bar sectional cabinet occupies a large space, and the difficulty of site installation and construction is easily increased; meanwhile, the span of the bus-bar sectional cabinet in the left and right directions is large, so that the bearing strength is met, a partition plate is required to be additionally arranged to increase the strength, and the overall cost is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas insulated bus segmentation cabinet to solve among the prior art the width size of generating line segmentation cabinet great and lead to the great technical problem of occupation space of generating line segmentation cabinet.

In order to achieve the above object, the utility model discloses gas insulated bus segmentation cabinet's technical scheme is:

the gas insulated bus sectional cabinet comprises a cabinet body, wherein a vertical partition plate is arranged in the cabinet body, the partition plate divides the interior of the cabinet body into a common box chamber positioned at the front part and a gas box chamber positioned at the rear part, the upper part of the common box chamber is a mechanism mounting area, the lower part of the common box chamber is a bus mounting area, a multiphase bus structure is mounted in the bus mounting area, the bus structure comprises a flexible bus, and an operating mechanism is arranged on one of the left side and the right side of the partition plate of the mechanism mounting area; the left side and the right side of the air box chamber are respectively provided with a wire inlet seat and a wire outlet seat, the air box chamber comprises a switch installation area and a bus lifting area which are distributed left and right, a partition plate of the switch installation area is provided with a circuit breaker and a disconnecting switch which are distributed up and down, and an operating mechanism is in operation connection with the disconnecting switch and the circuit breaker; two sets of inlet wire insulators are arranged on a partition plate of a bus installation area in a penetrating mode, two ends of a flexible bus are connected into an air box chamber through the inlet wire insulators, the end portion, located below a circuit breaker and close to a set of inlet wire insulators of the circuit breaker, of the flexible bus is sequentially connected with an isolating switch and the circuit breaker through an outlet wire bus, and the end portion of another set of inlet wire insulators is lifted upwards to be connected with an inlet wire base through the inlet wire bus.

The beneficial effects are that: the utility model discloses an among the gas insulated bus segmentation cabinet, it belongs to same cabinet body to be total to case room and gas tank room, it distributes from top to bottom to be total to the indoor mechanism installation region of case and generating line installation region, the gas tank room is located the rear side of total case room, the switch installation region and the generating line of gas tank room promote regional distribution about, isolator and circuit breaker in the switch installation region, operating device in the mechanism installation region all installs on the baffle, compare in the prior art mechanism installation region and generating line installation region about distribute and use the generating line segmentation cabinet of two cabinet bodies, so design, can reduce the ascending width of gas insulated bus segmentation cabinet left and right sides, reduce occupation space, and the cost is reduced.

The improvement is further realized, each phase of flexible bus is transversely arranged, each phase of incoming line insulator in each group of incoming line insulators is vertically distributed, and the two groups of incoming line insulators are arranged at intervals along the left and right directions and are electrically connected through the corresponding phase of flexible bus.

The beneficial effects are that: by the design, the two groups of inlet wire insulators are electrically connected through the transversely arranged flexible bus, so that the height of a bus installation area is reduced, and the height and the volume of the gas insulated bus sectional cabinet are further reduced.

The improved structure is characterized in that the partition plate is of a step structure which is convex upwards and concave downwards, the upper portion of the partition plate is arranged in front of the lower portion of the partition plate, the operating mechanism is installed on the convex portion of the partition plate, and the incoming line insulator penetrates through the concave portion of the partition plate.

The beneficial effects are that: design like this for the space in bus installation area is bigger, is favorable to the installation of inlet wire insulator, in order to reduce the size of the fore-and-aft direction of gas insulated bus segmentation cabinet, reduces the occupation space of gas insulated bus segmentation cabinet, reduce cost.

The improved structure is characterized in that the isolating switch and the circuit breaker are located on the left side of the switch installation area, the isolating switch is located below the circuit breaker, an operating mechanism in the mechanism installation area corresponds to the circuit breaker and the isolating switch in the front and back direction, and a blank area corresponding to the bus lifting area in the front and back direction is reserved on the other side of the mechanism installation area on the partition board.

The beneficial effects are that: due to the design, the distance between the operating mechanism and the breaker and the distance between the operating mechanism and the isolating switch are short, lead wires are reduced, and the route is simplified; the blank area on the baffle vacates installation space for the bus promotes the region, avoids interfering with the part in the bus promotes the region.

Further improved, the outgoing bus and the incoming bus are both vertically arranged along the vertical direction.

The beneficial effects are that: by the design, the occupied space of the outgoing bus and the incoming bus in the left and right directions is reduced, the distance between the outgoing bus and the incoming bus in the left and right directions is increased, and the leakage distance between the outgoing bus and the incoming bus is convenient to guarantee.

Further improved, any two adjacent phase of the incoming line insulators in each group of the incoming line insulators are staggered and arranged at set distances which are equal in the vertical direction and the horizontal direction.

The beneficial effects are that: by the design, the two groups of inlet wire insulators are arranged in a staggered mode, so that the leakage distance between any two adjacent inlet wire insulators is convenient to guarantee, and the installation space of the inlet wire insulators in the vertical and horizontal directions is reduced.

Further improved, the operating mechanism, the bus structure and the partition plate are integrally installed.

The beneficial effects are that: by the design, the operating mechanism, the bus structure and the partition plate are the same module, synchronous assembly can be realized, debugging and installation times are reduced, and installation efficiency is improved.

Further, the gas insulated bus sectional cabinet further comprises an instrument room, and the instrument room is located at the top of the gas insulated bus sectional cabinet.

The beneficial effects are that: the design is convenient for observing and monitoring the instrument room.

Further improve, the cabinet body includes mechanism panel, bus panel, left side board and right side board, and left side board and right side board have to turn up to follow, and mechanism panel and bus panel are embedded in the cabinet internally.

The beneficial effects are that: by the design, the distance between the left side plate and the right side plate and between the mechanism panel and the bus panel is increased, and the leakage distance of the gas insulated bus sectional cabinet is convenient to guarantee.

The improved bus structure comprises a straight-through current transformer and a bus connector, wherein the bus connector is fixed at the end of the incoming insulator, two ends of the flexible bus are fixed on the bus connector, and the straight-through current transformer is arranged on the bus in a penetrating mode.

The beneficial effects are that: by the design, additional fixing parts are reduced, and the installation is convenient.

Drawings

Fig. 1 is a schematic structural view of the gas insulated bus sectional cabinet of the present invention;

FIG. 2 is a right side view of FIG. 1;

FIG. 3 is a side view of FIG. 1 (hiding the front and rear sides of the case);

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a right side view of FIG. 3;

FIG. 6 is a schematic structural view of the common chamber;

fig. 7 is a front view of fig. 6.

In the figure: 11. a gas tank chamber; 12. an instrument room; 13. a mechanism mounting area; 14. a bus bar mounting area; 15. a bus connector; 16. a second incoming insulator; 17. a feedthrough current transformer; 18. an operating mechanism; 19. a wire inlet seat; 20. a wire outlet seat; 21. a bus bar lifting area; 22. a switch mounting area; 23. an incoming line bus; 24. an outgoing line bus; 25. a mechanism panel; 26. a bus bar panel; 27. a first incoming insulator; 28. a cabinet body; 29. a common box chamber; 30. a flexible bus bar; 31. a separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements recited by the phrases "comprising a," 8230, "" etc. are not intended to exclude processes, methods, and the like, in which such elements are included.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses an embodiment 1 of gas insulated bus segmentation cabinet:

the utility model discloses a gas insulated bus segmentation cabinet is used for contact and two sections generating lines of breaking, and two sections generating lines are respectively for advancing the generating line and going out the generating line, and two sections generating lines are not communicated under the normal condition, and the generating line segmentation cabinet just comes into operation when one section generating line has a power failure, guarantees the normal power supply of the generating line that has a power failure.

As shown in fig. 1 to 5, the gas insulated bus-bar section cabinet includes a cabinet body 28 and an instrument room 12, and the instrument room 12 is located at the front side of the top of the gas insulated section cabinet to facilitate recording and maintenance of the instrument room 12. The cabinet 28 is internally provided with a vertical partition plate 31, the partition plate 31 divides the interior of the cabinet 28 into a common box chamber 29 and a common box chamber 11, the common box chamber 11 is located at the rear side of the common box chamber 29, the common box chamber 29 comprises a mechanism mounting area 13 and a bus mounting area 14, and the mechanism mounting area 13 is located at the upper part of the bus mounting area 14, so that the width of the gas insulated bus sectional cabinet in the left-right direction is reduced, and the occupied space is reduced.

As shown in fig. 2 to 5, the air box chamber 11 includes a bus bar lifting area 21 and a switch installation area 22 distributed left and right, and the bus bar lifting area 21 is located on the right side of the switch installation area 22. Because the span of the left and right directions of the gas insulated bus sectional cabinet is small, a partition plate is not required to be arranged in the gas tank chamber 11 to ensure the integral strength. The circuit breaker and the disconnecting switch which are distributed up and down are installed on the partition plate 31 in the switch installation area 22, the circuit breaker is located above the disconnecting switch, the operating mechanism 18 is installed on the partition plate 31 in the mechanism installation area 13, the circuit breaker and the disconnecting switch correspond to the operating mechanism 18 in the front and back direction and are located on the left side of the partition plate 31, and therefore the operating mechanism 18 is in operation connection with the circuit breaker and the disconnecting switch. A blank area is left on the partition plate 31 on the right side of the mechanism mounting area 13, and the blank area corresponds to the bus bar lifting area 21 front and back to avoid interference with parts in the bus bar lifting area 21.

Be equipped with the bus structure in bus installation region 14, the bus structure includes three-phase transverse arrangement's flexible bus 30, wears to be equipped with two sets of inlet wire insulators on the baffle 31, and two sets of inlet wire insulators are first inlet wire insulator 27 and second inlet wire insulator 16 respectively, and bus connector 15 is all installed to the tip of first inlet wire insulator 27 and second inlet wire insulator 16, and in this embodiment, bus connector 15 is bar copper type bus connector. Both ends of the flexible bus 30 are fixed on the bus connector 15, and the flexible bus 30 is provided with a through current transformer 17 in a penetrating manner, so as to realize the electric connection between the first incoming insulator 27 and the second incoming insulator 16, and further introduce the flexible bus 30 into the gas box chamber 11.

First inlet wire insulator 27 and second inlet wire insulator 16 are along controlling the direction interval arrangement, and every group all includes the three-phase inlet wire insulator, and arbitrary adjacent double-phase inlet wire insulator in every group inlet wire insulator all with upper and lower equidistance, control equidistant settlement distance dislocation arrange to increase the distance between the adjacent inlet wire insulator, be convenient for guarantee the creepage distance between the arbitrary adjacent inlet wire insulator.

As shown in fig. 3, the partition plate 31 is of a stepped structure protruding upwards and recessed downwards, and the upper part of the partition plate 31 is arranged more forwards than the lower part of the partition plate 31, so that the space of the bus installation area 14 is larger, more installation space is provided for the bus structure and the two groups of incoming line insulators, the size of the gas insulated bus sectional cabinet in the front-back direction is reduced, the occupied space of the gas insulated bus sectional cabinet is reduced, and the manufacturing cost is reduced.

As shown in fig. 4, the right upper portion of the air box chamber 11 is provided with a wire inlet seat 19, the left upper portion is provided with a wire outlet seat 20, the wire inlet seat 19 is used for connecting a bus inlet, and the wire outlet seat 20 is used for connecting a bus outlet.

As shown in fig. 4, a three-phase incoming line bus 23 and a three-phase outgoing line bus 24 vertically extending from top to bottom are arranged in the gas box chamber 11, the end of the first incoming line insulator 27 is connected with the incoming bus seat through the incoming line bus 23 to lead out the line from the gas box chamber 11 to the bus installation area 14, the second incoming line insulator 16 is located below the circuit breaker and is arranged close to the circuit breaker, the end of the second incoming line insulator 16 is sequentially connected with the disconnecting switch and the circuit breaker through the outgoing line bus 24, the circuit breaker is connected with the outgoing line seat to lead the line from the bus installation area 14 back to the gas box chamber 11, and the first incoming line insulator 27 and the second incoming line insulator 16 are electrically connected through a flexible bus 30 to realize the conduction of the line in the gas insulated bus segment cabinet.

As shown in fig. 6 and 7, the operating mechanism 18, the bus bar structure, and the partition plate 31 are integrally installed to ensure the synchronous assembly of the operating mechanism 18, the bus bar structure, and the partition plate 31 and to improve the working efficiency. And the mounting holes on the cabinet body 28 for connecting with the operating mechanism 18 and the bus structure are long round holes, so that the mounting difficulty is reduced, and the working efficiency is improved. The cabinet body 28 is provided with a left side plate, a right side plate, a mechanism panel 25 and a bus panel 26, wherein the left side plate and the right side plate are provided with outward turning edges, so that the mechanism panel 25 and the bus panel 26 are embedded in the cabinet body 28 to ensure the protection level of the cabinet body 28 and the protection level between the cabinets.

When the bus-in device is used, the bus-in is connected into the gas box chamber 11 through the wire-in seat 19 on the right side of the gas box chamber 11, is led out from the gas box chamber 11 to the bus-mounting region 14 on the front side through the wire-in bus 23 and the first wire-in insulator 27, is conducted through the flexible bus 30, is led back into the gas box chamber 11 through the second wire-in insulator 16, and is finally connected into the isolating switch and the breaker in series through the wire-out bus 24, and is connected into the bus-out from the wire-out seat 20 on the left side of the gas box chamber 11.

The utility model discloses an among the gas insulated bus segmentation cabinet, case room 29 and gas tank room 11 belong to same cabinet body 28 altogether, mechanism installation region 13 and generating line installation region 14 in the case room 29 arrange along upper and lower direction altogether, gas tank room 11 is located the rear side of case room 29 altogether, the switch installation region 22 and the generating line of gas tank room 11 promote regional 21 left and right sides and distribute, isolator and circuit breaker in the switch installation region 22, operating device 18 in the mechanism installation region 13 all installs on baffle 31, compare in prior art mechanism installation region 13 and generating line installation region 14 left and right sides distribution and use the generating line segmentation cabinet of two cabinet bodies, so design, can reduce the ascending width in the gas insulated bus segmentation cabinet left and right sides, reduce occupation space, and the cost is reduced.

The utility model discloses an embodiment 2 of gas insulated bus segmentation cabinet:

this example differs from example 1 in that: in embodiment 1, the flexible bus bars 30 of each phase are arranged transversely, and the two groups of incoming line insulators are arranged at intervals in the left-right direction and are electrically connected through the flexible bus bars 30 of the corresponding phase. In this embodiment, the flexible bus 30 is vertically arranged, and the two groups of incoming line insulators are arranged at intervals in the vertical direction and are electrically connected through the corresponding flexible bus 30.

The utility model discloses an embodiment 3 of gas insulated bus segmentation cabinet:

this example differs from example 1 in that: in embodiment 1, the partition plate 31 has a stepped structure which is convex and concave. In this embodiment, the partition 31 is a vertical flat plate.

The utility model discloses an embodiment 4 of gas insulated bus segmentation cabinet:

this example differs from example 1 in that: in embodiment 1, the outgoing line busbar 24 and the incoming line busbar 23 both extend vertically. In this embodiment, the outgoing bus 24 and the incoming bus 23 extend upward in a bent shape.

The utility model discloses an embodiment 5 of gas insulated bus segmentation cabinet:

this example differs from example 1 in that: in embodiment 1, any two adjacent phase of incoming line insulators in each group of incoming line insulators are arranged in a staggered manner at a set distance which is equal in the vertical and horizontal directions. In this embodiment, all the incoming line insulators in each group of incoming line insulators are vertically arranged along the up-down direction, and the leakage distance between adjacent incoming line insulators needs to be ensured.

The utility model discloses an embodiment 6 of gas insulated bus segmentation cabinet:

the present example differs from example 1 in that: in example 1, the instrument room 12 is located on the top of the gas insulated bus-bar section cabinet. In this embodiment, the instrument room 12 is located at the bottom of the gas insulated bus sectional cabinet.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made in the technical solutions described in the foregoing embodiments without inventive effort, or some technical features may be substituted in the equivalent. 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 (10)

1. The gas insulated bus sectional cabinet is characterized by comprising a cabinet body (28), wherein a vertical partition plate (31) is arranged in the cabinet body (28), the partition plate (31) divides the interior of the cabinet body (28) into a common cabinet chamber (29) positioned at the front part and a gas cabinet chamber (11) positioned at the rear part, the upper part of the common cabinet chamber (29) is a mechanism mounting area (13), the lower part of the common cabinet chamber (29) is a bus mounting area (14), a bus structure is mounted in the bus mounting area (14), the bus structure comprises a flexible multi-phase bus (30), and an operating mechanism (18) is arranged on one of the left side and the right side of the partition plate (31) of the mechanism mounting area (13); the left side and the right side of the air box chamber (11) are respectively provided with a wire inlet seat (19) and a wire outlet seat (20), the air box chamber (11) comprises a switch installation area (22) and a bus lifting area (21) which are distributed at the left side and the right side, a partition plate (31) of the switch installation area (22) is provided with a circuit breaker and a disconnecting switch which are distributed up and down, and the operating mechanism (18) is in operation connection with the disconnecting switch and the circuit breaker; two groups of inlet wire insulators are arranged on a partition plate (31) of the bus installation area (14) in a penetrating mode, and two ends of the flexible bus (30) are connected into the gas box chamber (11) through the inlet wire insulators; the end part of one group of the inlet wire insulators, which is positioned below the breaker and close to the breaker, is sequentially connected with the disconnecting switch and the breaker through an outlet bus (24), the breaker is connected with an outlet seat (20), and the end part of the other group of the inlet wire insulators is lifted upwards to be connected with an inlet seat (19) through an inlet bus (23).

2. The gas insulated bus sectional cabinet according to claim 1, wherein the flexible buses (30) of each phase are distributed transversely, the incoming insulators of each phase in each group of incoming insulators are arranged up and down, and the two groups of incoming insulators are arranged at intervals in the left-right direction and are electrically connected through the flexible buses (30) of the corresponding phase.

3. The gas insulated busbar sectionalized cabinet according to claim 1, wherein the partition plate (31) has a stepped structure with a convex part and a concave part, the upper part of the partition plate (31) is arranged in front of the lower part of the partition plate (31), the operating mechanism (18) is arranged on the convex part of the partition plate (31), and the incoming insulator is arranged on the concave part of the partition plate (31) in a penetrating way.

4. A gas insulated bus-bar section cabinet according to claim 1, 2 or 3, characterized in that the disconnector and circuit breaker are located on the left side of the switch installation area (22), the disconnector is located below the circuit breaker, the operating mechanism (18) corresponds to the circuit breaker and disconnector in front and rear, and a blank area corresponding to the bus-bar lifting area (21) in front and rear is left on the other side of the mechanism installation area (13) on the partition (31).

5. Gas insulated busbar staging cabinet according to claim 1 or 2 or 3, characterized in that the outgoing busbar (24) and the incoming busbar (23) both extend vertically in the up-down direction.

6. The gas insulated bus sectional cabinet according to claim 2 or 3, wherein any two adjacent incoming line insulators in each group of incoming line insulators are arranged in a staggered manner at a set distance which is equidistant from top to bottom and from left to right.

7. A gas insulated bus-bar section cabinet according to claim 1, 2 or 3, characterized in that the operating mechanism (18), the bus-bar structure and the partition (31) are mounted integrally.

8. A gas insulated bus-bar section cabinet according to claim 1, 2 or 3, characterized in that the gas insulated bus-bar section cabinet further comprises an instrument room (12), the instrument room (12) being located on top of the gas insulated bus-bar section cabinet.

9. Gas insulated busbar staging cabinet according to claim 1 or 2 or 3, wherein the cabinet body (28) comprises a mechanism panel (25), a busbar panel (26), a left and a right side panel, the left and right side panels having outwardly turned edges, the mechanism panel (25) and the busbar panel (26) being embedded in the cabinet body (28).

10. The gas insulated bus sectional cabinet according to claim 1, 2 or 3, wherein bus connectors (15) are respectively installed at the ends of the two groups of incoming insulators, both ends of the flexible bus (30) are fixed on the bus connectors (15), and a straight-through current transformer (17) is sleeved on the flexible bus (30).

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