CN214674252U

CN214674252U - Arrangement structure above main cable trench of indoor GIS (geographic information System) control cubicle

Info

Publication number: CN214674252U
Application number: CN202022940535.0U
Authority: CN
Inventors: 韩志萍; 李学鹏; 常伟; 郭婵娟
Original assignee: Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Current assignee: Northwest Electric Power Design Institute of China Power Engineering Consulting Group
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-09
Anticipated expiration: 2030-12-10

Abstract

An arrangement structure above a main cable trench of an indoor GIS (geographic information System) control cubicle comprises a supporting beam arranged on the GIS main cable trench, wherein an 800kV GIS control cubicle is arranged above the GIS main cable trench through the supporting beam, the 800kV GIS control cubicle is downwards connected with a main cable in the GIS main cable trench, a GIS cable branch trench is arranged in the direction of the side wall of the GIS main cable trench, and the cable in the GIS cable branch trench is connected with the main cable in the GIS main cable trench from the side direction. Because 800kV GIS converges the big, many just transverse dimension of being qualified for the next round of competitions of scale of cabinet is longer, the utility model discloses a set up 800kV GIS and converge the top of cabinet in GIS leader cable ditch, can reduce the width of GIS room factory building under the convenient prerequisite of cable connection and operation and maintenance not influencing, reduced the building size of GIS room by a wide margin, effectively reduced the investment of whole engineering.

Description

Arrangement structure above main cable trench of indoor GIS (geographic information System) control cubicle

Technical Field

The utility model belongs to super high voltage power transmission and transformation field, concretely relates to indoor GIS converges cable ditch top arrangement structure of accuse cabinet.

Background

With the high-speed development of power grid construction in China, ultrahigh voltage transformer substation engineering is more and more, 800kV GIS equipment constructed in special environment areas is affected by the environment and faults frequently occur, and great threats are caused to the safe operation of the power grid. In order to improve the operation environment of the 800kV GIS, more and more 800kV GIS are arranged indoors, the 800kV GIS arranged indoors not only considers the technical economy of a GIS body, but also needs to consider the reduction of the integral quantity and the comprehensive cost of a GIS room plant, and the engineering investment is saved to the maximum extent.

The conventional outdoor 800kV GIS control cubicle is generally arranged beside a GIS main cable trench and communicated with the main cable trench through a cable branch trench for convenient wiring, operation, maintenance and overhaul. Because the 750kV transformer substation is large in scale, if the 800kV GIS is arranged indoors, the investment of a GIS room building is overlarge relative to the proportion of the whole project, if the 800kV GIS control cubicle arranged indoors is arranged in the same way as outdoors, the control cubicle becomes one of the factors influencing the width of the GIS room plant, the plant width of the GIS room needs to consider the occupation of the control cubicle, and further the mass of the whole building is increased, so that the investment of the whole project is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the indoor problem of occuping GIS room width that arranges of 800kV GIS control cubicle among the above-mentioned prior art, provide an indoor GIS control cubicle owner cable ditch top arrangement structure, reduce GIS room building volume, reduce whole engineering investment.

In order to achieve the above object, the present invention provides the following technical solutions:

an arrangement structure above a main cable trench of an indoor GIS (geographic information System) control cubicle comprises a supporting beam arranged on the GIS main cable trench, wherein an 800kV GIS control cubicle is arranged above the GIS main cable trench through the supporting beam, the 800kV GIS control cubicle is downwards connected with a main cable in the GIS main cable trench, a GIS cable branch trench is arranged in the direction of the side wall of the GIS main cable trench, and the cable in the GIS cable branch trench is connected with the main cable in the GIS main cable trench from the side direction.

Preferably, the supporting beam comprises a supporting side wall arranged on the floor at the bottom of the cable trench and a supporting top plate arranged on the top of the supporting side wall, the supporting side wall is arranged along the trench wall of the GIS main cable trench, and the 800kV GIS control cubicle is installed on the supporting top plate.

Preferably, the supporting top plate is provided with a special-shaped cover plate, the special-shaped cover plate is provided with an access hole cover plate capable of being opened, the supporting top plate is provided with an opening corresponding to the access hole cover plate, and the access hole cover plate can enter the GIS main cable trench after being opened; a plurality of through holes capable of observing the inside of the GIS main cable trench are formed in the access hole cover plate.

Preferably, the special-shaped cover plate is horizontally embedded on the supporting top plate.

Preferably, four corners of the bottom surface of the 800kV GIS control cubicle are fixed on a horizontal plane formed by the supporting top plate and the special-shaped cover plate through embedded steel plates.

Preferably, the special-shaped cover plate is provided with a through hole for the 800kV GIS control cubicle to pass through.

Preferably, the manhole cover plate is horizontally arranged in an area outside the 800kV GIS control cabinet installed on the special-shaped cover plate.

Preferably, the manhole cover plate is provided with a hidden embedded handle.

Preferably, the supporting side wall is provided with a through hole for the cables in the GIS cable branch trench to pass through.

Compared with the prior art, the utility model discloses following beneficial effect has: because 800kV GIS converges the big, many and the lateral dimension of being qualified for the next round of competitions of scale of control cabinet, with 800kV GIS converge control cabinet setting in the top of GIS main cable ditch, effectively solved 800kV GIS equipment after adopting user internal layout, GIS room factory building width size increase, and then cause 800kV GIS room volume increase, lead to the higher difficult problem of engineering investment. The utility model discloses can reduce the width of GIS room factory building under the convenient prerequisite of cable junction and operation maintenance not influencing, reduce the building size of GIS room by a wide margin, effectively reduce the investment of whole engineering.

Further, the utility model discloses an embedded setting of heterotypic apron level is on supporting the roof, and the access hole apron level sets up the region outside heterotypic apron installation 800kV GIS collection accuse cabinet to and set up stealthy embedded handle on the access hole apron, can make things convenient for the installation that 800kV GIS collected the accuse cabinet on the one hand, on the other hand does not influence the cabinet door switching of 800kV GIS collection accuse cabinet.

Drawings

Fig. 1 is a schematic view of a local overhead layout structure in an 800kV GIS control cubicle of the present invention;

FIG. 2 is a schematic side view of an indoor layout structure profile of an 800kV GIS control cubicle;

in the drawings: 1-800kV GIS control cubicle; 2-a support beam; 3-special-shaped cover plate; 4, pre-burying a steel plate; 5-GIS control cubicle wiring through hole; 6-manhole cover plate; 7-invisible embedded handle; 8-GIS main cable trench; 9-GIS cable branch trench.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the arrangement structure above the main cable trench of the indoor GIS control cubicle comprises a supporting beam 2 arranged on a GIS main cable trench 8, wherein an 800kV GIS control cubicle 1 is arranged above the GIS main cable trench 8 through the supporting beam 2, the 800kV GIS control cubicle 1 is downwards connected with a main cable in the GIS main cable trench 8, a GIS cable branch trench 9 is arranged in the direction of the side wall of the GIS cable trench 8, and a cable in the GIS cable branch trench 9 is connected with the main cable in the GIS main cable trench 8 from the side direction.

The supporting beam 2 comprises a supporting side wall arranged on a floor at the bottom of the cable trench and a supporting top plate arranged at the top of the supporting side wall, and is of a square-back-shaped integral frame beam structure, the supporting side wall is arranged along the trench wall of the GIS main cable trench 8, and the 800kV GIS control cubicle 1 is arranged on the supporting top plate. The supporting top plate is provided with a special-shaped cover plate 3, the special-shaped cover plate 3 is provided with an access hole cover plate 6 capable of being opened, the supporting top plate is opened at a position corresponding to the access hole cover plate 6, and the opened access hole cover plate 6 can enter the GIS main cable trench 8; a plurality of through holes capable of observing the inside of the GIS main cable trench 8 are formed in the access hole cover plate 6. The special-shaped cover plate 3 is horizontally embedded on the supporting top plate, and the special-shaped cover plate 3 is cast in situ.

Four corners of the bottom surface of the 800kV GIS control cubicle 1 are fixed on a horizontal plane formed by the supporting top plate and the special-shaped cover plate 3 through the embedded steel plates 4. And the special-shaped cover plate 3 is provided with a through hole for the wiring of the 800kV GIS control cabinet 1 to pass through. The manhole cover plate 6 is horizontally arranged in the area of the special-shaped cover plate 3 outside the 800kV GIS control cabinet 1. An invisible embedded handle 7 is arranged on the access hole cover plate 6. And a through hole for the cable to pass through in the GIS cable branch trench 9 is formed in the supporting side wall.

The utility model discloses a suitable depth that deepens GIS leader cable ditch 8 deepens about 300mm to satisfy and converge accuse cabinet bottom operating space at the constructor. The local cable trench for placing the 800kV GIS control cubicle 1 is designed to be of a frame-shaped integral beam structure, and the top surface is cast in situ with a special-shaped cover plate 3 with a GIS control cubicle wiring through hole 5 and a horizontal access hole cover plate 6 gap. The top surface and the both sides owner cable trench cover parallel and level of abnormal shape apron 3, 800kV GIS collection accuse cabinet 1 is placed to one side above that, and the opposite side sets up the horizontal direction access hole apron 6 that can open, and access hole apron 6 is patrolled and is looked the passageway concurrently, and the design of the stealthy embedding of apron handle does not influence opening and the personnel of patrolling of collection accuse cabinet door and passes through with the apron parallel and level, and the apron can be opened during the maintenance and conveniently overhauls. Local square-shaped cable pit lateral wall trompil returns, communicates with GIS equipment, makes things convenient for GIS equipment and 800kV GIS collection accuse cabinet 1 cable connection.

The utility model discloses 800kV GIS converges indoor arrangement structure of control cabinet has following advantage at least:

1. the investment of properly deepening the main cable trench is far less than the increase investment of the GIS factory building size.

2. Through the special design of local cable trench, the 800kV GIS control cubicle is moved to the upper side of the cable trench from the side arrangement of the main cable trench, so that the problem that the control cubicle occupies the width of a GIS room is solved, the building size of the GIS room is greatly reduced, and the whole engineering investment is reduced.

3. The opening of the side wall of the local cable trench is communicated with the GIS equipment, and the control cubicle is placed on the main cable trench, so that the cable connection between the GIS equipment and the control cubicle is not influenced.

4. Local cable pit overhauls apron and tours the passageway concurrently, and the stealthy design of apron handle embedding passes through with the tour personnel with the apron parallel and level, does not influence opening of converging accuse cabinet door, and the apron can be opened during the maintenance and conveniently overhauls.

5. The side wall of the local square-shaped cable trench is provided with a hole and is communicated with GIS equipment, so that the GIS equipment and the control cubicle cable can be conveniently connected.

6. The special design of the local cable trench can be used in the layout design of a control cabinet when 800kV GIS indoor layout or other voltage-class GIS equipment indoor layout, the width of a GIS room can be reduced, the building size of the GIS room is greatly reduced, the engineering investment is reduced, and the economic benefit is good.

The above-mentioned embodiments are only preferred embodiments of the present invention, and it should be understood by those skilled in the art that the technical solution of the present invention can be modified and replaced easily without departing from the spirit and principle of the present invention, and the modified and replaced embodiments also fall within the protection scope of the appended claims.

Claims

1. The utility model provides an indoor GIS control cabinet owner cable ditch top arrangement structure which characterized in that:

the GIS cable trench comprises a supporting beam (2) arranged on a GIS main cable trench (8), wherein an 800kV GIS control cubicle (1) is arranged above the GIS main cable trench (8) through the supporting beam (2), the 800kV GIS control cubicle (1) is downwards connected with a main cable in the GIS main cable trench (8), a GIS cable branch trench (9) is arranged in the direction of the side wall of the GIS main cable trench (8), and a cable in the GIS cable branch trench (9) is connected with a main cable in the GIS main cable trench (8) from the side direction.

2. The indoor GIS bus cabinet overhead cable trench arrangement of claim 1, wherein: the supporting beam (2) comprises a supporting side wall arranged on the floor at the bottom of the cable trench and a supporting top plate arranged at the top of the supporting side wall, the supporting side wall is arranged along the trench wall of the GIS main cable trench (8), and the 800kV GIS control cubicle (1) is installed on the supporting top plate.

3. The indoor GIS bus cabinet overhead cable trench arrangement of claim 2, wherein: the support top plate is provided with a special-shaped cover plate (3), the special-shaped cover plate (3) is provided with an access hole cover plate (6) capable of being opened, the support top plate is opened at a position corresponding to the access hole cover plate (6), and the opened access hole cover plate (6) can enter the GIS main cable trench (8); a plurality of through holes capable of observing the inside of the GIS main cable trench (8) are formed in the access hole cover plate (6).

4. The indoor GIS bus cabinet overhead cable trench arrangement of claim 3, wherein:

the special-shaped cover plate (3) is horizontally embedded on the supporting top plate.

5. The indoor GIS control cabinet main cable trench overhead arrangement of claim 4, wherein:

four corners of the bottom surface of the 800kV GIS control cubicle (1) are fixed on a horizontal plane formed by the supporting top plate and the special-shaped cover plate (3) through the embedded steel plates (4).

6. The indoor GIS control cabinet main cable trench overhead arrangement of claim 5, wherein:

and the special-shaped cover plate (3) is provided with a through hole for the wiring of the 800kV GIS control cabinet (1) to pass through.

7. The indoor GIS control cabinet main cable trench overhead arrangement of claim 5, wherein: the manhole cover plate (6) is horizontally arranged in the area except the area where the 800kV GIS control cabinet (1) is installed on the special-shaped cover plate (3).

8. The indoor GIS bus cubicle main cable trench overhead arrangement of claim 3 or 7, wherein: and an invisible embedded handle (7) is arranged on the access hole cover plate (6).

9. The indoor GIS bus cabinet overhead cable trench arrangement of claim 2, wherein:

and the supporting side wall is provided with a through hole for the cables in the GIS cable branch trench (9) to pass through.