CN202678799U - Preassembled transformer substation buried underground - Google Patents

Abstract

The utility model discloses a preassembled transformer substation buried underground. The preassembled transformer substation buried underground comprises a transformer substation box body arranged underground, and a maintenance ventilation box body which is arranged above the ground and provided with a ventilation window, wherein the transformer substation box body and the maintenance ventilation box body are internally communicated and provided with a ladder; the bottom of the maintenance ventilation box body is installed on the outer side of an edge of a maintenance ventilation hole in a large top cover on the top part of the transformer substation box body in a sealing plug-in manner; the side wall and the top part of the maintenance ventilation box body are provided with ventilation windows and a small maintenance hole respectively; and the small maintenance hole is provided with a small top cover. The preassembled transformer substation buried underground has the beneficial effects that the work noise is small and has no pollution to the environment; the maintenance window and the ventilation windows are focused on the maintenance ventilation box body above the ground, thereby reducing the entity structure protruding out of the ground, reducing the number of holes opened on the large top cover, and ensuring the tightness of the whole box body; air heat changing is realized by adopting natural ventilation; the maintenance ventilation box body above the ground is additionally provided with water retaining stages, thereby having good waterproof effect, and improving the safety and the reliability of the whole preassembled transformer substation.

Description

A kind ofly be embedded in underground preassembled transformer station

Technical field

The utility model relates to preassembled transformer station, particularly be a kind of underground preassembled transformer station that is embedded in.

Background technology

Fig. 1 is that prior art is embedded in underground preassembled transformer station structural representation.

As shown in Figure 1, the prior art structure that is embedded in underground preassembled transformer station comprises: transformer station box 1, ventilation casing 24, manhole 20; Described transformer station box 1 is embedded in subsurface, the suitable for reading of transformer station box 1 covered by top cover 21, be respectively arranged with 22 two openings of manhole 20 and ventilation hole on the described top cover 21, wherein manhole 20 usefulness housings are lived, the ventilation casing 24 of ventilation hole 22 above communicatively is provided with the ventilation that ventilating window is realized transformer station box 1 at the sidewall of ventilation casing 24; Be provided with high-voltage board, low-voltage cabinet and transformer etc. (figure does not look) transforming plant apparatus in the transformer station box 1.

Prior art is embedded in underground preassembled transformer station and has following technological deficiency: at first, taken more ground space; Secondly, increase the perforate on the top cover, be unfavorable for the tightness of whole casing; Again, the unreasonable easy ponding of the structural design of manhole and water inlet affect the reliability of preassembled transformer station.

Summary of the invention

The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provides a kind of can effectively the minimizing to take green coverage on the ground, and security reliability a kind of who improves manhole and ground upper box is embedded in underground preassembled transformer station.

The technical scheme that solves the problems of the technologies described above is: a kind ofly be embedded in underground preassembled transformer station, describedly be embedded in underground preassembled transformer station and comprise: be arranged on underground transformer station box, the maintenance ventilation casing with ventilating window is set on the ground; Described transformer station box also is provided with ladder with maintenance ventilation casing internal communication, and the sealed bottom of described maintenance ventilation casing is inserted into the outside, maintenance ventilation hole edge on the large top cover at transformer station box top; The sidewall of described maintenance ventilation casing and top are respectively arranged with ventilating window and current repair hole; In described current repair hole little top cover is housed.

The beneficial effects of the utility model are: the utility model overcomes the defective of prior art, is embedded in the pollution that underground preassembled transformer station reduces transformer station's when work Noise upon Environment; Protrude the maintenance ventilated box height on ground less than 1 meter, do not affect people's sight line; The ventilating window that the maintainer is entered the access panel of transformer station box and ventilation and heat all on the sidewall of concentrated setting maintenance ventilation casing on the ground, reduces the entity structure of protruding ground, reduces the perforate above the large top cover, has guaranteed the tightness of whole casing; The mode of natural draft that adopts the utility model realizes the heat exchange of air, has reasonably designed maintenance ventilated box body structure on the ground, can realize being embedded in underground preassembled transformer station inner air exchange; The utility model maintenance ventilation casing on the ground increases dash platform good water-proof effect, has improved the security reliability of whole preassembled transformer station.

" description of drawings "

Fig. 1 is that prior art is embedded in underground preassembled transformer station structural representation;

Fig. 2 is the utility model structural representation;

Fig. 3 is the A-A cutaway view of Fig. 2;

Fig. 4 is the vertical view of Fig. 2;

Fig. 5 is ground maintenance ventilation casing front view among Fig. 2;

Fig. 6 is the B-B cutaway view of Fig. 5;

Fig. 7 is the C-C cutaway view of Fig. 5.

" component names in the accompanying drawing "

1: transformer station box; 2: ladder; 3: large top cover; 4: maintenance ventilation casing; 5: access panel; 6: little top cover; 7: ventilation dash platform; 8: ventilating window; 9: the current repair hole; 10: the maintenance window frame; 11: the maintenance ventilation hole; 12: large top cover suspension ring; 13: little top cover suspension ring; 14: low-voltage cabinet; 15: high-voltage board; 16: transformer; 17: maintenance dash platform; 18: dividing plate; 19: angle steel; 20: manhole; 21: top cover; 22: ventilating opening; 24: the ventilation casing; 25 locking devices.

Embodiment

As shown in the figure, the utility model provides a kind of underground preassembled transformer station that is embedded in, and describedly is embedded in underground preassembled transformer station and comprises: be arranged on underground transformer station box 1, the maintenance ventilation casing 4 with ventilating window 8 is set on the ground; Described transformer station box 1 is with maintenance ventilation casing 4 internal communication and be provided with ladder 2.

The sealed bottom of described maintenance ventilation casing 4 is inserted into the outside, maintenance ventilation hole 11 edges on the large top cover 3 at transformer station box 1 top; The sidewall of described maintenance ventilation casing 4 and top are respectively arranged with ventilating window 8 and current repair hole 9; In described current repair hole 9 little top cover 6 is housed.

Also be provided with access panel 5 on the sidewall of described maintenance ventilation casing 4.

In the described maintenance ventilation casing 4 dividing plate 18 is housed, described dividing plate 18 will overhaul ventilation casing 4 inside and be divided into maintenance district and plenum area; Described maintenance district comprises current repair hole 9, access panel 5 and the ventilating window 8 corresponding with access panel 5 positions; Described plenum area comprises ventilating window 8.

At described maintenance ventilation casing 4 window that is equipped with described ventilating window 8 and access panel 5 is arranged, be respectively arranged with the ventilation dash platform 7 and the maintenance dash platform 17 that raise up in described window bottom; Described ventilating window 8 and access panel 5 are shutters.

More particularly, the transforming plant apparatus such as high-voltage board 15, low-voltage cabinet 14 and transformer 16 are equipped with in transformer station box 1 inside, and large top cover 3 sealed junctions are combined in transformer station box 1 top and prevent that liquid from entering in the transformer station box 1; Large top cover 3 is consistent with ground level, and the Si Jiaochu on large top cover 3 is equipped with large top cover suspension ring 12, is convenient to lift by crane the large top cover 3 convenient equipment of installing in the transformer station box 1; The edge of the maintenance ventilation hole 11 of large top cover 3 is protruding upward the dash platform, flows in the transformer station box 1 with the liquid that prevents ground.

Maintenance ventilation casing 4 is integrated poured reinforced concrete structures, and its bottom is inserted into the outside of the maintenance ventilation hole 11 dash edge of table protruding upward of large top cover 3 and also uses the sealing of sealing coiled material; Maintenance ventilation casing 4 in-built dividing plates 18 are fixed between the maintenance ventilation casing 4 interior corresponding two sides by angle steel 19 and securing member, to overhaul ventilation casing 4 inside and be divided into maintenance district and plenum area, maintenance ventilation casing 4 tops in the maintenance district have current repair hole 9 and access panel 5; For safety is equipped with locking device 25 between the little top cover 6 of current repair hole 9 and its upper cover.

Have the window of equipped ventilating window 8 and access panel 5 at maintenance ventilation casing 4 sidewalls, arrive in the maintenance ventilation casing 4 for preventing rain leakage, ventilation dash platform 7 and the maintenance dash platform 17 that raises up arranged respectively at described bottom of window; Described ventilating window 8 usefulness glue are installed with in the window of ventilation dash platform 7; Described access panel 5 is contained in the maintenance window frame 10 made from stainless steel tube, and maintenance window frame 10 usefulness glue are fixedly mounted in the window of maintenance dash platform 17, and access panel 5 can open and close by the hinge that is contained on the maintenance window frame 10.

Ventilating window 8 of the present utility model and access panel 5 all have the effect of ventilating, when cold air flows in maintenance ventilation casing 4 and the transformer station box 1 from the air channel of access panel 5 through maintenance district, dividing plate 18 left side, near the transformer air raises backward mobile through heating-up temperature, hot-air is discharged through the air channel of the ventilating window 8 of dividing plate 18 right side plenum areas, forms the natural circulation of air.

When the utility model need to overhaul transformer station box 1 interior equipment, open at first successively little top cover 6 and access panel 5 after, the maintainer enters in the maintenance ventilation casing 4, advances to carry out repair apparatus in people's transformer station box 1 by ladder 2.

Claims (4)

1. A prefabricated substation buried in the ground, the prefabricated substation buried in the ground comprises: a substation box (1) arranged under the ground, an inspection and maintenance unit with a ventilation window (8) arranged on the ground Ventilation box (4); the substation box (1) communicates with the interior of the maintenance ventilation box (4) and is provided with a ladder (2), characterized in that the bottom of the maintenance ventilation box (4) is sealed and plugged Installed on the outside of the edge of the maintenance ventilation hole (11) on the large top cover (3) at the top of the substation box (1); the side walls and top of the maintenance ventilation box (4) are respectively provided with ventilation windows (8) and Small inspection hole (9); Small top cover (6) is housed on described small inspection hole (9). 2. The underground prefabricated substation according to claim 1, characterized in that an inspection window (5) is also provided on the side wall of the inspection ventilation box (4). 3. A prefabricated substation buried underground according to claim 2, characterized in that, there is a partition (18) in the overhaul ventilation box (4), and the partition (18) will The interior of the inspection ventilation box (4) is divided into an inspection area and a ventilation area; the inspection area includes a small inspection hole (9), an inspection window (5) and a ventilation window (8) corresponding to the location of the inspection window (5); The ventilation area includes a ventilation window (8). 4. A prefabricated substation buried underground according to claim 3, characterized in that, on the maintenance ventilation box (4), there is a ventilation window (8) and maintenance window (5) ) equipped window, the lower part of the window is respectively provided with an upwardly protruding ventilation water retaining platform (7) and an inspection water retaining platform (17); the ventilation window (8) and the inspection window (5) are shutters.

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