CN214175799U - Shallow buried underground urban transformer structure - Google Patents
Shallow buried underground urban transformer structure Download PDFInfo
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- CN214175799U CN214175799U CN202022831458.5U CN202022831458U CN214175799U CN 214175799 U CN214175799 U CN 214175799U CN 202022831458 U CN202022831458 U CN 202022831458U CN 214175799 U CN214175799 U CN 214175799U
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- transformer
- underground
- pit
- cover
- prefabricated
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- 238000009423 ventilation Methods 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 241000269793 Cryothenia peninsulae Species 0.000 abstract description 6
- 101150054854 POU1F1 gene Proteins 0.000 description 15
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a shallow underground city transformer structure that buries, including prefabricated formula pit and underground transformer, the ventilation unit of setting in prefabricated formula pit, its characterized in that: a cover is arranged at the pithead of the prefabricated pit, the cover comprises a lower cover and an upper cover, the projection size of the lower cover is larger than that of the prefabricated pit so as to completely cover the pithead, and the projection size of the upper cover is larger than that of the underground transformer so as to cover the underground transformer; the upper end surface of the lower cover cap is provided with an opening to be communicated with the inner cavity of the upper cover cap, and the lower cover cap is communicated with the inner cavity of the prefabricated pit to be communicated with a ventilation device; the lower cover cap and the upper cover cap are respectively provided with four surrounding edges, and the surrounding edges at two sides are respectively provided with air ports or the surrounding edges are respectively provided with air ports to form a lower air inlet structure and an upper air outlet structure. The transformer has the substantive characteristics and the progress of no exposure, high safety, good ventilation and heat dissipation effects, no influence on the overall landscape effect of the building and the like.
Description
Technical Field
The utility model relates to a shallow underground formula city transformer structure that buries is applicable to the defeated transformer substation in city. Belongs to the technical field of power transmission and distribution equipment in a power system.
Background
In the practice of production and life, in order to reduce the area of power supply and distribution rooms as much as possible and to make up more commercial space, large-scale construction projects generally adopt an underground transformer structure as a power supply and distribution mode. Because the aerial garden of a building project generally only has backfill with the thickness of about 1 meter, and the height of the underground transformer in the prior art exceeds 1 meter, if a prefabricated pit structure is adopted for shallow buried (the depth is less than 1 meter) installation of the underground transformer, the underground transformer is exposed out of the ground due to the depth of the prefabricated pit structure is less than 1 meter, so that the problems of transformer exposure, insecurity, influence on the whole landscape effect of a building and the like exist. If the pit is dug deeply, the problems that some fields are not allowed, the project amount is large, the construction cost is high and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems that the existing underground transformer with prefabricated pit structure is exposed, unsafe and influences the whole landscape effect of the building, and providing a shallow underground urban transformer structure. The transformer has the substantive characteristics and the progress of no exposure, high safety, good ventilation and heat dissipation effects, no influence on the overall landscape effect of the building and the like.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a shallow underground city transformer structure that buries, includes prefabricated formula pit and sets up underground transformer, the ventilation unit in prefabricated formula pit, its structural feature lies in: a cover is arranged at the pithead of the prefabricated pit, the cover comprises a lower cover and an upper cover, the projection size of the lower cover is larger than that of the prefabricated pit so as to completely cover the pithead, and the projection size of the upper cover is larger than that of the underground transformer so as to cover the underground transformer; the upper end surface of the lower cover cap is provided with an opening to be communicated with the inner cavity of the upper cover cap, and the lower cover cap is communicated with the inner cavity of the prefabricated pit to be communicated with a ventilation device; the lower cover cap and the upper cover cap are respectively provided with four surrounding edges, and the surrounding edges at two sides are respectively provided with air ports or the surrounding edges are respectively provided with air ports to form a lower air inlet structure and an upper air outlet structure.
The purpose of the utility model can also be achieved by adopting the following technical scheme:
further, the underground transformer is arranged in the middle or at one side of the prefabricated pit; when the underground transformer is arranged in the middle, two partitions are respectively arranged on two sides of the underground transformer, a cavity formed between each partition and the side wall of the prefabricated pit is a cold air area, and a space of the underground transformer between the two partitions forms a hot air area; when the transformer is arranged on one side, the underground transformer is close to one side of the prefabricated pit, a partition plate is arranged on the other side of the underground transformer, and a cavity formed between the partition plate and the side wall of the prefabricated pit is a cold air area; the partition encloses the upper half of the transformer and forms a hot air zone with the space formed between the partition and the prefabricated pit side wall adjacent to the underground transformer 2.
Furthermore, a cover structure formed by the lower cover cap and the upper cover cap is high in the middle and relatively short on two sides, so that a stepped layered structure is formed; the shape is similar to the structure of a game prize receiving table.
Furthermore, the ventilation and heat dissipation structures at the periphery or two sides of the lower cover cap and the upper cover cap are composed of labyrinth aluminum profiles, and the ventilation and heat dissipation ports composed of the labyrinth aluminum profiles are equivalently provided with strip-shaped decorative strips and are matched with the appearance of the prize-awarding table.
Furthermore, the labyrinth aluminum profile is provided with a three-section type bending structure with two vertical surfaces and an inclined surface, and comprises an upper section, a middle section and a lower section, wherein the upper section and the lower section are vertically arranged and respectively provided with one vertical surface, the middle section is obliquely provided with the inclined surface, an included angle alpha between the middle section and the lower section is 105-120 degrees, an included angle beta between the inclined surface formed by the middle section and a horizontal plane is 15-30 degrees, and a three-dimensional air duct structure is formed.
Furthermore, an upper plane is arranged at the top end of the upper section, a lower plane is arranged at the bottom end of the lower section, and a middle plane is arranged at the joint of the middle section and the lower section to form a three-dimensional horizontal tuyere structure.
Furthermore, the ventilation device is composed of a fan and an air duct of the prefabricated pit, and the air duct is communicated with an air inlet of the lower cover cap and an air outlet of the upper cover cap.
Further, the underground transformer has a high voltage input and a low voltage output, which are led out from the prefabricated pit by a cable.
The utility model has the following substantive characteristics and beneficial effect:
1. the utility model is provided with the cover cap at the pithead of the prefabricated pit, the cover cap comprises a lower cover cap and an upper cover cap, the projection size of the lower cover cap is larger than that of the prefabricated pit to completely seal the pithead, and the projection size of the upper cover cap is larger than that of the underground transformer to seal the underground transformer; the upper end surface of the lower cover cap is provided with an opening to be communicated with the inner cavity of the upper cover cap, and the lower cover cap is communicated with the inner cavity of the prefabricated pit to be communicated with a ventilation device; the lower cover cap and the upper cover cap are respectively provided with four surrounding edges, and the surrounding edges at two sides are respectively provided with air ports or the surrounding edges are respectively provided with air ports to form a lower air inlet structure and an upper air outlet structure. Therefore, the problems that the existing underground transformer installed in the prefabricated pit structure is exposed and unsafe and influences the overall landscape effect of the building can be solved, and the underground transformer has the substantial characteristics and progresses that the transformer is not exposed, the safety is high, the ventilation and heat dissipation effects are good, the overall landscape effect of the building is not influenced, and the like.
2. The utility model installs the underground transformer in the middle (or one side) of the pit, installs the baffle on the side of the transformer in the pit, and the cavity formed between the baffle and the wall of the pit becomes the cold air area; the upper half part of the transformer is enclosed between the two clapboards (or between the other side wall of the pit box and the clapboards), so that a hot wind zone is formed. The air outlet of the cold air area corresponds to the shorter part of the cover hood; the air outlet of the hot air area corresponds to the higher part of the cover, so that a good convection effect is formed.
3. The cover of the utility model adopts a ladder layered structure, the middle is high, the two sides are relatively short, the appearance is like a prize-accepting platform of a match, the periphery of the cover is provided with a new type labyrinth radiating fin group to form a radiating port of a prefabricated pit, and the appearance formed by combination is like a strip-shaped decorative strip which is matched with the appearance of the prize-accepting platform; therefore, the integral structure is simple, the appearance is beautiful and elegant, and the integral landscape effect of the building is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a top view of the structure of fig. 1.
Fig. 3 is a schematic view of the structure of the cap of fig. 1.
Fig. 4 is a schematic structural view of a labyrinth aluminum profile used in fig. 1.
Fig. 5 is a schematic structural diagram of embodiment 2 of the present invention.
Detailed Description
Specific example 1:
referring to fig. 1-4, a specific embodiment 1 of the present invention includes a prefabricated pit 1, and an underground transformer 2 and a ventilation device 3 disposed in the prefabricated pit, wherein a cover is disposed at a pit opening of the prefabricated pit 1, the cover includes a lower cover 4 and an upper cover 5, a projection dimension of the lower cover 4 is larger than a dimension of the prefabricated pit 1 to completely cover the pit opening, and a projection dimension of the upper cover 5 is larger than a dimension of the underground transformer 2 to cover the underground transformer 2 (in practical applications, the upper cover 5 covers a main body of the underground transformer 2, and a part of a terminal can be exposed to facilitate a wiring maintenance); the upper end surface of the lower cover cap 4 is provided with an opening to be communicated with the inner cavity of the upper cover cap 5, and the lower cover cap 4 is communicated with the inner cavity of the prefabricated pit 1 to be communicated with the ventilation device 3; the lower cover 4 and the upper cover 5 are respectively provided with four surrounding edges, and the surrounding edges at two sides are respectively provided with air ports or the surrounding edges are respectively provided with air ports to form a lower air inlet structure and an upper air outlet structure.
In this embodiment:
referring to fig. 1, an underground transformer 2 is installed at the middle or one side of a prefabricated pit 1; when the underground transformer 2 is arranged in the middle, two sides of the underground transformer 2 are respectively provided with a partition plate 6, a cavity formed between the partition plate 6 and the side wall of the prefabricated pit 1 becomes a cold air area, and a space of the underground transformer 2 between the two partition plates 6 forms a hot air area; when the transformer is installed on one side, the underground transformer 2 is close to one side of the prefabricated pit 1, a partition plate 6 is installed on the other side of the underground transformer 2, and a cavity formed between the partition plate 6 and the side wall of the prefabricated pit 1 is a cold air area 7; the partition 6 encloses the upper half of the transformer and the space formed between the partition 6 and the side wall of the prefabricated pit 1 adjacent to the underground transformer 2 forms a hot air zone 8.
Referring to fig. 2 and 3, the cover structure formed by the lower cover 4 and the upper cover 5 has a high middle and relatively short two sides, and forms a stepped layered structure; the shape is similar to the structure of a game prize receiving table.
Referring to fig. 1 and 3, the ventilation and heat dissipation structures around or on both sides of the lower cover 4 and the upper cover 5 are made of labyrinth aluminum profiles, and the ventilation and heat dissipation ports made of the labyrinth aluminum profiles are equivalent to strip-shaped decorative strips installed and matched with the appearance of the prize-winning table.
Referring to fig. 4, the labyrinth aluminum profile has a three-section bending structure with two vertical surfaces and an inclined surface, and includes an upper section 11, a middle section 12 and a lower section 13, wherein the upper section 11 and the lower section 13 are vertically arranged and respectively have a vertical surface, the middle section 12 is obliquely arranged and has an inclined surface, an included angle α between the middle section 12 and the lower section 13 is 105 ° to 120 °, an included angle β between the inclined surface formed by the middle section 12 and a horizontal plane is 15 ° to 30 °, and a three-dimensional air duct structure is formed. The top end of the upper section 11 is provided with an upper plane 11-1, the bottom end of the lower section 13 is provided with a lower plane 13-1, and the joint of the middle section 12 and the lower section 13 is provided with a middle plane 12-1 to form a three-dimensional horizontal tuyere structure.
Referring to fig. 1, the ventilation device 3 is composed of a fan and an air duct of the prefabricated pit 1, and the air duct communicates with an air inlet of the lower cover 4 and an air outlet of the upper cover 5.
The underground transformer 2 is provided with a high-voltage input end 2-1 and a low-voltage output end 2-2, and the high-voltage input end 2-1 and the low-voltage output end 2-2 are led out of the prefabricated pit 1 through cables.
Specific example 2:
referring to fig. 5, embodiment 2 of the present invention is characterized in that: the underground transformer 2 is arranged on the left side of the prefabricated pit 1, the underground transformer 2 is close to the left side of the prefabricated pit 1, a partition plate 6 is arranged on the other side (the middle part of the pit is close to the right) of the underground transformer 2, and a cavity formed between the partition plate 6 and the side wall of the prefabricated pit 1 becomes a cold air area 7; the partition 6 encloses the upper half of the transformer, and the space formed between the partition 6 and the side wall of the prefabricated pit 1 close to the underground transformer 2 forms a hot wind zone 8. The rest is the same as in embodiment 1.
The cover of the utility model adopts a ladder layered structure, the middle is high, the two sides are relatively short, the appearance is like a prize-accepting platform of a match, the periphery of the cover is provided with a new type labyrinth radiating fin group to form a radiating port of a prefabricated pit, and the appearance formed by combination is like a strip-shaped decorative strip which is matched with the appearance of the prize-accepting platform; therefore, the integral structure is simple, the appearance is beautiful and elegant, and the integral landscape effect of the building is enhanced.
Claims (8)
1. The utility model provides a shallow underground city transformer structure that buries, includes prefabricated formula pit (1) and sets up underground transformer (2), ventilation unit (3) in prefabricated formula pit, its characterized in that: a cover cap is arranged at the pit opening of the prefabricated pit (1), the cover cap comprises a lower cover cap (4) and an upper cover cap (5), the projection size of the lower cover cap (4) is larger than that of the prefabricated pit (1) so as to completely cover the pit opening, and the projection size of the upper cover cap (5) is larger than that of the underground transformer (2) so as to cover the underground transformer (2); the upper end surface of the lower cover (4) is provided with an opening to be communicated with the inner cavity of the upper cover (5), and the lower cover (4) is communicated with the inner cavity of the prefabricated pit (1) to be communicated with the ventilation device (3); the lower cover (4) and the upper cover (5) are respectively provided with four surrounding edges, and the surrounding edges at two sides are respectively provided with an air opening or the surrounding edges are respectively provided with an air opening to form a lower air inlet structure and an upper air outlet structure.
2. The shallow underground urban transformer structure according to claim 1, wherein: the underground transformer (2) is arranged in the middle or at one side of the prefabricated pit (1); when the underground transformer is arranged in the middle, two sides of the underground transformer (2) are respectively provided with a partition plate (6), a cavity formed between the partition plate (6) and the side wall of the prefabricated pit (1) becomes a cold air area, and a space of the underground transformer (2) between the two partition plates (6) forms a hot air area; when the underground transformer is arranged on one side, the underground transformer (2) is close to one side of the prefabricated pit (1), a partition plate (6) is arranged on the other side of the underground transformer (2), and a cavity formed between the partition plate (6) and the side wall of the prefabricated pit (1) is a cold air area (7); the partition (6) encloses the upper half of the transformer, and a hot wind area (8) is formed in a space formed between the partition (6) and the side wall of the prefabricated pit (1) close to the underground transformer (2).
3. A shallow underground urban transformer structure according to claim 1 or 2, characterized in that: the middle of the cover hood structure formed by the lower cover hood (4) and the upper cover hood (5) is high, and the two sides of the cover hood structure are relatively short, so that a stepped layered structure is formed; the shape is similar to the structure of a game prize receiving table.
4. A shallow underground urban transformer structure according to claim 1 or 2, characterized in that: the ventilation and heat dissipation structures at the periphery or two sides of the lower cover (4) and the upper cover (5) are formed by labyrinth aluminum profiles, and the ventilation and heat dissipation port formed by the labyrinth aluminum profiles is equivalently provided with a strip-shaped decorative strip and is matched with the appearance of the prize-winning table.
5. The shallow underground urban transformer structure according to claim 4, wherein: the labyrinth type aluminum profile is provided with a three-section type bending structure with two vertical faces and an inclined face, and comprises an upper section (11), a middle section (12) and a lower section (13), wherein the upper section (11) and the lower section (13) are vertically arranged and respectively provided with a vertical face, the middle section (12) is obliquely arranged and provided with an inclined face, an included angle alpha between the middle section (12) and the lower section (13) is 105-120 degrees, an included angle beta between the inclined face formed by the middle section (12) and a horizontal plane is 15-30 degrees, and a three-dimensional air duct structure is formed.
6. The shallow underground urban transformer structure according to claim 5, wherein: an upper plane (11-1) is arranged at the top end of the upper section (11), a lower plane (13-1) is arranged at the bottom end of the lower section (13), and a middle plane (12-1) is arranged at the joint of the middle section (12) and the lower section (13) to form a three-dimensional horizontal tuyere structure.
7. A shallow underground urban transformer structure according to claim 1 or 2, characterized in that: the ventilating device (3) is composed of a fan and an air duct of the prefabricated pit (1), and the air duct of the prefabricated pit (1) is communicated with an air inlet of the lower cover cap (4) and an air outlet of the upper cover cap (5).
8. A shallow underground urban transformer structure according to claim 1 or 2, characterized in that: the underground transformer (2) is provided with a high-voltage input end (2-1) and a low-voltage output end (2-2), and the high-voltage input end (2-1) and the low-voltage output end (2-2) are led out of the prefabricated pit (1) through cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831458.5U CN214175799U (en) | 2020-11-30 | 2020-11-30 | Shallow buried underground urban transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022831458.5U CN214175799U (en) | 2020-11-30 | 2020-11-30 | Shallow buried underground urban transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214175799U true CN214175799U (en) | 2021-09-10 |
Family
ID=77603226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022831458.5U Expired - Fee Related CN214175799U (en) | 2020-11-30 | 2020-11-30 | Shallow buried underground urban transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214175799U (en) |
-
2020
- 2020-11-30 CN CN202022831458.5U patent/CN214175799U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210910 |