CN213329356U - Water supply and drainage system of buried box type transformer - Google Patents
Water supply and drainage system of buried box type transformer Download PDFInfo
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- CN213329356U CN213329356U CN202021852406.XU CN202021852406U CN213329356U CN 213329356 U CN213329356 U CN 213329356U CN 202021852406 U CN202021852406 U CN 202021852406U CN 213329356 U CN213329356 U CN 213329356U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 157
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 238000001914 filtration Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 description 17
- 101150054854 POU1F1 gene Proteins 0.000 description 16
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The application relates to a water supply and drainage system of a buried box type transformer, which comprises a foundation pit, a distribution box and a transformer, wherein the foundation pit is arranged below the ground; an access hole communicated with the cavity inside the foundation pit is formed in the ground, and a sealing cover used for sealing the access hole is matched on the access hole; the bottom surface of the foundation pit is an inclined surface inclined downwards to form a slope; a water collecting tank is arranged at the lowest point of the slope; a water outlet communicated with the outside is arranged in the water collecting tank; the transformer is arranged on the slope. This application has the advantage of being convenient for discharge the accumulational water in the pit.
Description
Technical Field
The application relates to the field of electric power engineering construction, in particular to a water supply and drainage system of a buried box type transformer.
Background
With the progress of scientific technology and municipal planning technology, the originally new and visible power transmission line gradually disappears in the visual field of people, and the power transmission line and the underground box transformer (box-type transformer) are replaced by underground laid lines and underground box transformers, and the power transmission line and the box transformer are buried at the bottom of the ground, so that the municipal environment is beautified, a large amount of three-dimensional space in the current city is also liberated, and a large amount of space is saved for three-dimensional traffic facilities in modern traffic, such as viaducts, overpasses and the like.
The buried box transformer substation mainly comprises a buried transformer and box-type outdoor switch equipment. The buried transformer is a compact transformer composed of transformer, high-voltage load switch and fuse, and is installed in pit without occupying ground space and can be immersed in water for operation.
The buried box transformer is installed underground, so that the surrounding environment is not influenced, and the distribution box installed on the ground is small in size and can be easily coordinated with the surrounding environment. If in the residential quarter, the distribution box on the ground can be matched with the residential quarter greening to form a part of the residential quarter landscape. The distribution box on the ground can be designed into an advertising lamp box at the same time.
Although underground combined transformers of buried box-type transformers are allowed to operate by being immersed in water, waterproof and drainage in a pit foundation must be thoroughly considered and designed for long-term safe and reliable operation of the underground transformers.
However, the buried transformer faces a humid and cool environment, and accumulated water is very easily formed in a pit in which the transformer is buried, for example, in rainy days, rainwater flows into the pit along a maintenance opening, so that excessive water accumulated in the pit easily causes transformer failure or damage, affects daily life of people and causes great economic loss.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the drainage of water accumulated in a pit, the application provides a water supply and drainage system of a buried box type transformer.
The application provides a formula box transformer's that buries water supply and drainage system adopts following technical scheme:
a water supply and drainage system of an underground box-type transformer comprises a foundation pit arranged below the ground, a distribution box arranged on the ground and a transformer arranged in the foundation pit and electrically connected with the distribution box; an access hole communicated with the cavity inside the foundation pit is formed in the ground, and a sealing cover used for sealing the access hole is matched on the access hole; the bottom surface of the foundation pit is an inclined surface inclined downwards to form a slope; a water collecting tank is arranged at the lowest point of the slope; a water outlet communicated with the outside is arranged in the water collecting tank; the transformer is arranged on the slope.
By adopting the technical scheme, when rainwater enters the foundation pit through the access hole, the rainwater flows into the collecting tank along the slope under the action of gravity, and the rainwater in the collecting tank is discharged out of the foundation pit through the water outlet in the collecting tank; through setting up the slope, be convenient for discharge accumulational water in the pit to reduce the influence that ponding is too much causes the transformer operation in the foundation ditch.
Preferably, a filtering component is arranged in the water collecting tank; the filter component comprises a filter plate which is arranged at the notch of the water collecting tank and is matched with the notch of the filter tank.
Through adopting above-mentioned technical scheme, when the rainwater carries impurity such as some silt to get into the foundation ditch through the access hole in, under the action of gravity, the rainwater passes through the filtration entering water catch bowl of filter along the slope, then through outlet discharge foundation ditch, through setting up filtering component, can filter impurity such as silt in the rainwater, reduces the deposit of silt in the water catch bowl, and then reduces silt impurity and causes the possibility of jam to the outlet.
Preferably, the filtering assembly further comprises a supporting frame which is arranged in the water collecting tank, is matched with the water collecting tank and has an opening at the upper end; the filter plate is lapped at the opening at the upper end of the supporting frame; the water outlet is communicated with the cavity in the supporting frame.
Through adopting above-mentioned technical scheme, the carriage can support the filter, and through the overlap joint cooperation of filter and carriage, the silt impurity that stores up on the convenient filter is cleared up.
Preferably, the side of the filter plate is turned towards the direction departing from the mounting frame to form a collecting groove, and the notch of the collecting groove is lower than the lowest point of the slope.
Through adopting above-mentioned technical scheme, the collecting vat can be collected filter impurity such as silt of crossing from the rainwater to be convenient for clear up silt impurity.
Preferably, a lifting assembly is arranged in the foundation pit; the lifting assembly comprises a wire roller arranged above the water collecting tank and rotatably connected with the inner wall of the foundation pit and a lifting rope, one end of the lifting rope is fixedly connected with the wire roller, and the other end of the lifting rope is fixedly connected with the filter plate.
Through adopting above-mentioned technical scheme, after using for a long time, when impurity such as accumulational silt on the filtering component was too much, the staff can follow in the access hole gets into the foundation ditch, rotate on the line roller, thereby the lifting rope rolling is gone up the filter and is promoted the filter from the carriage and pull out on the line roller to the convenient clearance to impurity on the filter.
Preferably, a water storage tank is arranged between the slope and the collecting tank; a water inlet is arranged on one surface of the water storage tank, which is far away from the ground; the height of the water inlet is lower than the height of the lowest point of the slope and higher than the notch of the collecting groove.
Through adopting above-mentioned technical scheme, the storage water tank can be collected the water that gets into in the foundation ditch, and when the high temperature was too high in the season foundation ditch of high temperature rain less such as summer, the heat in the foundation ditch was absorbed in the evaporation of water in the collecting box to reduce the temperature in the foundation ditch, thereby reduce the influence that high temperature caused the transformer operation.
Preferably, a closed assembly is arranged in the position, corresponding to the water inlet, in the foundation pit; the sealing assembly comprises a cover plate and an air cylinder, wherein the output end of the air cylinder is fixedly connected with the cover plate and used for pushing the cover plate to control the water inlet to be opened and closed.
Through adopting above-mentioned technical scheme, after the water level in the storage water tank reaches certain height, start the cylinder, push down the cylinder and get into to step down the groove in the lid establishes and seal the water inlet at the water inlet under the promotion of cylinder to reduce the too high possibility of spilling over of water level in the storage water tank.
Preferably, a sponge layer is arranged on one surface of the water storage tank, which is far away from the ground; a yielding groove matched with the cover body is arranged at the position, corresponding to the water inlet, on the surface, facing the water storage tank, of the sponge layer.
Through adopting above-mentioned technical scheme, the sponge layer can filter the water that gets into in the storage water tank to reduce impurity such as silt and get into the possibility of deposit in the storage water tank.
Preferably, the one side that the sponge layer deviates from the storage water tank is the inclined plane and the same with the inclination on slope, the inclined plane on sponge layer and the inclined plane parallel and level on slope.
Through adopting above-mentioned technical scheme, the one side that the sponge layer deviates from the storage water tank is the inclined plane, filters the back to the rainwater, under gravity and rainwash's effect, is convenient for will remain impurity such as silt on the sponge layer and dash the filtering component to keep the cleanness on sponge layer.
Preferably, a humidifier is arranged in the foundation pit, and a water suction pump communicated with the water storage tank and the humidifier is arranged between the humidifier and the water storage tank.
By adopting the technical scheme, when the temperature in the foundation pit is too high in high-temperature and rain-less seasons such as summer and the like, the water pump is started, the water pump pumps water into the humidifier, and the humidifier is started to humidify and cool the foundation pit, so that the influence of high temperature on the operation of the transformer is reduced; through setting up the humidifier, improve the effect to the interior humidification cooling of foundation ditch.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the slope and the water collecting groove are arranged, so that water accumulated in the pit can be conveniently discharged, and the influence of excessive accumulated water in the foundation pit on the operation of the transformer is reduced;
2. by arranging the filtering component, the sediment deposition of the sediment in the water collecting tank is reduced, and the possibility of blocking the water outlet by sediment impurities is further reduced;
3. the lifting assembly is arranged, so that impurities on the filter plate can be conveniently cleaned;
4. the water storage tank is arranged, so that the influence of high temperature on the operation of the transformer is reduced;
5. through setting up water pump and humidifier, improve the effect to the interior humidification cooling of foundation ditch.
Drawings
FIG. 1 is a schematic structural diagram of a water supply and drainage system of an underground box-type transformer;
fig. 2 is a schematic view of the structure of the lifting assembly and the filter assembly.
Description of reference numerals: 1. a foundation pit; 10. an access hole; 11. a closure cap; 12. a slope; 13. a water collection tank; 130. a water outlet; 14. an installation table; 15. mounting grooves; 16. accommodating grooves; 17. a water pump; 18. an emergency water outlet; 2. a distribution box; 3. a transformer; 4. a filter assembly; 40. a support frame; 41. a filter plate; 410. collecting tank; 5. a lifting assembly; 50. a wire roller; 500. a handle; 51. a lifting rope; 52. a limiting plate; 6. a water storage tank; 60. a water inlet; 7. a closure assembly; 70. a cover body; 71. a cylinder; 8. a sponge layer; 80. a yielding groove; 9. a humidifier.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a water supply and drainage system of a buried box type transformer. Referring to fig. 1, the underground box type transformer water supply and drainage system comprises a foundation pit 1 arranged below the ground, a distribution box 2 arranged on the ground and a transformer 3 arranged in the foundation pit 1 and electrically connected with the distribution box 2; an access hole 10 communicated with the cavity inside the foundation pit 1 is formed in the ground, and a sealing cover 11 for sealing the access hole 10 is matched on the access hole 10; the bottom surface of the foundation pit 1 is a slope 12 formed by an inclined plane which inclines downwards; a water collecting tank 13 is arranged at the lowest point of the slope 12; a water discharge port 130 communicating with the outside is provided in the water collection tank 13; a horizontal mounting table 14 is provided on the slope 12, and the transformer 3 is provided on the mounting table 14.
In order to reduce the deposition of impurities such as silt in the water collection tank 13, referring to fig. 1 and 2, a filter assembly 4 is arranged in the water collection tank 13; the filtering component 4 comprises a supporting frame 40 which is arranged in the water collecting tank 13 and is matched with the water collecting tank 13 and is provided with an opening at the upper end, and a filtering plate 41 which is lapped at the opening at the upper end of the supporting frame 40; the water outlet 130 is communicated with the inner cavity of the support frame 40; the sides of the filter panels 41 are folded away from the mounting frame to form a collection trough 410, the mouth of the collection trough 410 being below the lowest point of the ramp 12.
Referring to fig. 1 and 2, in order to facilitate cleaning of impurities in the collection tank 410, a lifting assembly 5 is provided within the foundation pit 1; the lifting assembly 5 comprises a wire roller 50 which is arranged above the water collecting tank 13 and is rotationally connected with the inner wall of the foundation pit 1 and a lifting rope 51 of which one end is fixedly connected with the wire roller 50 and the other end is fixedly connected with the filter plate 41; in order to facilitate the lifting of the filter plate 41, a handle 500 is arranged at one end of the line roller 50, which is far away from the inner wall of the base layer; in order to limit the position of the lifting rope 51 and reduce the possibility that the lifting rope 51 wound on the wire roller 50 falls off, two limiting plates 52 with opposite plate surfaces are coaxially and fixedly connected to the wire roller 50; the lifting rope 51 is disposed between the two limit plates 52.
Referring to fig. 1, in order to collect rainwater in rainy season and further enable the collected rainwater to evaporate to cool down a transformer 3 in a foundation pit 1 when the rainwater is low, a water storage tank 6 is arranged between a slope 12 and a collecting tank 410; a water inlet 60 is arranged on one surface of the water storage tank 6, which is far away from the ground; the height of the water inlet 60 is lower than the height of the lowest point of the slope 12 and higher than the notch of the collecting tank 410; in order to control the water level in the water storage tank 6 and reduce the possibility of water overflowing the water storage tank 6, an installation groove 15 is arranged in the slope 12 of the foundation pit 1 corresponding to the cover body 70, and a sealing component 7 is arranged in the installation groove 15; the sealing assembly 7 comprises a cover body 70 which is arranged in the mounting groove 15 and is in sliding fit with the mounting groove 15, and an air cylinder 71 which is arranged in the mounting groove 15 and has an output end and one end of the cover body 70, which is far away from the water inlet 60; under the pushing of the cylinder 71, the cover body 70 can extend out from the mounting groove 15 to seal the water inlet 60; in order to block the silt in the rainwater and enable the redundant water to flow into the collecting tank 410 more smoothly, a sponge layer 8 is arranged on one surface of the water storage tank 6, which is far away from the ground, the surface of the sponge layer 8, which is far away from the water storage tank 6, is an inclined surface and has the same inclination angle with the slope 12, and the inclined surface of the sponge layer 8 is flush with the inclined surface of the slope 12; a yielding groove 80 matched with the cover body 70 is arranged at the position corresponding to the water inlet 60 on the surface of the sponge layer 8 facing the water storage tank 6.
Referring to fig. 1, in order to further improve the cooling effect of the transformer 3 in the foundation pit 1, a humidifier 9 is arranged in the foundation pit 1, an accommodating groove 16 is formed in the slope 12, a water suction pump 17 is arranged in the accommodating groove 16, a water inlet 60 of the water suction pump 17 is communicated with the cavity inside the water storage tank 6, and a water outlet of the water suction pump 17 is communicated with the humidifier 9.
Referring to fig. 1, in order to reduce the possibility that rainwater may overflow the transformer 3 due to excessive rainwater and the excessive water discharge speed of the water discharge port 130, an emergency water discharge port 18 communicating with the outside is formed on the inner wall of the transformer 3 at a position corresponding to the height of the installation platform 14.
The implementation principle of the water supply and drainage system of the buried transformer 3 in the embodiment of the application is as follows: in practical application, when rainwater carries impurities such as silt and the like to enter the foundation pit 1 through the access hole 10, the rainwater flows through the sponge layer 8 along the slope 12 to flow into the collecting tank 410 under the action of gravity, is filtered by the filter plate 41, enters the water collecting tank 13, and then is discharged out of the foundation pit 1 through the water outlet 130; a part of water flowing through the sponge layer 8 penetrates through the sponge layer 8 and enters the water storage tank 6 through the water inlet 60 to be collected, when the water level in the water storage tank 6 reaches a certain height, the air cylinder 71 is started, the air cylinder 71 is pushed by the air cylinder 71 to enter the abdication groove 80 and is covered at the water inlet 60 to seal the water inlet 60, and therefore the possibility that the water level in the water storage tank 6 overflows due to overhigh water level is reduced; after long-time use, when impurities such as silt and the like accumulated on the filter assembly 4 are excessive, a worker can enter the foundation pit 1 from the access hole 10, hold the handle 500 on the wire roller 50 with a hand, rotate the wire roller 50, and wind the lifting rope 51 on the wire roller 50 so as to pull the filter plate 41 out of the support frame 40, so that the impurities on the filter plate 41 can be conveniently cleaned; when the temperature in the foundation pit 1 is too high in high-temperature and rain-less seasons such as summer and the like, the water pump 17 is started, the water pump 17 pumps water into the humidifier 9, and the humidifier 9 is started to humidify and cool the foundation pit 1, so that the influence of high temperature on the operation of the transformer 3 is reduced; when the rainwater is too large, the drainage speed of the drainage port 130 is lower than the entering speed of the rainwater, and when the water level in the foundation pit 1 rises to a certain height, the rainwater is drained through the emergency drainage port 18, so that the possibility that the transformer 3 is soaked by the rainwater is reduced; to sum up, be convenient for discharge the accumulational water in the pit to reduce the influence that ponding is too much to transformer 3 operation causes in foundation ditch 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A water supply and drainage system of an underground box-type transformer comprises a foundation pit (1) arranged below the ground, a distribution box (2) arranged on the ground and a transformer (3) arranged in the foundation pit (1) and electrically connected with the distribution box (2); an access hole (10) communicated with the cavity inside the foundation pit (1) is formed in the ground, and a sealing cover (11) used for sealing the access hole (10) is matched on the access hole (10); the method is characterized in that: the bottom surface of the foundation pit (1) is an inclined plane inclined downwards to form a slope (12); a water collecting tank (13) is arranged at the lowest point of the slope (12); a water outlet (130) communicated with the outside is arranged in the water collecting tank (13); the transformer (3) is arranged on the slope (12).
2. The water supply and drainage system of the buried box type transformer as claimed in claim 1, wherein: a filtering component (4) is arranged in the water collecting tank (13); the filtering component (4) comprises a filtering plate (41) which is arranged at the notch of the water collecting tank (13) and is matched with the notch of the filtering tank.
3. The water supply and drainage system of the buried box type transformer as claimed in claim 2, wherein: the filtering component (4) also comprises a supporting frame (40) which is arranged in the water collecting tank (13), is matched with the water collecting tank (13) and has an opening at the upper end; the filter plate (41) is lapped at an opening at the upper end of the supporting frame (40); the water outlet (130) is communicated with the inner cavity of the support frame (40).
4. The water supply and drainage system of the buried box type transformer as claimed in claim 3, wherein: the side of the filter plate (41) is turned towards the direction departing from the mounting frame to form a collecting groove (410), and the notch of the collecting groove (410) is lower than the lowest point of the slope (12).
5. The water supply and drainage system of the buried box type transformer as claimed in claim 4, wherein: a lifting component (5) is arranged in the foundation pit (1); the lifting component (5) comprises a wire roller (50) which is arranged above the water collecting tank (13) and is rotationally connected with the inner wall of the foundation pit (1) and a lifting rope (51) of which one end is fixedly connected with the wire roller (50) and the other end is fixedly connected with the filter plate (41).
6. The water supply and drainage system of the buried box type transformer as claimed in claim 4, wherein: a water storage tank (6) is arranged between the slope (12) and the collecting tank (410); a water inlet (60) is formed in one surface of the water storage tank (6) deviating from the ground; the height of the water inlet (60) is lower than the height of the lowest point of the slope (12) and higher than the notch of the collecting groove (410).
7. The water supply and drainage system of the buried box type transformer as claimed in claim 6, wherein: a sealing component (7) is arranged in the foundation pit (1) at a position corresponding to the water inlet (60); the sealing assembly (7) comprises a cover plate and an air cylinder (71) of which the output end is fixedly connected with the cover plate and used for pushing the cover plate to control the opening and closing of the water inlet (60).
8. The water supply and drainage system of the buried box type transformer as claimed in claim 7, wherein: a sponge layer (8) is arranged on one surface of the water storage tank (6) deviating from the ground; a yielding groove (80) matched with the cover body (70) is arranged at the position, corresponding to the water inlet (60), on the surface, facing the water storage tank (6), of the sponge layer (8).
9. The water supply and drainage system of the underground box-type transformer as claimed in claim 8, wherein: one side of the sponge layer (8) departing from the water storage tank (6) is an inclined plane and is the same as the inclined angle of the slope (12), and the inclined plane of the sponge layer (8) is flush with the inclined plane of the slope (12).
10. The water supply and drainage system of the buried box type transformer as claimed in claim 6, wherein: be provided with humidifier (9) in foundation ditch (1) be provided with between humidifier (9) and storage water tank (6) with storage water tank (6) and water suction pump (17) of humidifier (9) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021852406.XU CN213329356U (en) | 2020-08-29 | 2020-08-29 | Water supply and drainage system of buried box type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021852406.XU CN213329356U (en) | 2020-08-29 | 2020-08-29 | Water supply and drainage system of buried box type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213329356U true CN213329356U (en) | 2021-06-01 |
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ID=76101120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021852406.XU Expired - Fee Related CN213329356U (en) | 2020-08-29 | 2020-08-29 | Water supply and drainage system of buried box type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213329356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922315A (en) * | 2021-10-15 | 2022-01-11 | 四川德胜集团钒钛有限公司 | Cable waterproof device |
-
2020
- 2020-08-29 CN CN202021852406.XU patent/CN213329356U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922315A (en) * | 2021-10-15 | 2022-01-11 | 四川德胜集团钒钛有限公司 | Cable waterproof device |
| CN113922315B (en) * | 2021-10-15 | 2023-01-24 | 四川德胜集团钒钛有限公司 | Cable waterproof device |
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| 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: 20210601 |