CN217720416U - Underground combined transformer of semi-buried transformer substation - Google Patents

Abstract

The utility model discloses a partly bury secret combination transformer of formula transformer substation, including the ground basic unit, the pit case has been buried underground to the inside of ground basic unit, the fixed block that is provided with in bottom of pit incasement wall, the upper surface activity of fixed block is provided with movable stabilizer blade. The utility model discloses a heat dissipation fan rotates and blows the heat dissipation to combination transformer body surface, hot-air accessible louvre is in time discharged, guarantee the radiating effect of combination transformer body, make combination transformer body unsettled at pit incasement portion through the activity stabilizer blade, prevent that a small amount of rainwater from flowing into pit incasement portion and causing the electric leakage with the contact of combination transformer body when heavy rainfall weather, start the small amount of rainwater of immersible pump work with pit bottom of the case portion in time to discharge when heavy rainfall weather, prevent that the liquid level from rising, arouse the incident, the louvre is the slope structure, can avoid the rainwater to get into pit incasement portion through the louvre when middle and small rainy weather, and waterproof nature is improved.

Description

Underground combined transformer of semi-buried transformer substation

Technical Field

The utility model relates to a transformer technical field specifically is an underground combined transformer of half formula of burying transformer substation.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system, the transformer substation in a power plant is a step-up transformer substation, and the step-up transformer substation is used for feeding electric energy generated by a generator into a high-voltage power grid after boosting the electric energy, and generally appears in the form of a box body, namely a transformer box, the transformer box is the box body of the place for converting, concentrating and distributing the voltage and the current of the electric energy in the electric power system, and the existing pre-installed transformer substation is installed in a city for ensuring the quality of the electric energy and the safety of equipment. However, with the acceleration of urban and rural modern construction progress, city construction has stepped into the urban beauty stage aiming at improving street view and city appearance, the traditional box-type substations are different in size, occupy the golden ground in the city, are not qualified with beautiful urban environments, and can generate noise during working to influence the rest of surrounding residents, so that buried substations gradually appear, and transformers are buried underground.

However, when the transformer is buried in a low ground, a sealed structure is often adopted for water resistance, and the sealed structure causes poor heat dissipation, so that heat cannot be removed when the transformer is used for a long time, and normal operation of the transformer is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an underground combination transformer of half formula of burying transformer substation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an underground combined transformer of half formula of burying transformer substation, includes the ground base layer, the pit case has been buried underground to the inside of ground base layer, the fixed block that is provided with in bottom of pit incasement wall, the upper surface activity of fixed block is provided with movable stabilizer blade, the fixed plate that is provided with in upper end of activity stabilizer blade, the upper surface of fixed plate is fixed combined transformer body and the connecting rod of being provided with respectively, the upper end activity of pit case is provided with sealed lid, the lower fixed surface of sealed lid is provided with the heat dissipation fan, the fixed immersible pump that is provided with in central point position of pit incasement wall bottom, the fixed drain pipe that is provided with of output of immersible pump, the louvre has not been seted up to the side surface of sealed lid and the upper end side surface of pit case equally divide, the upper surface of sealed lid is provided with the rings, the last fixed surface of transformer case is provided with the bill-board.

As a preferred scheme of the utility model, the spliced eye has been seted up to the upper surface of fixed block is vertical, and the lower extreme activity of activity stabilizer blade is pegged graft at the inner wall of spliced eye, the quantity of fixed block and activity stabilizer blade is four.

As a preferred scheme of the utility model, pit case and sealed lid are square structure, the louvre is higher than the louvre and keeps away from the one end of heat dissipation fan near the one end of heat dissipation fan, the quantity of louvre is eight groups, and the equal fixedly connected with metal separation net of inner wall of eight groups of louvres, there are four group's louvres setting in four sides of pit case upper end, remaining four groups in eight groups of louvres the louvre sets up four side surfaces at sealed lid.

As a preferred scheme of the utility model, the position of four louvres in pit case side surface corresponds with the position of four louvres in sealed lid side surface.

As a preferred scheme of the utility model, heat dissipation fan passes through wire electric connection with the transformer case, immersible pump and external controller electric connection, and external controller setting is inside the transformer case.

As a preferred scheme of the utility model, the pit case is the steel sheet welded forming's that adopts the board thick to be greater than or equal to 6mm full seal structure, the fixed top that runs through the pit case and extend to the ground basic unit of drain pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a heat dissipation fan rotates to blow the heat dissipation to the combined transformer body surface, hot-air accessible louvre in time discharges, guarantees the radiating effect of combined transformer body, makes its unsettled inside the pit case through the activity stabilizer blade, prevents that a small amount of rainwater from flowing into the pit case inside and causing the electric leakage with combined transformer body contact when heavy rainfall weather, starts immersible pump work when heavy rainfall weather and in time discharges a small amount of rainwater of pit bottom of the case portion, prevents that the liquid level from rising, arouses the incident, the louvre is the slope structure, can avoid the rainwater to get into the well incasement portion through the louvre when rainy weather, improve waterproof nature;

2. the utility model discloses still can upwards hoist sealed lid simultaneously through rings to upwards take out combined transformer body, maintain combined transformer body, will seal the lid lock in pit case upper end through hoisting accessory when the maintenance finishes, the stabilizer blade that moves about this moment is pegged graft and is realized fixed block and activity stabilizer blade high-speed joint in the spliced eye, through the metal separation net can prevent external reptile, mouse and other impurity from entering into pit incasement portion through the louvre, avoid arousing safe stealthy.

Drawings

Fig. 1 is a front sectional view of the underground combined transformer of the semi-buried substation of the present invention;

fig. 2 is a schematic view of the structure of the heat dissipation holes and the metal partition net of the underground combined transformer of the semi-buried substation of the present invention;

fig. 3 is the utility model relates to a half buries underground combined transformer spliced eye structural schematic of formula transformer substation.

In the figure: 1. a ground layer; 2. a pit box; 3. a fixed block; 4. a movable leg; 5. a fixing plate; 6. a combined transformer body; 7. a connecting rod; 8. a sealing cover; 9. heat dissipation holes; 10. a metal screen; 11. a heat dissipation fan; 12. a submersible pump; 13. a drain pipe; 14. a power transformation box; 15. a hoisting ring; 16. inserting holes; 17. a billboard.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an underground combined transformer of half-buried transformer substation, including ground base layer 1, ground base layer 1's inside has buried pit case 2 underground, the fixed block 3 that is provided with in bottom of 2 inner walls in pit case, the upper surface activity of fixed block 3 is provided with movable stabilizer blade 4, the fixed plate 5 that is provided with in upper end of activity stabilizer blade 4, the fixed combined transformer body 6 and the connecting rod 7 that are provided with respectively of upper surface of fixed plate 5, the upper end activity of pit case 2 is provided with sealed lid 8, the lower fixed surface of sealed lid 8 is provided with heat dissipation fan 11, the fixed immersible pump 12 that is provided with in central point of 2 inner walls in pit case bottom, the fixed drain pipe 13 that is provided with of output of immersible pump 12, louvre 9 has been seted up respectively to the side surface of sealed lid 8 and the upper end side surface of pit case 2, the fixed surface that the upper surface of sealed lid 8 is provided with sealed lid 14 of transformer case is provided with rings 15, the fixed surface of transformer case 14 is provided with bill-board 17.

The vertical spliced eye 16 of having seted up of upper surface of fixed block 3, and the lower extreme activity of activity stabilizer blade 4 is pegged graft at the inner wall of spliced eye 16, and fixed block 3 and the quantity of activity stabilizer blade 4 are four, play even supporting role to the dead lever through four activity stabilizer blades 4, can realize the quick location of activity stabilizer blade 4 through spliced eye 16.

Pit case 2 and sealed lid 8 are square structure, the one end that louvre 9 is close to heat dissipation fan 11 is higher than louvre 9 and keeps away from the one end of heat dissipation fan 11, can prevent that well small rainy day gas rainwater from flowing into the inside of pit case 2 through louvre 9, the quantity of louvre 9 is eight groups, and the equal fixedly connected with metal of the inner wall of eight groups of louvre 9 separates net 10, there are four groups of louvres 9 of four groups in eight groups of louvres 9 to set up four sides in pit case 2 upper end, remaining four groups of louvres 9 set up four side surfaces at sealed lid 8, dispel the heat through four faces, the radiating speed is improved.

The positions of the four groups of heat dissipation holes 9 on the side surface of the pit box 2 correspond to the positions of the four groups of heat dissipation holes 9 on the side surface of the sealing cover 8, so that when the sealing cover 8 is buckled at the upper end of the pit box 2, the heat dissipation holes 9 on the side surface of the sealing cover 8 coincide with the heat dissipation holes 9 on the side surface of the pit box 2, and hot air is exhausted out of the pit box 2.

Heat dissipation fan 11 passes through wire electric connection with transformer case 14, supply power to heat dissipation fan 11 through transformer case 14, make it rotate and dispel the heat to combination transformer body 6, immersible pump 12 and external controller electric connection, and the external controller setting is inside transformer case 14, accessible controller opens immersible pump 12 and in time discharges the ponding of pit case 2 inside when heavy rainfall weather, prevent that its gathering from causing the liquid level to rise, contact combination transformer body 6, arouse the incident.

Pit case 2 is for adopting the steel sheet welding forming's that the board thickness is greater than or equal to 6mm full seal structure, ensures that surface water and other debris can not get into in the pit, and drain pipe 13 is fixed to run through pit case 2 and extends to the top of foundation layer 1 and avoids the discharged water to flow back inside pit case 2.

The working principle is as follows: when using, the utility model discloses a heat dissipation fan 11 starts along with it at the during operation of composite transformer body 6, rotate through heat dissipation fan 11 and blow the heat dissipation to composite transformer body 6 surface, hot-air accessible louvre 9 in time discharges, guarantee composite transformer body 6's radiating effect, can support composite transformer body 6 through activity stabilizer blade 4, make it unsettled inside pit case 2, separate the sky with the bottom of pit case 2 inner wall, prevent that a small amount of rainwater from flowing into pit case 2 inside through louvre 9 and causing the electric leakage with composite transformer body 6 lower extreme contact when heavy rainfall weather, arouse the incident, start 12 work of immersible pump and pass through drain pipe 13 in time discharges the louvre with a small amount of rainwater of pit case 2 bottom when heavy rainfall weather, prevent the liquid level and rise, cause the electric leakage condition, the utility model discloses a louvre 9 and heat dissipation fan 11 in time dispel the heat to composite transformer body 6, louvre 9 is the slope structure, can avoid the rainwater to get into inside pit case 2 through 9 when middle and small rain weather, improve waterproof nature. The utility model discloses a still can be with 8 upsets of sealed lid through rings 15, and take out combined transformer body 6 upwards, maintain combined transformer body 6, will seal 8 locks of lid in pit case 2 upper ends through hoisting accessory when maintaining finishing, activity stabilizer blade 4 is pegged graft this moment and is realized fixed block 3 and 4 high-speed joint of activity stabilizer blade in spliced eye 16, can prevent external reptile through metal spacer net 10, mouse and other impurity enter into pit case 2 insidely through louvre 9, avoid arousing the potential safety hazard.

It is noted that, herein, 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, the terms "comprises," "comprising," or any other variation thereof, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an underground combined transformer of half-buried transformer substation, includes ground basic unit (1), its characterized in that: pit case (2) have been buried underground to the inside of ground basic unit (1), the fixed block (3) that is provided with in bottom of pit case (2) inner wall, the upper surface activity of fixed block (3) is provided with movable stabilizer blade (4), the fixed plate (5) that is provided with in upper end of activity stabilizer blade (4), the upper surface of fixed plate (5) is fixed respectively and is provided with combination transformer body (6) and connecting rod (7), the upper end activity of pit case (2) is provided with sealed lid (8), the lower fixed surface of sealed lid (8) is provided with heat dissipation fan (11), the fixed immersible pump (12) that is provided with in central point of pit case (2) inner wall bottom, the fixed drain pipe (13) that is provided with of output of immersible pump (12), respectively seted up side surface and the upper end side surface of pit case (2) of sealed lid (8), the upper surface of sealed lid (8) is provided with becomes electronic box (14) the fixed surface of sealed lid (8) is provided with rings (15), the fixed bill-board (17) that is provided with in upper surface of becoming electronic box (14).

2. The underground combined transformer of the semi-buried substation according to claim 1, wherein: the upper surface of the fixing block (3) is vertically provided with a splicing hole (16), the lower ends of the movable support legs (4) are movably spliced on the inner wall of the splicing hole (16), and the number of the fixing block (3) and the number of the movable support legs (4) are four.

3. An underground combined transformer of a semi-buried substation according to claim 1, characterized in that: pit case (2) and sealed lid (8) are square structure, the one end that louvre (9) are close to heat dissipation fan (11) is higher than louvre (9) and keeps away from the one end of heat dissipation fan (11), the quantity of louvre (9) is eight groups, and the equal fixedly connected with metal of the inner wall of eight groups louvre (9) separates net (10), there are four groups of louvre (9) in eight groups of louvre (9) and set up four sides in pit case (2) upper end, and remaining four groups louvre (9) set up four side surfaces at sealed lid (8).

4. An underground combined transformer of a semi-buried substation according to claim 3, characterized in that: the positions of the four groups of heat dissipation holes (9) on the side surface of the pit box (2) correspond to the positions of the four groups of heat dissipation holes (9) on the side surface of the sealing cover (8).

5. An underground combined transformer of a semi-buried substation according to claim 1, characterized in that: the heat dissipation fan (11) is electrically connected with the power transformation box (14) through a lead, the submersible pump (12) is electrically connected with the external controller, and the external controller is arranged inside the power transformation box (14).

6. An underground combined transformer of a semi-buried substation according to claim 1, characterized in that: the pit box (2) is a full-sealing structure formed by welding steel plates with the plate thickness of more than or equal to 6mm, and the drain pipe (13) fixedly penetrates through the pit box (2) and extends to the upper side of the foundation layer (1).

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