CN220605267U - Box-type substation and substation box - Google Patents

Abstract

The utility model provides a box-type transformer substation and a transformer substation box body, wherein the box-type transformer substation comprises: the transformer, the low-voltage cabinet and the high-voltage cabinet are all arranged in the box body, and the box body comprises a base, a cover body and a side shell arranged between the base and the cover body; the base is provided with an air inlet; the cover body is provided with chamber of airing exhaust, apopore and radiator fan, radiator fan the chamber of airing exhaust with the apopore communicates in proper order, and radiator fan with box inner chamber intercommunication, radiator fan can order about the air current follow the box inner chamber flows in the chamber of airing exhaust and through the apopore outwards discharges, has solved rainwater impurity and has entered into the case through the ventilation hole easily and become in, has reduced the technical problem of the registration of the protection of case and become.

Description

Box-type substation and substation box

Technical Field

The utility model relates to the technical field of power equipment, in particular to a box-type transformer substation and a transformer substation box body.

Background

The box-type transformer substation is a preassembled transformer substation in which a transformer and a high-low voltage cabinet are placed in a box-type transformer substation shell. In the case transformer shell, the transformer and the high-low voltage cabinet can generate heat during working, so ventilation and heat dissipation are needed. The ventilation holes are formed in the periphery of the shell of the box-type transformer substation and the louver is arranged for ventilation so as to dissipate heat, meanwhile, the axial flow fan is installed, when the temperature reaches a set value, the axial flow fan is started, hot air in the box-type transformer substation is discharged through the louver, and the ventilation and heat dissipation functions are enhanced. However, rainwater and dust are liable to penetrate through gaps in the louver and the vent hole, resulting in an unsatisfactory level of protection of the case-change housing. Dust-proof cotton is additionally arranged on the shutter net, so that dust can be prevented, but the shutter net also needs to be cleaned regularly.

Disclosure of Invention

The utility model aims to provide a box-type transformer substation and a transformer substation box body, so as to solve the technical problem that rainwater impurities easily enter the box-type transformer substation through vent holes, and reduce the registration of protection of the box-type transformer substation.

The above object of the present utility model can be achieved by the following technical solutions:

the utility model provides a box-type substation, comprising: the transformer, the low-voltage cabinet and the high-voltage cabinet are all arranged in the box body, and the box body comprises a base, a cover body and a side shell arranged between the base and the cover body; the base is provided with an air inlet; the cover body is provided with a ventilation cavity, an air outlet and a heat dissipation fan, wherein the heat dissipation fan is sequentially communicated with the air outlet, the heat dissipation fan is communicated with the inner cavity of the box body, and the heat dissipation fan can drive air flow to flow into the ventilation cavity from the inner cavity of the box body and be discharged outwards through the air outlet.

In a preferred embodiment, the cover body has a double-layer structure, and the exhaust cavity is formed in the double-layer structure.

In a preferred embodiment, the cover body comprises a hanging plate and a top cover arranged above the hanging plate, and the exhaust cavity is formed between the hanging plate and the top cover.

In a preferred embodiment, the cover body comprises a left-right distributed top cover frame, and the left side and the right side of the top cover are respectively connected with the hanging plate through the top cover frame.

In a preferred embodiment, a ventilation plate is arranged between the top cover frame and the hanging plate, and the ventilation plate is provided with the air outlet.

In a preferred embodiment, the ventilation board includes a first portion and a second portion, the first portion is connected to the hanger plate, the second portion is connected to the top cover frame, the second portion is at least partially located below the first portion, and the air outlet is provided in the second portion.

In a preferred embodiment, the second portion is located above the lower bottom of the top cover frame.

In a preferred embodiment, the air outlet is vertically provided in the ventilation board.

In a preferred embodiment, the top cover comprises a first top plate, a second top plate, a cover plate and a middle ridge, wherein the first top plate and the second top plate are distributed along the left-right direction at intervals, the first top plate is inclined upwards from left to right, and the second top plate is inclined upwards from right to left; the cover plate is arranged above the first top plate and the second top plate and is fixedly connected with the first top plate and the second top plate respectively, and the middle ridge is arranged below the first top plate and the second top plate and is fixedly connected with the second top plate respectively.

In a preferred embodiment, the hanger plate includes a first sub plate, a middle plate, and a second sub plate distributed in a longitudinal direction, and a plurality of the heat dissipation fans are mounted to the middle plate.

In a preferred embodiment, the air inlet on the base is arranged vertically; and, the air intake on the base includes: the transformer comprises a transformer body, a transformer and a low-voltage cabinet, wherein the transformer body is provided with a first air inlet arranged below the transformer, a second air inlet arranged below the low-voltage cabinet, a third air inlet arranged below the high-voltage cabinet, and the second air inlet and the third air inlet are respectively arranged on two sides of the first air inlet.

The utility model provides a transformer substation box body which is used for the box-type transformer substation, and comprises a base, a cover body and a side shell arranged between the base and the cover body; the base is provided with an air inlet; the cover body is provided with a ventilation cavity, an air outlet and a heat dissipation fan, wherein the heat dissipation fan is sequentially communicated with the air outlet, the heat dissipation fan is communicated with the inner cavity of the box body, and the heat dissipation fan can drive air flow to flow into the ventilation cavity from the inner cavity of the box body and be discharged outwards through the air outlet.

The utility model has the characteristics and advantages that:

when the box-type transformer substation needs to dissipate heat, power is provided by the heat dissipation fan, external cold air is driven to enter the inner cavity of the box body from the air inlet of the base and flows upwards into the exhaust cavity of the cover body, and then is exhausted through the air outlet, so that ventilation and heat dissipation are realized. The box-type transformer substation enables the ventilation mode to be changed from ventilation all around into ventilation from the bottom of the box-type transformer substation to exhaust upwards, and air flow in the box body firstly enters into the exhaust cavity of the cover body, so that the air flow is more gentle and balanced, the heat dissipation effect is improved, small particle impurities are prevented from entering into the inner cavity of the box body, and the protection effect is achieved on equipment in the box body more effectively. The box-type transformer substation omits the ventilation shutter on the periphery of the box body, avoids the defect that dust is easy to enter the box body by ventilation on the periphery, and can realize better heat dissipation effect under the condition of ensuring the protection level of the box body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a box body in a box-type substation provided by the utility model;

fig. 2 is a partial cross-sectional view of a cover in a box-type substation provided by the utility model;

fig. 3 is a schematic structural view of a ventilation board in a box-type substation provided by the utility model;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

fig. 5 is a schematic view of a sinking structure of a cover in a box-type substation provided by the utility model;

FIG. 6 is a partial enlarged view at B in FIG. 2;

fig. 7 is a bottom view of a cover in a box-type substation provided by the utility model;

fig. 8 is a schematic structural view of a base in a box-type substation provided by the utility model.

Reference numerals illustrate:

10. a base; 11. an air inlet; 111. a first air inlet; 112. a second air inlet; 113. a third air inlet; 12. a manhole;

20. a cover body; 21. an exhaust cavity; 22. an air outlet hole; 23. a heat radiation fan;

30. a hanger plate; 31. a first split plate; 32. a second division plate; 33. an intermediate plate;

40. a top cover; 41. a first top plate; 42. a second top plate; 43. a cover plate; 44. a middle ridge;

50. a top cover frame;

60. a ventilation board; 61. a first section; 62. a second section;

70. a side case;

80. an inner cavity of the box body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Scheme one

The utility model provides a box-type substation, comprising: the transformer, the low-voltage cabinet and the high-voltage cabinet are all arranged in the box body, and as shown in fig. 1, the box body comprises a base 10, a cover 20 and a side shell 70 arranged between the base 10 and the cover 20; the base 10 is provided with an air inlet 11; as shown in fig. 2, the cover 20 is provided with an exhaust cavity 21, an air outlet 22 and a heat dissipation fan 23, the exhaust cavity 21 and the air outlet 22 are sequentially communicated, the heat dissipation fan 23 is communicated with the box cavity 80, and the heat dissipation fan 23 can drive air flow to flow into the exhaust cavity 21 from the box cavity 80 and be discharged outwards through the air outlet 22.

When the box-type transformer substation needs to dissipate heat, the heat dissipation fan 23 provides power to drive external cold air to enter the box inner cavity 80 from the air inlet 11 of the base 10, and flow upwards into the air exhaust cavity 21 of the cover 20, and then are exhausted through the air outlet hole 22, so that ventilation and heat dissipation are realized. The box-type transformer substation enables ventilation mode to be changed from ventilation all around to upward exhaust from the bottom of the box-type transformer substation, and air flow in the box body firstly enters into the exhaust cavity 21 of the cover body 20, so that the air flow is more gentle and balanced, the heat dissipation effect is improved, small particle impurities are prevented from entering into the inner cavity 80 of the box body, and the protection effect on equipment in the box body is achieved more effectively.

The box-type transformer substation omits the ventilation shutter on the periphery of the box body, avoids the defect that dust is easy to enter the box body by ventilation on the periphery, and can realize better heat dissipation effect under the condition of ensuring the protection level of the box body.

In an embodiment, the cover 20 has a double-layer structure, the exhaust cavity 21 is formed in the double-layer structure, on one hand, the strength of the cover 20 is improved, on the other hand, the shape of the exhaust cavity 21 is made to be close to the shape of the coverage area of the cover 20, the volume of the exhaust cavity 21 is enlarged, and the shape of the exhaust cavity 21 approximately covers the box inner cavity 80. As shown in fig. 2, the cover 20 includes a hanging plate 30 and a top cover 40 disposed above the hanging plate 30, and the exhaust chamber 21 is formed between the hanging plate 30 and the top cover 40, and the hanging plate 30 and the top cover 40 are spaced from each other from bottom to bottom, so as to form the exhaust chamber 21 therebetween.

Further, the cover body 20 includes a left and right cover frame 50, and left and right sides of the top cover 40 are connected to the hanger plate 30 through the cover frame 50, respectively. Specifically, the left side of the top cover 40 is connected to the top cover frame 50 located at the left side, the right side of the top cover 40 is connected to the top cover frame 50 located at the right side, and the hanger plate 30 is located between the two top cover frames 50.

As shown in fig. 4, a ventilation plate 60 is provided between the roof frame 50 and the hanger plate 30, the ventilation plate 60 is provided with an air outlet 22, the roof frame 50 is connected to the ventilation plate 60, the hanger plate 30 is also connected to the ventilation plate 60, and the roof 40, the right roof frame 50, the right ventilation plate 60, the hanger plate 30, the left ventilation plate 60 and the left roof frame 50 are sequentially connected to each other and surround the air exhaust chamber 21.

In an embodiment, the ventilation board 60 includes a first portion 61 and a second portion 62, as shown in fig. 3 and 4, where the first portion 61 is connected to the hanger board 30, the second portion 62 is connected to the top cover frame 50, and the second portion 62 is at least partially located below the first portion 61, and the air outlet 22 is disposed in the second portion 62, so that the cover 20 forms a submerged structure, specifically, the first portion 61 may be in sealing fit with the top surface of the side casing 70, the second portion 62 is located outside the side casing 70, and the air flow in the box enters the air exhaust cavity 21 and is then exhausted through the air outlet 22 on the second portion 62.

The bottom of the top cover frame 50 is located outside the ventilation board 60, the bottom of the top cover frame 50 is located outside the side casing 70, and further, the second portion 62 is located above the bottom of the top cover frame 50, that is, the bottom of the top cover frame 50 is located below the ventilation board 60, and the top cover frame 50 has a submerged structure as shown in fig. 5, so that rainwater is prevented from entering the inside of the top cover 40 of the box transformer substation through the air outlet holes 22 in the ventilation board 60.

As shown in fig. 3 and 4, the air outlet 22 is vertically disposed on the ventilation board 60, and since the ventilation board 60 is located at the lower side of the top cover 40, the opening of the air outlet 22 is downward, the air flow in the air exhaust cavity 21 flows downward in the direction of being exhausted through the air outlet 22, the air flow turns in the air exhaust cavity 21, the temperature of the air flow in the box is higher, the air flow is facilitated to uniformly flow out through each air outlet 22, dust and impurities are reduced to stay on the air outlet 22, and the air flow exhausted outside can blow away the impurities. Preferably, the plurality of air outlet holes 22 are spaced longitudinally of the second portion 62.

Further, the top cover 40 includes a first top plate 41, a second top plate 42, a cover plate 43, and a middle ridge 44, as shown in fig. 6, the first top plate 41 and the second top plate 42 are distributed in a left-right direction and are spaced apart, and the first top plate 41 is inclined upward from left to right, and the second top plate 42 is inclined upward from right to left; the cover plate 43 is arranged above the first top plate 41 and the second top plate 42 and is fixedly connected with each other respectively, the middle ridge 44 is arranged below the first top plate 41 and the second top plate 42 and is fixedly connected with each other respectively, the manufacturing difficulty of the top cover 40 is reduced, the assembly of the cover body 20 is facilitated, the volume of the exhaust cavity 21 is enlarged, and the strength of the top cover 40 is enhanced.

In one embodiment, as shown in fig. 7, the hanger plate 30 includes a first sub-plate 31, a middle plate 33 and a second sub-plate 32 distributed in a longitudinal direction, the plurality of heat dissipation fans 23 are mounted on the middle plate 33, and the first sub-plate 31, the second sub-plate 32 and the middle plate 33 are connected to the top cover frame 50 through ventilation plates 60, respectively, to facilitate assembly; the plurality of heat dissipation fans 23 are concentrated on the middle plate 33 and uniformly distributed on the middle plate 33, so that the air flow in the box body can be driven to smoothly flow into the air exhaust cavity 21.

In one embodiment, the air inlet 11 on the base 10 is disposed vertically; also, the air inlet 11 on the base 10 includes: the first air inlet 111 arranged below the transformer, the second air inlet 112 arranged below the low-voltage cabinet, the third air inlet 113 arranged below the high-voltage cabinet, the second air inlet 112 and the third air inlet 113 are respectively arranged on two sides of the first air inlet 111, and the ventilation and heat dissipation effects on the low-voltage cabinet, the high-voltage cabinet and the transformer are effectively guaranteed, as shown in fig. 8. The base 10 is also provided with a manhole 12.

Except for the air outlet hole 22 and the air inlet hole, the cover body 20, the side shell 70 and the base 10 form a closed environment, hot air in the box transformer substation is circulated into the cover body 20 through the heat radiation fan 23, and then the hot air is circulated to the outside of the box transformer substation through the air outlet hole 22 on the ventilating plate 60, so that the ventilation and heat radiation functions of the box transformer substation are realized, ventilation and heat radiation are independent of opening of a ventilation shutter, the side shell 70 does not need to be provided with a shutter, and the integral protection level of the box transformer substation is improved. The case may be a metal case, i.e., the main materials of the cover 20, the side case 70, and the base 10 are metal. The box-type substation can be used for distribution box transformer substation or new energy box transformer substation and the like.

Scheme II

The utility model provides a transformer substation box body which is used for the box-type transformer substation and comprises a base 10, a cover 20 and a side shell 70 arranged between the base 10 and the cover 20; the base 10 is provided with an air inlet 11; the cover body 20 is provided with an exhaust cavity 21, an air outlet 22 and a heat dissipation fan 23, the exhaust cavity 21 and the air outlet 22 are sequentially communicated, the heat dissipation fan 23 is communicated with the box inner cavity 80, and the heat dissipation fan 23 can drive air flow to flow into the exhaust cavity 21 from the box inner cavity 80 and be discharged outwards through the air outlet 22.

When the box-type transformer substation needs to dissipate heat, the heat dissipation fan 23 provides power to drive external cold air to enter the box inner cavity 80 from the air inlet 11 of the base 10, and flow upwards into the exhaust cavity of the cover body 20, and then are exhausted through the air outlet hole 22, so that ventilation and heat dissipation are realized. The ventilation mode is changed from ventilation all around into upwards exhausting by the bottom of the box transformer, and the air flow in the box body firstly enters into the exhaust cavity 21 of the cover body 20, so that the air flow is more gentle and balanced, the heat dissipation effect is improved, small particle impurities are prevented from entering into the inner cavity 80 of the box body, and the protection effect on equipment in the box body is more effectively achieved. The wind shutter is omitted around the box body, the defect that dust is easy to carry in the box body due to ventilation around the box body is avoided, and a good radiating effect can be achieved under the condition of ensuring the protection level of the box body.

The foregoing is merely a few embodiments of the present utility model and those skilled in the art may make various modifications or alterations to the embodiments of the present utility model in light of the disclosure herein without departing from the spirit and scope of the utility model.

Claims (12)

1. A box-type substation, characterized by comprising: the transformer, the low-voltage cabinet and the high-voltage cabinet are all arranged in the box body, and the box body comprises a base, a cover body and a side shell arranged between the base and the cover body;

the base is provided with an air inlet;

the cover body is provided with a ventilation cavity, an air outlet and a heat dissipation fan, wherein the heat dissipation fan is sequentially communicated with the air outlet, the heat dissipation fan is communicated with the inner cavity of the box body, and the heat dissipation fan can drive air flow to flow into the ventilation cavity from the inner cavity of the box body and be discharged outwards through the air outlet.

2. The box-type substation according to claim 1, characterized in that,

the cover body is of a double-layer structure, and the exhaust cavity is formed in the double-layer structure.

3. The box-type substation according to claim 2, characterized in that,

the cover body comprises a hanging plate and a top cover arranged above the hanging plate, and the exhaust cavity is formed between the hanging plate and the top cover.

4. The box-type substation according to claim 3, wherein,

the cover body comprises a left cover frame and a right cover frame which are distributed left and right, and the left side and the right side of the top cover are respectively connected with the hanging plate through the top cover frames.

5. The box-type substation according to claim 4, wherein,

and a ventilation plate is arranged between the top cover frame and the hanging plate, and the ventilation plate is provided with the air outlet.

6. The box-type substation according to claim 5, wherein,

the ventilating plate comprises a first portion and a second portion, the first portion is connected with the hanging plate, the second portion is connected with the top cover frame, the second portion is at least partially located below the first portion, and the air outlet is formed in the second portion.

7. The box-type substation according to claim 6, wherein,

the second portion is located above the lower bottom of the top cover frame.

8. The box-type substation according to claim 5, wherein,

the air outlet holes are vertically formed in the ventilating plate.

9. The box-type substation according to claim 3, wherein,

the top cover comprises a first top plate, a second top plate, a cover plate and a middle ridge, wherein the first top plate and the second top plate are distributed along the left-right direction at intervals, the first top plate is inclined upwards from left to right, and the second top plate is inclined upwards from right to left;

the cover plate is arranged above the first top plate and the second top plate and is fixedly connected with the first top plate and the second top plate respectively,

the middle ridge is arranged below the first top plate and the second top plate and is fixedly connected with the first top plate and the second top plate respectively.

10. The box-type substation according to claim 3, wherein,

the hanger plate includes first minute board, intermediate lamella and the second minute board of following longitudinal distribution, a plurality of cooling fan install in the intermediate lamella.

11. The box-type substation according to claim 1, characterized in that,

the air inlet on the base is vertically arranged; and, the air intake on the base includes:

a first air inlet arranged below the transformer,

a second air inlet arranged below the low-voltage cabinet,

a third air inlet arranged below the high-voltage cabinet,

the second air inlet and the third air inlet are respectively arranged at two sides of the first air inlet.

12. A substation box, characterized in that it is used in the box-type substation of any one of claims 1-11, the substation box comprises a base, a cover and a side housing arranged between the base and the cover;

the base is provided with an air inlet;

the cover body is provided with a ventilation cavity, an air outlet and a heat dissipation fan, wherein the heat dissipation fan is sequentially communicated with the air outlet, the heat dissipation fan is communicated with the inner cavity of the box body, and the heat dissipation fan can drive air flow to flow into the ventilation cavity from the inner cavity of the box body and be discharged outwards through the air outlet.