CN216641022U - Integrated outer wall of transformer substation based on chimney effect and assembled transformer substation - Google Patents
Integrated outer wall of transformer substation based on chimney effect and assembled transformer substation Download PDFInfo
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- CN216641022U CN216641022U CN202123114932.3U CN202123114932U CN216641022U CN 216641022 U CN216641022 U CN 216641022U CN 202123114932 U CN202123114932 U CN 202123114932U CN 216641022 U CN216641022 U CN 216641022U
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- 238000005265 energy consumption Methods 0.000 abstract description 7
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 230000009466 transformation Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
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Abstract
The utility model provides a chimney effect-based integrated external wall of a transformer substation and an assembled transformer substation, belonging to the technical field of power transmission and transformation equipment, comprising an air inlet window arranged at the lower part of a prefabricated wall body, a ventilation channel communicated with the external atmosphere of the transformer substation is arranged in the prefabricated wall body along the height direction of the prefabricated wall body, the air inlet window is communicated with the ventilation channel, an air outlet is arranged at the upper part of the prefabricated wall body and faces to the inner side of the transformer substation chamber, and the air outlet is communicated with the ventilation channel; according to the integrated outer wall of the transformer substation based on the chimney effect, the air flow passing through the air inlet window is divided into two paths, one path of air flow enters the interior of the transformer substation and forms convection with the air flow entering from the prefabricated wall body opposite to the transformer substation, the other path of air flow flows upwards along the ventilation channel, so that the hot air flowing upwards in the transformer substation flows through the air outlet and is discharged from the ventilation channel, and the flowing speed of the air flow is improved through the arranged ventilation channel, so that the indoor heat exchange efficiency can be improved, the ventilation and heat dissipation effects in the interior of the transformer substation are improved, and the energy consumption of an air conditioner can be reduced.
Description
Technical Field
The utility model belongs to the technical field of power transmission and transformation equipment, and particularly relates to a chimney effect-based integrated outer wall of a transformer substation and an assembled transformer substation.
Background
The national grid company carries out the concept of 'factory processing, standardized prefabrication and modular construction' in the construction of the transformer substation, and the outer wall of the transformer substation building adopts an assembled wallboard. The transformer substation generally consists of a high-pressure chamber, a transformation chamber and a low-pressure chamber, and because the equipment room needs to be kept at 20-30 ℃ for a long time, the heat dissipation capacity of the equipment is large, the room temperature is high, and the ventilation and heat dissipation problems of the transformer substation are necessary guarantee for the safe operation of electrical equipment. Wallboard ventilation is poor and requires field work.
In the prior art, all assembled substations use forced air cooling as a main part and natural air cooling as an auxiliary part, for example, air conditioners are used for cooling. The air conditioning equipment consumes more energy, wastes energy and has higher cost; on the other hand, refrigerants such as freon are likely to cause environmental pollution, and are not environmentally friendly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a transformer substation integrated outer wall based on a chimney effect, which can improve the indoor ventilation and heat dissipation effects of a transformer substation and reduce energy consumption.
In order to achieve the above object, in a first aspect, an embodiment of the present invention provides an integrated external wall of a substation based on a chimney effect, including: the prefabricated wall body is provided with an air inlet window at the lower part, a ventilation channel communicated with the external atmosphere of the transformer substation is arranged in the prefabricated wall body along the height direction of the prefabricated wall body, the air inlet window is communicated with the ventilation channel, an air outlet is formed in the upper part of the prefabricated wall body and faces the inner side of the transformer substation chamber, and the air outlet is communicated with the ventilation channel; the air flow passing through the air inlet window is divided into two paths, one path of air flow enters the interior of the transformer substation, convection is formed between the air flow and the air flow entering from the prefabricated wall body opposite to the transformer substation, and the other path of air flow flows upwards along the ventilation duct, so that the hot air flowing upwards in the transformer substation flows through the air outlet and is discharged from the ventilation duct.
In a possible implementation manner of the first aspect, the prefabricated wall body is provided with a parapet wall extending beyond a roof of the substation, and the air outlet of the air duct is arranged on the inner side of the parapet wall.
In a possible implementation manner of the first aspect, the air outlet is circular or rectangular, and the air outlet is provided with a wire mesh.
In a possible implementation manner of the first aspect, a cross-sectional shape of the air duct in the horizontal direction is a rectangular structure.
In a possible implementation manner of the first aspect, the length of the ventilation channel is consistent with the length of the air inlet window along the horizontal direction.
In a possible implementation manner of the first aspect, the prefabricated wall body includes an inner wall body, an interlayer wall body and an outer wall body, the air inlet window includes an air inlet shutter arranged on the outer wall body and the inner wall body, the ventilation duct is arranged on the interlayer wall body, and the air outlet is arranged on the inner wall body.
In a possible implementation manner of the first aspect, the inner wall is a fireproof structure, and the interlayer wall is a heat-insulating structure.
In a possible implementation manner of the first aspect, the air outlet is provided with an air outlet shutter.
In a possible implementation manner of the first aspect, the lower portion of the prefabricated wall body is provided with a plurality of air inlet windows, correspondingly, a plurality of ventilation ducts are arranged in the prefabricated wall body, and the upper portion of the prefabricated wall body is provided with a plurality of air outlets.
In a second aspect, an embodiment of the present invention provides an assembled substation, including the integrated substation external wall based on the chimney effect.
The integrated transformer substation outer wall based on the chimney effect has the advantages that: compared with the prior art, the integrated outer wall of the transformer substation based on the chimney effect directly arranges the ventilation channel in the prefabricated wall body by utilizing the chimney effect, the bottom of the prefabricated wall body is provided with the air inlet window, the upper part of the prefabricated wall body faces the interior of the transformer substation and is provided with the air outlet, the air flow is divided into two paths through the air inlet window, one path of air flow enters the interior of the transformer substation and forms convection with the air flow entering from the prefabricated wall body opposite to the transformer substation, and the other path of air flow flows upwards along the ventilation channel, so that the hot air flowing upwards in the transformer substation flows through the air outlet and is discharged from the ventilation channel.
The air inlet window that this embodiment set up provides the condition of flowing for the indoor hot-blast of transformer substation, and the cold air stream that gets into the transformer substation and indoor heat exchange heat back, hot gas flow upflow joins with the air current of ventiduct in air outlet department, discharges from the ventiduct, through the ventiduct that sets up, has improved the speed that the air current flows to can improve indoor heat exchange's efficiency, improve the radiating effect of the indoor ventilation of transformer substation, thereby can reduce the energy consumption of air conditioner.
According to the assembled transformer substation provided by the embodiment of the utility model, the prefabricated wall boards are adopted as the outer walls on the periphery, so that the indoor heat exchange efficiency can be improved, the indoor ventilation and heat dissipation effects of the transformer substation can be improved, and the energy consumption of an air conditioner can be reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an internal structure of an integrated external wall of a transformer substation based on a chimney effect, which is adopted in an embodiment of the present invention;
FIG. 2 is a schematic view of an airflow flowing structure of an integrated outer wall of a transformer substation based on a chimney effect, which is adopted in the embodiment of the utility model;
FIG. 3 is a first schematic external structural diagram of the integrated substation outer wall based on the chimney effect shown in FIG. 1;
fig. 4 is a schematic diagram of an external structure of the integrated substation outer wall based on the chimney effect shown in fig. 1.
In the figure: 1. an air inlet window; 2. prefabricating a wall body; 21. an outer wall body; 22. an inner wall; 3. an air duct; 4. An air outlet; 5. a parapet wall; 51. an air outlet; 6. and (4) a substation roof.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1 to 4, a specific embodiment of the integrated substation exterior wall based on the chimney effect includes a prefabricated wall 2, an air inlet window 1 is disposed at a lower portion of the prefabricated wall 2, an air duct 3 communicated with the external atmosphere of the substation is disposed in the prefabricated wall 2 along a height direction of the prefabricated wall, the air inlet window 1 is communicated with the air duct 3, an air outlet 4 is disposed at an upper portion of the prefabricated wall 2 and facing an inner side of a substation chamber, and the air outlet 4 is communicated with the air duct 3; the air flow passing through the air inlet window 1 is divided into two paths, one path of air flow enters a substation chamber and forms convection with the air flow entering from the prefabricated wall body 2 opposite to the substation, and the other path of air flow flows upwards along the ventilation duct 3, so that the upwards flowing hot air in the substation flows through the air outlet 4 and is discharged from the ventilation duct 3.
Compared with the prior art, the integrated outer wall of the transformer substation based on the chimney effect is characterized in that as shown in fig. 1-2, a ventilation duct 3 is directly arranged in a prefabricated wall body 2 by utilizing the chimney effect, an air inlet window 1 is arranged at the bottom of the prefabricated wall body 2, an air outlet 4 is arranged at the upper part of the prefabricated wall body facing the interior of the transformer substation, air flow is divided into two paths through the air inlet window 1, one path of air flow enters the interior of the transformer substation and forms convection with the air flow entering from the prefabricated wall body 2 opposite to the transformer substation, and the other path of air flow flows upwards along the ventilation duct 3, so that hot air flowing upwards in the transformer substation flows through the air outlet 4 and is discharged from the ventilation duct 3.
The air inlet window 1 that this embodiment set up provides the condition of flowing for the indoor hot-blast of transformer substation, and the cold air stream that gets into the transformer substation and indoor heat exchange back, hot gas flow upflow join with the air current of ventiduct 3 in air exit 4 department, discharge from ventiduct 3, through the ventiduct 3 that sets up, the speed that the air current flows has been improved to can improve indoor heat exchange's efficiency, improve the radiating effect of the indoor ventilation of transformer substation, thereby can reduce the energy consumption of air conditioner.
As a specific implementation of the integrated external wall of the transformer substation based on the chimney effect provided by the embodiment of the present invention, as shown in fig. 1 to 2, the prefabricated wall body 2 has a parapet 5 extending beyond a roof of the transformer substation, and the air outlet 51 of the air duct 3 is disposed on the inner side of the parapet 5.
This embodiment utilizes parapet 5 to lead to the external world with the air outlet 51 of transformer substation, has prolonged the height of ventiduct 3, moreover, utilizes parapet 5's design, can also play certain safety protection effect and decorative effect.
The height of the parapet wall 5 of the building in the conventional design is generally more than 1.1 meter and less than 1.5 meters, and in the embodiment, the parapet wall 5 is higher than the highest point of the roof of the transformer substation by 0.5 meter.
As shown in fig. 1 to fig. 2, as a specific implementation of the integrated external wall of the transformer substation based on the chimney effect provided by the embodiment of the present invention, the air outlet 51 is circular or rectangular, and the air outlet 51 is provided with a wire mesh.
The air outlet 51 is provided with a wire mesh, a galvanized mesh or a stainless steel mesh, which can prevent and avoid leaves, plastic materials and the like flying in the air from entering the air duct 3 to block the air duct 3.
As shown in fig. 1 to 2, as a specific implementation of the integrated external wall of the substation based on the chimney effect provided by the embodiment of the present invention, a cross-sectional shape of the air duct 3 along the horizontal direction is a rectangular structure. The air duct 3 with a rectangular structure is simpler and more convenient to manufacture.
As a specific implementation manner of the integrated substation outer wall based on the chimney effect provided by the embodiment of the present invention, as shown in fig. 1 to 2, the length of the air duct 3 is consistent with the length of the air inlet window 1 along the horizontal direction, so as to make the air flow smoothly.
Optionally, in a possible embodiment, a parapet wall 5 is provided on the prefabricated wall 2, the air outlet 51 is provided on the inner side of the parapet wall 5, and the length of the air duct 3 is the same as the length of the air inlet window 1.
As shown in fig. 1 to fig. 2, as a specific implementation of the integrated external wall of the transformer substation based on the chimney effect provided in the embodiment of the present invention, the prefabricated wall 2 includes an inner wall 22, a sandwich wall, and an outer wall 21, the air inlet window 1 includes air inlet shutters disposed on the outer wall 21 and the inner wall 22, the ventilation duct 3 is disposed on the sandwich wall, and the air outlet 4 is disposed on the inner wall 22.
In the embodiment, the louver is arranged at the air inlet window 1, so that on one hand, other impurities such as external leaves, branches, plastic materials, flying cotton and the like can be prevented from entering a transformer substation room from the air inlet window 1, the pollution to the environment in the transformer substation room and the adverse effect on power equipment are avoided; on the other hand, the possibility that other small animals such as mice, cats, birds and insects enter the substation room to cause the short circuit of the power line and the electric device in the substation room due to being bitten and damaged can be avoided.
Alternatively, as shown in fig. 1 to 2, the prefabricated wall 2 includes an inner wall 22 and an outer wall 21, the building air inlet window 1 is disposed at the bottom of the prefabricated wall 2, the outer wall 21 has a heat insulation layer, the middle cavities of the outer wall 21 and the inner wall 22 utilize a chimney effect, indoor hot air is exhausted through the upper louver, and the wall outlet 51 is disposed at the top of the parapet 5. The parapet wall 5, the inner wall body 22 and the outer wall body 21 are integrally designed, so that indoor rapid ventilation and heat exchange of the transformer substation are realized, the time for starting a fan is shortened, and energy conservation and consumption reduction of a building are realized.
As a possible embodiment, as shown in fig. 1 to 2, optionally, on the basis that the prefabricated wall 2 includes an inner wall 22 and an outer wall 21, a parapet 5 is further included at the top, the air outlet 51 is disposed inside the parapet 5, and the air outlet 51 is provided with a wire mesh.
As a specific implementation manner of the integrated external wall of the transformer substation based on the chimney effect provided by the embodiment of the present invention, as shown in fig. 1 to 2, the inner wall 22 is a fireproof structure, and the interlayer wall is a thermal insulation structure.
As a specific implementation manner of the integrated substation outer wall based on the chimney effect provided by the embodiment of the present invention, as shown in fig. 1 to 2, the air outlet 4 is provided with an air exhaust shutter.
As a possible implementation manner, as shown in fig. 1 to fig. 2, optionally, the air inlet window 1 includes air inlet shutters disposed on the outer wall 21 and the inner wall 22, the air duct 3 is disposed on the sandwich wall, the air outlet 4 is disposed on the inner wall 22, and the air outlet 4 is provided with air outlet shutters.
As a specific implementation manner, as shown in fig. 1 to fig. 2, on the basis that the prefabricated wall 2 includes an inner wall 22 and an outer wall 21, the prefabricated wall further includes a parapet 5 at the top, an air outlet 51 is disposed inside the parapet 5, the air outlet 51 is provided with a wire mesh, the air inlet window 1 includes an air inlet shutter disposed on the outer wall 21 and the inner wall 22, the ventilation duct 3 is disposed on the sandwich wall, the air outlet 4 is disposed on the inner wall 22, and the air outlet 4 is provided with an air outlet shutter.
As a specific implementation manner of the integrated substation outer wall based on the chimney effect provided by the embodiment of the present invention, as shown in fig. 1 to 2, a plurality of air inlet windows 1 are arranged at the lower portion of the prefabricated wall 2, correspondingly, a plurality of ventilation ducts 3 are arranged in the prefabricated wall 2, and a plurality of air outlets 4 are arranged at the upper portion of the prefabricated wall 2.
Example one is as follows: two air inlet windows 1, two ventilation ducts 3 and two corresponding air outlets 4 are arranged on one prefabricated wall body 2.
Example two is as follows: three air inlet windows 1, three ventilation ducts 3 and three corresponding air outlets 4 are arranged on one prefabricated wall body 2.
Wherein, the air outlet 4 is arranged at a position 0.2-0.3 m away from the roof of the transformer substation so as to facilitate the discharge of hot air flow.
The air inlet window 1 is arranged at a position 0.3-0.5 m away from the horizontal ground outside the transformer substation, so that cold air flows from the lower part to the upper part in the transformer substation chamber after entering the transformer substation chamber.
As a specific implementation manner of the integrated external wall of the transformer substation based on the chimney effect provided by the embodiment of the present invention, as shown in fig. 1 to fig. 2, an air inlet window 1 is arranged on a prefabricated wall 2 along the length direction of a horizontal plane, the distance between the air inlet window 1 and the left and right ends of the prefabricated wall 2 is far less than the length of the air inlet window 1 in the horizontal direction, one or more parallel ventilation ducts 3 are correspondingly arranged, and an air outlet 4 and an air outlet 51 are arranged at the upper end of each ventilation duct 3.
In a second aspect, an embodiment of the present invention provides a fabricated substation, including the integrated substation external wall based on the chimney effect, as shown in fig. 1 to 2.
According to the assembled transformer substation provided by the embodiment of the utility model, the prefabricated wall boards are adopted as the outer walls on the periphery, so that the indoor heat exchange efficiency can be improved, the indoor ventilation and heat dissipation effects of the transformer substation can be improved, and the energy consumption of an air conditioner can be reduced.
As a possible implementation manner, as shown in fig. 1 to 2, the fabricated substation provided in this embodiment uses a triangular roof with a slope smaller than 10 ° to avoid water accumulation on the roof.
A drainage groove is arranged at the joint of the parapet wall and the roof 6 of the transformer substation, and a drainage port is arranged at the root of the parapet wall 5 so as to drain accumulated water conveniently.
As shown in fig. 1 to 2, a first embodiment of a prefabricated substation provided as an embodiment of the present invention is: an air inlet window 1 is arranged at the lower part of the prefabricated wall body 2, a ventilation channel 3 communicated with the external atmosphere of the transformer substation is arranged in the prefabricated wall body 2 along the height direction of the prefabricated wall body, the air inlet window 1 is communicated with the ventilation channel 3, an air outlet 4 is arranged at the upper part of the prefabricated wall body 2 and faces the inner side of the transformer substation chamber, and the air outlet 4 is communicated with the ventilation channel 3; the prefabricated wall body 2 is provided with a parapet wall 5 which exceeds a transformer substation roof 6, and an air outlet 51 of the air duct 3 is arranged on the inner side of the parapet wall 5.
As shown in fig. 1 to 2, a second embodiment of a prefabricated substation provided as an embodiment of the present invention: the prefabricated wall body 2 comprises an inner wall body 22, an interlayer wall body and an outer wall body 21, the air inlet window 1 comprises an air inlet shutter arranged on the outer wall body 21 and the inner wall body 22, the ventilating duct 3 is arranged on the interlayer wall body, the air outlet 4 is arranged on the inner wall body 22, the prefabricated wall body 2 is provided with a parapet wall 5 which exceeds a roof 6 of a transformer substation, and an air outlet 51 of the ventilating duct 3 is arranged on the inner side of the parapet wall 5; the air outlet 51 is provided with a wire mesh.
As shown in fig. 1 to 2, a third embodiment of a prefabricated substation provided as an embodiment of the present invention: the lower part of the prefabricated wall body 2 is provided with a plurality of air inlet windows 1, correspondingly, a plurality of ventilation ducts 3 are arranged in the prefabricated wall body 2, and the upper part of the prefabricated wall body 2 is provided with a plurality of air outlets 4; the prefabricated wall body 2 is provided with a parapet wall 5 which exceeds a transformer substation roof 6, and an air outlet 51 of the air duct 3 is arranged on the inner side of the parapet wall 5.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a transformer substation integration outer wall based on chimney effect which characterized in that includes: the prefabricated wall body (2) is provided with an air inlet window (1) at the lower part of the prefabricated wall body (2), an air duct (3) communicated with the external atmosphere of the transformer substation is arranged in the prefabricated wall body (2) along the height direction of the prefabricated wall body, the air inlet window (1) is communicated with the air duct (3), an air outlet (4) is arranged at the upper part of the prefabricated wall body (2) and faces towards the inner side of the transformer substation chamber, and the air outlet (4) is communicated with the air duct (3); the air flow of the air inlet window (1) is divided into two paths, one path of air flow enters a substation chamber and forms convection with the air flow entering from the prefabricated wall body (2) opposite to the substation, and the other path of air flow flows upwards along the air duct (3) so that the upwards flowing hot air in the substation flows through the air outlet (4) and is discharged from the air duct (3).
2. The integrated substation external wall based on the chimney effect according to claim 1, characterized in that the prefabricated wall (2) has a parapet (5) extending beyond the substation roof, and the air outlet (51) of the air duct (3) is arranged inside the parapet (5).
3. The integrated substation outer wall based on the chimney effect according to claim 2, characterized in that the air outlet (51) is circular or rectangular, and the air outlet (51) is provided with a wire mesh.
4. The integrated substation outer wall based on the chimney effect according to claim 1, characterized in that the cross-sectional shape of the air duct (3) along the horizontal direction is a rectangular structure.
5. The integrated substation exterior wall based on the chimney effect according to claim 1, characterized in that the length of the ventilation flue (3) coincides with the length of the air intake window (1) in the horizontal direction.
6. The integrated substation outer wall based on the chimney effect according to claim 1, wherein the prefabricated wall (2) comprises an inner wall (22), an interlayer wall and an outer wall (21), the air inlet window (1) comprises air inlet shutters arranged on the outer wall (21) and the inner wall (22), the air duct (3) is arranged on the interlayer wall, and the air outlet (4) is arranged on the inner wall (22).
7. The integrated substation exterior wall based on the chimney effect according to claim 6, characterized in that the inner wall (22) is a fireproof structure and the sandwich wall is a heat insulation structure.
8. The integrated substation exterior wall based on the chimney effect according to claim 1, characterized in that the air outlet (4) is provided with air outlet shutters.
9. A substation integration outer wall based on chimney effect according to any one of claims 1-8, characterized in that the lower part of the prefabricated wall (2) is provided with a plurality of air inlet windows (1), correspondingly, a plurality of air ducts (3) are arranged in the prefabricated wall (2), and the upper part of the prefabricated wall (2) is provided with a plurality of air outlets (4).
10. A fabricated substation comprising a chimney effect based substation integrated exterior wall according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123114932.3U CN216641022U (en) | 2021-12-10 | 2021-12-10 | Integrated outer wall of transformer substation based on chimney effect and assembled transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123114932.3U CN216641022U (en) | 2021-12-10 | 2021-12-10 | Integrated outer wall of transformer substation based on chimney effect and assembled transformer substation |
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| Publication Number | Publication Date |
|---|---|
| CN216641022U true CN216641022U (en) | 2022-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123114932.3U Active CN216641022U (en) | 2021-12-10 | 2021-12-10 | Integrated outer wall of transformer substation based on chimney effect and assembled transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216641022U (en) |
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2021
- 2021-12-10 CN CN202123114932.3U patent/CN216641022U/en active Active
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