CN210483166U - Natural draft's prepackage type transformer substation - Google Patents
Natural draft's prepackage type transformer substation Download PDFInfo
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- CN210483166U CN210483166U CN201920640484.4U CN201920640484U CN210483166U CN 210483166 U CN210483166 U CN 210483166U CN 201920640484 U CN201920640484 U CN 201920640484U CN 210483166 U CN210483166 U CN 210483166U
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Abstract
The utility model relates to a natural ventilation prefabricated substation, which comprises an outer box body, a transformer room, a high-pressure room and a low-pressure room, wherein the outer box body is composed of a bottom bracket, a wall body and a top cover; a sinking cavity is arranged in the middle of the bottom bracket, and the transformer is arranged in the sinking cavity; the top cover is a pouring forming structure with steel bars prefabricated inside, and consists of a top eave and a top cover plate; the top cover plate consists of a flat cover plate part, a first arched cover plate part and a second arched cover plate part, wherein the first arched cover plate part is arranged along the front-back direction and aligned with the transformer chamber positioned below the first arched cover plate part, and the second arched cover plate part is arranged along the left-right direction; the upper shutter is fixedly arranged at the shutter mounting openings arranged at the front end and the rear end of the first arched cover plate part; air outlets are arranged on the periphery of the outer side of the contact part of the top eaves and the top of the wall body; the four sides of the wall body are provided with door plates, and the lower shutter is fixedly arranged at the shutter mounting port arranged on the door plate close to the lower end. The transformer substation can reduce temperature rise and has good ventilation and heat dissipation effects.
Description
Technical Field
The utility model belongs to the technical field of the transformer substation, a prepackage type transformer substation structure is related to, concretely relates to natural draft's prepackage type transformer substation.
Background
The prefabricated transformer substation is also called a box-type transformer substation, and is suitable for residential districts, urban public transformer substations, busy cities, urban residential concentration areas, urban public power distribution, street lamp power distribution, industrial mines and the like. The temperature rise of the pre-installed substation is a very important index for evaluating the performance of the pre-installed substation. The temperature rise directly affects the actual service life and utilization efficiency of the transformer. The transformer is a main heating component in the pre-installed substation, and the service life of the transformer depends on the service life of an insulating medium of the transformer. Under normal operating conditions, it is mainly the temperature that has an effect on the insulating medium. Prolonged high temperatures can cause the media to age and gradually lose their resistance to ignition. Therefore, the ventilation and heat dissipation performance of the transformer room is mainly improved when the transformer substation is designed.
Through the search of the prior art, the technical scheme similar to the patent is not searched.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide and encircle one kind can reduce the temperature rise, have better ventilation radiating effect to can ensure the temperature rise satisfies the prepackage type transformer substation of the natural draft that requires in the transformer substation.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a natural draft's prepackage type transformer substation which characterized in that: including outer box, outer box drags, wall body and top cap triplex by the end and connects and constitute, and outer box internal partitioning is for: transformer room, high-voltage chamber and low-voltage chamber, transformer room are located the middle part, and high-voltage chamber and low-voltage chamber are located transformer room both sides, install transformer, high-voltage switch and low-voltage switch, its characterized in that in transformer room, high-voltage chamber and low-voltage chamber respectively:
the bottom bracket is of a bottom bracket structure with a sinking cavity in the middle, and the transformer is arranged in the sinking cavity of the bottom bracket;
the top cover is an integrally cast structure with a steel bar prefabricated inside, and the casting material is a glass fiber reinforced cement material; the top cover consists of a top eave in contact fit with the top of the wall body and a top cover plate connected with the upper end of the top eave; the top cover plate is of a special-shaped cover plate structure and is composed of a flat cover plate part, a first arched cover plate part and a second arched cover plate part vertically connected with two sides of the first arched cover plate part, the first arched cover plate part is arranged along the front-back direction and aligned with the transformer chamber below the first arched cover plate part, and the second arched cover plate part is arranged along the left-right direction; the front end and the rear end of the first arched cover plate part are provided with blind window mounting openings, and upper blind windows for realizing air outlet are fixedly mounted at the blind window mounting openings at the two ends; air outlets are arranged on the periphery of the outer side of the contact part of the top eaves and the top of the wall body;
the four sides of the wall body are provided with door plates, the positions, close to the lower end, of the door plates are provided with shutter mounting openings, and lower shutters for realizing air inlet are fixedly mounted at the shutter mounting openings.
And, the end drags by channel-section steel and steel sheet welding and forms, has anticorrosive material layer at the outside spraying of end drags.
The upper louver and the lower louver are both made of unsaturated polyester glass fiber reinforced molding plastic materials and are composed of a louver main body part and a window frame part which is in insertion fit with a louver mounting port, air ports are formed between adjacent blades on the louver main body part, protruding clamping points are arranged on two sides of the window frame part, and the protruding clamping points and clamping grooves arranged on the louver mounting port form clamping fit; the back surfaces of the upper louver and the lower louver are respectively provided with a wire netting.
Also, the height of the first arched deck portion is greater than the height of the second arched deck portion.
The utility model has the advantages and positive effect:
1. the utility model has the advantages that the bottom bracket of the outer box body is arranged into the bottom bracket structure with the lower sinking cavity, the transformer is arranged in the sinking cavity of the bottom bracket, and part of the transformer room can be bought underground; in addition, on the other hand, the height of the prefabricated substation exposed to the ground can be reduced.
2. The top cover of the utility model adopts an integral pouring and forming structure, and the top cover plate part positioned at the upper part adopts an arched special-shaped cover plate structure, thus increasing the height of the top cover and the volume of the inner cavity, and being beneficial to reducing the influence of sunshine insolation on temperature rise; the upper shutters are arranged at two ends of the first arched cover plate part of the top cover, and the air outlets are formed in the periphery of the top eaves, so that the area of the air outlet of the transformer chamber is greatly increased. In addition, compared with the existing air outlet arranged below the top eaves and above the door lintel, the height difference between the air inlet and the air outlet of the transformer room is increased, natural ventilation circulation is facilitated, and therefore the temperature rise of the prefabricated substation is reduced.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view at I of FIG. 2;
FIG. 4 is a cross-sectional view B-B of FIG. 1;
FIG. 5 is a right side view of FIG. 1;
fig. 6 is a front view of the top cover of the present invention;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is a schematic perspective view of the top cover
FIG. 9 is a cross-sectional view of the upper blind;
FIG. 10 is a three-dimensional model view of an upper louver.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.
A natural ventilation prefabricated substation is shown in figures 1-10 and comprises an outer box body, wherein the outer box body is formed by connecting a bottom support 7, a wall body 3 and a top cover 1. For example, the wall body is welded with the bottom mop through the embedded part, and the top cover is welded with the wall body through the embedded part. The internal partition of outer box does: the transformer chamber 11, the high-voltage chamber 10 and the low-voltage chamber 12, the transformer chamber is located in the middle, the high-voltage chamber and the low-voltage chamber are located on two sides of the transformer chamber, and the transformer chamber 8, the high-voltage switch 9 and the low-voltage switch 6 are respectively installed in the transformer chamber, the high-voltage chamber and the low-voltage chamber, and the invention point is that:
the bottom bracket is of a bottom bracket structure, a sinking cavity 7-1 is formed in the middle of the bottom bracket, the transformer is installed in the sinking cavity of the bottom bracket, specifically, a channel steel can be welded at the bottom of the sinking cavity, and the transformer is installed on the channel steel. The bottom bracket of the traditional preassembled transformer substation is of a plane structure, so that the transformer, the high-voltage switch and the low-voltage switch are installed on the same horizontal plane. The utility model discloses a drag at the end and be sunken formula structure, the transformer is installed in sunken space, because the transformer height is higher than other components and parts, such structural design can reduce the height of transformer room on the one hand to the height of prepackage type transformer substation has been reduced. The method has positive effects of improving human living environment and beautifying cities. On the other hand, the transformer is used as a main heating body, and part of the transformer is buried underground, and the temperature is lower than that of the ground relative to the underground, so that the temperature of the transformer chamber can be reduced, and the effect of reducing the temperature rise of the prefabricated substation is achieved.
The top cover is an integrated pouring forming structure with a steel bar prefabricated inside, and the pouring material is a glass fiber reinforced cement material. The top cover is composed of a top eave 1-2 in contact fit with the top of the wall body and a top cover plate 1-1 connected with the upper end of the top eave. The top cover plate is of a special-shaped cover plate structure and comprises a flat cover plate part 1-1-1, a first arched cover plate part 1-1-2 and a second arched cover plate part 1-1-3 vertically connected with two sides of the first arched cover plate part, the first arched cover plate part is arranged along the front-back direction and aligned with the transformer chamber below the first arched cover plate part, and the second arched cover plate part is arranged along the left-right direction. And shutter mounting openings are formed in the front end and the rear end of the first arched cover plate part, and upper shutters 2 for realizing air outlet are fixedly mounted at the shutter mounting openings at the two ends. Air outlets 1-2-1, such as rectangular air outlets shown in the attached drawings, are arranged on the periphery of the outer side of the contact part of the top eaves and the top of the wall body.
The four sides of the wall body are provided with door plates 4, the positions on the door plates, which are close to the lower end, are provided with shutter mounting openings, and lower shutters 5 for realizing air inlet are fixedly mounted at the shutter mounting openings.
In the structure, the bottom mop is formed by welding channel steel and steel plates, and an anticorrosive material layer is sprayed on the outer part of the bottom mop.
In the structure, the upper louver and the lower louver are both made of unsaturated polyester glass fiber reinforced molding plastic materials and are composed of a louver main body part and a window frame part which is in insertion fit with a louver mounting opening, air openings are formed between adjacent blades on the louver main body part, protruding clamping points are arranged on two sides of the window frame part, for example, triangular protruding clamping points shown in the attached drawings are arranged on the two sides of the window frame part, and the protruding clamping points and clamping grooves arranged on the louver mounting opening form clamping fit. The back surfaces of the upper louver and the lower louver are respectively provided with a wire mesh which plays a role of insect prevention, and the wire meshes are not shown in the attached drawing. Specifically, the wire mesh can be fixed at the inner end of the window frame part of the louver firstly, and then the louver is installed at the corresponding position of the louver installation opening; the blind may also be installed with the wire mesh clamped to the inner end of the window section. FIGS. 9-10 are schematic structural views of an upper louver, which is composed of an upper louver main body part 2-1 and an upper window frame 2-2, wherein an air outlet 2-1-1 is formed between adjacent blades on the upper louver main body part, and upper protruding clamping points 2-2-1 are arranged on two sides of the upper window frame part and are in clamping fit with clamping grooves arranged at a louver mounting opening on a top cover.
In the above structure, the height of the first arched deck portion is greater than the height of the second arched deck portion.
The specific mode of ventilation and heat dissipation of the transformer chamber, the high-voltage chamber and the low-voltage chamber is as follows:
ventilating and radiating the transformer chamber:
the air inlet of the transformer chamber is arranged on the lower shutters on the front door panel and the rear door panel corresponding to the transformer chamber, and the air outlet is a rectangular air outlet on the top brim of the top cover and upper shutters arranged at the front end and the rear end of the first arched cover plate. Cold air enters the transformer chamber from air ports on the shutters at the lower parts of the front side and the rear side, fluid near the transformer is heated to be raised in temperature, flows upwards under the action of buoyancy lift force, the speed is gradually increased, after the cold air leaves a heating body, the fluid is higher in temperature than surrounding fluid, continues to move upwards to the top surface under the action of inertia and buoyancy lift force and is limited by the top surface, the fluid forms relative positive pressure near the top, the fluid rotates to flow towards the left side and the right side along the top surface under the action of pressure difference, one part of air with higher temperature is discharged from the shutters at the upper parts of the two ends, the other part of fluid which cannot be discharged from the shutters in time is discharged from rectangular air outlets on the top eaves and flows downwards, and.
Ventilating and radiating the high-pressure chamber:
the air inlet of the high-pressure chamber is arranged on a lower shutter on the door plate corresponding to the high-pressure chamber, and the air outlet is a rectangular air outlet on the top brim of the top cover. Cold air enters the high-pressure chamber from an air opening on the corresponding lower louver, the temperature of fluid near the high-pressure switch is increased by heating, the fluid flows upwards under the action of the buoyancy lift force, and the speed is gradually increased. After leaving the heating body, the fluid continues to move upwards to the top surface under the action of inertia and buoyancy lift due to the fact that the temperature of the fluid is higher than that of the surrounding fluid, and is limited by the top surface. The fluid moves along the top surface to form a circulation area, and air with higher temperature is discharged from the rectangular air outlet on the top brim of the top cover.
For ventilation and heat dissipation of the low-pressure chamber, the above-mentioned ventilation and heat dissipation manner of the high-pressure chamber is referred to, and details are not repeated herein.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (4)
1. The utility model provides a natural draft's prepackage type transformer substation, includes outer box, and outer box drags, wall body and top cap triplex by the end and connects and constitute, and outer box internal partitioning is for: transformer room, high-voltage chamber and low-voltage chamber, transformer room are located the middle part, and high-voltage chamber and low-voltage chamber are located transformer room both sides, install transformer, high-voltage switch and low-voltage switch, its characterized in that in transformer room, high-voltage chamber and low-voltage chamber respectively:
the bottom bracket is of a bottom bracket structure with a sinking cavity in the middle, and the transformer is arranged in the sinking cavity of the bottom bracket;
the top cover is an integrally cast structure with a steel bar prefabricated inside, and the casting material is a glass fiber reinforced cement material; the top cover consists of a top eave in contact fit with the top of the wall body and a top cover plate connected with the upper end of the top eave; the top cover plate is of a special-shaped cover plate structure and is composed of a flat cover plate part, a first arched cover plate part and a second arched cover plate part vertically connected with two sides of the first arched cover plate part, the first arched cover plate part is arranged along the front-back direction and aligned with the transformer chamber below the first arched cover plate part, and the second arched cover plate part is arranged along the left-right direction; the front end and the rear end of the first arched cover plate part are provided with blind window mounting openings, and upper blind windows for realizing air outlet are fixedly mounted at the blind window mounting openings at the two ends; air outlets are arranged on the periphery of the outer side of the contact part of the top eaves and the top of the wall body;
the four sides of the wall body are provided with door plates, the positions, close to the lower end, of the door plates are provided with shutter mounting openings, and lower shutters for realizing air inlet are fixedly mounted at the shutter mounting openings.
2. A natural draft pre-installed substation according to claim 1, characterized in that: the bottom mop is formed by welding channel steel and steel plates, and an anticorrosive material layer is sprayed on the outer portion of the bottom mop.
3. A natural draft pre-installed substation according to claim 1, characterized in that: the upper louver and the lower louver are both made of unsaturated polyester glass fiber reinforced molding plastic materials and are composed of a louver main body part and a window frame part which is in insertion fit with a louver mounting port, air ports are formed between adjacent blades on the louver main body part, protruding clamping points are arranged on two sides of the window frame part, and the protruding clamping points and clamping grooves arranged on the louver mounting port form clamping fit; the back surfaces of the upper louver and the lower louver are respectively provided with a wire netting.
4. A natural draft pre-installed substation according to claim 1, characterized in that: the height of the first arched deck portion is greater than the height of the second arched deck portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640484.4U CN210483166U (en) | 2019-05-07 | 2019-05-07 | Natural draft's prepackage type transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640484.4U CN210483166U (en) | 2019-05-07 | 2019-05-07 | Natural draft's prepackage type transformer substation |
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| CN210483166U true CN210483166U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920640484.4U Active CN210483166U (en) | 2019-05-07 | 2019-05-07 | Natural draft's prepackage type transformer substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690779A (en) * | 2021-07-30 | 2021-11-23 | 上海置信电气非晶有限公司 | Prefabricated substation box top structure |
| CN115473153A (en) * | 2022-10-31 | 2022-12-13 | 达州瑞丰电力设备技术有限公司 | Sinking heat-extraction type power distribution box and heat extraction method |
-
2019
- 2019-05-07 CN CN201920640484.4U patent/CN210483166U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113690779A (en) * | 2021-07-30 | 2021-11-23 | 上海置信电气非晶有限公司 | Prefabricated substation box top structure |
| CN115473153A (en) * | 2022-10-31 | 2022-12-13 | 达州瑞丰电力设备技术有限公司 | Sinking heat-extraction type power distribution box and heat extraction method |
| CN115473153B (en) * | 2022-10-31 | 2023-02-21 | 达州瑞丰电力设备技术有限公司 | Sinking heat-extraction type power distribution box and heat extraction method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300409 No. 8 Liaohe North Road, Beichen science and Technology Park, Beichen District, Tianjin Patentee after: Tianjin Sanyuan Power Intelligent Technology Co.,Ltd. Address before: 300409 No. 8 Liaohe North Road, Beichen science and Technology Park, Beichen District, Tianjin Patentee before: TIANJIN SANYUAN POWER EQUIPMENT MANUFACTURING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |