CN215816867U - Semi-buried street lamp box-type substation - Google Patents
Semi-buried street lamp box-type substation Download PDFInfo
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- CN215816867U CN215816867U CN202121450949.3U CN202121450949U CN215816867U CN 215816867 U CN215816867 U CN 215816867U CN 202121450949 U CN202121450949 U CN 202121450949U CN 215816867 U CN215816867 U CN 215816867U
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Abstract
The utility model provides a semi-buried street lamp box-type substation, which belongs to the field and comprises a box-type switch cabinet, wherein the box-type switch cabinet is positioned on one side of the upper surface of a prefabricated pit, a pit cover plate is arranged on one side of the outer wall of the bottom end of the box-type switch cabinet, and advertisement wing plates are arranged on two opposite sides of the top end of the box-type switch cabinet; an underground transformer is arranged in the transformer; a high-voltage cable well and a low-voltage cable well are arranged on one side of the underground transformer opposite to the pit cover plate in parallel; the bottom of the box-type switch cabinet and the bottom of the underground transformer are connected with an automatic drainage system. The underground transformer is half buried in the prefabricated pit, and only the switch cabinet is left on the ground, so that the occupied area of the box transformer substation is reduced; the automatic drainage system is arranged at the bottom of the underground transformer and the bottom of the box type switch cabinet, so that the transformer is prevented from water entering; by adopting the advertising lamp box type on the shell of the box type switch cabinet, the whole protection of the switch cabinet can be completed, and the practicability is increased.
Description
Technical Field
The utility model relates to the field of power transmission and distribution, in particular to a semi-buried type street lamp box-type substation.
Background
The box-type transformer substation is composed of a high-voltage power distribution cabinet, a power transformer, a low-voltage power distribution cabinet and the like, and is installed in a metal box body in a traditional mode, and three parts of equipment respectively occupy a space and are isolated from each other. However, in the modern generation of rapid development, the functional requirements on the box-type substation are more and more, and particularly in the municipal construction process, the street lamp box-type substation beside the road is not only expected by users that the box-type substation is large in size and uses greenbelt landscapes, but also expected by users that the box-type substation can have some other commercialization requirements.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a multifunctional buried street lamp box-type substation which is simple in structure, convenient and practical and occupies a small floor area, and in order to achieve the purposes, the utility model provides the following technical scheme:
a buried street lamp box-type substation comprises: a box-type switch cabinet, an underground transformer and a prefabricated pit,
the box-type switch cabinet is positioned on one side of the upper surface of the prefabricated pit, the bottom cabinet body is provided with a high-low voltage cable inlet and outlet, one side of the outer wall of the bottom end is provided with a pit cover plate, and two opposite sides of the top end are provided with advertisement wing plates;
an underground transformer is arranged in the prefabricated pit;
a high-voltage cable well and a low-voltage cable well are arranged on one side of the underground transformer opposite to the pit cover plate in parallel;
the high-voltage cable pit and the low-voltage cable pit are oppositely provided with a high-voltage cable trench and a low-voltage cable trench;
and automatic drainage systems are arranged at the bottom of the box-type switch cabinet and the bottom of the underground transformer.
Preferably, the box-type switch cabinet is a stainless steel cabinet body.
Preferably, the prefabricated pit is a trapezoidal pit, and a fully-sealed waterproof layer is arranged on the inner surface of the prefabricated pit.
Preferably, the transformer box further comprises a box body for bearing the transformer, the box body is a metal box body, and the outer wall of the box body is coated with an anticorrosive coating.
Preferably, the advertisement wing plate is rotatably connected with the top of the box-type switch cabinet.
Preferably, the box-type switch cabinet body and the box body bearing the underground transformer are provided with heat dissipation holes.
Preferably, the pit cover plate is a reinforced concrete cover plate, the middle of the plate body is provided with an access hole, the upper surface is paved with decorative floor tiles, and a cylinder positioning support is arranged between the plate body and the prefabricated pit.
Preferably, the ground resistance of the foundation ground grid of the semi-buried street lamp box-type substation is not more than 4 omega.
The utility model has the beneficial effects that: the transformer is buried in the ground, and only the box-type switch cabinet is left on the ground, so that the floor area of the box-type transformer can be greatly reduced; the advertising lamp box type is arranged on the box type switch cabinet shell on the underground transformer, so that the switch cabinet can be integrally protected, the functionality of the switch cabinet can be increased, the requirements of customers are not needed, and the transformer is prevented from being watered by arranging the automatic drainage system at the bottom of the underground transformer and the box type switch cabinet; the outer wall of the box body is coated with the anticorrosive coating, so that the service life of the box body is prolonged; the functionality of the buried street lamp box-type substation is improved by rotationally connecting the advertising wing plate with the top end of the box-type switch cabinet; the box transformer has the advantages that the manhole is formed in the pit cover plate, the condition of the underground transformer can be observed or the underground transformer enters the pit for cable installation and connection, the box transformer is reasonable in structure, small in occupied area and attractive and practical, and can be integrated with a green belt.
The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of a mounting structure in an embodiment of the utility model;
figure 2 is a left side view of an embodiment of the utility model,
FIG. 3 is a top view of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a prefabricated pit according to an embodiment of the present invention;
FIG. 5 is a left side view of the underground transformer and the high and low voltage cable well according to an embodiment of the present invention.
The system comprises a box-type switch cabinet 1, a prefabricated pit 2, an underground transformer 3, an automatic drainage system 4, a pit cover plate 5, a manhole 6, a high-low voltage cable inlet and outlet 7, an advertisement wing plate 8, a high-voltage cable well 9, a low-voltage cable well 10, a high-voltage cable trench 11 and a low-voltage cable trench 12.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the attached figures 1-5, the semi-buried street lamp box-type substation comprises a box-type switch cabinet 1, an underground transformer 3 and a prefabricated pit 2,
the box-type switch cabinet 1 is positioned on one side of the upper surface of the prefabricated pit 2, a high-low voltage cable inlet and outlet 7 is arranged on the bottom cabinet body, a pit cover plate 5 is arranged on one side of the outer wall of the bottom end, and advertisement wing plates 8 are arranged on two opposite sides of the top end;
an underground transformer 3 is arranged in the prefabricated pit 2;
a high-voltage cable well 9 and a low-voltage cable well 10 are arranged in parallel on one side of the underground transformer 3 opposite to the pit cover plate 5;
a high-voltage cable trench 11 and a low-voltage cable trench 12 are correspondingly arranged on two opposite sides of the high-voltage cable well 9 and the low-voltage cable well 10;
and automatic drainage systems 4 are arranged at the bottom of the box-type switch cabinet 1 and the bottom of the underground transformer 3.
The working process of the utility model is as follows: firstly digging out a trapezoidal pre-buried pit 2, putting an underground transformer 3 into a box body carried by the underground transformer, then putting the underground transformer into the ground together, burying the underground transformer in a semi-ground manner, and only leaving the box type switch cabinet 1 on the ground; and (3) placing the underground transformer 3 and a box body for bearing the transformer into the prefabricated pit 3, then backfilling after foundation, backfilling until the soil is level to the ground, then making a cable well according to the schematic diagram of the excavated cable well, and then backfilling until the soil is level to the ground.
It should be noted that, here, a transformer pit needs to be prefabricated, and an automatic drainage system is additionally installed to prevent the transformer from water inflow; when the foundation is excavated, if the soil quality can not meet the design requirement, the relevant designers are informed to carry out treatment at the same time; for accumulated water generated during excavation of a foundation of the pit, the accumulated water is continuously pumped according to related construction methods of capital construction, and if the accumulated water exists during installation of the product, the product can be installed only by pumping the accumulated water; when the foundation pit is constructed, the safety of adjacent projects such as roads, basements, pipelines and the like of existing building structures on the periphery is monitored and maintained; the equipment foundation is cast-in-situ by C25 concrete; the supporting structure adopts the driving of steel sheet piles and the addition of supports, after the construction box body is installed, partial plain soil is firstly backfilled, and then the steel sheet piles are played, so that the ground is prevented from sinking.
Further, the box-type switch cabinet 1 is a stainless steel cabinet body.
It should be noted that the box-type switch cabinet 1 may also be made of other materials, and stainless steel has excellent characteristics of resisting corrosive media such as air, steam, water and the like, so the cabinet body of the box-type switch cabinet is made of the stainless steel.
Further, the prefabricated pit 2 is a trapezoidal pit, and a fully-sealed waterproof layer is arranged on the inner surface of the pit.
It should be noted that the prefabricated pit is a 2-trapezoid pit, and the included angle between the side wall of the pit and the horizontal plane of the ground is 70-80 degrees, so that the prefabricated pit is convenient to construct and stable in structure.
Furthermore, the underground transformer comprises a box body for bearing the underground transformer 3, wherein the box body is a metal box body, and an anticorrosive coating is coated on the outer wall of the box body.
It should be noted that the box body for carrying the underground transformer 3 is a metal box body, so that the mechanical property is improved, and the outer wall of the box body is coated with an anticorrosive layer, so that the influence of soil corrosion or high temperature on the underground transformer 3 is avoided, thereby causing serious damage to the transformer and various equipment loads operatively connected with the transformer, and even interrupting energy transmission for a long time.
Further, the advertisement wing plate 8 is rotatably connected with the top of the box-type switch cabinet 1.
It should be noted that the advertisement wing of the utility model adopts the LED luminous plate with long service life and uniform light source for advertisement illumination, and the thickness of the lamp box advertisement wing is not more than 60 mm.
Furthermore, heat dissipation holes are formed in the cabinet body of the box-type switch cabinet 1 and the box body for bearing the underground transformer 3.
Realize box cubical switchboard 1 and bear the weight of the quick heat dissipation of box of underground transformer 3.
Further, the pit cover plate 5 is a reinforced concrete cover plate, the middle of the plate body is provided with an access hole 6, the upper surface is paved with decorative floor tiles, and a cylinder positioning support is arranged between the plate body and the prefabricated pit 2.
Furthermore, the grounding resistance of the foundation ground grid of the semi-buried street lamp box-type substation is not more than 4 omega
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A semi-buried street lamp box-type substation is characterized by comprising a box-type switch cabinet (1), an underground transformer (3) and a prefabricated pit (2),
the box-type switch cabinet (1) is positioned on one side of the upper surface of the prefabricated pit (2), a high-low voltage cable inlet and outlet (7) is arranged on the cabinet body at the bottom, a pit cover plate (5) is arranged on one side of the outer wall at the bottom end, and advertisement wing plates (8) are arranged on two opposite sides of the top end;
an underground transformer (3) is arranged in the prefabricated pit (2);
a high-voltage cable well (9) and a low-voltage cable well (10) are arranged in parallel on one side of the underground transformer (3) opposite to the pit cover plate (5);
a high-voltage cable trench (11) and a low-voltage cable trench (12) are correspondingly arranged on two opposite sides of the high-voltage cable well (9) and the low-voltage cable well (10);
the bottom of the box-type switch cabinet (1) and the bottom of the underground transformer (3) are connected with an automatic drainage system (4).
2. A semi-buried street lamp box-type substation according to claim 1, characterized in that the box-type switch cabinet (1) is a stainless steel cabinet body.
3. A semi-buried street lamp box-type substation according to claim 1, characterized in that the prefabricated pit (2) is a trapezoidal pit, the inner surface of which is provided with a fully-sealed waterproof layer.
4. The semi-buried street lamp box-type substation of claim 1, further comprising a box body for carrying a transformer, wherein the box body is a metal box body, and an outer wall of the box body is coated with an anticorrosive coating.
5. A semi-buried street lamp substation according to claim 1, characterized in that the advertising wing panel (8) is rotatably connected to the top of the cubicle-type switchgear cabinet (1).
6. A semi-buried street lamp box-type substation according to claim 5, characterized in that the cabinet body of the box-type switch cabinet (1) and the box body carrying the underground transformer (3) are provided with heat dissipation holes.
7. A semi-buried street lamp box-type substation according to claim 1, characterized in that the pit cover plate (5) is a reinforced concrete cover plate, the middle of the plate body is provided with a manhole (6), the upper surface is paved with decorative floor tiles, and a cylinder positioning support is arranged between the plate body and the prefabricated pit (2).
8. The semi-buried street lamp box-type substation of claim 1, wherein the ground resistance of the foundation ground grid of the semi-buried street lamp box-type substation is not more than 4 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450949.3U CN215816867U (en) | 2021-06-29 | 2021-06-29 | Semi-buried street lamp box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121450949.3U CN215816867U (en) | 2021-06-29 | 2021-06-29 | Semi-buried street lamp box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215816867U true CN215816867U (en) | 2022-02-11 |
Family
ID=80179190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121450949.3U Active CN215816867U (en) | 2021-06-29 | 2021-06-29 | Semi-buried street lamp box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215816867U (en) |
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2021
- 2021-06-29 CN CN202121450949.3U patent/CN215816867U/en active Active
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