A prefabricated substation

Abstract

The application provides a prefabricated transformer substation, which comprises a box body, the outer surface of the side edge of the box body is provided with heat dissipation holes, and the inner side of the side edge of the box body is connected with a heat dissipation structure; the number of heat dissipation holes on the same side edge is two groups, the inner side surface of the box body is fixedly connected with a fixing frame close to the inner side surface of one group of heat dissipation holes at a high position, the surface of the fixing frame is connected with a blowing fan, the inner side surface of the box body is fixedly connected with a sliding rheostat, a connecting wire is connected between the conductive end of the sliding rheostat and the blowing fan, the top end of the sliding sheet of the sliding rheostat is fixedly connected with a movable plate, the inner side surface of the box body is fixedly connected with a fixed plate, and the outer surface of the movable plate is fixedly connected with a connecting rod. The application solves the problem that the existing prefabricated transformer substation generally has a heating problem, especially in hot summer, and the structure for heat dissipation is usually a constant heat dissipation mode and cannot be adjusted according to the temperature inside the transformer box.

Description

Technical Field

[0001] This utility model relates to the field of substation technology, and more specifically, to a prefabricated substation. Background Technology

[0002] With the acceleration of urbanization and the continuous growth of electricity demand, substations, as key facilities in the power system, undertake important functions such as voltage conversion, power distribution, and protection. Traditional substations are usually assembled on-site, requiring a large amount of civil construction, equipment installation, and commissioning work. This not only results in long construction cycles and high costs but is also greatly affected by environmental factors, making it difficult to meet the requirements of modern power systems for rapid deployment, flexible configuration, and high reliability. Prefabricated substations have emerged to address this need. They integrate high-voltage switchgear, transformers, low-voltage distribution equipment, etc., into one or more enclosed enclosures, complete assembly and commissioning in the factory, and then simply install them after being transported to the site for use.

[0003] A search revealed a power quality monitoring device with authorization announcement number CN220108441U. This utility model involves setting a frame on both sides of the monitoring box, which is fitted over two right-angled plates. A first spring on the right-angled plates drives a plug to insert into a hole on the frame, thereby restricting the frame and enabling the installation of the monitoring box. This facilitates the installation and disassembly of the monitoring box, making it easy to remove and repair, and convenient to use.

[0004] In existing technologies, prefabricated substations generally suffer from heat generation problems, especially in the hot summer. The heat dissipation structure is usually a constant heat dissipation method and cannot be adjusted according to the temperature inside the substation. Therefore, we have made an improvement and proposed a prefabricated substation. Utility Model Content

[0005] The purpose of this utility model is to address the common problem of overheating in prefabricated substations, especially in the hot summer, where the heat dissipation structure is usually a constant heat dissipation method and cannot be adjusted according to the temperature inside the substation.

[0006] To achieve the above-mentioned objectives, this utility model provides the following technical solution:

[0007] A prefabricated substation is proposed to address the aforementioned problems.

[0008] The application is as follows:

[0009] A prefabricated substation includes a box, wherein heat dissipation holes are provided on the outer side surface of the box, and a heat dissipation structure is connected to the inner side of the box;

[0010] There are two sets of heat dissipation holes on the same side. A fixed bracket is fixedly connected to the inner surface of the set of heat dissipation holes near the higher part of the inner surface of the box. A blower fan is connected to the surface of the fixed bracket. A sliding rheostat is fixedly connected to the inner surface of the box. A connecting wire is connected between the conductive end of the sliding rheostat and the blower fan. A movable plate is fixedly connected to the top of the slider of the sliding rheostat. A fixed plate is fixedly connected to the inner surface of the box. A connecting rod is fixedly connected to the outer surface of the movable plate. An adjusting spring is connected between the movable plate and the fixed plate.

[0011] As a preferred technical solution of this application, the outer surface of the enclosure is rotatably connected to a cabinet door, and the outer surface of the enclosure is respectively connected to a control panel and a substation component. The control panel is used to automatically control the operation of the entire substation.

[0012] As a preferred technical solution of this application, the cabinet door is rotatably connected to the box body via hinges, and the substation assembly includes various electrical components that need to be customized inside the substation.

[0013] As a preferred technical solution of this application, the motor housing of the blower fan and the mounting bracket are fixedly connected by screws, the blower fan blows air from the inside of the housing outward through the heat dissipation holes, and the sliding rheostat is electrically connected to the blower fan through connecting wires.

[0014] As a preferred technical solution of this application, one end of the connecting rod passes through the fixed plate, and the connecting rod and the fixed plate are slidably connected, and the two ends of the adjusting spring are fixedly connected to the movable plate and the fixed plate respectively.

[0015] As a preferred technical solution of this application, the adjusting spring is a spring that expands when heated and contracts when pre-cooled. By adjusting the spring to push and contract the movable plate, the movable plate drives the sliding rheostat slider to move back and forth, thereby controlling the current of the blower fan through the connecting wire.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] In the scheme of this application:

[0018] Through the heat dissipation structure, the current connected to the fan can be automatically adjusted according to the current temperature inside the enclosure during use. This allows for adjustment of the airflow force; when the internal temperature of the enclosure is high, the airflow increases, and vice versa, ensuring optimal heat dissipation at all times. Attached Figure Description

[0019] Figure 1 This application provides an overall structural schematic diagram of a prefabricated substation.

[0020] Figure 2 This application provides a prefabricated substation Figure 1 A schematic diagram of a partial structure;

[0021] Figure 3 A partial structural diagram of the heat dissipation structure of a prefabricated substation provided in this application;

[0022] Figure 4 This application provides a prefabricated substation Figure 3 A magnified view of the local structure.

[0023] The image shows:

[0024] 1. Enclosure; 2. Ventilation holes; 3. Heat dissipation structure; 31. Fan; 32. Sliding rheostat; 33. Mounting bracket; 34. Connecting wires; 35. Movable plate; 36. Mounting plate; 37. Connecting rod; 38. Adjusting spring; 4. Cabinet door; 5. Control panel; 6. Substation components. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model.

[0026] Therefore, the following detailed description of the embodiments of this utility model is not intended to limit the scope of the claimed utility model, but merely illustrates some embodiments of the utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without inventive effort are within the scope of protection of this utility model. It should be noted that, unless otherwise specified, the embodiments, features, and technical solutions in the embodiments of this utility model can be combined with each other.

[0027] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0028] like Figure 1-4As shown, this embodiment proposes a prefabricated substation, including a housing 1. The outer side surface of the housing 1 is provided with heat dissipation holes 2, and the inner side surface of the housing 1 is connected to a heat dissipation structure 3. A cabinet door 4 is rotatably connected to the outer surface of the housing 1. A control panel 5 and a substation assembly 6 are respectively connected to the outer surface of the housing 1. The control panel 5 is used to automatically control the operation of the entire substation. The cabinet door 4 is rotatably connected to the housing 1 by a hinge. The substation assembly 6 includes various electrical components that need to be customized inside the substation.

[0029] There are two sets of heat dissipation holes 2 on the same side. A fixed bracket 33 is fixedly connected to the inner surface of the set of heat dissipation holes 2 near the higher part of the inner surface of the box 1. A blower fan 31 is connected to the surface of the fixed bracket 33. A sliding rheostat 32 is fixedly connected to the inner surface of the box 1. A connecting wire 34 is connected between the conductive end of the sliding rheostat 32 and the blower fan 31. A movable plate 35 is fixedly connected to the top of the slider of the sliding rheostat 32. A fixed plate 36 is fixedly connected to the inner surface of the box 1. A connecting rod 37 is fixedly connected to the outer surface of the movable plate 35. An adjusting spring 38 is connected between the movable plate 35 and the fixed plate 36.

[0030] The motor housing of the blower fan 31 is fixedly connected to the mounting bracket 33 by screws. The blower fan 31 blows air from the inside of the housing 1 outward through the heat dissipation holes 2. The sliding rheostat 32 is electrically connected to the blower fan 31 through the connecting wire 34. One end of the connecting rod 37 passes through the mounting plate 36, and the connecting rod 37 and the mounting plate 36 are slidably connected. The two ends of the adjusting spring 38 are fixedly connected to the movable plate 35 and the fixed plate 36, respectively. The adjusting spring 38 is a spring that expands when heated and contracts when cooled. By adjusting the spring 38 to push and contract the movable plate 35, the movable plate 35 drives the slider of the sliding rheostat 32 to move back and forth, thereby controlling the current of the blower fan 31 through the connecting wire 34.

[0031] In this embodiment, during use, the current connected to the blower fan 31 can be automatically adjusted according to the current temperature inside the box 1, thereby adjusting the amount of cooling airflow. That is, if the heat inside the box 1 is high, the airflow will increase, and vice versa, so as to always achieve the best heat dissipation effect.

[0032] In summary, the working principle of this utility model is as follows:

[0033] During use, the various electrical components inside the housing 1 will generate heat. When the adjusting spring 38 is heated, it will expand. The expanded adjusting spring 38 will push the movable plate 35 upward. The movable plate 35, together with the connecting rod 37, will move upward. Through the movement of the movable plate 35, the slider of the sliding rheostat 32 will move upward together. At this time, the current flowing through the connecting wire 34 into the blower fan 31 will increase, and the air force blown out by the blower fan 31 will increase, thereby meeting the heat dissipation needs when the housing 1 is hot. At this time, as the blower fan 31 blows, hot air is blown out from the heat dissipation hole 2 at the top, while room temperature air enters the housing 1 from the outside through the heat dissipation hole 2 at the bottom, forming a heat dissipation effect.

[0034] When the temperature inside the enclosure 1 decreases, the adjusting spring 38 will contract. Since the fixed plate 36 remains stationary, the adjusting spring 38 will pull down the movable plate 35 and the connecting rod 37. At the same time, the slider of the sliding rheostat 32 will move with the movable plate 35. At this time, the current flowing through the connecting wire 34 to the blower fan 31 decreases, and the airflow decreases accordingly. That is, during the entire operation of the substation, the airflow for heat dissipation can be automatically adjusted according to the temperature generated by the various electrical components inside the substation enclosure 1, thereby achieving a better heat dissipation effect and bringing better performance in the substation.

[0035] It should be understood that in this application, all rotating, sliding, meshing, belt-driven and other moving parts are well lubricated and not prone to slippage or wear, and each part is provided with a corresponding protective shell. However, in the accompanying drawings of this application, the connection state of each moving part is not shown. It should also be understood that all parts in this application are made of metal or plastic materials with suitable strength in the relevant field to ensure that their structural rigidity meets the actual requirements.

[0036] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. Although the present utility model has been described in detail with reference to the above embodiments, the present utility model is not limited to the specific embodiments described above. Therefore, any modifications or equivalent substitutions to the present utility model, and all technical solutions and improvements that do not depart from the spirit and scope of the utility model, are covered within the scope of the claims of the present utility model.

Claims

1. A prepackaged electrical substation comprising a box (1), characterized in that, The side outer surface of the box (1) is provided with heat dissipation holes (2), and the inner side of the side of the box (1) is connected with a heat dissipation structure (3); The number of heat dissipation holes (2) on the same side is two groups, and the inner side surface of the box (1) is fixedly connected with a fixed frame (33) near the inner side surface of one group of heat dissipation holes (2) with high position, the surface of the fixed frame (33) is connected with a blowing fan (31), the inner side surface of the box (1) is fixedly connected with a sliding rheostat (32), the conductive end of the sliding rheostat (32) is connected with the blowing fan (31) through a connecting lead (34), the top end of the sliding sheet of the sliding rheostat (32) is fixedly connected with a movable plate (35), the inner side surface of the box (1) is fixedly connected with a fixed plate (36), the outer surface of the movable plate (35) is fixedly connected with a connecting rod (37), and the movable plate (35) and the fixed plate (36) are connected with an adjusting spring (38).

2. A prepackaged electrical substation according to claim 1, characterized in that, The outer surface of the box (1) is rotatably connected with a cabinet door (4), the outer surface of the box (1) is respectively connected with a control panel (5) and a transformer substation assembly (6), and the control panel (5) is used for automatically controlling the operation of the entire transformer substation.

3. A prepackaged electrical substation according to claim 2, characterized in that The cabinet door (4) is rotatably connected with the box (1) through a hinge, and the transformer substation assembly (6) comprises various electrical elements required to be customized in the transformer substation.

4. A prepackaged electrical substation according to claim 1, wherein, The motor housing of the blowing fan (31) is fixedly connected with the fixed frame (33) through screws, the blowing direction of the blowing fan (31) is outward from the inside of the box (1) through the heat dissipation holes (2), and the sliding rheostat (32) is conductively connected with the blowing fan (31) through the connecting lead (34).

5. A prepackaged electrical substation according to claim 4, characterized in that One end of the connecting rod (37) penetrates the fixed plate (36), and the connecting rod (37) and the fixed plate (36) are slidably connected, and the two ends of the adjusting spring (38) are fixedly connected with the movable plate (35) and the fixed plate (36) respectively.

6. A prepackaged electrical substation according to claim 5, characterized in that The adjusting spring (38) is a spring that expands by heating and shrinks by pre-cooling, the movable plate (35) is driven to shrink by the adjusting spring (38), the sliding sheet of the sliding rheostat (32) is driven to move back and forth by the movable plate (35), and then the current size of the connecting lead (34) into the blowing fan (31) is controlled.

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