Multifunctional YB prefabricated box-type substation
By designing a multifunctional YB prefabricated box-type substation, which employs box-type partitions and adjustable mounting slots, the problems of single function and large footprint of substations are solved, achieving a compact structure, comprehensive functions, and high safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WENZHOU CHANGXIN ELECTRIC CO LTD
- Filing Date
- 2025-04-24
- Publication Date
- 2026-05-29
AI Technical Summary
Existing substations have limited functionality, occupy a large area, and are inconvenient for later maintenance and expansion.
Design a multifunctional YB prefabricated box-type substation, including a medium-voltage switch box, a transformer box, and a low-voltage power distribution equipment box. It adopts structures such as box partitions, terminal block mechanisms, and adjustable mounting slots to achieve insulation and flexible wiring between boxes, and supports convenient installation and expansion of transformers.
This design achieves a compact structure, comprehensive functions, high operational safety, and convenient future expansion and maintenance for the prefabricated substation.
Smart Images

Figure CN224305221U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of prefabricated substation technology, specifically a multifunctional YB prefabricated prefabricated substation. Background Technology
[0002] A prefabricated substation, also known as a prefabricated transformer substation, is a factory-prefabricated, compact indoor / outdoor power distribution unit that integrates high-voltage switchgear, distribution transformers, and low-voltage power distribution equipment according to a specific wiring scheme. It organically combines transformer voltage reduction and low-voltage power distribution functions, all housed in a moisture-proof, rust-proof, dust-proof, rodent-proof, fire-proof, theft-proof, heat-insulated, fully enclosed, and movable steel structure box. It is particularly suitable for urban power grid construction and renovation, and represents a new type of substation that has emerged after traditional civil engineering substations. Prefabricated substations are suitable for mines, factories, oil and gas fields, and wind power stations, replacing traditional civil engineering substations and becoming a new type of complete power distribution system.
[0003] Prefabricated substations are suitable for residential areas, urban public substations, bustling city centers, construction power supplies, etc. Users can choose prefabricated substations according to different usage conditions and load levels. Since their introduction, prefabricated substations have developed extremely rapidly, accounting for 70% of distribution transformers in developed European countries and 90% in the United States. With the rapid development of China's urban modernization and the continuous upgrading and transformation of urban power distribution networks, they will inevitably be widely used.
[0004] However, currently used substations typically only have one function, resulting in limited functionality. Furthermore, some substations occupy a large area, making maintenance and expansion inconvenient. Therefore, there is an urgent need for an improved technology to address this problem in existing technologies. Utility Model Content
[0005] The purpose of this utility model is to provide a multifunctional YB prefabricated box-type substation to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a multifunctional YB prefabricated box-type substation, comprising a box-type substation body, a medium-voltage switch box, a transformer box, and a low-voltage power distribution equipment box. The box-type substation body is provided with the medium-voltage switch box, the transformer box, and the low-voltage power distribution equipment box. The bottom of the box-type substation body is provided with a substation base, and the top of the box-type substation body is provided with a substation roof.
[0007] The bottom of the medium-voltage switch box is located on the upper left end of the substation base, and limit blocks are provided at the front and rear of the bottom of the medium-voltage switch box.
[0008] The transformer box contains a transformer. The bottom of the transformer box has adjustable mounting slots near both sides. A connecting conductor seat is provided on one side wall of the transformer box. The connecting conductor seat and the transformer are connected by a metal conductive plate.
[0009] Preferably, a partition is provided between the medium-voltage switch box, the transformer box, and the low-voltage power distribution equipment box, and aluminum-plastic composite panels are provided on both sides of the partition.
[0010] Preferably, the external part of the connecting conductor is provided with a C-shaped frame, and the internal center of the C-shaped frame is provided with a groove-shaped support. The groove-shaped support is a cuboid, and the internal center of the groove-shaped support is provided with a rectangular groove. The internal center of the rectangular groove is provided with a connector mechanism. The connector mechanism is provided with a conductive piece, the upper surface of the conductive piece is provided with an insulating plate, the upper center of the conductive piece is provided with a stud, and the stud is provided with a locking nut. Both ends of the conductive piece are provided with connectors, and the connectors are provided with studs and nuts.
[0011] The grooved bracket has a locking head at the center of each end, and rollers on both sides of each end. The rollers are movably installed on the ends of the grooved bracket using a connecting shaft.
[0012] Preferably, the bottom of the transformer is provided with a mating mounting base plate, the cross-section of which is a downwardly snapping C-shaped plate, and rollers are provided at equal intervals inside the lower edges on both sides of the mating mounting base plate, and the lower edges on both sides of the mating mounting base plate are fitted into the interior of an adjustable mounting groove.
[0013] Preferably, the bottom two sides of the low-voltage power distribution equipment box are provided with C-shaped mounting slide rails, which are welded and fixed to the upper surface of the substation base. The C-shaped mounting slide rails are provided with a square frame inside, and the two sides of the square frame are fitted into the C-shaped mounting slide rails at the bottom two sides of the low-voltage power distribution equipment box. The front and rear frames of the square frame are provided with adjustment grooves, and the square frame is provided with a mounting base plate. The two sides of the mounting base plate are fitted into the adjustment grooves inside the front and rear frames of the square frame. The mounting base plate is provided with evenly spaced fixing screw holes.
[0014] Preferably, the medium-voltage switch box has an adjustable mounting bracket at the cabinet door. The adjustable mounting bracket is a rectangular bracket, and its interior has wire holes and screw holes for installation.
[0015] Preferably, the substation is provided with a roof beam frame and a matching installation frame below the top. The roof beam frame is provided with snap-fit connectors below the four corners. The matching installation frame is a rectangular frame, and the four corners of the matching installation frame are provided with installation grooves. The snap-fit connectors are set in the installation grooves inside the corners of the matching installation frame.
[0016] Compared with the prior art, the beneficial effects of this utility model are:
[0017] (1) There are partitions between medium-voltage switch boxes, transformer boxes and low-voltage power distribution equipment boxes. The two sides of the partitions are covered with aluminum-plastic composite panels to insulate the two adjacent boxes and avoid interference between adjacent boxes.
[0018] (2) The connector mechanism can be adjusted freely inside the slotted bracket. The position of each connector mechanism inside the slotted bracket can be adjusted according to the actual installation requirements, making the wiring of the device more flexible.
[0019] (3) Locking heads are provided at the center of both ends of the slotted bracket. Rollers are provided on both sides of the end of the slotted bracket. The rollers are movably installed with the end of the slotted bracket by means of a connecting shaft. The slotted bracket can be adjusted to a suitable position inside the C-frame to match the installation of the equipment according to the actual installation situation.
[0020] (4) The lower edges on both sides of the mounting base are fitted into the adjustable mounting slot. The mounting base can be adjusted in front and back position inside the adjustable mounting slot, which not only makes the transformer installation more convenient, but also facilitates the later expansion and installation inside the transformer box.
[0021] (5) The box-type substation has the advantages of compact structure, strong completeness, comprehensive functions, and high operational safety. Moreover, it is easy to expand and maintain in the future. Attached Figure Description
[0022] Figure 1 This is a schematic diagram of the main structure of the box-type substation of this utility model;
[0023] Figure 2 This is a schematic diagram of the substation base structure of this utility model;
[0024] Figure 3 This is the main view of the frame of the prefabricated substation of this utility model;
[0025] Figure 4 This is a schematic diagram of the beam frame structure of this utility model;
[0026] Figure 5 This is the front view of the adjustable mounting bracket of this utility model;
[0027] Figure 6 This is a schematic diagram of the connector mechanism of this utility model;
[0028] Figure 7 This is a cross-sectional view of the mounting substrate for this utility model.
[0029] In the diagram: 1. Substation body; 2. Substation roof; 3. Medium-voltage switch box; 4. Transformer box; 5. Low-voltage power distribution equipment box; 6. Substation base; 7. Limit stop; 8. Adjustable mounting slot; 9. C-type mounting rail; 10. Mounting base plate; 11. Roller; 12. Adjustable mounting bracket; 13. Box partition; 14. Connecting conductor seat; 15. Roof beam frame; 16. Matching mounting frame; 17. Clip connector; 18. Locking head; 19. Roller; 20. Channel bracket; 21. Terminal block mechanism; 22. Stud; 23. Locking nut; 24. Insulating plate; 25. Conductor plate; 26. Terminal block; 27. Transformer; 28. C-type frame; 29. Matching mounting base plate; 30. Square frame. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0031] Please see Figures 1-7 This utility model provides a technical solution: a multifunctional YB prefabricated box-type substation, including a box-type substation body 1, a medium-voltage switch box 3, a transformer box 4, and a low-voltage power distribution equipment box 5. The box-type substation body 1 is provided with the medium-voltage switch box 3, the transformer box 4, and the low-voltage power distribution equipment box 5. A box partition 13 is provided between the medium-voltage switch box 3, the transformer box 4, and the low-voltage power distribution equipment box 5. The two sides of the box partition 13 are provided with aluminum-plastic composite panels to insulate the adjacent boxes and avoid interference between adjacent boxes.
[0032] The bottom of the box-type substation body 1 is provided with a substation base 6, and the top of the box-type substation body 1 is provided with a substation roof 2. Below the substation roof 2 are a beam frame 15 and a mounting frame 16. The four corners of the beam frame 15 are provided with snap-fit connectors 17. The mounting frame 16 is a rectangular frame. The four corners of the mounting frame 16 are provided with mounting grooves. The snap-fit connectors 17 are set in the mounting grooves inside the corners of the mounting frame 16.
[0033] The bottom of the medium-voltage switch box 3 is located above the left end of the substation base 6. Limiting blocks 7 are provided at the front and rear of the bottom of the medium-voltage switch box 3. The limiting blocks 7 can improve the stability of the installation between the medium-voltage switch box 3 and the substation base 6.
[0034] The transformer box 4 is equipped with a transformer 27 inside. The bottom of the transformer box 4 is equipped with adjustable mounting slots 8 near both sides. A connecting conductor seat 14 is provided on one side wall of the transformer box 4. The connecting conductor seat 14 and the transformer are connected by a metal conductive plate.
[0035] The external part of the connecting base 14 is provided with a C-shaped frame 28. Inside the C-shaped frame 28, there is a horizontally positioned channel-shaped bracket 20. The channel-shaped bracket 20 is a cuboid with a rectangular slot in the center. Inside the rectangular slot, there is a connector mechanism 21. The connector mechanism 21 is provided with a conductive piece 25. The upper surface of the conductive piece 25 is provided with an insulating plate 24. A stud 22 is located in the center above the conductive piece 25. A locking nut 23 is provided on the stud 22. Both ends of the conductive piece 25 are provided with connectors 26, which are provided with studs and nuts. The connector mechanism 21 can be freely adjusted inside the channel-shaped bracket 20. The position of each connector mechanism 21 inside the channel-shaped bracket 20 can be adjusted according to the actual installation requirements, making the wiring of the device more flexible.
[0036] Locking heads 18 are provided at the center of both ends of the slotted bracket 20, and rollers 19 are provided on both sides of the end of the slotted bracket 20. The rollers 19 are movably installed with the end of the slotted bracket 20 by means of a connecting shaft. The slotted bracket 20 can be adjusted to a suitable position inside the C-shaped frame 28 to match the installation of the equipment according to the actual installation situation.
[0037] The bottom of the transformer 27 is provided with a mating mounting base plate 29. The cross-section of the mating mounting base plate 29 is a downward-clamping C-shaped plate. Rollers are provided at equal intervals inside the lower edge on both sides of the mating mounting base plate 29. The lower edge on both sides of the mating mounting base plate 29 is fitted inside the adjustable mounting groove 8. The mating mounting base plate 29 can be adjusted in front and back position inside the adjustable mounting groove 8, which not only makes the transformer installation more convenient, but also facilitates the later expansion and installation inside the transformer box 4.
[0038] The bottom two sides of the low-voltage power distribution equipment box 5 are provided with C-shaped mounting slide rails 9. The C-shaped mounting slide rails 9 are welded and fixed to the upper surface of the substation base 6. The C-shaped mounting slide rails 9 are provided with a square frame 30 inside. The two sides of the square frame 30 are fitted inside the C-shaped mounting slide rails 9 on the bottom two sides of the low-voltage power distribution equipment box 5. The front and rear frames of the square frame 30 are provided with adjustment grooves. The square frame 30 is provided with a mounting base plate 10 inside. The two sides of the mounting base plate 10 are fitted inside the adjustment grooves inside the front and rear frames of the square frame 30. The mounting base plate 10 is provided with fixing screw holes evenly distributed inside.
[0039] An adjustable mounting bracket 12 is provided at the door of the medium-voltage switch box 3. The adjustable mounting bracket 12 is a rectangular bracket. The interior of the adjustable mounting bracket 12 is provided with wiring holes and screw holes for installation. Electronic components and electronic switches can be installed on the adjustable mounting bracket 12, and the wiring can also be fixed.
[0040] The main body 1 of this prefabricated substation integrates the medium-voltage switch box 3, transformer box 4, and low-voltage power distribution equipment box 5 into a complete set of power distribution equipment using a reasonable wiring method. It is suitable for a 12KV, 50Hz three-phase AC system with a capacity of 1600kVA, and is suitable for power supply to radial terminals.
[0041] The prefabricated substation body 1 has the advantages of compact structure, strong integration, comprehensive functions, and high operational safety, and is also easy to expand and maintain in the future.
[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A multifunctional YB prefabricated box-type substation, comprising a box-type substation body (1), a medium-voltage switch box (3), a transformer box (4), and a low-voltage power distribution equipment box (5), characterized in that: The box-type substation body (1) is equipped with a medium-voltage switch box (3), a transformer box (4), and a low-voltage power distribution equipment box (5). The bottom of the box-type substation body (1) is equipped with a substation base (6), and the top of the box-type substation body (1) is equipped with a substation top (2). The bottom of the medium-voltage switch box (3) is located above the left end of the substation base (6), and limit blocks (7) are provided at the front and rear of the bottom of the medium-voltage switch box (3). The transformer box (4) is equipped with a transformer (27) inside. The bottom of the transformer box (4) is provided with adjustable mounting slots (8) near both sides. A connecting conductor seat (14) is provided on one side wall of the transformer box (4). The connecting conductor seat (14) and the transformer are connected by a metal conductor plate.
2. The multifunctional YB prefabricated box-type substation according to claim 1, characterized in that: A partition (13) is provided between the medium-voltage switch box (3), the transformer box (4), and the low-voltage power distribution equipment box (5), and aluminum-plastic composite panels are provided on both sides of the partition (13).
3. A multifunctional YB prefabricated box-type substation according to claim 1, characterized in that: The connecting conductor seat (14) is provided with a C-shaped frame (28) on the outside. A groove-shaped bracket (20) is provided horizontally in the center of the C-shaped frame (28). The groove-shaped bracket (20) is a cuboid. A rectangular groove is provided in the center of the groove-shaped bracket (20). A connector mechanism (21) is provided inside the rectangular groove. A conductive piece (25) is provided on the connector mechanism (21). An insulating plate (24) is provided on the upper surface of the conductive piece (25). A stud (22) is provided in the center above the conductive piece (25). A locking nut (23) is provided on the stud (22). A connector (26) is provided on both ends of the conductive piece (25). A stud and a nut are provided on the connector (26). The grooved bracket (20) has a locking head (18) at the center of both ends, and rollers (19) are provided on both sides of the end of the grooved bracket (20). The rollers (19) are movably installed on the end of the grooved bracket (20) by means of a connecting shaft.
4. A multifunctional YB prefabricated box-type substation according to claim 1, characterized in that: The transformer (27) has a mating mounting base plate (29) at its bottom. The mating mounting base plate (29) has a cross-section of a downward-clamping C-shaped plate. Rollers are provided at equal intervals on the lower edges of both sides of the mating mounting base plate (29). The lower edges of both sides of the mating mounting base plate (29) are fitted into the interior of the adjustable mounting groove (8).
5. A multifunctional YB prefabricated box-type substation according to claim 1, characterized in that: The bottom two sides of the low-voltage power distribution equipment box (5) are provided with C-shaped mounting slide rails (9). The C-shaped mounting slide rails (9) are welded and fixed to the upper surface of the substation base (6). The C-shaped mounting slide rails (9) are provided with a square frame (30) inside. The two sides of the square frame (30) are fitted inside the C-shaped mounting slide rails (9) on the bottom two sides of the low-voltage power distribution equipment box (5). The front and rear frames of the square frame (30) are provided with adjustment grooves. The square frame (30) is provided with a mounting base plate (10) inside. The two sides of the mounting base plate (10) are fitted inside the adjustment grooves inside the front and rear frames of the square frame (30). The mounting base plate (10) is provided with fixing screw holes evenly inside.
6. A multifunctional YB prefabricated box-type substation according to claim 1, characterized in that: The medium-voltage switch box (3) is provided with an adjustable mounting bracket (12) at the cabinet door. The adjustable mounting bracket (12) is a rectangular bracket, and the interior of the adjustable mounting bracket (12) is provided with wiring holes and screw holes for installation.
7. A multifunctional YB prefabricated box-type substation according to claim 1, characterized in that: The substation roof (2) is provided with a beam frame (15) and a mounting frame (16) below it. The beam frame (15) has a snap connector (17) below its four corners. The mounting frame (16) is a rectangular frame. The mounting slots are provided inside the four corners of the mounting frame (16). The snap connector (17) is located in the mounting slots inside the corners of the mounting frame (16).