An assembled double transformer box-type substation

Abstract

The present invention belongs to the technical field of electric power equipment, and in particular, relates to an assembled double-transformer box-type substation. The present invention provides vertical partitions, air inlets and outlets, transformers, snap-fit ​​frame units, cover units, in-hole fan units, reinforcement plate units, and auxiliary parts units on the side-opening box, so that the structural stability of the substation is sufficient, and it is easy to assemble and disassemble, which conforms to the concept of assembled equipment. The present invention has the following advantages: First, the stability of the installation structure of the cover unit on the snap-fit ​​frame unit is sufficient to ensure the sealing effect of the substation foundation; second, the cover unit is plugged into the snap-fit ​​frame unit and snapped with the vertical partition, which further improves the installation stability of the cover unit, and when the cover unit is disassembled, it only needs to be pulled outward without the need for specific tools.

Description

Technical Field

[0001] The invention belongs to the technical field of electric power equipment, and in particular relates to an assembled double-transformer box-type substation. Background Art

[0002] Substations, in the power system, play the role of receiving and distributing electric energy, as well as regulating voltage and current. As the name suggests, the double transformer box substation has the following structural features: a rectangular box shape and two transformers. Compared with the existing common substations, its biggest structural difference is that there is a vertical partition in the middle to separate the two transformers.

[0003] On the other hand, the most prominent structural requirement of the prefabricated substation is to ensure that the basic structural strength of the substation is sufficient and to make it as quick to disassemble as possible. Therefore, prefabricated substations are often seen in some temporary places, such as large-scale performance sites and temporary board housing areas for construction.

[0004] Existing prefabricated, dual-transformer substation facilities, such as the Chinese utility model patent with patent publication number CN214849824U and publication date 2021.11.23, discloses a dual-transformer prefabricated box-type substation.

[0005] The structure of the substation includes a base and a shell, the top of the base is fixedly connected to the shell, the inner wall of the shell is fixedly connected to a partition plate, a heat dissipation fan is arranged inside the shell, a canopy is arranged on the top of the shell, a connecting column is fixedly connected to the bottom of the canopy, a movable block is arranged on the surface of the connecting column, a fixing rod is fixedly connected to one side of the movable block, a clamping block is arranged at the bottom of the fixing rod, and a spring is arranged on one side of the fixing rod.

[0006] However, the biggest problem with the substation in this utility model patent when used in the prefabricated field is that it is inconvenient, slow and difficult to install and disassemble. It has too many welded parts, one-piece molded parts and screwed parts, and more targeted tools are required for disassembly. Therefore, the advantages of the prefabricated type cannot be well reflected.

[0007] Therefore, in summary, there is an urgent need for a new type of assembled double-transformer substation with sufficient foundation structure strength and convenient and quick disassembly and assembly. Summary of the invention

[0008] The present invention provides an assembled double-transformer box-type substation, which can provide vertical partitions, air inlets and outlets, transformers, snap-fit ​​frame units, cover units, in-hole fan units, reinforcement plate units, and auxiliary parts units on a side opening box body, so that the substation has sufficient structural stability and is easy to disassemble and assemble, which conforms to the concept of assembled equipment.

[0009] The technical solution adopted by the present invention to solve the above-mentioned problem is: an assembled dual-transformer box-type substation, the structure of which includes a side-opening box, a vertical partition, an air inlet and outlet, and two transformers, and also includes a snap-fit ​​frame unit arranged on the opening side of the side-opening box, a cover unit arranged in the snap-fit ​​frame unit, an in-hole fan unit arranged on the vertical partition, a reinforcement plate unit arranged on the inner side of the cover unit and used for snapping the in-hole fan unit, and an auxiliary part unit arranged on the reinforcement plate unit and used for snapping the box door and protecting the in-hole fan unit.

[0010] A further preferred technical solution is that the snap-fit ​​frame unit includes a rectangular frame arranged on the side edge of the opening of the side-opening box, a snap-fit ​​groove arranged on the inner side of the rectangular frame, and a sealing strip arranged in the snap-fit ​​groove.

[0011] A further preferred technical solution is that the cover plate unit includes a rectangular plate body arranged in the engaging groove, and an operating port arranged on the rectangular plate body and located at both sides of the vertical partition respectively and used for installing the cabinet door.

[0012] A further preferred technical solution is that the operation port is arranged in the upper half of the rectangular plate body.

[0013] A further preferred technical solution is that the in-hole fan unit includes a mounting hole arranged on the vertical partition, a transverse plate arranged on the mounting hole, an end slot arranged on the transverse plate, and a fan engaged with the end slot.

[0014] A further preferred technical solution is that the reinforcement plate unit includes a protruding plate arranged on the inner side of the rectangular plate body, and a protruding block arranged on the side of the protruding plate and used to engage the mounting hole. The number of the protruding plates is two, which are respectively arranged at both sides of the vertical partition.

[0015] A further preferred technical solution is that: the reinforcement plate unit also includes a reinforcement groove arranged on the end surface of the protruding plate and used for pressing the fan.

[0016] A further preferred technical solution is that the auxiliary component unit includes a holding column arranged on the relatively outer side of the protruding plate, and a U-shaped block arranged on the holding column and used for engaging the box door.

[0017] A further preferred technical solution is that the auxiliary component unit further includes a holding sleeve arranged on the holding column, and a protruding hemisphere arranged on the inner side of the U-shaped block.

[0018] A further preferred technical solution is that the auxiliary unit also includes a circular mesh cover arranged on one of the holding columns and used to cover and protect the fan blades, and an extension column arranged on the other holding column and used to wind the fan wires.

[0019] The present invention has the following advantages.

[0020] First, the mounting structure of the cover plate unit on the engaging frame unit is stable enough to ensure the sealing effect of the substation foundation.

[0021] Second, the cover unit is plugged into the locking frame unit and locked with the vertical partition, which further improves the installation stability of the cover unit. When the cover unit is disassembled, it only needs to be pulled outward without the need for specific tools.

[0022] Thirdly, the fan has a snap-fitting effect on the fan unit in the hole and on the reinforcement plate unit, ensuring sufficient stability when the fan is installed. The cover unit will not fall accidentally when it is removed, and it can be pulled outwards when it needs to be removed. It is very convenient and in line with the structural concept of prefabricated equipment.

[0023] Fourthly, the auxiliary component unit includes a holding column, so that the cover unit can be pulled out and removed without pinching the side of the operating port, ensuring that the cover unit can be removed more quickly and comfortably.

[0024] Fifth, the auxiliary unit includes a circular mesh cover and an extension column, which prevents the fan blades from hurting people and allows the excess fan wires to be safely collected and organized.

[0025] Sixth, the auxiliary unit includes a U-shaped block, which has the advantages of light weight and simple structure compared to the existing cabinet door lock.

[0026] Seventh, the reinforcement plate unit integrates the reinforcement and protection functions of the fan unit in the hole, and integrates the installation function of the auxiliary unit, making the overall structure of the entire cover plate unit more compact and ingenious. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the structure of the present invention.

[0028] Figure 2 It is a schematic diagram of the position of the cover plate unit in the present invention.

[0029] Figure 3 It is a schematic diagram of the position structure of the engaging frame unit in the present invention.

[0030] Figure 4 It is a schematic diagram of the position structure of the fan unit in the hole of the present invention.

[0031] Figure 5It is a schematic diagram of the position structure of the reinforcement plate unit in the present invention.

[0032] Figure 6 It is a schematic diagram of the position structure of the auxiliary component unit in the present invention.

[0033] Figure 7 It is a schematic diagram of the position structure of the circular mesh cover in the present invention.

[0034] Figure 8 It is a schematic diagram of the position structure of the protruding hemisphere in the present invention.

[0035] In the accompanying drawings, the components represented by each reference numeral are as follows: side opening box 11, vertical partition 12, air inlet and outlet 13, transformer 14, snap-fit ​​frame unit 1, cover unit 2, in-hole fan unit 3, reinforcement plate unit 4, auxiliary component unit 5, rectangular frame 101, snap-fit ​​groove 102, sealing strip 103, rectangular plate 201, operation port 202, mounting hole 301, transverse plate 302, end groove 303, fan 304, protruding plate 401, protruding block 402, reinforcement groove 403, holding column 501, U-shaped block 502, holding sleeve 503, protruding hemisphere 504, circular mesh cover 505, extension column 506. DETAILED DESCRIPTION

[0036] The following descriptions are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention.

[0037] As attached Figure 1-8 As shown, an assembled dual-transformer box-type substation has a structure including a side-opening box body 11, a vertical partition 12, an air inlet and outlet 13, and two transformers 14, and also includes a snap-fit ​​frame unit 1 arranged on the opening side of the side-opening box body 11, a cover unit 2 arranged in the snap-fit ​​frame unit 1, an in-hole fan unit 3 arranged on the vertical partition 12, a reinforcement plate unit 4 arranged on the inner side surface of the cover plate unit 2 and used for snapping the in-hole fan unit 3, and an auxiliary component unit 5 arranged on the reinforcement plate unit 4 and used for snapping the box door and protecting the in-hole fan unit 3.

[0038] In this embodiment, the side opening box 11 includes a total of five panels, namely, top, bottom, left, right, and back. The cover unit 2 is the remaining "front panel", and the two air inlets and outlets 13 are respectively arranged on the left and right side panels.

[0039] In addition, the cover unit 2 is inserted into and removed from the snap-fit ​​frame unit 1 by appropriately bending and deforming the middle part outward, and the reinforcement plate unit 4 is used to reinforce the cover unit 2 that needs to be installed later and occasionally removed on the fixed vertical partition 12.

[0040] In addition, the in-hole fan unit 3 is located in the middle of the box body, and is used to stir the hot air in the box body and finally discharge the hot air at the air outlet.

[0041] Finally, there is the auxiliary unit 5, which has many functions, including: providing a gripping force application position for the pull-out and removal operation of the cover unit 2, providing a snap-fitting and fixing function for the box door, covering and protecting the fan blades of the fan unit 3 in the hole, and winding up excessively long fan wires.

[0042] The snap-fit ​​frame unit 1 includes a rectangular frame 101 disposed on the side of the opening of the side-opening box 11 , a snap-fit ​​groove 102 disposed on the inner side of the rectangular frame 101 , and a sealing strip 103 disposed in the snap-fit ​​groove 102 .

[0043] In this embodiment, the sealing strip 103 is a complete circle, which is fully squeezed into the engaging groove 102 to be fixed, and finally bonded.

[0044] The cover plate unit 2 includes a rectangular plate body 201 disposed in the engaging groove 102 , and an operating port 202 disposed on the rectangular plate body 201 and located at both sides of the vertical partition 12 and used for installing the cabinet door.

[0045] In this embodiment, the rectangular plate 201 is made of ordinary thin steel plate, and its length and width are 5-8 mm larger than the inner dimensions of the rectangular frame 101, ensuring that the rectangular plate 201 can be inserted into and squeezed out of the engagement groove 102 after appropriate deformation.

[0046] The operation port 202 is disposed on the upper portion of the rectangular plate body 201 .

[0047] In the prior art, the length and width of the transformer box door are relatively large so as to be able to accommodate the transformer 14. However, in this embodiment, the transformer substation is assembled, that is, the cover unit 2 is installed later, so the operation port 202 can be set very small to ensure that the buttons on the transformer 14 can be touched smoothly.

[0048] In addition, the buttons on the transformer 14 are relatively high, so the operation port 202 is set above the horizontal center line, and the area of ​​the operation port 202 is less than 50% of the front area of ​​the transformer 14, which greatly reduces the difficulty of sealing the box door, which is very efficient.

[0049] The in-hole fan unit 3 includes a mounting hole 301 arranged on the vertical partition 12, a transverse plate 302 arranged on the mounting hole 301, an end slot 303 arranged on the transverse plate 302, and a fan 304 engaged with the end slot 303.

[0050] In this embodiment, the fan 304 is composed of a motor and fan blades, and the end slot 303 is a closing slot in the shape of an isosceles trapezoid or a major arc, which is used to firmly clamp the motor.

[0051] In addition, the mounting hole 301 is located at or above the vertical middle of the vertical partition 12 to ensure that sufficient air cooling power is provided to the box body.

[0052] The reinforcement plate unit 4 includes a protruding plate 401 arranged on the inner side of the rectangular plate body 201, and a protruding block 402 arranged on the side of the protruding plate 401 and used to engage the mounting hole 301. The number of the protruding plates 401 is two, which are respectively arranged at the two sides of the vertical partition 12.

[0053] In this embodiment, the side edges of the rectangular plate 201 are firmly fixed by the snap-fit ​​grooves 102 , but there is no fixing structure in the middle. Therefore, the reinforcing plate unit 4 is introduced, and the protruding block 402 is finally squeezed into the mounting hole 301 , so that the middle part of the rectangular plate 201 can be fixed.

[0054] In addition, the shape of the mounting hole 301 is circular, and the shape of the protruding block 402 is fan-shaped.

[0055] The reinforcement plate unit 4 further includes a reinforcement groove 403 which is arranged on the end surface of the protruding plate 401 and is used to press the fan 304 .

[0056] In this embodiment, the lateral length of the motor is much larger than the thickness of the vertical partition 12, so it has protruding ends on both sides of the vertical partition 12. At this time, the two reinforcement grooves 403 are respectively engaged with the two protruding ends, which can ultimately further improve the installation stability of the fan 304 without increasing the difficulty of disassembling the cover unit 2.

[0057] The auxiliary component unit 5 includes a holding column 501 disposed on the relatively outer side of the protruding plate 401, and a U-shaped block 502 disposed on the holding column 501 and used for engaging the box door.

[0058] In this embodiment, the box door is a common structural style with a protruding block, and the protruding block is squeezed into the U-shaped block 502. Compared with the common lock connection method, this has the advantages of simpler structure, lighter weight, and sufficient snap-on fixing strength, which is in line with the light and flexible concept of assembled equipment.

[0059] The auxiliary component unit 5 further includes a holding sleeve 503 disposed on the holding column 501 , and a protruding hemispherical body 504 disposed on the inner side of the U-shaped block 502 .

[0060] In this embodiment, the material of the holding sleeve 503 is common rubber. The introduction of the protruding hemisphere 504 is used to increase the clamping and fixing strength of the auxiliary unit 5 to the protruding block of the box door. The material of the protruding hemisphere 504 is also common rubber.

[0061] The auxiliary component unit 5 further includes a circular mesh cover 505 disposed on one of the holding columns 501 and used for covering and protecting the fan blades, and an extension column 506 disposed on the other holding column 501 and used for winding the fan wires.

[0062] In this embodiment, when the operator extends his hand at the operating opening 202 to operate, the fan 304 is generally still in an on state, so the circular mesh cover 505 is introduced to separate the operator's hand and the fan blades, which is very safe.

[0063] The fan 304 may also be used on the air outlet, so its fan wire can only be appropriately longer. Therefore, when the fan 304 is used on the mounting hole 301, the excessively long fan wire is wound around the extension column 506 to prevent the fan wire from being drawn into the fan blades, which is very safe.

[0064] Finally, the reinforcement plate unit 4 and the auxiliary component unit 5 are all integrated on the inner side of the cover unit 2. The advantages of this are: first, there is no need to significantly change the structure of the substation box, so that the box still has high universal performance; second, when the cover unit 2 is removed, the reinforcement plate unit 4 and the auxiliary component unit 5 are taken out at the same time, and the maintenance operation of the latter two is also very convenient, and there is no need for maintenance personnel to reach into the box, which is very efficient and safe.

[0065] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various modifications can be made within the knowledge of ordinary technicians in the technical field without departing from the purpose of the present invention. These are all non-creative modifications and are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. An assembled dual-transformer box-type substation, comprising a side-opening box body (11), a vertical partition (12), an air inlet and outlet (13), and two transformers (14), characterized in that: It also comprises a snap-fit ​​frame unit (1) arranged on the opening side of the side-opening box (11), a cover unit (2) arranged in the snap-fit ​​frame unit (1), an in-hole fan unit (3) arranged on the vertical partition (12), a reinforcing plate unit (4) arranged on the inner side of the cover unit (2) and used for snapping the in-hole fan unit (3), and an auxiliary component unit (5) arranged on the reinforcing plate unit (4) and used for snapping the box door and protecting the in-hole fan unit (3). The snap-fit ​​frame unit (1) comprises a rectangular frame (101) arranged on the side edge of the opening of the side-opening box (11), a snap-fit ​​groove (102) arranged on the inner side of the rectangular frame (101), and a sealing strip (103) arranged in the snap-fit ​​groove (102). The cover plate unit (2) comprises a rectangular plate body (201) arranged in the engaging groove (102), and an operating port (202) arranged on the rectangular plate body (201) and located at two sides of the vertical partition plate (12) and used for installing the cabinet door. The in-hole fan unit (3) comprises a mounting hole (301) arranged on the vertical partition plate (12), a transverse plate (302) arranged on the mounting hole (301), an end slot (303) arranged on the transverse plate (302), and a fan (304) engaged with the end slot (303). The reinforcing plate unit (4) comprises a protruding plate (401) arranged on the inner side surface of the rectangular plate body (201), and a protruding block (402) arranged on the side surface of the protruding plate (401) and used to engage with the mounting hole (301), wherein the number of the protruding plates (401) is two, which are respectively arranged at two sides of the vertical partition plate (12). The auxiliary component unit (5) comprises a holding column (501) arranged on the relatively outer side of the protruding plate (401), and a U-shaped block (502) arranged on the holding column (501) and used for engaging the box door.

2. The assembled dual-transformer box-type substation according to claim 1 is characterized in that: The operation port (202) is arranged on the upper half of the rectangular plate body (201).

3. The assembled dual-transformer box-type substation according to claim 1 is characterized in that: The reinforcement plate unit (4) further comprises a reinforcement groove (403) arranged on the end surface of the protruding plate (401) and used for pressing the fan (304).

4. The assembled dual-transformer box-type substation according to claim 1 is characterized in that: The auxiliary component unit (5) further comprises a holding sleeve (503) arranged on the holding column (501), and a protruding hemispherical body (504) arranged on the inner side of the U-shaped block (502).

5. The assembled dual-transformer box-type substation according to claim 1 is characterized in that: The auxiliary component unit (5) further comprises a circular mesh cover (505) arranged on one of the holding columns (501) and used for covering and protecting the fan blades, and an extension column (506) arranged on the other holding column (501) and used for winding the fan wires.

Images