CN219106892U

CN219106892U - High-protection high-low voltage preassembled transformer substation

Info

Publication number: CN219106892U
Application number: CN202222885579.7U
Authority: CN
Inventors: 杨继兴
Original assignee: Zhejiang Xinyuan Electric Co ltd
Current assignee: Zhejiang Xinyuan Electric Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-05-30
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a high-protection high-low voltage preassembled transformer substation, which comprises U-shaped anti-collision plates, a transformer shell, a stainless steel base and a bottom support frame, wherein a hollow cavity is formed in the stainless steel base, graphite plates are filled in the hollow cavity, the U-shaped anti-collision plates are welded at equal intervals on the top of the stainless steel base, threaded holes are formed in two sides of each U-shaped anti-collision plate, locking bolts penetrate through the threaded holes, the transformer shell is sleeved between the U-shaped anti-collision plates, a transformer is installed in the transformer shell through an installation seat, a low-voltage circuit breaker is installed at the lower end of the transformer through bolts, and a high-voltage fuse is arranged at the bottom of the low-voltage circuit breaker through a limiting seat. The novel high-low voltage preassembled transformer substation has the advantages of collision prevention and damage prevention, good protection performance and suitability for wide popularization and use.

Description

High-protection high-low voltage preassembled transformer substation

Technical Field

The utility model relates to the technical field of substations, in particular to a high-protection high-low voltage preassembled substation.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in a power system, and the transformer substation in a power plant is a boosting transformer substation and is used for boosting electric energy generated by a generator and feeding the boosted electric energy into a high-voltage power grid.

The utility model discloses a box-type transformer substation and a transformer substation box, which comprises a supporting frame, wherein an inclined top cover plate is fixedly arranged on the upper end surface of the supporting frame, the transformer substation box is fixedly arranged in the supporting frame, high-voltage switch equipment is fixedly arranged in the transformer substation box, and a supporting base is fixedly arranged on the bottom end surface of the supporting frame.

The existing high-low voltage preassembled transformer substation has the following defects: the high-low voltage preassembled transformer substation cannot achieve the anti-collision and anti-damage effects, and has poor protection performance. Therefore, we propose a high-protection high-low voltage preassembled transformer substation.

Disclosure of Invention

The utility model mainly aims to provide a high-protection high-low voltage preassembled transformer substation which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a high protection nature high low pressure preassembled transformer substation, includes U-shaped anticollision board, transformer casing, stainless steel base and bottom sprag frame, be provided with cavity and cavity intussuseption in the stainless steel base and be filled with the graphite sheet, the top equidistance welding of stainless steel base has U-shaped anticollision board, the both sides of U-shaped anticollision board all are provided with screw hole and threaded hole and run through there is the lock bolt, the cover is equipped with the transformer casing between the U-shaped anticollision board, install transformer and transformer's lower extreme through the bolt installation low voltage circuit breaker through the mount pad in the transformer casing, low voltage circuit breaker's bottom is provided with high voltage fuse through spacing seat.

Further, the sealed side door is installed through the mounting bolt to the one end opening part of transformer casing, unscrews the mounting bolt and takes off sealed side door and be convenient for overhaul in the transformer casing.

Further, one side of the stainless steel base is provided with a sealing side cover through a screw, and the bottom supporting frame is utilized to stably support the stainless steel base.

Further, a bottom supporting frame is arranged at the bottom of the stainless steel base through bolts.

Further, rubber wire sleeves are sleeved at the other end of the transformer shell at equal intervals through wire holes.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model relates to a high-protection high-low voltage preassembled transformer substation, which utilizes a low-voltage circuit breaker to play a role in control in a circuit and also has certain protection functions such as overload, short circuit, undervoltage, leakage protection and the like.

2. According to the high-protection high-low voltage preassembled transformer substation, the transformer shell is conveniently and rapidly limited in the U-shaped anti-collision plate by using the threaded holes and the locking bolts, the installation and the disassembly are convenient, the anti-collision and anti-damage effects are achieved by using the U-shaped anti-collision plate, the graphite plate in the hollow cavity is convenient for absorbing heat transferred from the surface of the stainless steel base, the heat dissipation rate is improved, and heat accumulation in the transformer shell is avoided.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a high-protection high-low voltage preassembled transformer substation according to the present utility model.

Fig. 2 is a schematic diagram of a graphite plate and a hollow cavity structure of a high-protection high-low voltage preassembled transformer substation.

Fig. 3 is a schematic diagram of the internal structure of a transformer housing of the high-protection high-low voltage preassembled transformer substation.

In the figure: 1. sealing the side cover; 2. a transformer; 3. a U-shaped anti-collision plate; 4. a power transformation housing; 5. a stainless steel base; 6. a bottom support frame; 7. a threaded hole; 8. a locking bolt; 9. a graphite plate; 10. a hollow cavity; 11. a low voltage circuit breaker; 12. installing a bolt; 13. a high voltage fuse; 14. sealing the side door; 15. rubber wire sleeve.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a high-protection high-low voltage preassembled transformer substation comprises a U-shaped anti-collision plate 3, a transformer shell 4, a stainless steel base 5 and a bottom supporting frame 6, wherein a hollow cavity 10 is arranged in the stainless steel base 5, graphite plates 9 are filled in the hollow cavity 10, the U-shaped anti-collision plate 3 is welded at equal intervals on the top of the stainless steel base 5, threaded holes 7 and locking bolts 8 penetrate through the threaded holes 7 on two sides of the U-shaped anti-collision plate 3, the transformer shell 4 is sleeved between the U-shaped anti-collision plates 3, a transformer 2 is installed in the transformer shell 4 through an installation seat, a low-voltage circuit breaker 11 is installed at the lower end of the transformer 2 through bolts, and a high-voltage fuse 13 is arranged at the bottom of the low-voltage circuit breaker 11 through a limiting seat.

Wherein, the opening of one end of the power transformation shell 4 is provided with a sealing side door 14 through a mounting bolt 12.

In this embodiment, as shown in fig. 1, unscrewing the mounting bolt 12 and removing the sealing side door 14 facilitates maintenance in the transformer housing 4.

Wherein, one side of the stainless steel base 5 is provided with a sealing side cover 1 through screws.

Wherein, bottom support frame 6 is installed through the bolt to the bottom of stainless steel base 5.

In this embodiment, as shown in fig. 1, the bottom support frame 6 is used to stably support the stainless steel base 5.

Wherein, the other end of the transformer shell 4 is sleeved with a rubber wire sleeve 15 through wire holes at equal distance.

In this embodiment, as shown in fig. 1, the rubber wire sleeve 15 is used for threading, and the tightness is high.

It should be noted that, the utility model is a high-protection high-low voltage preassembled transformer substation, when in operation, the low voltage breaker 11 is utilized to play a role in control in a circuit, and has a certain protection function, such as overload, short circuit, under-voltage, leakage protection and the like, the high voltage fuse 13 is the simplest protection electric appliance, and is used for protecting electric equipment from overload and short circuit current, the transformer 2 is utilized to change the alternating voltage by utilizing the principle of electromagnetic induction to form safe and stable voltage after transformer substation treatment, the threaded hole 7 and the locking bolt 8 are utilized to facilitate the quick limit of the transformer shell 4 in the U-shaped anti-collision plate 3, the installation and the disassembly are facilitated, the U-shaped anti-collision plate 3 is utilized to play an anti-collision and anti-damage effect, the graphite plate 9 in the hollow cavity 10 is utilized to facilitate the absorption of heat transferred on the surface of the stainless steel base 5, the heat dissipation rate is improved, and the heat accumulation in the transformer shell 4 is avoided.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high protection nature high low pressure preassembled transformer substation, includes U-shaped anticollision board (3), transformer casing (4), stainless steel base (5) and bottom sprag frame (6), its characterized in that: be provided with cavity (10) and cavity (10) intussuseption in stainless steel base (5) and be filled with graphite board (9), the top equidistance welding of stainless steel base (5) has U-shaped anticollision board (3), it has locking bolt (8) to run through in screw hole (7) and screw hole (7) all to be provided with in the both sides of U-shaped anticollision board (3), the cover is equipped with transformer casing (4) between U-shaped anticollision board (3), install transformer (2) and the lower extreme of transformer (2) through the mount pad in transformer casing (4) and install low voltage circuit breaker (11) through the bolt, the bottom of low voltage circuit breaker (11) is provided with high voltage fuse (13) through spacing seat.

2. A high-protection high-low voltage prefabricated substation according to claim 1, characterized in that: a sealing side door (14) is arranged at an opening at one end of the power transformation shell (4) through a mounting bolt (12).

3. A high-protection high-low voltage prefabricated substation according to claim 1, characterized in that: one side of the stainless steel base (5) is provided with a sealing side cover (1) through a screw.

4. A high-protection high-low voltage prefabricated substation according to claim 1, characterized in that: the bottom of the stainless steel base (5) is provided with a bottom supporting frame (6) through bolts.

5. A high-protection high-low voltage prefabricated substation according to claim 1, characterized in that: the other end of the transformer shell (4) is sleeved with a rubber wire sleeve (15) through wire holes at equal intervals.