CN215299049U

CN215299049U - Assembled three-phase dry-type transformer

Info

Publication number: CN215299049U
Application number: CN202121552397.7U
Authority: CN
Inventors: 李海领; 李煜
Original assignee: Shandong Beidian Electric Co ltd
Current assignee: Shandong Beidian Electric Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2021-12-24
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses an assembled three-phase dry-type transformer, including bottom plate and roof, the bottom plate is located the roof under, bottom plate and roof parallel arrangement, detachable the installing the shell body between bottom plate and the roof, the rear side outer wall fixed mounting of shell body has the reinforcement subassembly, the inside of shell body is provided with the wrapping post, the winding is organized around being provided with on the wrapping post. An assembled three-phase dry-type transformer, but whole split to in order to carry, in addition, the shell body rear side sets up the reinforcement subassembly, mainly forms by horizontal strengthening rib and vertical strengthening rib welding, form the latticed strengthening rib structure of rectangle, improve shell body structural strength, and, horizontal strengthening rib is the copper pipe with vertical strengthening rib, excellent heat conductivility has, set up the thru hole on the vertical strengthening rib, increase inside and outside the copper pipe and space area of contact, improve the air convection and the radiating effect who brings, bring better use prospect.

Description

Assembled three-phase dry-type transformer

Technical Field

The utility model relates to a dry-type transformer field, in particular to assembled three-phase dry-type transformer.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The product has low performance loss, good energy-saving effect, economic operation and no maintenance. Besides the short circuit resistance and high lightning impulse level, the lightning protection device also has the characteristics of flame resistance, moisture resistance, dust prevention, low noise and the like, and can go deep into a load center.

At present, the dry-type transformer is widely applied to high-rise buildings, airports, stations, docks, power plants, transformer substations and the like. The utility model discloses a traditional three-phase dry-type transformer, the utility model discloses a traditional three-phase dry-type transformer has been proposed to chinese utility model patent with publication number CN209626016U, it is used for low-voltage class mostly to have proposed in this patent, for example 35kV, can have the insulating level not enough when under the condition of higher voltage class (for example 110kV voltage class), can not satisfy the problem of the requirement of the insulating withstand voltage ability of 110kV voltage class, simultaneously, through setting the inlet wire end at the middle part of each side high-voltage coil in this patent, promote the ability of the inlet wire end of each side high-voltage coil to withstand the lightning impulse voltage, and then promote the ability of the lightning impulse voltage of whole three-phase dry-type transformer, satisfy the requirement of the insulating withstand voltage ability of three-phase dry-type transformer under 110kV voltage class. However, the 110kV three-phase dry-type transformer still has certain disadvantages in practical use, such as large structural size, difficulty in disassembling the whole body, and difficulty in carrying.

Disclosure of Invention

A primary object of the present invention is to provide an assembled three-phase dry-type transformer, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an assembled three-phase dry-type transformer, includes bottom plate and roof, the bottom plate is located the roof under, bottom plate and roof parallel arrangement, the detachable shell body of installing between bottom plate and the roof, the rear side outer wall fixed mounting of shell body has the reinforcement subassembly, the inside of shell body is provided with the wrapping post, the winding is organized around being provided with on the wrapping post.

Preferably, the bottom of shell body is provided with first dysmorphism flange, the connected mode between shell body and the first dysmorphism flange is seamless welding, the top of shell body is provided with second dysmorphism flange, the connected mode between shell body and the second dysmorphism flange is seamless welding.

Preferably, a first bolt is arranged between the first special-shaped flange and the bottom plate, the first special-shaped flange is detachably connected with the bottom plate through the first bolt, a second bolt is arranged between the second special-shaped flange and the top plate, and the second special-shaped flange is detachably connected with the top plate through the second bolt.

Preferably, the main body part of the reinforcing component is a reinforcing rib, the reinforcing rib is formed by welding a transverse reinforcing rib and a longitudinal reinforcing rib, the reinforcing rib is in a rectangular grid shape, the transverse reinforcing rib and the longitudinal reinforcing rib are copper tubes, and through holes are formed in the longitudinal reinforcing rib.

Preferably, the top of the bottom plate is fixedly provided with a first positioning sleeve, the bottom of the top plate is fixedly provided with a second positioning sleeve, the wrapping post is coaxially aligned with the first positioning sleeve and the second positioning sleeve, the bottom end of the wrapping post is inserted into the first positioning sleeve, and the top end of the wrapping post is inserted into the second positioning sleeve.

Preferably, the top edge and the bottom edge of wrapping post are all fixed mounting and have spacing strip, spacing slot has all been seted up with second positioning sleeve's inner wall to first positioning sleeve, the quantity of spacing strip counts four groups altogether, the quantity of spacing slot counts four groups altogether.

Compared with the prior art, the utility model discloses following beneficial effect has: this assembled three-phase dry-type transformer, shell body and roof, dismouting easy operation between the bottom plate, the spool all adopts the cartridge mode to accomplish the installation, the dismouting of being convenient for equally, it is whole detachable, so that carry, in addition, the shell body rear side sets up the reinforcement subassembly, mainly form by horizontal strengthening rib and vertical strengthening rib welding, form the latticed strengthening rib structure of rectangle, improve shell body structural strength, and, horizontal strengthening rib is the copper pipe with vertical strengthening rib, excellent heat conductivity has, set up the thru hole on the vertical strengthening rib, increase inside and outside and space area of contact of copper pipe, improve the air convection and the radiating effect who brings, do benefit to people and use, simple structure, high durability and convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a front view of the assembled three-phase dry-type transformer of the present invention.

Fig. 2 is a rear view of the assembled three-phase dry-type transformer of the present invention.

Fig. 3 is the utility model relates to a reinforced assembly's among assembled three-phase dry-type transformer structural schematic.

Fig. 4 is a partial view of an assembled three-phase dry-type transformer according to the present invention.

Fig. 5 is a schematic structural view of the wrapping post and the first positioning sleeve in the assembled three-phase dry-type transformer.

In the figure: 1. a base plate; 2. a top plate; 3. an outer housing; 4. a first profiled flange; 5. a second profiled flange; 6. a reinforcement assembly; 7. reinforcing ribs; 8. through holes; 9. winding; 10. a winding post; 11. a first positioning sleeve; 12. a second positioning sleeve; 13. a limiting strip; 14. and limiting the slot.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, an assembled three-phase dry-type transformer includes a bottom plate 1 and a top plate 2, the bottom plate 1 is located under the top plate 2, the bottom plate 1 and the top plate 2 are arranged in parallel, an outer shell 3 is detachably installed between the bottom plate 1 and the top plate 2, the whole body can be detached, so as to facilitate carrying, a reinforcing component 6 is fixedly installed on the rear outer wall of the outer shell 3, the structural strength of the outer shell 3 is improved, a winding post 10 is arranged inside the outer shell 3, and a winding set 9 is arranged on the winding post 10 in a surrounding manner.

Example two:

as shown in fig. 1, the bottom of the outer shell 3 is provided with a first special-shaped flange 4, the connection mode between the outer shell 3 and the first special-shaped flange 4 is seamless welding, the top of the outer shell 3 is provided with a second special-shaped flange 5, the connection mode between the outer shell 3 and the second special-shaped flange 5 is seamless welding, a first bolt is arranged between the first special-shaped flange 4 and the bottom plate 1, the first special-shaped flange 4 is detachably connected with the bottom plate 1 through the first bolt, a second bolt is arranged between the second special-shaped flange 5 and the top plate 2, the second special-shaped flange 5 is detachably connected with the top plate 2 through the second bolt, the outer shell 3 and the bottom plate 1, and the top plate 2 is easy to disassemble and assemble.

Example three:

as shown in fig. 2 and 3, the main part of the reinforcing component 6 is a reinforcing rib 7, the reinforcing rib 7 is formed by welding a transverse reinforcing rib and a longitudinal reinforcing rib, the reinforcing rib 7 is in a rectangular grid shape, the transverse reinforcing rib and the longitudinal reinforcing rib are copper pipes, through holes 8 are formed in the longitudinal reinforcing rib, a rectangular grid reinforcing rib 7 structure is formed, the structural strength of the outer shell 3 is improved, furthermore, the transverse reinforcing rib and the longitudinal reinforcing rib are both copper pipes, the excellent heat conduction capability is realized, the through holes 8 formed in the longitudinal reinforcing rib are increased, the contact area between the inside and the outside of the copper pipe and the space is increased, and the heat dissipation effect caused by air convection is improved.

Example four:

bottom plate 1's top fixed mounting has first locating sleeve 11, the bottom fixed mounting of roof 2 has second locating sleeve 12, wrapping post 10 and first locating sleeve 11, second locating sleeve 12 coaxial counterpoint, the bottom cartridge of wrapping post 10 is in first locating sleeve 11, the top cartridge of wrapping post 10 is in second locating sleeve 12, the installation of wrapping post 10 is accomplished to the mode of adopting the cartridge, the dismouting of being convenient for equally, the equal fixed mounting in top edge and the bottom edge of wrapping post 10 has spacing 13, spacing slot 14 has all been seted up to the inner wall of first locating sleeve 11 and second locating sleeve 12, the quantity of spacing 13 counts four groups, the quantity of spacing slot 14 counts four groups, play the limiting displacement to wrapping post 10, make it can not turn round.

It should be noted that, the utility model relates to an assembled three-phase dry-type transformer, shell body 3 and roof 2, dismouting easy operation between the bottom plate 1, the installation is all accomplished to the wrapping post 10 adoption cartridge mode, the dismouting of being convenient for equally, but whole split, so that carry, install to the destination after accomplishing the equipment, accomplish the line connection then, can put into use, wherein, shell body 3 rear side sets up reinforcement assembly 6, mainly form by horizontal strengthening rib and vertical strengthening rib welding, form the latticed strengthening rib 7 structure of rectangle, improve shell body 3 structural strength, and, horizontal strengthening rib is the copper pipe with vertical strengthening rib, excellent heat conductivility has, thru hole 8 of seting up on the vertical strengthening rib, can increase inside and outside and space area of contact of copper pipe, improve the heat dissipation effect that the air convection brought, and is comparatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An assembled three-phase dry-type transformer, includes bottom plate (1) and roof (2), its characterized in that: bottom plate (1) is located roof (2) under, bottom plate (1) and roof (2) parallel arrangement, detachable shell body (3) of installing between bottom plate (1) and roof (2), the rear side outer wall fixed mounting of shell body (3) has reinforcement assembly (6), the inside of shell body (3) is provided with wrapping post (10), it is provided with wire winding group (9) to encircle on wrapping post (10).

2. An assembled three-phase dry transformer according to claim 1, wherein: the bottom of shell body (3) is provided with first dysmorphism flange (4), the connected mode between shell body (3) and first dysmorphism flange (4) is seamless welding, the top of shell body (3) is provided with second dysmorphism flange (5), the connected mode between shell body (3) and second dysmorphism flange (5) is seamless welding.

3. An assembled three-phase dry transformer as claimed in claim 2, wherein: be provided with first bolt between first dysmorphism flange (4) and bottom plate (1), first dysmorphism flange (4) are connected through first bolt and bottom plate (1) detachable, be provided with the second bolt between second dysmorphism flange (5) and roof (2), second dysmorphism flange (5) are connected through second bolt and roof (2) detachable.

4. An assembled three-phase dry transformer according to claim 1, wherein: the main part of reinforcing component (6) is strengthening rib (7), strengthening rib (7) are formed by horizontal strengthening rib and vertical strengthening rib welding, strengthening rib (7) are the grid form of rectangle, horizontal strengthening rib and vertical strengthening rib are the copper pipe, and have seted up thru hole (8) on the vertical strengthening rib.

5. An assembled three-phase dry transformer according to claim 1, wherein: the top fixed mounting of bottom plate (1) has first locating sleeve (11), the bottom fixed mounting of roof (2) has second locating sleeve (12), wrapping post (10) and first locating sleeve (11), second locating sleeve (12) coaxial counterpoint, the bottom cartridge of wrapping post (10) is in first locating sleeve (11), the top cartridge of wrapping post (10) is in second locating sleeve (12).

6. An assembled three-phase dry transformer according to claim 5, wherein: the utility model discloses a winding post, including first locating sleeve (11), second locating sleeve (12), the top edge of wrapping post (10) and the equal fixed mounting in bottom edge have spacing strip (13), spacing slot (14) have all been seted up with the inner wall of second locating sleeve (11), the quantity of spacing strip (13) counts four groups altogether, the quantity of spacing slot (14) counts four groups altogether.