CN216119827U

CN216119827U - Noise reduction structure of transformer

Info

Publication number: CN216119827U
Application number: CN202122691747.4U
Authority: CN
Inventors: 苏敬邦; 韩建华; 叶保强; 谷冰心
Original assignee: Guangdong Huafang Architect & Engineering Co ltd
Current assignee: Guangdong Huafang Architect & Engineering Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-03-22
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a noise reduction structure of a transformer, which comprises a dry-type transformer body, a cooling fan and a transformer box, the dry-type transformer body and the cooling fan are arranged in the transformer box, the bottom end of the transformer box is fixedly connected with an I-shaped channel steel, i-shaped channel steel is arranged at the transformation box outside the dry-type transformer body and the cooling fan, the bottom end of the I-shaped channel steel is screwed by bolts, a damping spring shock absorber is arranged, the damping spring shock absorber is screwed with the transformer foundation by means of foundation bolts, and a gravel shock absorption layer is filled between a structural floor slab above the structural beam and the structural limiting frame for supporting the transformer foundation, and backfill soil is filled among the structural floor slab, the structural limit frame and the building finish surface, and by means of the shock absorption and the noise reduction of the damping spring shock absorber, and the gravel shock-absorbing layer and the backfill soil directly absorb vibration energy, so that the installation and the noise reduction of the transformer body are realized.

Description

Noise reduction structure of transformer

Technical Field

The utility model relates to the technical field of transformer noise reduction, in particular to a transformer noise reduction structure.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.

Transformers can be divided into: distribution transformers, power transformers, fully enclosed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, reactors, anti-interference transformers, lightning protection transformers, box-type transformer test transformers, corner transformers, high current transformers, excitation transformers, etc.

Patent No. CN 202023188015.5's a structure of making an uproar falls in transformer, include the transformer body and fix the insulated column in the transformer body top, the external fixation of transformer body has quick-witted case, machine incasement portion is fixed with the oil tank, be equipped with opening and opening part on the oil tank and be fixed with liquid filter screen, the oil tank bottom is fixed with the oil spout subassembly, the oil spout subassembly includes the oil pump, be connected with the nozzle on oil pipe and the oil pipe on the oil pump, the inside of transformer body is fixed with many hollow bars, the quick-witted incasement portion is stretched into to the same one end of many hollow bars, many hollow bars are close to one of oil tank and serve and all be equipped with the fan that admits air, the one side of the direction of blowing of admitting air the fan for keeping away from the oil tank, be equipped with a plurality of through-holes with the inside intercommunication of transformer body on the hollow bar. The transformer is cooled continuously when in use, the damage to internal parts caused by high temperature is reduced, the service life of the transformer is prolonged, noise generated inside can be absorbed, and the noise generated by the transformer is reduced.

Along with the improvement of living standard of people, people also put forward higher requirements on living environment, for example, the control requirement on environmental noise is continuously improved, and when people are in a dark night, the noise vibration generated by a transformer in a community is the most disturbing noise of people, not the noise of a road. Because the requirement of the existing residential project on a power transformation room is high, and a first floor of a community needs to be placed, based on a space level and economic consideration, the power transformation room is generally arranged on an overhead floor of a residence or close to a skirt house of a high-rise residence, and is arranged on a floor, a space of a lower floor is generally arranged below the power transformation room, the noise of a transformer is particularly obvious, and troubles are brought to nearby residents.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a transformer noise reduction structure which can effectively solve the problems in the background technology.

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

the utility model provides a structure of making an uproar falls in transformer, includes dry-type transformer body, cooling blower and transformer case, the internally mounted of transformer case has dry-type transformer body and cooling blower, and the bottom fixedly connected with I-shaped channel-section steel of transformer case, the screw thread has connect the bolt soon between the bottom of I-shaped channel-section steel and the damping spring shock absorber, and the screw thread has connect rag bolt soon between the bottom of damping spring shock absorber and the transformer basis, it has the gravel buffer layer to fill between transformer basis and structural floor and the spacing frame of structure, and the bottom fixedly connected with structure roof beam of structural floor, it has backfill soil to fill between the outside of the spacing frame of structure and structural floor and the building completion.

Further, the transformer foundation is downwards embedded into the interior of the gravel shock-absorbing layer; the transformer foundation is embedded and fixed in the gravel shock-absorbing layer.

Further, the structural limiting frames are symmetrically arranged on the surface of the structural floor slab; the structure limiting frame is symmetrically fixed on the surface of the structural floor slab.

Furthermore, a hole is formed in the inner plate surface of the I-shaped channel steel, and a bolt is screwed between the hole of the I-shaped channel steel and the damping spring absorber through threads; the bolt is screwed with the damping spring absorber from the inner plate surface hole of the I-shaped channel steel.

Furthermore, the foundation bolts are screwed and fixed with the transformer foundation on two sides of the base body at the bottom end of the damping spring shock absorber; and foundation bolts are arranged on two sides of a base body at the bottom end of the damping spring shock absorber and are in screwed connection with a transformer foundation.

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

according to the utility model, the I-shaped channel steel is arranged at the transformer box outside the dry-type transformer body and the cooling fan, the bottom end of the I-shaped channel steel is screwed by virtue of the bolt, the damping spring damper is screwed by virtue of the foundation bolt to the transformer foundation, meanwhile, a gravel damping layer is filled between the structural floor slab above the structural beam and the structural limiting frame to support the transformer foundation, backfill soil is filled between the structural floor slab, the structural limiting frame and the building completion surface, and the vibration energy is directly absorbed by virtue of the damping and noise reduction of the damping spring damper and the gravel damping layer and the backfill soil, so that the installation and noise reduction of the transformer body are realized.

Drawings

Fig. 1 is a schematic view of an overall structure of a noise reduction structure of a transformer according to the present invention.

Fig. 2 is a schematic diagram of a basic connection structure of a transformer noise reduction structure according to the present invention.

In the figure: 1. a dry-type transformer body; 2. a cooling fan; 3. i-shaped channel steel; 4. building a finished surface; 5. backfilling; 6. a structural floor slab; 7. a damping spring shock absorber; 8. a transformer base; 9. a gravel shock-absorbing layer; 10. a structural limit frame; 11. a structural beam, 12, anchor bolts; 13. and (4) bolts.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-2, a transformer noise reduction structure comprises a dry-type transformer body 1, a cooling fan 2 and a transformer box 14, wherein the dry-type transformer body 1 and the cooling fan 2 are installed inside the transformer box 14, an i-shaped channel steel 3 is fixedly connected to the bottom end of the transformer box 14, a bolt 13 is screwed between the bottom end of the i-shaped channel steel 3 and a damping spring absorber 7 through a thread, an anchor bolt 12 is screwed between the bottom end of the damping spring absorber 7 and a transformer foundation 8 through a thread, a gravel shock absorption layer 9 is filled between the transformer foundation 8 and a structural floor slab 6 and between the transformer foundation 8 and a structural limiting frame 10, a structural beam 11 is fixedly connected to the bottom end of the structural floor slab 6, and backfill soil 5 is filled between the outer side of the structural limiting frame 10 and the structural floor slab 6 and a construction finished surface 4.

Wherein, the transformer foundation 8 is downwards embedded into the gravel shock-absorbing layer 9; the transformer foundation 8 is embedded and fixed in the gravel shock-absorbing layer 9.

Wherein, the structure limiting frames 10 are symmetrically arranged on the surface of the structure floor slab 6; the structural limiting frame 10 is symmetrically fixed on the surface of the structural floor slab 6.

A hole is formed in the inner plate surface of the I-shaped channel steel 3, and a bolt 13 is screwed between the hole of the I-shaped channel steel 3 and the damping spring absorber 7; the bolt 13 is screwed with the damping spring absorber 7 from the inner plate surface hole of the I-shaped channel steel 3.

The foundation bolts 12 are screwed and fixed with the transformer foundation 8 at two sides of the base at the bottom end of the damping spring shock absorber 7; and foundation bolts 12 are arranged on two sides of a base body at the bottom end of the damping spring shock absorber 7 and are in screwed connection with a transformer foundation 8.

The utility model is to be noted that the utility model is a transformer noise reduction structure, wherein an i-shaped channel steel 3 is arranged at a transformer box 14 outside a dry-type transformer body 1 and a cooling fan 2, the bottom end of the i-shaped channel steel 3 is screwed by a bolt 13, a damping spring absorber 7 is screwed by a foundation bolt 12, the damping spring absorber 7 is screwed by a transformer foundation 8 by a foundation bolt 12, a gravel shock-absorbing layer 9 is filled between a structural floor slab 6 above a structural beam 11 and a structural limit frame 10 to support the transformer foundation 8, backfill soil 5 is filled between the structural floor slab 6, the structural limit frame 10 and a building finish surface 4, and the installation and noise reduction of the transformer body 1 are realized by the shock-absorbing and noise-reducing vibration energy of the damping spring absorber 7 and the direct absorption of the gravel shock-absorbing layer 9 and the backfill soil 5.

The utility model relates to a transformer noise reduction structure, which comprises a transformer body 1 and a dry-type transformer body; 2. a cooling fan; 3. i-shaped channel steel; 4. building a finished surface; 5. backfilling; 6. a structural floor slab; 7. a damping spring shock absorber; 8. a transformer base; 9. a gravel shock-absorbing layer; 10. a structural limit frame; 11. a structural beam; 12. anchor bolts; 13. a bolt; 14. the components of the transformer box are all universal standard components or components known by a person skilled in the art, and the structure and the principle of the transformer box are known by technical manuals or conventional experimental methods.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a structure of making an uproar falls in transformer, includes dry-type transformer body (1), cooling blower (2) and transformer case (14), its characterized in that: the transformer box is characterized in that a dry-type transformer body (1) and a cooling fan (2) are mounted inside the transformer box (14), an I-shaped channel steel (3) is fixedly connected to the bottom end of the transformer box (14), a bolt (13) is screwed between the bottom end of the I-shaped channel steel (3) and a damping spring absorber (7), a foundation bolt (12) is screwed between the bottom end of the damping spring absorber (7) and a transformer foundation (8), a gravel damping layer (9) is filled between the transformer foundation (8) and a structural floor slab (6) and between the transformer foundation (8) and a structural limiting frame (10), a structural beam (11) is fixedly connected to the bottom end of the structural floor slab (6), and backfill soil (5) is filled between the outer side of the structural limiting frame (10) and the structural floor slab (6) and a building completion face (4).

2. The transformer noise reduction structure according to claim 1, wherein: the transformer foundation (8) is downwards embedded into the gravel shock-absorbing layer (9).

3. The transformer noise reduction structure according to claim 1, wherein: the structure limiting frames (10) are symmetrically arranged on the surface of the structure floor slab (6).

4. The transformer noise reduction structure according to claim 1, wherein: a hole is formed in the inner plate surface of the I-shaped channel steel (3), and a bolt (13) is screwed between the hole of the I-shaped channel steel (3) and the damping spring absorber (7).

5. The transformer noise reduction structure according to claim 1, wherein: and the foundation bolts (12) are screwed and fixed with the transformer foundation (8) at two sides of the base body at the bottom end of the damping spring shock absorber (7).