CN213519557U

CN213519557U - Low-noise dry-type transformer noise reduction structure

Info

Publication number: CN213519557U
Application number: CN202022995083.6U
Authority: CN
Inventors: 王子健; 赵辉; 郭建利; 石涛; 胡霞
Original assignee: Lubian Electric Co ltd
Current assignee: Lubian Electric Co ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-06-22
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses a structure of making an uproar falls in low noise dry-type transformer of transformer technical field of making an uproar falls, including the transformer body, transformer body upper end sets up damping device and connects the connection piece, damping device connects the base under the transformer body lower extreme sets up, lower damping device includes the support seat, it sets up the supporting channel to go up the support seat lower extreme, go up the fixed spring that sets up in the middle of the supporting channel, the bottom suspension groove bottom is connected to the spring lower extreme, the bottom suspension groove sets up in the bottom suspension seat upper end, set up the center pillar in the spring, the center pillar upper end is fixed on the top suspension groove top, the center pillar lower extreme is fixed in the bottom suspension groove bottom, the center pillar is scalable pole, the bottom suspension seat lower extreme. Through setting up supporting seat, under bracing seat, spring, center pillar, going up supporting slot and under bracing groove, can carry out the damping to dry-type transformer to noise abatement's production, the position of spring is injectd to the center pillar prevents that the spring from warping.

Description

Low-noise dry-type transformer noise reduction structure

Technical Field

The utility model relates to a technical field that makes an uproar falls in the transformer specifically is a structure of making an uproar falls in low noise dry-type transformer.

Background

The dry-type transformer is widely used in places such as local lighting, high-rise buildings, airports, wharf CNC mechanical equipment and the like, and simply, the dry-type transformer refers to a transformer with an iron core and a winding which are not immersed in insulating oil.

The existing dry-type transformer generates larger noise due to vibration, and the use is influenced.

Accordingly, one skilled in the art provides a noise reduction structure of a low noise dry type transformer to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a structure of making an uproar falls in low noise dry-type transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a noise reduction structure of a low-noise dry-type transformer comprises a transformer body, wherein the upper end of the transformer body is provided with an upper vibration damper which is connected with an upper mounting block, the lower end of the transformer body is provided with a lower vibration damping device which is connected with a base, the lower vibration damping device comprises an upper supporting seat, the lower end of the upper supporting seat is provided with an upper supporting groove, the middle in the upper supporting groove is fixedly provided with a spring, the lower end of the spring is connected with the bottom end of the lower supporting groove, the lower supporting groove is arranged at the upper end of the lower supporting seat, a center pillar is arranged in the spring, the upper end of the center pillar is fixed at the top end of the upper supporting groove, the lower end of the middle post is fixed at the bottom end of the lower support groove, the middle post is a telescopic rod, the lower end of the lower support seat is provided with an installation sheet, the mounting plate is provided with three to four screws, the upper end and the lower end of the shell are mounted in mounting grooves, and the mounting grooves are formed in the upper end of the base and the lower end of the upper mounting block. Through setting up supporting seat, under bracing seat, spring, center pillar, going up supporting slot and under bracing groove, can carry out the damping to dry-type transformer to noise abatement's production, the position of spring is injectd to the center pillar prevents that the spring from warping.

As a further aspect of the present invention: the inner wall is fixed on the front and back inner wall of the shell and is provided with a first damping material, and the inner wall is fixed on the left and right inner wall of the shell and is provided with a second damping material. Through setting up first damping material and second damping material, the damping material is the material that converts solid mechanical vibration energy into heat energy and dissipate, mainly used vibration and noise control can weaken the vibration of device in the transmission process.

As a further aspect of the present invention: and the outer wall of the shell is provided with a sound absorption material. Through the arrangement of the sound absorption material, the sound absorption material is a material with strong sound energy absorption and noise reduction performance, and the material with the absorption effect on incident sound energy by virtue of the porosity, the film effect or the resonance effect of the sound absorption material can further absorb noise outside the shell.

As a further aspect of the present invention: the mounting groove is internally provided with a wedge strip which is arranged between the shell and the mounting groove. Through setting up the wedge strip, can make the casing chucking more stable in the mounting groove with the casing in the mounting groove, reduce the vibration that the casing produced simultaneously.

As a further aspect of the present invention: and a rubber gasket is arranged between the screw and the mounting piece. Through setting up the rubber gasket, can reduce the vibration of screw.

As a further aspect of the present invention: the lower end of the edge of the upper supporting seat is provided with a plurality of limiting columns, the lower ends of the limiting columns are fixedly connected to the top end of the lower supporting seat, and the limiting columns are telescopic rods. Through setting up spacing post, can inject the position between upper support seat and the lower support seat to it, prevent the offset.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through setting up supporting seat, under bracing seat, spring, center pillar, go up supporting groove and under bracing groove, can carry out the damping to dry-type transformer to noise reduction's production, the position of spring is injectd to the center pillar prevents that the spring from warping.

2. The utility model discloses in, through setting up first damping material and second damping material, damping material is the material that changes solid mechanical vibration energy into heat energy and dissipation, and mainly used vibration and noise control can weaken the vibration of device in transmission process.

Drawings

Fig. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic sectional structure diagram of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;

fig. 4 is an enlarged sectional structure diagram of the middle vibration damping device of the present invention.

In the figure: 1. a transformer body; 2. a housing; 3. an upper mounting block; 4. a base; 5. an upper vibration damping device; 6. a lower vibration damping device; 7. a sound absorbing material; 8. a first damping material; 9. a second damping material; 10. an upper support base; 11. a limiting column; 12. a lower support groove; 13. a center pillar; 14. a spring; 15. a lower support seat; 16. mounting a sheet; 17. a screw; 18. a rubber gasket; 19. mounting grooves; 20. a wedge strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in the embodiment of the present invention, a noise reduction structure of a low noise dry-type transformer includes a transformer body 1, an upper vibration damping device 5 is disposed at the upper end of the transformer body 1, the upper vibration damping device 5 is connected to an upper mounting block 3, a lower vibration damping device 6 is disposed at the lower end of the transformer body 1, the lower vibration damping device 6 is connected to a base 4, the lower vibration damping device 6 includes an upper support base 10, an upper support groove is disposed at the lower end of the upper support base 10, a spring 14 is fixedly disposed at the middle of the upper support groove, the lower end of the spring 14 is connected to the bottom end of a lower support groove 12, the lower end of the lower support groove 12 is disposed at the upper end of a lower support base 15, a center pillar 13 is disposed in the spring 14, the upper end of the center pillar 13 is fixed to the top end of the upper support groove, the lower end of the center pillar 13 is fixed to, the mounting grooves 19 are arranged at the upper end of the base 4 and the lower end of the upper mounting block 3; the dry type transformer can be damped by providing the upper support seat 10, the lower support seat 15, the spring 14, the center pillar 13, the upper support groove and the lower support groove 12, so that the generation of noise is reduced, the center pillar 13 defines the position of the spring 14, and the spring 14 is prevented from being deformed.

Wherein, the front and back inner walls of the shell 2 are fixedly provided with a first damping material 8, and the left and right inner walls of the shell 2 are fixedly provided with a second damping material 9; by providing the first damping material 8 and the second damping material 9, the damping material is a material which converts solid mechanical vibration energy into heat energy for dissipation, is mainly used for vibration and noise control, and can weaken the vibration of the device in the transmission process.

The outer wall of the shell 2 is provided with a sound absorption material 7; by providing the sound absorbing material 7, the sound absorbing material 7 is a material having strong sound absorbing and noise reducing properties, and can further absorb noise outside the casing 2 by its own porosity, film function or resonance function and having an absorbing function for incident sound energy.

A wedge strip 20 is arranged in the mounting groove 19, and the wedge strip 20 is arranged between the shell 2 and the mounting groove 19; through setting up wedge strip 20, can be with casing 2 chucking in mounting groove 19, make casing 2 more stable in mounting groove 19, reduce the vibration that casing 2 produced simultaneously.

A rubber gasket 18 is arranged between the screw 17 and the mounting piece 16; by providing the rubber gasket 18, the vibration of the screw 17 can be reduced.

The lower end of the edge of the upper supporting seat 10 is provided with a plurality of limiting columns 11, the lower ends of the limiting columns 11 are fixedly connected to the top end of the lower supporting seat 15, and the limiting columns 11 are telescopic rods; by providing the stopper columns 11, the positional alignment between the upper support base 10 and the lower support base 15 can be defined, preventing positional deviation.

The utility model discloses a theory of operation is: the lower vibration damping device 6 comprises an upper supporting seat 10, an upper supporting groove is arranged at the lower end of the upper supporting seat 10, a spring 14 is fixedly arranged in the middle of the upper supporting groove, the lower end of the spring 14 is connected with the bottom end of a lower supporting groove 12, the lower supporting groove 12 is arranged at the upper end of a lower supporting seat 15, a center pillar 13 is arranged in the spring 14, the upper end of the center pillar 13 is fixed at the top end of the upper supporting groove, the lower end of the center pillar 13 is fixed at the bottom end of the lower supporting groove 12, the center pillar 13 is a telescopic rod, the vibration of the dry-type transformer can be damped by arranging the upper supporting seat 10, the lower supporting seat 15, the spring 14, the center pillar 13, the upper supporting groove and the lower supporting groove 12, so as to reduce the generation of noise, the center pillar 13 limits the position of the spring 14 and prevents the deformation of the spring 14, wherein a first damping material 8 is fixedly arranged on the, mainly used for vibration and noise control, can weaken the vibration of the device in the transmission process, set up the sound absorbing material 7 on the outer wall of body 2, the sound absorbing material 7 is the material with stronger absorbed sound energy, reduce the noise performance, material with the absorption to incident sound energy by self porosity, membrane effect or resonance effect, can further absorb noise outside body 2, set up the wedge strip 20 in the mounting groove 19, the wedge strip 20 sets up between body 2 and mounting groove 19, can be in the mounting groove 19 of chucking body 2, make body 2 more stable in the mounting groove 19, reduce the vibration that body 2 produced at the same time, set up the rubber gasket 18 between screw 17 and mounting plate 16, can reduce the vibration of screw 17, the edge lower extreme of upper support seat 10 sets up a plurality of spacing posts 11, the lower extreme fixed connection of spacing post 11 is on the top of lower support seat 15, spacing post 11 is scalable pole, it is possible to define the position between the upper support 10 and the lower support 15 against the positional deviation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a structure of making an uproar falls in low noise dry-type transformer, includes transformer body (1), its characterized in that: the upper end of the transformer body (1) is provided with an upper vibration damper (5), the upper vibration damper (5) is connected with an upper mounting block (3), the lower end of the transformer body (1) is provided with a lower vibration damper (6), the lower vibration damper (6) is connected with a base (4), the lower vibration damper (6) comprises an upper supporting seat (10), the lower end of the upper supporting seat (10) is provided with an upper supporting groove, a spring (14) is fixedly arranged in the middle of the upper supporting groove, the lower end of the spring (14) is connected with the bottom end of a lower supporting groove (12), the lower supporting groove (12) is arranged on the upper end of a lower supporting seat (15), a center pillar (13) is arranged in the spring (14), the upper end of the center pillar (13) is fixed at the top end of the upper supporting groove, the lower end of the center pillar (13) is fixed at the bottom end of the lower supporting groove (12), the center pillar (, the mounting piece (16) is provided with three to four screws (17), the upper end and the lower end of the shell (2) are mounted in a mounting groove (19), and the mounting groove (19) is formed in the upper end of the base (4) and the lower end of the upper mounting block (3).

2. The noise reduction structure of a low noise dry type transformer according to claim 1, wherein: the damping device is characterized in that a first damping material (8) is fixedly arranged on the front inner wall and the rear inner wall of the shell (2), and a second damping material (9) is fixedly arranged on the left inner wall and the right inner wall of the shell (2).

3. The noise reduction structure of a low noise dry type transformer according to claim 1, wherein: and a sound absorption material (7) is arranged on the outer wall of the shell (2).

4. The noise reduction structure of a low noise dry type transformer according to claim 1, wherein: wedge strips (20) are arranged in the mounting grooves (19), and the wedge strips (20) are arranged between the shell (2) and the mounting grooves (19).

5. The noise reduction structure of a low noise dry type transformer according to claim 1, wherein: a rubber gasket (18) is arranged between the screw (17) and the mounting piece (16).

6. The noise reduction structure of a low noise dry type transformer according to claim 1, wherein: go up supporting seat (10) edge lower extreme and set up a plurality of spacing post (11), spacing post (11) lower extreme fixed connection is on lower carriage (15) top, spacing post (11) are scalable pole.