CN211125271U

CN211125271U - Noise reduction device for transformer

Info

Publication number: CN211125271U
Application number: CN202020050313.9U
Authority: CN
Inventors: 戴莉
Original assignee: Jiangsu No2 Transformer Co Ltd
Current assignee: Jiangsu No2 Transformer Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-07-28
Anticipated expiration: 2030-01-10

Abstract

The utility model belongs to the technical field of the control of making an uproar falls in electrical equipment, especially, be a device of making an uproar falls for transformer, which comprises a housin, the backup pad of setting in the casing, place the transformer body in the backup pad, fixedly connected with multiunit supporting spring on the bottom side of backup pad and the bottom inner wall of casing, the top side of casing is connected with the cap through the hinge rotation, the equal fixedly connected with multiunit sleeve in both sides inner wall of casing and the bottom of cap, be provided with damping spring in the sleeve, traveller and slide, damping spring's one end and the one end activity butt of corresponding traveller, damping spring's the other end and one side activity butt of corresponding slide. The utility model has the advantages of reasonable design, after the casing was put into to the transformer, the accessible was twisted and is moved adjusting bolt and adjust multiunit damping spring's elasticity size, made its vibrations that effectively absorbs the transformer during operation and produced, had the most noise that the absorption transformer during operation produced through the gas pocket on the absorption board, and it is dirty to reduce the noise.

Description

Noise reduction device for transformer

Technical Field

The utility model relates to an electrical equipment falls the control technical field of making an uproar, especially relates to a device of making an uproar falls for transformer.

Background

The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. In the operation process of the converter transformer, due to the fact that noise is high, serious noise pollution is generated on the periphery, and therefore the noise emitted by the converter transformer needs to be controlled. Through retrieval, chinese patent with publication number CN206194516U discloses a noise reduction cooling device for a transformer, which comprises an inner cover and an outer cover sequentially installed outside the transformer, a movable cover is installed between the inner cover and the outer cover, an installation base is installed in the ground, a groove is formed in the installation base, a spring is installed in the groove, the bottom of the movable cover is connected with the spring, and a plurality of holes are formed in the movable cover. According to the design, the movable cover can rock up, down, left and right through the connection of the movable cover and the spring, so that air vibration generated by huge noise of the transformer can be buffered and consumed through the movable cover, and the noise reduction effect is greatly increased; the design of the holes, the through holes and the fan helps the transformer to dissipate heat.

However, the above design still has the disadvantages, and the structural design of the noise reduction cooling device for the transformer designed by the above patent is not reasonable enough, and the shaking amplitude of the movable cover is too large, so that the movable cover is easy to collide with the transformer, the normal work of the transformer is influenced, and accidents easily occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art, and provides a noise reduction device for a transformer.

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

a noise reduction device for a transformer comprises a shell, a support plate arranged in the shell, and a transformer body arranged on the support plate, a plurality of groups of supporting springs are fixedly connected on the bottom side of the supporting plate and the inner wall of the bottom of the shell, the top side of the shell is rotatably connected with a shell cover through a hinge, a plurality of groups of sleeves are fixedly connected with the inner walls at the two sides of the shell and the bottom of the shell cover, a damping spring, a sliding column and a sliding plate are arranged in each sleeve, one end of each damping spring is movably abutted with one end of the corresponding sliding column, the other end of each damping spring is movably abutted with one side of the corresponding sliding plate, the other end of each sliding column extends to the outer side of the sleeve and is welded with a clamping plate, and a plurality of clamping plates are movably abutted with the outer side of the transformer body, the outer side of the sleeve is in threaded sleeve connection with an adjusting bolt, one end of the adjusting bolt extends into the sleeve and is movably abutted against the other side of the corresponding sliding plate.

Preferably, the anti-falling plate is welded on the outer side of the sliding column, the anti-falling groove matched with the anti-falling plate is formed in the inner side of the sleeve, and the anti-falling plate is sleeved in the corresponding anti-falling groove in a sliding mode, so that the sliding column cannot fall off the sleeve.

Preferably, one end of the sleeve is provided with an opening, the other end of the sleeve is provided with a threaded hole, and the adjusting bolt is sleeved in the corresponding threaded hole in a threaded manner, so that the adjusting bolt can be conveniently screwed into the sleeve.

Preferably, the same absorption plate is fixedly connected to the outer sides of the multiple groups of sleeves located on the same side of the transformer body, and multiple groups of air holes are formed in the absorption plate and used for absorbing noise and reducing noise energy.

Preferably, the top side of the supporting plate is provided with a placing groove matched with the transformer body, and the bottom side of the transformer body extends into the placing groove and is movably sleeved with the placing groove, so that the transformer body cannot excessively shake in the shell.

The utility model discloses a noise reduction device for transformer, through opening the cap, put into the standing groove on the casing inner support plate with the transformer body, after the transformer body is put into and is accomplished, cover again the cap and merge and fix on the casing, rotating adjusting bolt, adjusting bolt is at the screw hole internal rotation and to the inboard removal of telescopic, adjusting bolt promotes the slide and moves to the direction that is close to the transformer body, the in-process extrusion damping spring of slide removal, form thrust and apply to the traveller after the damping spring compression;

the noise reduction device for the transformer applies thrust to the outer side part of the transformer body through the clamping plate through the sliding column, so that the transformer body is limited in the shell, vibration generated when the transformer body works is transmitted to the supporting spring and the damping spring and is absorbed by the supporting spring and the damping spring, and noise generated when the transformer body works passes through the air holes in the absorption plate in the diffusion process, so that most of noise can be absorbed by the absorption plate;

the utility model has the advantages of reasonable design, after the casing was put into to the transformer, the accessible was twisted and is moved adjusting bolt and adjust multiunit damping spring's elasticity size, made its vibrations that effectively absorbs the transformer during operation and produced, had most noise that the absorption transformer during operation produced through the gas pocket on the absorption board, noise pollution reduction.

Drawings

Fig. 1 is a schematic structural diagram of a noise reduction device for a transformer according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a noise reduction apparatus for a transformer according to the present invention.

In the figure: 1. a transformer body; 2. a housing; 3. a support plate; 4. a support spring; 5. a sleeve; 6. a damping spring; 7. a traveler; 8. a splint; 9. a slide plate; 10. adjusting the bolt; 11. a threaded hole; 12. an absorbent sheet; 13. a drop-proof groove; 14. an anti-drop plate; 15. a shell cover; 16. and (6) placing the groove.

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.

Referring to fig. 1-2, a noise reduction device for a transformer, comprising a housing 2, a supporting plate 3 disposed in the housing 2, a transformer body 1 disposed on the supporting plate 3, a plurality of sets of supporting springs 4 fixedly connected to the bottom side of the supporting plate 3 and the inner wall of the bottom of the housing 2, a housing cover 15 rotatably connected to the top side of the housing 2 by a hinge, a plurality of sets of sleeves 5 fixedly connected to the inner walls of both sides of the housing 2 and the bottom of the housing cover 15, a damping spring 6, a sliding post 7 and a sliding plate 9 disposed in the sleeve 5, one end of the damping spring 6 movably abutted to one end of the corresponding sliding post 7, the other end of the damping spring 6 movably abutted to one side of the corresponding sliding plate 9, the other end of the sliding post 7 extending to the outside of the sleeve 5 and welded with a clamping plate 8, and the plurality of clamping plates 8 movably abutted to the outside of the transformer body, one end of the adjusting bolt 10 extends into the sleeve 5 and is movably abutted with the other side of the corresponding sliding plate 9.

The utility model discloses in, the outside welding of traveller 7 has anticreep board 14, and anticreep board 14 looks adaptation anticreep groove 13 is seted up with anticreep board to the inboard of sleeve 5, and anticreep board 14 slides and cup joints in corresponding anticreep groove 13 for traveller 7 can not drop sleeve 5.

The utility model discloses in, the one end of sleeve 5 is the opening setting, and the other end of sleeve 5 is provided with screw hole 11, and adjusting bolt 10 screw thread cup joints in corresponding screw hole 11, conveniently with adjusting bolt 10 screw in sleeve 5.

The utility model discloses in, lie in transformer body 1 with the same one same absorption board 12 of the outside fixedly connected with of multiunit sleeve 5 of one side, and be provided with the multiunit gas pocket on the absorption board 12 for the energy of noise absorption and noise reduction.

The utility model discloses in, the top side of backup pad 3 be provided with the standing groove 16 of 1 looks adaptation of transformer body, the bottom side of transformer body 1 extends to in the standing groove 16 and cup joints with the 16 activities of standing groove for transformer body 1 can not excessively rock in casing 2.

In the utility model, when in use, the shell cover 15 is opened, then the transformer body 1 is put into the placing groove 16 on the support plate 3 in the shell 2, after the transformer body 1 is put into the shell, the shell cover 15 is covered and fixed on the shell 2 again, then the adjusting bolt 10 is rotated, the adjusting bolt 10 rotates in the threaded hole 11 and moves towards the inner side of the sleeve 5, at the moment, the adjusting bolt 10 pushes the sliding plate 9 to move towards the direction close to the transformer body 1, the damping spring 6 is extruded in the moving process of the sliding plate 9, the damping spring 6 is compressed to form thrust and is applied to the sliding column 7, the sliding column 7 applies the thrust to the outer side part of the transformer body 1 through the clamping plate 8, so that the transformer body 1 is limited in the shell 2, the vibration generated in the working process of the transformer body 1 is transmitted to the support spring 4 and the damping spring 6 and is absorbed by the same, and the noise generated in the working process of the transformer body 1 passes through the air hole, the absorbing plate 12 absorbs most of the noise.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

Claims

1. A noise reduction device for a transformer comprises a shell (2), a support plate (3) arranged in the shell (2) and a transformer body (1) placed on the support plate (3), wherein a plurality of groups of support springs (4) are fixedly connected to the bottom side of the support plate (3) and the inner wall of the bottom of the shell (2), the top side of the shell (2) is rotatably connected with a shell cover (15) through a hinge, the noise reduction device is characterized in that a plurality of groups of sleeves (5) are fixedly connected to the inner walls of two sides of the shell (2) and the bottom of the shell cover (15), a damping spring (6), a sliding column (7) and a sliding plate (9) are arranged in each sleeve (5), one end of each damping spring (6) is movably abutted to one end of the corresponding sliding column (7), the other end of each damping spring (6) is movably abutted to one side of the corresponding sliding plate (9), the other end of each sliding column (7) extends to the outer side of the corresponding sleeve, and a plurality of clamping plates (8) are movably abutted against the outer side of the transformer body (1), an adjusting bolt (10) is sleeved on the outer side thread of the sleeve (5), and one end of the adjusting bolt (10) extends into the sleeve (5) and is movably abutted against the other side of the corresponding sliding plate (9).

2. The noise reduction device for the transformer according to claim 1, wherein an anti-dropping plate (14) is welded to an outer side of the sliding column (7), an anti-dropping groove (13) matched with the anti-dropping plate (14) is formed in an inner side of the sleeve (5), and the anti-dropping plate (14) is slidably sleeved in the corresponding anti-dropping groove (13).

3. The noise reduction device for the transformer according to claim 1, wherein one end of the sleeve (5) is provided with an opening, the other end of the sleeve (5) is provided with a threaded hole (11), and the adjusting bolt (10) is sleeved in the corresponding threaded hole (11) in a threaded manner.

4. The noise reduction device for the transformer according to claim 1, wherein the same absorption plate (12) is fixedly connected to the outer sides of the plurality of sets of sleeves (5) on the same side of the transformer body (1), and the absorption plate (12) is provided with a plurality of sets of air holes.

5. The noise reduction device for the transformer according to claim 1, wherein the top side of the support plate (3) is provided with a placement groove (16) adapted to the transformer body (1), and the bottom side of the transformer body (1) extends into the placement groove (16) and is movably sleeved with the placement groove (16).