CN211404268U

CN211404268U - Noise reduction device for transformer

Info

Publication number: CN211404268U
Application number: CN202020047192.2U
Authority: CN
Inventors: 石玉坤; 余晓斌; 石秀石
Original assignee: Anhui Zhongliu Power Equipment Co ltd
Current assignee: Anhui Zhongliu Power Equipment Co ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-09-01
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a device of making an uproar falls that transformer was used, including shell and rack, one side inner wall of shell has first puigging through the fix with screw, and the top outer wall of first puigging has noise generator through the fix with screw, and the bottom has been laid to the bottom inner wall of shell, and the bottom be the cobble layer, and air pipe has been seted up to shell one side outer wall, and air pipe one side inner wall has the ventilation muffler through the fix with screw, rack bottom inner wall has first rubber shock absorber pad through the fix with screw. The utility model discloses can make the noise that noise generator sent out and the noise that the transformer sent, the amplitude equals, and phase place is opposite, makes the transformer noise receive destructive interference to make them send noise and transformer send noise to offset each other, the cobble layer can make the vibrations of transformer conduct ground, the ventilation muffler can make the sound of circulation of air and the better obtaining weakening of the inside sound of shell, thereby the realization is to the thorough effect of noise treatment of transformer.

Description

Noise reduction device for transformer

Technical Field

The utility model relates to a technical field of making an uproar falls especially relates to a device of making an uproar falls that transformer was used.

Background

The noise of the transformer is the sum of mechanical noise and air noise which are caused irregularly, intermittently, continuously or randomly by a transformer body and a cooling system in the structural design, the model selection layout, the installation and the use process of the body. Noise generated by transformers widely affects residential communities, commercial centers, light stations, airports, factories, mines, enterprises, hospitals, schools and other places.

Through retrieval, chinese patent application No. CN206947145U discloses a noise-proof device for a transformer, which comprises a steel plate, and is characterized in that: the wall all is equipped with the curb plate about the steel sheet, and is equipped with the apron above controlling the curb plate, the curb plate front and back end lateral wall all is equipped with the recess, the curb plate lateral wall evenly is equipped with first screw down from last, both ends all are equipped with the slide rail around the steel sheet up end, both ends all are equipped with the slider about the slide rail is inside, the slider top is equipped with damping spring, the damping spring top is equipped with the sliding sleeve, and controls to run through between the sliding sleeve and be equipped with the optical axis, both ends all run through the curb plate about the optical axis, the sliding sleeve top is equipped with the backup pad, the inside flange that is equipped with of recess, from last evenly being equipped with second screw hole down on the flange, the place ahead is controlled the flange rear end face is equipped with the baffle.

The noise-proof device of the transformer in the above patent has the following disadvantages: the noise of the transformer is generated in multiple aspects, and the problem that the noise of the transformer is not completely processed exists when the noise of the transformer is only processed by the single transformer body.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a noise reduction device for a transformer.

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

the utility model provides a device of making an uproar falls that transformer was used, includes shell and rack, one side inner wall of shell has first puigging through the fix with screw, and the top outer wall of first puigging has noise generator through the fix with screw, and the bottom has been laid to the bottom inner wall of shell, and the bottom is the cobblestone layer, and air pipe has been seted up to one side outer wall of shell, and one side inner wall of air pipe has the ventilation muffler through the fix with screw.

As a further aspect of the present invention: the transformer cabinet is characterized in that a first damping rubber pad is fixed on the inner wall of the bottom of the cabinet through screws, a transformer main body is fixed on the outer wall of the top of the first damping rubber pad through screws, a damping base is fixed on the inner wall of the bottom of the cabinet through screws, and the damping base is formed by rubber dampers.

As a further aspect of the present invention: the inner wall of one side of rack has the second puigging through the fix with screw, and vibration damping mount's top outer wall has the oil tank through the fix with screw, and one side outer wall of oil tank is opened has first cell body and second cell body, and one side inner wall of first cell body and second cell body is provided with first reinforcement muscle and second reinforcement muscle respectively.

As a further aspect of the present invention: the outer wall of one side of the oil tank is fixed with a rubber anti-vibration head through a screw, and the other end of the rubber anti-vibration head is fixed with a radiator through a screw.

As a further aspect of the present invention: and a second damping rubber pad is fixed on the inner wall of one side of the machine cabinet through a screw, and a cooling fan is fixed on the outer wall of one side of the second damping rubber pad through a screw.

As a further aspect of the present invention: the inner wall of the bottom of the machine cabinet is fixedly provided with a silica gel barrel through a screw, and a drying agent is placed in the silica gel barrel.

As a further aspect of the present invention: the outer wall of one side of the transformer main body is fixed with a first radiating fin through a screw, and the outer wall of one side of the radiator is fixed with a second radiating fin through a screw.

As a further aspect of the present invention: the first sound-proof layer is made of rock wool, and the second sound-proof layer is made of glass fiber.

The utility model has the advantages that:

1. through setting up the noise generator, can make the noise that the noise generator sent out and the noise that the transformer sent, the amplitude equals, and opposite phase makes the transformer noise receive destructive interference to make them send the noise and the transformer sends the noise and offset each other, the cobblestone layer can make the vibrations of transformer conduct ground, the ventilation muffler can make better the obtaining weakening of the sound of circulation of air and the inside sound of shell, thereby the realization is to the thorough effect of noise treatment of transformer.

2. Through setting up first rubber cushion pad, can make the transformer main part because the noise of the production of vibrations, absorption via first rubber cushion pad, can weaken the produced noise of transformer main part, vibration damping mount, can weaken the oil tank and the rack connection back, because the noise that produces during resonance, first reinforcement muscle and second reinforcement muscle, the whole rigidity of multiplicable oil tank, thereby reduce the amplitude of tank wall, the rubber vibration proof head can weaken the produced noise because the conduction of vibration, produced noise when second rubber cushion pad can weaken radiator fan's rotation, reach the effect to the inside noise that weakens of transformer.

3. Through setting up the silica gel bucket, can make inside drier absorb moisture and impurity in the air to keep the good insulating properties of the inside winding of transformer, first fin and second fin can make timely the giving out of heat, and the bottom intraformational cobblestone layer can make the inside oil of oil tank when leaking to secret seepage, avoids letting out the conflagration, thereby reaches transformer safe in utilization's effect.

Drawings

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

fig. 2 is a left side view schematic structural diagram of a noise reduction device for a transformer according to the present invention;

fig. 3 is a schematic diagram of a right-view structure of a noise reduction device for a transformer according to the present invention.

In the figure: the noise-reducing and noise-reducing transformer comprises a shell 1, a first noise-reducing layer 2, a noise generator 3, a second noise-reducing layer 4, a cabinet 5, a bottom layer 6, a silica gel barrel 7, a transformer main body 8, a first radiating fin 9, a first damping rubber pad 10, an oil tank 11, a first reinforcing rib 12, a damping base 13, a second reinforcing rib 14, a rubber damping head 15, a radiator 16, a second radiating fin 17, a second damping rubber pad 18, a cooling fan 19, a ventilation pipeline 20 and a ventilation silencer 21.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

A noise reduction device for a transformer is shown in figures 1 and 3 and comprises a shell 1 and a cabinet 5, wherein a first sound insulation layer 2 is fixed on the inner wall of one side of the shell 1 through screws, the first sound insulation layer 2 is made of rock wool, a noise generator 3 is fixed on the outer wall of the top of the first sound insulation layer 2 through screws, a bottom layer 6 is laid on the inner wall of the bottom of the shell 1, the bottom layer 6 is a cobble layer, a ventilation pipeline 20 is arranged on the outer wall of one side of the shell 1, and a ventilation silencer 21 is fixed on the inner wall of one side of the ventilation pipeline 20 through screws; through setting up noise generator 3, can make the noise that noise generator 3 sent out and the noise that the transformer sent, the amplitude equals, and the phase place is opposite, makes the transformer noise receive destructive interference to make them send the noise and send the noise with the transformer and offset each other, the cobble layer can make the vibrations of transformer conduct ground, ventilation muffler 21 can make the sound of circulation of air and the better obtaining weakening of the inside sound of shell 1, thereby the realization is to the thorough effect of noise treatment of transformer.

To further solve the problem of internal noise; as shown in fig. 1 and 2, a second sound insulation layer 4 is fixed on an inner wall of one side of a cabinet 5 through screws, the second sound insulation layer 4 is made of glass fiber, a first shock absorbing rubber pad 10 is fixed on an inner wall of the bottom of the cabinet 5 through screws, a transformer main body 8 is fixed on an outer wall of the top of the first shock absorbing rubber pad 10 through screws, a shock absorbing base 13 is fixed on the inner wall of the bottom of the cabinet 5 through screws, the shock absorbing base 13 is formed by rubber shock absorbers, an oil tank 11 is fixed on an outer wall of the top of the shock absorbing base 13 through screws, a first tank body and a second tank body are arranged on an outer wall of one side of the oil tank 11, a first reinforcing rib 12 and a second reinforcing rib 14 are respectively arranged on an inner wall of one side of the first tank body and the second tank body, a rubber shock absorbing head 15 is fixed on an outer wall of one side of the oil tank 11 through screws, a radiator 16 is fixed on the other end, a heat radiation fan 19 is fixed on the outer wall of one side of the second shock absorption rubber pad 18 through a screw; through setting up first cushion rubber pad 10, can make transformer main part 8 because the noise of the production of vibrations, through the absorption of first cushion rubber pad 10, can weaken the produced noise of transformer main part 8, vibration damping mount 13, can weaken the back that oil tank 11 and rack 5 are connected, because the noise that produces during resonance, first reinforcement muscle 12 and second reinforcement muscle 14, the whole rigidity of multiplicable oil tank 11, thereby reduce the amplitude of tank wall, the produced noise of conduction because of the vibration can be weakened to rubber shock proof head 15, produced noise when second cushion rubber pad 18 can weaken radiator fan 19's rotation, reach the effect to the inside noise that weakens of transformer.

In order to solve the problem of use safety of the transformer; as shown in fig. 1, 2 and 3, a silica gel barrel 7 is fixed on the inner wall of the bottom of the cabinet 5 through screws, a desiccant is placed in the silica gel barrel 7, a first cooling fin 9 is fixed on the outer wall of one side of the transformer main body 8 through screws, and a second cooling fin 17 is fixed on the outer wall of one side of the radiator 16 through screws; through setting up silica gel bucket 7, can make inside drier absorb moisture and impurity in the air to keep the good insulating properties of transformer inner winding, first fin 9 and second fin 17 can make timely the distributing away of heat, and the inside oil of oil tank 11 is leaked to the underground when the cobble layer in the bottom 6 can make, avoids letting out the conflagration, thereby reaches transformer safe in utilization's effect.

The working principle is as follows: in the using process, the heat generated by the transformer main body 8 is conducted to the air by the first radiating fins 9, the heat of the oil tank 11 is absorbed by the radiator 16, is conducted to the air by the second radiating fins 17, and is pumped into the ventilation pipeline 20 by the radiating fan 19, the ventilation silencer 21 can weaken the noise inside the shell 1, the noise generated when the transformer main body 8 operates is partially absorbed by the first shock-absorbing rubber gasket 10, the vibration of the oil tank 11 can be weakened by the first reinforcing ribs 12 and the second reinforcing ribs 14, so that the noise generated by the vibration can be reduced, the second sound-insulating layer 4 can absorb part of the noise, the noise generator 3 can be offset with the noise inside the transformer, the first sound-insulating layer 2 can absorb part of the noise, the inside of the transformer can be kept dry by the silica gel barrel 7, and the oil in the oil tank 11 can directly permeate to the ground when the oil leaks.

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 device of making an uproar falls that transformer was used, includes shell (1) and rack (5), a serial communication port, one side inner wall of shell (1) has first puigging (2) through the fix with screw, the top outer wall of first puigging (2) has noise generator (3) through the fix with screw, bottom (6) have been laid to the bottom inner wall of shell (1), bottom (6) be the cobble layer, air pipe (20) have been seted up to one side outer wall of shell (1), one side inner wall of air pipe (20) has ventilation muffler (21) through the fix with screw.

2. The noise reduction device for the transformer according to claim 1, wherein the inner bottom wall of the cabinet (5) is fixed with the first shock absorbing rubber pad (10) through screws, the outer top wall of the first shock absorbing rubber pad (10) is fixed with the transformer main body (8) through screws, the inner bottom wall of the cabinet (5) is fixed with the shock absorbing base (13) through screws, and the shock absorbing base (13) is formed by rubber shock absorbers.

3. The noise reduction device for the transformer according to claim 2, wherein a second sound insulation layer (4) is fixed on the inner wall of one side of the cabinet (5) through screws, an oil tank (11) is fixed on the outer wall of the top of the shock absorption base (13) through screws, a first groove body and a second groove body are formed in the outer wall of one side of the oil tank (11), and a first reinforcing rib (12) and a second reinforcing rib (14) are respectively arranged on the inner walls of one sides of the first groove body and the second groove body.

4. A noise reduction device for a transformer according to claim 3, wherein a rubber shock-proof head (15) is fixed on the outer wall of one side of the oil tank (11) through a screw, and a radiator (16) is fixed on the other end of the rubber shock-proof head (15) through a screw.

5. The noise reduction device for the transformer according to claim 3, wherein a second cushion rubber (18) is fixed to one side inner wall of the cabinet (5) by screws, and a heat radiation fan (19) is fixed to one side outer wall of the second cushion rubber (18) by screws.

6. The noise reduction device for the transformer according to claim 5, wherein a silica gel barrel (7) is fixed on the inner wall of the bottom of the cabinet (5) through screws, and a drying agent is placed inside the silica gel barrel (7).

7. The noise reduction device for the transformer according to claim 2, wherein the first heat sink fins (9) are fixed to one side outer wall of the transformer body (8) by screws, and the second heat sink fins (17) are fixed to one side outer wall of the heat sink (16) by screws.

8. The noise reducer for transformer according to claim 1, wherein the material of the first sound insulation layer (2) is rock wool and the material of the second sound insulation layer (4) is glass fiber.