CN210200523U

CN210200523U - Noise reduction structure of dry-type transformer

Info

Publication number: CN210200523U
Application number: CN201921276797.2U
Authority: CN
Inventors: Caiwang Yan; 鄢财旺; Shengbo Rao; 饶胜波; Dezhi Huang; 黄德知
Original assignee: Jiangxi Famous Electric Co Ltd
Current assignee: Jiangxi Famous Electric Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-03-27
Anticipated expiration: 2029-08-08

Abstract

The utility model relates to the technical field of transformer equipment, and a noise reduction structure of dry-type transformer is disclosed, it is relatively poor to have solved the noise reduction structure result of use of present dry-type transformer, and dry-type transformer can produce great vibrations in operation, thereby increases the problem that the noise takes place, it includes the installation chassis, the top fixed mounting of installation chassis has the mount pad, and the top movable mounting of mount pad has the sound-proof housing, and the top of sound-proof housing has seted up the thermovent, and the inside movable mounting of thermovent has the cooling fan, and the top movable mounting of cooling fan has the cooling tube, and the four corners department at mount pad top and the inside that is located the sound-proof housing all install damper; this dry-type transformer's the structure of making an uproar of falling can effectually play the effect of making an uproar that gives sound insulation at the in-process that uses, and this dry-type transformer's the structure of making an uproar of falling simultaneously can also effectually play absorbing effect to effective noise reduction's emergence.

Description

Noise reduction structure of dry-type transformer

Technical Field

The utility model belongs to the technical field of transformer equipment, specifically be a structure of making an uproar falls of dry-type transformer.

Background

The noise of the dry type transformer belongs to mechanical noise, which is generated by vibration caused by periodic alternating acting force generated by an alternating magnetic field on an iron core and a coil, the vibration iron core coil radiates the noise outwards, and the radiated noise is much more complicated than the noise generated by vibration of single frequency under the action of eddy currents in a conducting wire and the iron core in the electrified dry type transformer.

The existing noise reduction structure of the dry type transformer has poor noise reduction effect in the using process, cannot effectively play a role in sound insulation and noise reduction, and meanwhile, the dry type transformer can generate larger vibration during operation, and the vibration can also make the noise of the dry type transformer larger; therefore, improvements are now needed in view of the current situation.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a structure of making an uproar falls of dry-type transformer, the effectual structure result of using of making an uproar that falls who has solved present dry-type transformer is relatively poor to and dry-type transformer can produce great vibrations in service, thereby strengthen the problem that the noise takes place.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a structure of making an uproar falls in dry-type transformer, including the installation chassis, the top fixed mounting of installation chassis has the mount pad, the top movable mounting of mount pad has the sound-proof housing, the thermovent has been seted up at the top of sound-proof housing, the inside movable mounting of thermovent has the heat dissipation fan, the top movable mounting of heat dissipation fan has the cooling tube, damper is all installed to the four corners department at mount pad top and the inside that is located the sound-proof housing, install the mounting panel between four damper's the top, the top movable mounting of mounting panel has the dry-type transformer body, equidistance fixed connection has the ripple shell fragment between the bottom of mounting.

Preferably, the sound-proof housing includes the outside protecting cover body, the middle part sound-proof housing body and inside sound-absorbing layer, and the middle part sound-proof housing body fixed mounting is between the outside protecting cover body and inside sound-absorbing layer, and the middle part sound-proof housing body is cavity glass, and inside sound-absorbing layer is for inhaling the sound sponge.

Preferably, the inside fixedly connected with pipe portion sound absorption layer of cooling tube, one side that the heat dissipation fan was kept away from to pipe portion sound absorption layer is equipped with the toper air duct, and pipe portion sound absorption layer is for inhaling the sound sponge.

Preferably, four damper all includes dead lever, first spring and roof, and dead lever fixed connection is at the top of mount pad, and first spring cup joints in the lower part of dead lever, and the roof cup joints on the upper portion of dead lever, and the bottom of roof is connected with the top of first spring is fixed, and the bottom of first spring is connected with the base of dead lever is fixed, and the mounting panel is installed between the top of four roofs.

Preferably, the dashpot has all been seted up to the four corners department of mounting panel, the upper portion fixedly connected with fixed block of dead lever, equidistance fixedly connected with second spring between dashpot and the fixed block, the card ball groove has just been seted up to the bottom equidistance that is located the mounting panel in the outside of dashpot bottom, and the inside activity joint in card ball groove has the ball, and the surface of ball contacts with the top of roof.

Preferably, conical vent holes are formed in the surface of the mounting seat at equal intervals, one end, with the small diameter, of each conical vent hole faces the top of the mounting seat, and holes are formed in the surface of the mounting plate at equal intervals.

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

(1) during work, the noise reduction structure of the dry type transformer can effectively play a role in sound insulation and noise reduction in the using process by arranging the external protective cover body, the middle sound insulation cover body, the internal sound absorption layer and the pipe part sound absorption layer; when the dry-type transformer body is started to generate noise, the inner sound absorption layer and the pipe sound absorption layer can effectively absorb the noise, and meanwhile, the hollow glass of the middle sound insulation cover body can effectively play a sound insulation role;

(2) the damping mechanism, the fixing rod, the first spring, the top plate, the buffer groove, the fixing block, the second spring, the ball clamping groove, the ball and the corrugated elastic sheet are arranged, so that the noise reduction structure of the dry type transformer can effectively play a damping effect, and the noise is effectively reduced; when dry-type transformer body starts and produces vibrations, when the vertical direction of mounting panel shakes, the mounting panel can remove about the surface of dead lever, the in-process of removal can make first spring and ripple shell fragment compress and tensile, thereby play effectual cushioning effect, when the mounting panel transversely shakes, the mounting panel can carry out round trip movement at the top of four roofs, the in-process of removal can drive different second spring core compression and tensile, thereby play effectual cushioning effect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the sound-proof housing and the heat dissipating tube of the present invention;

fig. 3 is a schematic structural diagram of the damping mechanism of the present invention and a schematic partial sectional structural diagram of the mounting plate;

FIG. 4 is a schematic cross-sectional structural view of the mounting base and the mounting plate of the present invention;

in the figure: 1. installing a bottom frame; 2. a mounting seat; 3. a sound-proof housing; 301. an external protective shield body; 302. a middle sound insulation cover body; 303. an inner sound absorbing layer; 4. a heat dissipation port; 5. a heat dissipation fan; 6. a radiating pipe; 601. a pipe portion sound absorbing layer; 7. a damping mechanism; 701. fixing the rod; 702. a first spring; 703. a top plate; 8. mounting a plate; 801. a buffer tank; 802. a fixed block; 803. a second spring; 804. a bead clamping groove; 805. a ball bearing; 9. a dry-type transformer body; 10. a corrugated spring plate; 11. a conical vent; 12. and (4) holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

In the first embodiment, as shown in fig. 1 and 2, the utility model comprises an installation chassis 1, a mounting base 2 is fixedly installed on the top of the installation chassis 1, a sound-proof cover 3 is movably installed on the top of the mounting base 2, a heat dissipation port 4 is opened on the top of the sound-proof cover 3, a heat dissipation fan 5 is movably installed inside the heat dissipation port 4, a heat dissipation pipe 6 is movably installed on the top of the heat dissipation fan 5, the dry-type transformer body 9 can be effectively cooled and cooled through the arrangement of the heat dissipation port 4, the heat dissipation fan 5 and the heat dissipation pipe 6, damping mechanisms 7 are installed at four corners of the top of the mounting base 2 and inside the sound-proof cover 3, mounting plates 8 are installed between the tops of the four damping mechanisms 7, the damping mechanisms 7 can perform damping in the vertical direction on the mounting plates 8, the dry-type transformer body 9 is movably installed at the tops of, equidistant fixed connection has ripple shell fragment 10 between the bottom of mounting panel 8 and the top of mount pad 2, through the setting of ripple shell fragment 10, makes it can be effectual to mount pad 2 and mounting panel 8 connection fixed.

Embodiment two, on the basis of embodiment one, given by fig. 2, sound-proof housing 3 includes outside protecting cover body 301, middle part sound-proof cover body 302 and inside sound absorbing layer 303, middle part sound-proof cover body 302 fixed mounting is between outside protecting cover body 301 and inside sound absorbing layer 303, and middle part sound-proof cover body 302 is cavity glass, inside sound absorbing layer 303 is for inhaling the sound sponge, through outside protecting cover body 301, middle part sound-proof cover body 302 and inside sound absorbing layer 303 and cavity glass and the setting of inhaling the sound sponge, make sound-proof housing 3 can effectually play the effect of sound insulation and inhaling the sound, thereby reach the effect of making an uproar.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 2, the pipe portion sound absorbing layer 601 is fixedly connected to the inside of the heat dissipating pipe 6, a tapered air duct is provided on the side of the pipe portion sound absorbing layer 601 away from the heat dissipating fan 5, the pipe portion sound absorbing layer 601 is a sound absorbing sponge, and the sound absorbing sponge, the sound absorbing sponge and the tapered air duct are arranged to effectively absorb the transmitted noise while dissipating heat, thereby preventing the noise from being transmitted to the outside of the soundproof cover 3 through the heat dissipating pipe 6.

Fourth embodiment, on the basis of the first embodiment, as shown in fig. 3, each of the four damping mechanisms 7 includes a fixing rod 701, a first spring 702 and a top plate 703, the fixing rod 701 is fixedly connected to the top of the mounting base 2, the first spring 702 is sleeved on the lower portion of the fixing rod 701, the top plate 703 is sleeved on the upper portion of the fixing rod 701, the bottom of the top plate 703 is fixedly connected to the top of the first spring 702, the bottom of the first spring 702 is fixedly connected to the base of the fixing rod 701, the mounting plate 8 is mounted between the tops of the four top plates 703, and the fixing rod 701, the first spring 702 and the top plate 703 are arranged to effectively damp and buffer the mounting plate 8 in the vertical direction.

Fifth embodiment, on the basis of the first embodiment, as shown in fig. 3, four corners of the mounting plate 8 are respectively provided with a buffer groove 801, the upper portion of the fixing rod 701 is fixedly connected with a fixing block 802, second springs 803 are fixedly connected between the buffer groove 801 and the fixing block 802 at equal intervals, the outer side of the bottom of the buffer groove 801 and the bottom of the mounting plate 8 are respectively provided with a ball clamping groove 804 at equal intervals, balls 805 are movably clamped inside the ball clamping grooves 804, the surfaces of the balls 805 are in contact with the top of the top plate 703, and the buffer groove 801, the fixing block 802, the second springs 803, the ball clamping grooves 804 and the balls 805 are arranged to effectively perform horizontal shock absorption and buffering on the mounting plate 8.

Sixth embodiment, based on the first embodiment, as shown in fig. 4, tapered vent holes 11 are equidistantly formed in the surface of the mounting base 2, the end of the tapered vent hole 11 with a small diameter faces the top of the mounting base 2, holes 12 are equidistantly formed in the surface of the mounting plate 8, and the tapered vent holes 11 and the holes 12 are arranged, so that the dry-type transformer body 9 can be effectively ventilated and cooled.

The working principle is as follows: when the dry-type transformer body 9 is started to generate noise, the inner sound absorbing layer 303 and the pipe sound absorbing layer 601 can effectively absorb the noise, and meanwhile, the hollow glass of the middle sound-insulating cover body 302 can effectively play a sound-insulating role; when dry-type transformer body 9 starts to produce vibrations, when mounting panel 8 vertical direction shakes, mounting panel 8 can remove about the surface of dead lever 701, the in-process of removal can make first spring 702 and ripple shell fragment 10 compress and stretch, thereby play effectual cushioning effect, when mounting panel 8 transversely shakes, mounting panel 8 can carry out round trip movement at the top of four roof 703, the in-process of removal can drive the compression of different second spring 803 cores and stretch, thereby play effectual cushioning effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure of making an uproar falls in dry-type transformer, includes installation chassis (1), its characterized in that: the utility model discloses a transformer, including installation chassis (1), the top fixed mounting of installation chassis (1) has mount pad (2), the top movable mounting of mount pad (2) has sound-proof housing (3), thermovent (4) have been seted up at the top of sound-proof housing (3), the inside movable mounting of thermovent (4) has heat dissipation fan (5), the top movable mounting of heat dissipation fan (5) has cooling tube (6), damper (7) are all installed to the four corners department at mount pad (2) top and the inside that is located sound-proof housing (3), install mounting panel (8) between the top of four damper (7), the top movable mounting of mounting panel (8) has dry-type transformer body (9), equidistance fixedly connected with ripple shell fragment (10) between the bottom of mounting panel (8) and the top of mount pad (2.

2. A noise reduction structure of a dry type transformer according to claim 1, wherein: the sound-proof housing (3) comprises an external protective housing body (301), a middle sound-proof housing body (302) and an internal sound-absorbing layer (303), wherein the middle sound-proof housing body (302) is fixedly arranged between the external protective housing body (301) and the internal sound-absorbing layer (303), the middle sound-proof housing body (302) is made of hollow glass, and the internal sound-absorbing layer (303) is made of sound-absorbing sponge.

3. A noise reduction structure of a dry type transformer according to claim 1, wherein: the inside fixedly connected with pipe portion sound absorption layer (601) of cooling tube (6), one side that heat dissipation fan (5) were kept away from to pipe portion sound absorption layer (601) is equipped with the toper air duct, and pipe portion sound absorption layer (601) are for inhaling the sound sponge.

4. A noise reduction structure of a dry type transformer according to claim 1, wherein: four damper (7) all include dead lever (701), first spring (702) and roof (703), dead lever (701) fixed connection is at the top of mount pad (2), first spring (702) cup joint the lower part at dead lever (701), roof (703) cup joint the upper portion at dead lever (701), and the bottom of roof (703) is connected with the top of first spring (702) is fixed, the bottom of first spring (702) is connected with the base of dead lever (701) is fixed, mounting panel (8) are installed between the top of four roofs (703).

5. A noise reduction structure of a dry type transformer according to claim 1, wherein: buffer tank (801) have all been seted up to the four corners department of mounting panel (8), upper portion fixedly connected with fixed block (802) of dead lever (701), equidistant fixedly connected with second spring (803) between buffer tank (801) and fixed block (802), card pearl groove (804) have been seted up to the outside of buffer tank (801) bottom and the bottom equidistance that is located mounting panel (8), the inside activity joint of card pearl groove (804) has ball (805), the surface of ball (805) contacts with the top of roof (703).

6. A noise reduction structure of a dry type transformer according to claim 1, wherein: conical vent holes (11) are formed in the surface of the mounting base (2) at equal intervals, one end, with the small diameter, of each conical vent hole (11) faces the top of the mounting base (2), and holes (12) are formed in the surface of the mounting plate (8) at equal intervals.