CN219916868U - Low-noise low-partial discharge energy-saving dry-type transformer - Google Patents

Abstract

The utility model discloses a low-noise low-partial discharge energy-saving dry-type transformer, which relates to the technical field of transformers and comprises a box body, a transformer and a dampproof heat dissipation mechanism, wherein a cavity is formed in the box body and is provided with a channel, the transformer is arranged in the cavity, and the dampproof heat dissipation mechanism is arranged in the box body; the transformer comprises an iron core, a low-voltage winding, a high-voltage winding, a plurality of shockproof gaskets and two gaskets, wherein the low-voltage winding and the high-voltage winding are sleeved on the iron core, the shockproof gaskets are arranged in a gap between the low-voltage winding and the high-voltage winding at intervals, and the two gaskets are sleeved on the iron core and at two ends of the low-voltage winding and the high-voltage winding; the moistureproof heat dissipation mechanism comprises a blower, a blowing pipe, a plurality of blowing holes arranged on the blowing pipe and an exhaust fan; the inside ventilation hole that is provided with several intercommunication cavity and passageway of box, be provided with the sound absorbing layer at the passageway inner wall. The novel transformer can effectively prevent moisture and reduce noise, and reduce the loss of the transformer.

Description

Low-noise low-partial discharge energy-saving dry-type transformer

Technical Field

The utility model belongs to the technical field of transformers, and particularly relates to a low-noise low-partial discharge energy-saving dry-type transformer.

Background

The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core. The dry type transformer refers to a transformer with an iron core and windings not immersed in insulating oil, and is widely used in places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like.

When the dry-type transformer works, the coil vibrates to generate noise, so that loss can be brought to the equipment while the outside is influenced, and the phenomenon of low insulation resistance can be caused when the wet weather is met.

Disclosure of Invention

Based on the above-mentioned problems existing in the prior art, an object of an embodiment of the present utility model is to: provided is a low-noise low-partial-discharge energy-saving dry-type transformer, which can reduce noise and improve insulation of the dry-type transformer.

The utility model provides a low-noise low-partial discharge energy-saving dry-type transformer, which comprises a box body, a transformer and a dampproof heat dissipation mechanism, wherein a cavity is formed in the box body and is provided with a channel, the transformer is arranged in the cavity, and the dampproof heat dissipation mechanism is arranged in the box body.

Further, the transformer comprises an iron core, a low-voltage winding, a high-voltage winding, a plurality of shockproof gaskets and two gaskets, wherein the low-voltage winding and the high-voltage winding are sleeved on the iron core, the shockproof gaskets are arranged in a gap between the low-voltage winding and the high-voltage winding at intervals, and the two gaskets are sleeved on the iron core and at two ends of the low-voltage winding and the high-voltage winding.

Further, the dampproof heat dissipation mechanism comprises a blower, a blowing pipe, a plurality of blowing holes arranged on the blowing pipe and an exhaust fan.

Further, the inside ventilation hole that is provided with several intercommunication cavity and passageway of box, be provided with the sound absorbing layer at the passageway inner wall, can effectively absorb the noise that transformer and dampproofing heat dissipation mechanism during operation produced, reduce the influence that produces the external world.

Further, the bottom of cavity is provided with the buffer layer, can effectively reduce the vibrations that the transformer during operation produced and the influence that produces the box.

Compared with the prior art, the utility model has the following beneficial effects: the utility model is provided with dampproofing heat dissipation mechanism, can take away the produced heat of transformer and the steam that the transformer surface adheres to in the humid environment through the hair-dryer and take away by the air exhauster, improved the insulating property when realizing the heat dissipation function, reduced partial discharge's possibility. And secondly, a shockproof spacer is arranged between the low-voltage winding and the high-voltage winding of the transformer, so that noise generated by winding vibration can be reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a partial schematic view of the present utility model;

FIG. 3 is a schematic diagram of a transformer of the present utility model;

wherein, each reference sign in the figure:

1. a case; 11. a cavity; 12. a channel; 13. a vent hole; 14. a sound absorbing layer; 15. a buffer layer; 2. a transformer; 21. an iron core; 22. a low voltage winding; 23. a high voltage winding; 24. a vibration-proof pad; 25. a gasket; 3. a dampproof heat dissipation mechanism; 31. a blower; 32. a blowing pipe; 33. a blow hole; 34. and (5) an exhaust fan.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

As shown in the figure, the utility model provides a low-noise low-partial discharge energy-saving dry-type transformer, which comprises a box body 1, a transformer 2 and a dampproof heat dissipation mechanism 3, wherein a cavity 11 is arranged in the box body 1 and is provided with a channel 12, the transformer 2 is arranged in the cavity 11, and the dampproof heat dissipation mechanism 3 is arranged in the box body 1.

The transformer 2 comprises an iron core 21, a low-voltage winding 22, a high-voltage winding 23, a plurality of shockproof gaskets 24 and two gaskets 25, wherein the low-voltage winding 22 and the high-voltage winding 23 are sleeved on the iron core 21, the shockproof gaskets 24 are arranged in a gap between the low-voltage winding 22 and the high-voltage winding 23 at intervals, and the two gaskets 25 are sleeved on the iron core 21 and at two ends of the low-voltage winding 22 and the high-voltage winding 23. The anti-vibration pad 24 reduces the oscillation frequency of the low-voltage winding 22 and the high-voltage winding 23 when the transformer 2 works, thereby reducing noise and reducing the loss of the transformer 2 itself. The two washers 25 provide a certain vibration-proof effect.

The dampproof heat dissipation mechanism 3 comprises a blower 31, a blowing pipe 32, a plurality of blowing holes 33 arranged on the blowing pipe 32 and an exhaust fan 34, in actual operation, the blower 31 blows air to the surface of the transformer 2 through the blowing holes 33 on the blowing pipe 32 to take away heat, if the environment is a damp environment, the blower 31 can also blow away the moisture attached to the surface of the transformer 2 and evaporate the moisture by the heat in the interior, and the exhaust fan 34 is communicated with the channel 12 and is suitable for exhausting the hot air in the box 1 so as to realize heat dissipation and dampproof, so that the possibility of partial discharge is reduced.

The inside ventilation hole 13 that is provided with a plurality of intercommunication cavity 11 and passageway 12 of box 1 is provided with sound absorbing layer 14 at passageway 12 inner wall, can effectively absorb the noise that transformer 2 and dampproofing heat dissipation mechanism 3 during operation produced, reduces the influence that produces the external world.

The bottom of cavity 11 is provided with buffer layer 15, can effectively reduce the vibrations that produce and the influence to box 1 that produces when transformer 2 works.

In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

While the foregoing is directed to the preferred embodiment of the present utility model, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of claims.

Claims (5)

1. The utility model provides a low noise, energy-conserving dry-type transformer of low partial discharge which characterized in that: comprising the following steps:

the box body (1) is internally provided with a cavity (11) and a channel (12);

the transformer (2) is arranged in the cavity (11);

the moistureproof heat dissipation mechanism (3) is arranged in the box body (1);

the transformer (2) comprises:

a core (21);

a low-voltage winding (22) sleeved on the iron core (21);

a high-voltage winding (23) sleeved on the iron core (21);

a plurality of shockproof gaskets (24) which are arranged in the gap between the low-voltage winding (22) and the high-voltage winding (23) at intervals;

two washers (25) are sleeved on the iron core (21), and two ends of the low-voltage winding (22) and the high-voltage winding (23).

2. The low noise, low partial discharge energy efficient dry transformer of claim 1, wherein:

the dampproofing heat dissipation mechanism (3) includes:

a blower (31);

a blowing pipe (32) connected to the blower (31);

a plurality of blowholes (33) provided in the blowpipe (32);

an exhaust fan (34) is arranged on the box body (1) and communicated with the channel (12).

3. The low noise, low partial discharge energy efficient dry transformer of claim 1, wherein:

a plurality of vent holes (13) which are communicated with the cavity (11) and the channel (12) are formed in the box body (1).

4. The low noise, low partial discharge energy efficient dry transformer of claim 1, wherein:

the inner wall of the channel (12) is provided with a sound absorption layer (14).

5. The low noise, low partial discharge energy efficient dry transformer of claim 1, wherein:

the bottom of the cavity (11) is provided with a buffer layer (15).