CN218676700U

CN218676700U - Low-noise dry-type transformer

Info

Publication number: CN218676700U
Application number: CN202223291815.9U
Authority: CN
Inventors: 金洲; 陈闻; 李蒙克; 叶雷琼
Original assignee: Guangfa Electric Group Co ltd
Current assignee: Guangfa Electric Group Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-21
Anticipated expiration: 2032-12-08

Abstract

The utility model discloses a dry-type transformer of low noise relates to dry-type transformer technical field. The utility model comprises a body, wherein a base is fixedly arranged at the bottom of the main body, and a plurality of first fans are fixedly arranged at the top of the base; the frame, frame bottom inner wall and base fixed connection, the shutter is all installed to the frame left and right sides side direction, both sides all articulate around the frame has the door, the top fixed mounting of frame has the top cap. The utility model has the advantages that the first fixing plate is provided with the waist-shaped hole, which is convenient for adjusting the position of the first fan and is used for good air exhaust and cooling when the dry-type transformer is in overload work; the ventilation is good guaranteed to a plurality of shutters that set up on the frame, and fixed mounting's second fan is further taken out from inside hot-blast door of opening frame front and back on the top cap, and after the dry-type transformer main part assembly, can adopt the form of hoist and mount to put into in the frame.

Description

Low-noise dry-type transformer

Technical Field

The utility model belongs to the technical field of dry-type transformer, especially, relate to a dry-type transformer of low noise.

Background

In recent 20 years, with the development of world economy, the change of doing things has been rapidly developed all over the world, particularly in distribution transformers, the proportion of the change of doing things is getting larger and larger, and according to statistics, the change of doing things accounts for 40-50% of the change of doing things in developed countries such as europe and the united states.

In the prior art, for example, chinese patent publication No. CN209087498U discloses a low-energy-consumption and low-noise dry-type transformer, which includes a fixing member, a housing, an iron core, a fixing bracket, a base bracket, an insulating tube, and a mounting bracket; the high-voltage winding and the low-voltage winding in the transformer generate alternating magnetic fields in the iron core of the transformer through alternating current, the alternating magnetic fields can generate induced electromotive force on the high-voltage winding and the low-voltage winding wound on the iron core, and accordingly voltage is formed, the process of the iron core improves the magnetic flux distribution at the joint, the vibration energy of the iron core is reduced, damage of vibration to the internal elements of the transformer is reduced, the service life of the internal elements of the transformer is prolonged, and meanwhile, the noise of the transformer during working can be reduced;

in the prior art, however,

1. after the dry-type transformer main body is installed, as shown in fig. 5, the outer frame is closed, and ventilation and heat dissipation are poor;

2. the space in the outer frame is narrow, and the dry-type transformer main body is not easy to put into the outer frame after being assembled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low-noise dry-type transformer, the first fixing plate is provided with a waist-shaped hole, which is convenient for adjusting the position of the first fan and is used for good air exhaust and cooling when the dry-type transformer works under overload; the ventilation is good guaranteed to a plurality of shutters that set up on the frame, and fixed mounting's second fan is further taken out and is opened the door around the frame from inside hot-blast, and after the dry-type transformer main part assembly, can adopt the form of hoist and mount to put into the frame, has solved current technical problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a low noise dry transformer comprising:

the fan comprises a main body, wherein a base is fixedly arranged at the bottom of the main body, and a plurality of first fans are fixedly arranged at the top of the base;

the frame, frame bottom inner wall and base fixed connection, the shutter is all installed to the both sides side direction about the frame, helps the circulation of air, improves the cooling effect both sides all articulate around the frame has the door, the top fixed mounting of frame has the top cap.

Optionally, the base is located the main part around the both sides top all fixed mounting have first fixed plate, open at the top of first fixed plate has a plurality of waist type holes, the both ends of first fan are all fixed mounting have two second fixed plates, the bottom of first fan is through second fixed plate and waist type hole fixed connection for the position of fan can be adjusted, in order to adapt to the heat dissipation when transshipping.

Optionally, the frame both sides all are opened there are two square logical chambeies, the frame both sides are opened there are two square logical intracavity four fixed blocks of all fixed mounting, the four corners that the shutter is close to main part one side all is opened flutedly, fixed block and recess cooperation, shutter and fixed block fixed connection adopt the pin-connected panel, convenient processing practices thrift the cost.

Optionally, the door is fixedly provided with a shutter, and a door lock which is locked with each other is arranged between the two doors, so that the base and the outer frame can be fixed conveniently after the door is opened.

Optionally, four corners of the top cover are fixedly connected with the top of the outer frame through four lifting rings, and a second fan is fixedly mounted at the top of the top cover, so that air flow is further enhanced.

Optionally, be equipped with the polyurethane pad between second fixed plate bottom and the first fixed plate, the flabellum terminal surface of shutter is pasted and is had the sound cotton of inhaling, has the effect of making an uproar of falling.

The embodiment of the utility model has the following beneficial effect:

1. the doors at the front and the rear of the outer frame are opened, and the dry-type transformer main body can be placed into the outer frame in a hoisting mode after being assembled, so that the base and the bottom of the outer frame are fixed together, and the problem that the dry-type transformer is inconvenient to assemble in a narrow space in the outer frame or is difficult to place in the outer frame after being assembled is avoided;

2. the first fixing plate is provided with a kidney-shaped hole, so that the position of the first fan can be conveniently adjusted, and good air exhaust and cooling are achieved when the first fixing plate is used for overload work of the dry-type transformer;

3. a plurality of shutters arranged on the outer frame ensure good ventilation, and a second fan fixedly arranged on the top cover further pumps away internal hot air;

4. be equipped with the polyurethane pad between second fixed plate bottom and the first fixed plate, play and slow down first fan vibrations, the effect of noise reduction, the flabellum terminal surface of shutter is pasted and is had the noise that the cotton absorption transformer of inhaling of sound produced.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall internal structure of an embodiment of the present invention;

fig. 2 is a schematic view of an external structure of an embodiment of the present invention after installation;

fig. 3 is an enlarged schematic structural view of a position a according to an embodiment of the present invention;

fig. 4 is a schematic view of a structure of a blind according to an embodiment of the present invention;

fig. 5 is a schematic view of an overall installation structure according to an embodiment of the present invention.

In the figure: 1. a main body; 2. a base; 3. a first fan; 4. a louver; 5. a top cover; 6. a second fan; 7. a hoisting ring; 8. a first fixing plate; 801. a kidney-shaped hole; 9. a second fixing plate; 10. a groove; 11. a fixed block; 12. an outer frame; 13. and a door.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Example one

Referring to fig. 1 to 4, in the present embodiment, there is provided a low noise dry type transformer, including,

the fan comprises a main body 1, wherein a base 2 is fixedly arranged at the bottom of the main body 1, and a plurality of first fans 3 are fixedly arranged at the top of the base 2;

frame 12, frame 12 bottom inner wall and base 2 fixed connection, shutter 4 is all installed to the both sides side direction about frame 12, and both sides all articulate around frame 12 has door 13, and the top fixed mounting of frame 12 has top cap 5, installs in rings 7 on the fixed connector of frame 12 and top cap 5.

After the dry-type transformer main body 1 is assembled, the main body 1 can be hung into the outer frame 12 in a hanging mode, and the base 2 and the bottom of the outer frame 12 are fixed together, so that the problem that the dry-type transformer main body 1 is inconvenient to assemble in a narrow space in the outer frame 12 or is difficult to place in the outer frame 12 after being assembled is avoided; the first fixing plate 8 is provided with a kidney-shaped hole 801, so that the position of the first fan 3 can be conveniently adjusted, and good air exhaust and cooling are realized when the dry-type transformer is used for overload work; a plurality of louvers 4 provided on the outer frame 12 ensure good ventilation, and a second fan 6 fixedly installed on the top cover 5 further draws out the internal hot air.

In one aspect of the present embodiment, as shown in fig. 1 and 3, the first fixing plates 8 are fixedly mounted on the top of the base 2 at both sides of the front and rear of the main body 1, the top of the first fixing plate 8 is provided with a plurality of waist-shaped holes 801, two ends of the first fan 3 are fixedly mounted with two second fixing plates 9, and the bottom of the first fan 3 is fixedly connected with the waist-shaped holes 801 through the second fixing plates 9. Optionally, the first fixing plate 8 is a channel steel, which is not limited in this application.

In one aspect of the present embodiment, as shown in fig. 2 and 4, two square through cavities are formed on both sides of the outer frame 12, four fixing blocks 11 are fixedly mounted in the two square through cavities formed on both sides of the outer frame 12, four corners of one side of the louver 4 close to the main body 1 are provided with grooves 10, the fixing blocks 11 are matched with the grooves 10, and the louver 4 is fixedly connected with the fixing blocks 11; all fixed mounting has shutter 4 on door 13, is provided with the lock of locking each other between two doors 13, and shutter 4 is favorable to the ventilation, helps the heat dissipation, assembles the structure for the frame can part processing, and is efficient, and the size can be standardized to shutter 4, and is standardized high.

Example two

The improvement on the basis of the first embodiment: with reference to figure 1 of the drawings,

the top fixed connection of four rings 7 and frame 12 is passed through in the four corners of top cap 5, and the top fixed mounting of top cap 5 has second fan 6, and it is good to guarantee to ventilate for a plurality of shutter 4 that set up on the frame 12, and fixed mounting's second fan 6 is further taken out from inside hot-blastly on the top cap 5, helps the cooling.

Embodiment 2.1, above-mentioned top cap 5 also is equipped with hoist and mount technology tooth hole, convenient hoist and mount.

EXAMPLE III

The improvement on the basis of the first embodiment: with reference to figures 3 and 4 of the drawings,

a polyurethane pad is arranged between the bottom of the second fixing plate 9 and the first fixing plate 8, and sound-absorbing cotton is adhered to the end face of the fan blade of the shutter 4.

The polyurethane pad plays the effect of slowing down 3 vibrations of first fan, noise reduction, and the flabellum terminal surface of shutter 4 is pasted and is had the cotton noise that absorbs the transformer production of sound absorption.

The utility model discloses technical scheme's use flow and theory of operation do:

the doors at the front and the rear of the outer frame 12 are opened, after the dry-type transformer main body 1 is assembled, the main body 1 can be hung into the outer frame 12 in a hanging mode, and the base 2 and the bottom of the outer frame 12 are fixed together, so that the problem that the dry-type transformer is inconvenient to assemble in a narrow space in the outer frame 12 or is difficult to place in the outer frame 12 after the dry-type transformer is assembled is avoided; the first fixing plate 8 is provided with a waist-shaped hole 801 which can facilitate the adjustment of the position of the first fan 3 and is used for good air exhaust and cooling when the dry-type transformer works in an overload state; a plurality of shutters 4 arranged on the outer frame 12 ensure good ventilation, and a second fan 6 fixedly arranged on the top cover 5 further pumps away internal hot air; be equipped with the polyurethane pad between 9 bottoms of second fixed plate and the first fixed plate 8, play and slow down the vibrations of first fan 3, the effect of noise reduction, the flabellum terminal surface of shutter 4 is pasted and is had the cotton noise that absorbs the sound absorption transformer and produce.

It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have an actual order or meaning, and the present application is not limited thereto.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A low noise dry transformer, comprising:

the fan comprises a main body (1), wherein a base (2) is fixedly installed at the bottom of the main body (1), and a plurality of first fans (3) are fixedly installed at the top of the base (2);

frame (12), frame (12) bottom inner wall and base (2) fixed connection, shutter (4) are all installed to both sides side direction about frame (12), both sides all articulate around frame (12) has door (13), the top fixed mounting of frame (12) has top cap (5).

2. A low-noise dry transformer as claimed in claim 1, wherein the base (2) is fixedly installed with a first fixing plate (8) at the top of the front and rear sides of the main body (1), the top of the first fixing plate (8) is opened with a plurality of waist-shaped holes (801), two ends of the first fan (3) are fixedly installed with two second fixing plates (9), and the bottom of the first fan (3) is fixedly connected with the waist-shaped holes (801) through the second fixing plates (9).

3. A low-noise dry-type transformer according to claim 1, wherein two sides of the outer frame (12) are both provided with two square through cavities, four fixing blocks (11) are fixedly mounted in the two square through cavities, four corners of one side of the louver (4) close to the main body (1) are both provided with grooves (10), the fixing blocks (11) are matched with the grooves (10), and the louver (4) is fixedly connected with the fixing blocks (11).

4. A low noise dry transformer according to claim 1, wherein the said doors (13) are all fixed with shutters (4), and a door lock is provided between the two doors (13).

5. A low noise dry transformer as claimed in any one of claims 1 to 3, wherein four corners of said top cover (5) are fixedly connected to the top of the outer frame (12) by four rings, and a second fan (6) is fixedly installed on the top of said top cover (5).

6. A low noise dry transformer as claimed in claim 2, wherein a polyurethane pad is provided between the bottom of the second fixing plate (9) and the first fixing plate (8), and the end face of the louver (4) is adhered with sound-absorbing cotton.