CN214068523U

CN214068523U - Dry-type transformer

Info

Publication number: CN214068523U
Application number: CN202021518262.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangxi Chengte Transformer Electric Co ltd
Current assignee: Guangxi Chengte Transformer Electric Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-08-27
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to the technical field of transformers, in particular to a dry-type transformer, which comprises a transformer body, wherein the upper end and the lower end of the front end of the transformer body are fixedly connected with a high-voltage connecting block, the middle part of the front end of the transformer body is electrically connected with a high-voltage connecting rod, an iron core is embedded and arranged on the upper part of the transformer body, an insulating plate is tightly welded on the upper part of the iron core, a low-voltage outgoing line copper bar is fixedly connected on the upper part of the insulating plate, the middle part of the front end of the low-voltage outgoing line copper bar is electrically connected with a terminal, the bearing and the fixed stator winding of the transformer body are used by the iron core, the low-voltage outgoing line copper bar is utilized to transmit current and connect electricity in a circuit, the resistivity of the copper bar is low, the drying of the inner part of the transformer body is kept through a water absorption layer, the dry-type transformer can effectively prevent the iron core and the high-low-voltage coil from being affected with damp to cause the insulating resistance to be lower, and the stability of the dry type transformer is improved.

Description

Dry-type transformer

Technical Field

The utility model relates to a transformer technical field specifically is a dry-type transformer.

Background

However, when the dry type transformer is used in a humid environment, the humidity of air is also high due to the humid environment, the dry type transformer is easily affected with moisture, the insulation resistance is easily low, and the iron core vibrates during the operation of the dry type transformer, which causes a particularly high noise.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type transformer to the easy damp that provides in solving above-mentioned background art leads to insulation resistance to hang down scheduling problem partially.

In order to achieve the above object, the utility model provides a following technical scheme: a dry-type transformer comprises a transformer body, wherein the upper end and the lower end of the front end of the transformer body are fixedly connected with high-voltage connecting blocks, the middle part of the front end of the transformer body is electrically connected with a high-voltage connecting rod, an iron core is embedded into the upper part of the transformer body, an insulating plate is tightly welded on the upper part of the iron core, a low-voltage outgoing copper bar is fixedly connected on the upper part of the insulating plate, a terminal is electrically connected on the middle part of the front end of the low-voltage outgoing copper bar, screws are fixedly connected on the left side and the right side of the front end of the low-voltage outgoing copper bar, hooks are welded on the upper part of the low-voltage outgoing copper bar, fans are electrically connected on the front end and the rear end of the lower part of the transformer body, the fans at the two ends are mutually symmetrical, a base is clamped on the lower part of the fan, wheels are rotatably connected on the lower part of a supporting column, and a heat dissipation layer is arranged on the left side inside the transformer body, an electric heating layer is tightly welded on the right side of the heat dissipation layer, and a water absorption layer is welded on the rear portions of the electric heating layer and the heat dissipation layer.

Further, the iron core is communicated with the interior of the transformer body, and the iron core is distributed on the lower portion of the insulating plate.

Furthermore, the low-voltage outlet copper bar is electrically connected with the terminal, and the low-voltage outlet copper bar is of a cuboid structure.

Furthermore, the terminals are electrically connected with the high-voltage connecting block, and the terminals are distributed on the upper portion of the insulating plate.

Furthermore, the water absorption layer is welded with the electric heating layer and the heat dissipation layer, the electric heating layer and the water absorption layer surround to form a hollow cylinder.

Furthermore, the fans are arranged in six, the lower parts of the transformer body are distributed, and the fans at the front end and the rear end are symmetrical to each other.

Compared with the prior art, the beneficial effects of the utility model are that: the dry type transformer is characterized in that the iron core is communicated with the inside of the transformer body and distributed on the lower part of an insulating plate through improvement of the dry type transformer, the iron core is used for bearing and fixing a stator winding of the transformer body, the low-voltage outgoing copper bar is electrically connected with the terminal, the low-voltage outgoing copper bar is of a cuboid structure, the low-voltage outgoing copper bar is used for conveying current and connecting electricity in a circuit, the resistivity of the copper bar is low, the terminal is electrically connected with a high-voltage connecting block and distributed on the upper part of the insulating plate, a storage battery is connected with an external conductor through the terminal, the terminal is a connecting end in the circuit and mainly transmits electric signals or conducts electricity, the six fans are distributed on the lower part of the transformer body, the fans at the front end and the rear end are mutually symmetrical, and the fans improve gas pressure and discharge gas by means of input mechanical energy, and the low noise, the layer that absorbs water with electric heat layer with the layer welding that absorbs water, just the layer that absorbs water, electric heat layer and the layer that absorbs water encloses into a hollow cylinder, keeps the inside dry of transformer body through the layer that absorbs water to the moisture resistance is good, and this kind of dry-type transformer can effectually prevent that moist weather iron core, high-low voltage coil from weing and leading to insulation resistance to low partially, and improves this kind of dry-type transformer's stability.

Drawings

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

fig. 2 is a schematic view of a partial structure of the transformer body of the present invention;

in the figure: 1-a transformer body; 2-high pressure connecting block; 3-an iron core; 4-hooking; 5-low voltage outgoing line copper bar; 6-terminal; 7-a screw; 8-an insulating plate; 9-high pressure connecting rod; 10-a fan; 11-a base; 12-a support column; 13-wheels; 14-a heat dissipation layer; 15-electric heating layer; 16-water absorbing layer.

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, the present invention provides a technical solution: a dry-type transformer comprises a transformer body 1, wherein the upper end and the lower end of the front end of the transformer body 1 are fixedly connected with high-voltage connecting blocks 2, the middle part of the front end of the transformer body 1 is electrically connected with a high-voltage connecting rod 9, an iron core 3 is embedded in the upper part of the transformer body 1, an insulating plate 8 is tightly welded on the upper part of the iron core 3, a low-voltage outgoing copper bar 5 is fixedly connected on the upper part of the insulating plate 8, a terminal 6 is electrically connected in the middle part of the front end of the low-voltage outgoing copper bar 5, screws 7 are fixedly connected on the left side and the right side of the front end of the low-voltage outgoing copper bar 5, a hook 4 is welded on the upper part of the low-voltage outgoing copper bar 5, fans 10 are electrically connected at the front end and the rear end, the support column 12 lower part is rotated and is connected with wheel 13, just the inside left side of transformer body 1 is provided with heat dissipation layer 14, the inseparable welding in heat dissipation layer 14 right side has electric heat layer 15, just the welding of electric heat layer 15 and heat dissipation layer 14 rear portion has the layer 16 that absorbs water.

The iron core 3 is communicated with the interior of the transformer body 1, the iron core 3 is distributed at the lower part of the insulating plate 8, and the iron core 3 is used for bearing and fixing the stator winding of the transformer body 1;

the low-voltage outgoing copper bar 5 is electrically connected with the terminal 6, the low-voltage outgoing copper bar 5 is in a cuboid structure, the low-voltage outgoing copper bar 5 is used for transmitting current and connecting electricity in a circuit, and the resistivity of the copper bar is low;

the terminal 6 is electrically connected with the high-voltage connecting block 2, the terminal 6 is distributed on the upper part of the insulating plate 8, the storage battery is connected with an external conductor through the terminal 6, and the terminal is a connecting end in a circuit and mainly used for transmitting electric signals or conducting electricity;

the water absorption layer 16 is welded with the electric heating layer 15 and the heat dissipation layer 14, the electric heating layer 15 and the water absorption layer 16 surround to form a hollow cylinder, the inside of the transformer body 1 is kept dry through the water absorption layer 16, and the moisture resistance is good.

The six fans 10 are distributed on the lower portion of the transformer body 1, the fans 10 at the front end and the rear end are symmetrical to each other, the fans 10 improve gas pressure and discharge gas by means of input mechanical energy, and noise is low.

The working principle is as follows: when using the dry type transformer, the structure of the whole dry type transformer should be simply understood, firstly, the transformer body 1 is fixed by the hook 4, then the iron core 3 is used for bearing and fixing the stator winding of the transformer body 1, then the low-voltage outlet copper bar 5 is used for transmitting current and connecting electricity in a circuit, is connected with an external conductor through a terminal 6, and then is used for connecting the conductor by using the high-voltage connecting block 2, and the stability of the transformer body is enhanced by the high-voltage connecting rod 9, then the gas pressure is increased by the fan 10 by means of the input mechanical energy and the gas in the transformer body is delivered, then the inside of the transformer body 1 is kept dry by the water absorbing layer 16, and then the transformer body 1 which runs at a high speed is heated electrically by the electrothermal layer 15 at a certain temperature rising speed, and finally the heat dissipation layer 14 dissipates the heat of the transformer body 1.

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. A dry-type transformer, includes transformer body (1), its characterized in that: the transformer comprises a transformer body (1), wherein the upper end and the lower end of the front end of the transformer body (1) are fixedly connected with high-voltage connecting blocks (2), the middle part of the front end of the transformer body (1) is electrically connected with a high-voltage connecting rod (9), an iron core (3) is embedded into the upper part of the transformer body (1), an insulating plate (8) is tightly welded on the upper part of the iron core (3), a low-voltage outgoing line copper bar (5) is fixedly connected on the upper part of the insulating plate (8), a terminal (6) is electrically connected in the middle part of the front end of the low-voltage outgoing line copper bar (5), screws (7) are fixedly connected on the left side and the right side of the front end of the low-voltage outgoing line copper bar (5), a hook (4) is welded on the upper part of the low-voltage outgoing line copper bar (5), fans (10) are electrically connected on the front end and the rear end of the lower part of the transformer body (1), the fans (10) are symmetrical to each other, and a base (11) is clamped on the lower part of the fans (10), just base (11) lower part fixedly connected with support column (12), support column (12) sub-unit rotation is connected with wheel (13), just transformer body (1) inside left side is provided with heat dissipation layer (14), heat dissipation layer (14) right side close welding has electric heat layer (15), just electric heat layer (15) and heat dissipation layer (14) rear portion welding have layer (16) that absorb water.

2. A dry-type transformer as claimed in claim 1, wherein: the iron core (3) is communicated with the interior of the transformer body (1), and the iron core (3) is distributed on the lower portion of the insulating plate (8).

3. A dry-type transformer as claimed in claim 1, wherein: the low-voltage outgoing line copper bar (5) is electrically connected with the terminal (6), and the low-voltage outgoing line copper bar (5) is of a cuboid structure.

4. A dry-type transformer as claimed in claim 1, wherein: the terminal (6) is electrically connected with the high-voltage connecting block (2), and the terminal (6) is distributed on the upper portion of the insulating plate (8).

5. A dry-type transformer as claimed in claim 1, wherein: the water absorption layer (16) is welded with the electric heating layer (15) and the heat dissipation layer (14), the electric heating layer (15) and the water absorption layer (16) surround a hollow cylinder.

6. A dry-type transformer as claimed in claim 1, wherein: the six fans (10) are arranged and distributed on the lower portion of the transformer body (1), and the fans (10) at the front end and the rear end are symmetrical to each other.