CN213877735U

CN213877735U - Box transformer

Info

Publication number: CN213877735U
Application number: CN202023256074.1U
Authority: CN
Inventors: 王建; 孙定伟; 任迅涛
Original assignee: Henan Lihua Electric Power Technology Co ltd
Current assignee: Henan Lihua Electric Power Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-03
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to the technical field of transformer application equipment, in particular to a box transformer, which comprises a box body, wherein a transformer is arranged at the middle position of the bottom of the box body, air inlet holes are arranged at the lower positions of the two side walls of the box body, and a dustproof net is arranged at the positions, close to the air inlet holes, of the two sides in the box body in a sliding manner; the transformer air-collecting box is characterized in that an air-collecting cover is arranged right above the transformer in the box body, one end of the air-collecting cover is communicated with an exhaust pipeline, an air outlet is formed in the top wall of the box body, an air exhauster is arranged in the air outlet, an air inlet of the air exhauster is communicated with an air outlet of the exhaust pipeline, two vertical supporting rods are symmetrically arranged at the top of the box body along the center of the box body, a baffle is arranged at the top of each supporting rod, and the baffle completely covers the top surface of the box body. The utility model has the advantages of good heat dissipation effect, high speed and convenient disassembly of the dust screen.

Description

Box transformer

Technical Field

The utility model relates to a case becomes transformer application apparatus technical field, especially a case becomes transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components of the transformer are a primary coil, a secondary coil and an iron core, the main functions of the transformer comprise voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization and the like, and the box type transformer is that the transformer is placed in a transformer box body and is protected by the box body.

Because the working environment of the transformer needs a certain temperature range, when the environmental temperature is too high or the load of the transformer is large, the temperature of the transformer is too high, the normal work of the transformer can be influenced when the temperature of the transformer is too high, and even the transformer is damaged when the temperature is serious, so that the power damage is caused.

The existing common box transformer is usually provided with fans at the top and the bottom of a box body for heat dissipation, but practice proves that the existing mode of arranging the fans at the top and the bottom of the box body can not rapidly discharge indoor heat and can not rapidly and effectively exchange air inside and outside the box body, so that a large amount of heat in the transformer room is accumulated, the temperature in the box body is continuously increased, vicious circle is formed, the temperature of a distribution transformer is finally caused to exceed the limit temperature, normal operation is not realized, and the reliability of power supply is finally reduced; in addition, due to the fact that the ventilation opening and the ventilation fan are arranged, a large amount of dust or impurities in the transformer can enter the transformer, even small animals can enter the transformer box, the transformer is damaged, in order to prevent the problems, the dust screen is often installed at the ventilation opening, but the dust screen is not easy to replace, and the dust screen is inconvenient to detach.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art and making the case become transformer radiating effect poor, the inconvenient problem is dismantled to the dust screen.

The utility model has the following concrete scheme:

designing a box transformer, which comprises a box body, wherein a transformer is arranged in the middle of the bottom of the box body, air inlet holes are formed in the positions, close to the lower positions, of two side walls of the box body, and dustproof nets are arranged at the positions, close to the air inlet holes, of the two sides in the box body in a sliding mode;

a wind-collecting cover is arranged in the box body and is positioned right above the transformer, one end of the wind-collecting cover is communicated with an exhaust pipeline, an air outlet is arranged on the top wall of the box body, an exhaust fan is arranged in the air outlet, and an air inlet of the exhaust fan is communicated with an air outlet of the exhaust pipeline;

the top of the box body is symmetrically provided with two vertical supporting rods along the central position of the box body, and the tops of the supporting rods are provided with baffle plates which completely cover the top surface of the box body.

Preferably, the baffle plate is covered above the box body in a herringbone shape.

Preferably, a supporting plate is arranged at the bottom of the transformer, and a supporting column is arranged at the bottom of the supporting plate.

Preferably, the supporting plate is designed to be groove-shaped, and the transformer is arranged in the groove.

Preferably, the support plate is provided with a plurality of vertically-through heat dissipation holes.

Preferably, be located the top of fresh air inlet on the both sides inner wall of box and be equipped with horizontal fixed plate respectively the bottom of fixed plate and the interior bottom surface of box are equipped with a spill slide respectively, two slides just symmetry setting on same straight line direction be equipped with the mounting panel in the slide, the dust screen passes through the mounting panel and slides and establish in the slide.

Preferably, the outer walls of the two sides of the box body, which are opposite to the dustproof net, are respectively hinged with a box door.

Preferably, a handle is provided on the door.

The beneficial effects of the utility model reside in that:

1. the utility model discloses a position by the lower at box both sides wall sets up the fresh air inlet, can effectively increase the area of contact of transformer and external cold air for the radiating rate of transformer sets up the wind-collecting cover directly over the transformer in addition, can concentrate steam, increases transformer box internal steam exhaust validity, and the heat that the transformer of being convenient for produced discharges fast, improves the radiating effect.

2. The utility model discloses a dust screen passes through the mounting panel setting in the slide of fixed plate and bottom half, sets up the chamber door moreover on the outer wall of dust screen, when wasing to change the dust screen, can open the chamber door, pull out the dust screen in the slide fast, easy dismounting is swift.

3. The utility model discloses a set up the concave type backup pad of taking the louvre bottom the transformer, make placing more stable of transformer, it is fixed with the bottom half through the support column in addition, make transformer and bottom half form certain space, can prevent transformer and bottom half contact, the heat of its production is piled up in its bottom, and the cooling air can accelerate the radiating rate of transformer when through, improves the radiating effect.

4. The utility model discloses a set up bracing piece and chevron shape baffle at the box top, can prevent that fallen leaves impurity precipitation from getting into the box from the air outlet in, lead to the transformer to damage, the rainwater can discharge through the inclined plane of chevron shape baffle moreover.

Drawings

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

fig. 2 is a schematic view of the internal structure of the present invention;

the reference numbers in the figures are: 1 baffle, 2 bracing pieces, 3 boxes, 4 box doors, 5 handles, 6 exhaust fans, 7 air outlets, 8 exhaust ducts, 9 air collecting covers, 10 sliding seats, 11 air inlet holes, 12 dust screens, 13 mounting plates, 14 transformers, 15 supporting plates, 16 supporting columns, 17 heat dissipation holes and 18 fixing plates.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

A box transformer is disclosed, as shown in fig. 1 to fig. 2, comprising a box body 3, a transformer 14 is arranged at the middle position of the bottom of the box body 3, air inlet holes 11 are arranged at the lower positions of the two side walls of the box body 3, and dustproof nets 12 are slidably arranged at the positions close to the air inlet holes 11 at the two sides in the box body 3; the air inlet holes 11 are formed in the positions, close to the lower portion, of the side wall of the box body 3, the area of cold air passing through the transformer 14 can be increased, the heat dissipation effect is better, and the dust screen 12 is used for preventing external dust and impurities or small animals from entering the box body 3 and damaging the transformer 14.

An air collecting cover 9 is arranged in the box body 3 and is positioned right above the transformer 14, one end of the air collecting cover 9 is communicated with an exhaust pipeline, an air outlet 7 is arranged on the top wall of the box body 3, an exhaust fan 6 is arranged in the air outlet 7, and an air inlet of the exhaust fan 6 is communicated with an air outlet of the exhaust pipeline; the air collecting cover 9 can concentrate hot air, so that air flow can be effectively aligned and concentrated at the middle upper part of the transformer 14 in the box body 3, the hot air around the air inlet of the air collecting cover 9 is sucked into the air collecting cover 9 under negative pressure, and the hot air is exhausted out of the box body 3 along the exhaust pipeline 8, so that the purpose of quickly radiating the transformer 14 is achieved, the hot air in the box body 3 is quickly exhausted, and the radiating effect is improved.

Be equipped with two vertical bracing pieces 2 along its central point symmetry at the top of box 3, be equipped with baffle 1 at the top of bracing piece 2, baffle 1 covers the top surface of box 3 completely, and bracing piece 2 supports baffle 1, forms certain distance with box 3, does not influence the discharge of steam in the box 3, and baffle 1 can prevent that outside fallen leaves impurity or precipitation from getting into air outlet 7 moreover.

The baffle 1 is covered above the box body 3 in a herringbone manner, and rainwater can flow down along the inclined plane of the baffle 1, so that drainage is facilitated.

A support plate 15 is arranged at the bottom of the transformer 14, and a support column 16 is arranged at the bottom of the support plate 15 for supporting and placing the transformer 14.

The supporting plate 15 is designed to be groove-shaped, and the transformer 14 is arranged in the groove-shaped groove, so that the transformer 14 is placed more stably.

A plurality of vertically through heat dissipation holes 17 are formed in the support plate 15 to form a certain space between the transformer 14 and the bottom of the tank 3, so that heat generated by the transformer 14 is prevented from being accumulated at the bottom, and the heat dissipation speed of the transformer 14 is increased.

The inner walls of the two sides of the box body 3 are respectively provided with a transverse fixing plate 18 above the air inlet 11, the bottom of the fixing plate 18 and the inner bottom surface of the box body 3 are respectively provided with a concave sliding seat 10, the two sliding seats 10 are symmetrically arranged in the same straight line direction, a mounting plate 13 is arranged in each sliding seat 10, and the dust screen 12 is arranged in each sliding seat 10 in a sliding manner through the mounting plate 13.

The positions, which are just opposite to the dustproof net 12, on the outer walls of the two sides of the box body 3 are respectively hinged with a box door 4, when the dustproof net 12 needs to be cleaned, the box door 4 is opened, and can be pulled out along the sliding seat 10 quickly, so that the box is convenient and quick.

The door 4 is provided with a handle 5 to facilitate opening the door 4.

The utility model discloses a working method does: when in use, the exhaust fan 6 is started, a certain negative pressure area is formed in the air inlet area at the lower end of the air collecting cover 9, so that air flow is effectively aligned and concentrated at the middle upper part of the transformer 14 in the box body 3, hot air at the periphery of the air inlet of the air collecting cover 9 is sucked into the air collecting cover 9 under negative pressure, then enters the exhaust pipeline 8 and is exhausted out of the box body 3 along the exhaust pipeline 8, meanwhile, outside cold air enters the box body 3 from the lower parts of the two sides of the transformer 14 through the air inlet holes 11 and the dust screen 12, so that most of the cold air passes through the transformer 14, the heat dissipation of the transformer 14 is accelerated, a circulating air flow passage is formed among the air inlet holes, the air collecting cover 9, the exhaust pipeline 8, the exhaust fan 6 and the outer part of the box body 3, the heat dissipation of the transformer 14 is accelerated, and when the dust screen 12 needs to be replaced and cleaned, the box doors 4 at the two sides can be opened, so that the dust screen 12 and the mounting plate 13 are pulled out from the sliding seat 10 together, the dismounting is convenient and fast.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalent substitutions may be made in some of the features of the embodiments; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A box transformer is characterized by comprising a box body (3), wherein a transformer (14) is arranged in the middle of the bottom of the box body (3), air inlet holes (11) are formed in the positions, close to the lower positions, of two side walls of the box body (3), and dustproof nets (12) are arranged in the positions, close to the air inlet holes (11), of the two sides in the box body (3) in a sliding mode;

a wind collecting cover (9) is arranged in the box body (3) and is positioned right above the transformer (14), one end of the wind collecting cover (9) is communicated with an exhaust pipeline (8), an air outlet (7) is arranged on the top wall of the box body (3), an exhaust fan (6) is arranged in the air outlet (7), and an air inlet of the exhaust fan (6) is communicated with an air outlet of the exhaust pipeline (8);

the top of the box body (3) is symmetrically provided with two vertical supporting rods (2) along the central position of the box body, the top of each supporting rod (2) is provided with a baffle (1), and the baffle (1) completely covers the top surface of the box body (3).

2. A box transformer according to claim 1, characterized in that: the baffle (1) is covered above the box body (3) in a herringbone shape.

3. A box transformer according to claim 1, characterized in that: the bottom of the transformer (14) is provided with a support plate (15), and the bottom of the support plate (15) is provided with a support column (16).

4. A box transformer (14) according to claim 3, characterized in that: the supporting plate (15) is designed to be groove-shaped, and the transformer (14) is arranged in the groove-shaped.

5. A box transformer according to claim 4, characterized in that: the supporting plate (15) is provided with a plurality of vertically through heat dissipation holes (17).

6. A box transformer according to any one of claims 1 to 5, characterized in that: the top that lies in fresh air inlet (11) on the both sides inner wall of box (3) is equipped with horizontal fixed plate (18) respectively the bottom of fixed plate (18) and the interior bottom surface of box (3) are equipped with a spill slide (10) respectively, two slides (10) are in same straight line direction and symmetry setting be equipped with mounting panel (13) in slide (10), dust screen (12) are passed through mounting panel (13) and are slided and establish in slide (10).

7. A box transformer according to claim 6, characterized in that: and the outer walls of the two sides of the box body (3) are respectively hinged with a box door (4) at the position opposite to the dustproof net (12).

8. A box transformer according to claim 7, characterized in that: the box door (4) is provided with a handle (5).