CN211556642U

CN211556642U - Novel ventilation box transformer substation

Info

Publication number: CN211556642U
Application number: CN201922043762.0U
Authority: CN
Inventors: 王洪兴; 王梦楠
Original assignee: Qingdao Tgood High Pressure Equipment Co ltd
Current assignee: Qingdao Tgood High Pressure Equipment Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-09-22
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a novel ventilation box transformer substation, which comprises a box transformer body, a top cover clamped with the box transformer body, and cabinet bodies positioned at two sides of the box transformer body, wherein the bottom of the box transformer body is provided with two symmetrical air inlets, a ventilation bracket is arranged below the cabinet body, an air pipeline is arranged above the cabinet body, and a centrifugal fan is arranged above the air pipeline; the top cap both ends are equipped with the ventilation hole two with the inside intercommunication of case transformer, be equipped with ventilation hole one on the cabinet body. Its advantage lies in, when realizing heat preservation performance, improves ventilation efficiency.

Description

Novel ventilation box transformer substation

Technical Field

The utility model relates to a circuit equipment technical field, specific novel ventilation box becomes that says so.

Background

When the box transformer is used in a power supply and distribution system, because the box transformer is placed outdoors, the change relationship between the working temperature of the transformer and the ambient temperature is very large, particularly when the temperature is high, the ambient temperature is high, the temperature in the whole box transformer is increased along with the temperature, and in addition, a large amount of heat is generated during the working of the transformer, the temperature of the transformer is easily increased to the trip degree of a load switch, so that the power failure of a user end is caused, and the work and the life of a user are greatly influenced, so that the box transformer is required to be provided with a ventilation system; the vent of the European style box transformer substation is that an air inlet is arranged at the lower end of a door, and a vent hole is arranged on a box transformer substation body to circulate air flow, as in patent CN201610435946.X, but the air flow does not pass through the electric components in the cabinet body, and the heat generated by the electric components is difficult to discharge in time.

Disclosure of Invention

For solving above-mentioned problem, this application provides one kind and does not influence under the heat retaining prerequisite, improves ventilation effect's novel case and becomes. The technical content of the method is as follows,

a novel ventilation box transformer substation comprises a box transformer substation body, a top cover clamped with the box transformer substation body and cabinet bodies positioned on two sides in the box transformer substation body, wherein two symmetrical air inlets are formed in the bottom of the box transformer substation body; the top cap both ends are equipped with the ventilation hole two with the inside intercommunication of case transformer body, are equipped with ventilation hole one on the cabinet body.

The ventilation support corresponds to the air inlet.

The second ventilation hole is of a horn-shaped structure.

The vent hole arrangement structure is a trapezoidal structure or an inverted triangular structure.

The top of the ventilation pipeline is of a conical structure, the bottom of the centrifugal fan is provided with a wind-blocking ring, and the wind-blocking ring is positioned at the bottom of the conical structure of the ventilation pipeline.

And two ends of the air inlet are provided with wind-shielding sheets which are axially connected with the box transformer substation.

Foaming layers are arranged on the inner side walls of the front, rear, left and right sides of the box body; the inner wall of the top cover is provided with a foaming layer.

Advantageous effects

1) Under the condition of meeting the electrical insulation distance, the airflow directivity is introduced into the cabinet body, the requirements of ventilation and heat dissipation are met, the box transformer substation needs heat insulation performance, and heat leakage in the heat transfer process when the air temperature is low is avoided;

2) the arrangement structure of the vent holes is a trapezoidal structure or an inverted triangular structure, so that airflow mainly enters from the bottom of an electrical element, and the heat dissipation effect is improved; the number of the first vent holes can also be adjusted to adjust the size of airflow entering the cabinet body, and the number of the first vent holes of the low-voltage cabinet is generally required to be more than that of the high-voltage cabinet;

3) the second ventilation hole is of a horn-shaped structure, the component serves as an airflow circulation port, and the efficiency of the horn-shaped structure is higher.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of a cabinet structure;

wherein, 1-base; 2-box variant; 21-an air inlet; 211-a wind shield; 3-a cabinet body; 31-vent one; 4-a top cover; 41-vent two; 5-ventilating duct; 6-centrifugal fan; 7-a support beam; 8-a ventilation bracket; 9-insulated terminals.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

A novel ventilation box transformer substation comprises a box transformer body 2, a top cover 4 clamped with the box transformer body 2 and cabinet bodies 3 positioned on two sides in the box transformer body 2, wherein two symmetrical air inlets 21 are formed in the bottom of the box transformer body 1, a ventilation support 8 is arranged below the cabinet bodies 3, a ventilation pipeline 5 is arranged above the ventilation pipeline, the top of the ventilation pipeline 5 is of a conical structure, a centrifugal fan 6 is arranged above the ventilation pipeline, a wind blocking ring is arranged at the bottom of the centrifugal fan 6, and the wind blocking ring is positioned at the bottom of the conical structure of the ventilation pipeline 5; two ends of the top cover 4 are provided with two ventilation holes 41 communicated with the inside of the box transformer 2, the two ventilation holes 41 are of a horn-shaped structure, the side wall of the cabinet body 3 is provided with one ventilation hole 31, the arrangement structure of the one ventilation hole 31 is of a trapezoidal structure or an inverted triangle, and the embodiment is of a trapezoidal structure as shown in fig. 3.

A supporting beam 7 is arranged below the top cover 4 and plays a role in reinforcing and supporting.

The bottom of the box body 2 is arranged on the base 1; the space formed between the cabinet bodies 3 on the two sides of the box body 2 is a main air duct 22, and a third ventilation hole is formed at the position, corresponding to the ventilation duct 5, of the top of each cabinet body 3.

A temperature sensor is arranged in the cabinet body 3 and used for detecting the temperature in the cabinet body, and the temperature sensor is a conventional component and is also a conventional means for installation, and a figure is not shown in the embodiment; the cabinet body 3 includes low-voltage cabinet and high-voltage cabinet, generally requires that the quantity of the ventilation hole 31 of low-voltage cabinet is more than the high-voltage cabinet, and the arrow direction is the air current direction, and the air current direction of one of them cabinet body 3 has only been marked to this embodiment.

The ventilation bracket 8 corresponds to the air inlet 21.

The two ends of the air inlet 21 are provided with the wind-blocking sheets 211, the wind-blocking sheets 211 are coupled with the box transformer substation 2, the opening angle of the wind-blocking sheets 211 can be adjusted within 0-90 degrees, the wind-blocking sheets are used for adjusting the size of air flow, and when the angle is small, large-particle impurities can be blocked outside the box transformer substation, as shown in fig. 2.

An insulated terminal 9 is arranged between the cabinets.

The inner side walls of the front, rear, left and right sides of the box body 2 are provided with foaming layers; the inner wall of the top cover 4 is provided with a foaming layer which is used for heat preservation.

Principle of operation

A temperature sensor is arranged in the cabinet body 3, when the temperature of the cabinet body 3 is higher than a set temperature, the centrifugal fan 6 starts to work, airflow enters the box body 2 from the air inlet 21, passes through the main air duct 22, enters the different cabinet bodies 3 through the first ventilation holes 31, and is discharged from the second ventilation holes 41 through the ventilation duct 5 under the action of the centrifugal fan 6, so that the circulation of the airflow is realized;

when the temperature of the cabinet body 3 is lower than the set temperature, the centrifugal fan 6 does not work, energy can be saved, air flow enters the box body 2 from the air inlet 21, passes through the main air duct 22, enters the different cabinet bodies 3 through the first ventilation holes 31, passes through the ventilation duct 5 under the action of the centrifugal fan 6, and is exhausted from the second ventilation holes 41, and circulation of the air flow is achieved.

To the present invention, any person skilled in the art familiar with the present technical solution can make some changes or modifications to equivalent embodiments with equivalent changes when using the technical contents disclosed above without departing from the technical solution of the present invention, but all the technical solution contents of the present invention still belong to the technical solution of the present invention for any simple modification, equivalent changes and modifications made to the above embodiments by the technical matters of the present invention.

Claims

1. A novel ventilation box transformer substation is characterized by comprising a box transformer body, a top cover clamped with the box transformer body and cabinet bodies positioned on two sides in the box transformer body, wherein two symmetrical air inlets are formed in the bottom of the box transformer body; the top cap both ends are equipped with the ventilation hole two with the inside intercommunication of case transformer, be equipped with ventilation hole one on the cabinet body.

2. The novel ventilation box transformer substation of claim 1, wherein the ventilation bracket corresponds to the air inlet position.

3. The novel ventilation box transformer substation of claim 1, wherein the second ventilation hole is of a horn-shaped structure.

4. The new ventilation box transformer substation of claim 1, wherein the vent hole arrangement structure is a trapezoid structure or an inverted triangle structure.

5. The novel ventilation box transformer substation of claim 1, wherein the top of the ventilation pipeline is of a conical structure, the bottom of the centrifugal fan is provided with a wind-blocking ring, and the wind-blocking ring is positioned at the bottom of the conical structure of the ventilation pipeline.

6. The novel ventilation box transformer substation of claim 1, wherein two ends of the air inlet are provided with wind shielding sheets, and the wind shielding sheets are in shaft connection with the box transformer body.

7. The novel ventilation box transformer substation as claimed in claim 1, wherein the inner side walls of the front, rear, left and right sides of the box transformer substation are provided with foaming layers; and a foaming layer is arranged on the inner wall of the top cover.