CN111180163A

CN111180163A - Explosion-proof transformer

Info

Publication number: CN111180163A
Application number: CN201811343291.9A
Authority: CN
Inventors: 殷邗清
Original assignee: Jiangsu Tin Yi High Tech Zone Technology Development Co Ltd
Current assignee: Jiangsu Tin Yi High Tech Zone Technology Development Co Ltd
Priority date: 2018-11-13
Filing date: 2018-11-13
Publication date: 2020-05-19

Abstract

The invention discloses an explosion-proof transformer, which comprises a cabinet body, wherein a cabinet door is hinged to the front side of the cabinet body, a handle is installed on one side of the cabinet door, a flat-head slope-shaped shell is fixedly installed at the top of the cabinet body, a heat dissipation fan is installed inside the flat-head slope-shaped shell, through holes are formed in the top end of the cabinet body and one side of the flat-head slope-shaped shell, a waterproof plate is fixedly connected to the bottom of the cabinet body, the bottom of the waterproof plate is fixedly connected with output ends of four electric telescopic rods which are distributed in a rectangular shape, fixed ends of the four electric telescopic rods are fixedly connected with a base plate, a switch panel is installed on the inner. According to the explosion-proof transformer, the pressure inside the transformer is sensed at any time through the pressure sensing switch, and when the pressure reaches a certain range, the pressure inside the transformer can be released in time, so that the transformer is prevented from being damaged due to explosion.

Description

Explosion-proof transformer

Technical Field

The invention relates to a transformer, in particular to an explosion-proof transformer.

Background

The cabinet type transformer is characterized in that the traditional transformer is intensively designed in a box type shell, has small volume, light weight, low noise, low loss and high reliability, and is widely applied to residential districts, commercial centers, light stations, airports, factories and mines, enterprises, hospitals, schools and other places. The transformer needs to accomplish the conversion between low-voltage and high-voltage, and during transformer full load work, coil and iron core vortex can produce the heat, and the load is big more that generates heat, need in time dispel the heat to transformer inside, when transformer coil burning or internal failure are serious, transformer internal pressure suddenly increases, when transformer internal pressure surpassed a definite value, the explosion that probably takes place very much

The structural strength of the existing transformer cabinet is low, and the explosion of the transformer can cause the cabinet body to be exploded, so that the safety of the surrounding environment is influenced.

Disclosure of Invention

The invention aims to provide an explosion-proof transformer to solve the problem that the transformer is easy to explode when the internal pressure is too high.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an explosion-proof transformer, includes the cabinet body, the front of the cabinet body articulates there is the cabinet door, the handle is installed to one side of cabinet door, the top fixed mounting of the cabinet body has flat head slope type casing, the internally mounted of flat head slope type casing has the heat dissipation fan, the through-hole has all been seted up to the top of the cabinet body and one side of flat head slope type casing, the bottom fixedly connected with waterproof board of the cabinet body, the bottom of waterproof board and four electric telescopic handle's that are the rectangle and distribute output fixed connection, four electric telescopic handle's stiff end all with base plate fixed connection, flush mounting plate of switch is installed to the inboard of the cabinet body, flush mounting plate of switch is last to install heat dissipation fan switch and electric telescopic handle switch, the heat dissipation fan passes through the equal and external power electric connection of heat dissipation.

As a preferred technical scheme of the invention, the bottom openings at two sides of the cabinet body are both fixedly provided with flanges, and the two flanges are respectively and fixedly connected with the pressure release valve through the first spring.

As a preferable technical scheme of the invention, a partition plate is embedded in the inner wall of the cabinet body, and the partition plate and the inner wall of the cabinet body are filled with powder extinguishing agent.

As a preferred technical scheme of the present invention, pressure sensing switches are respectively and fixedly installed on the inner sides of the partition plates, and the pressure release valve is electrically connected to an external power supply through the pressure sensing switches.

As a preferable technical scheme of the invention, one side of the flat-head slope type shell is provided with a through hole, and a filter screen is embedded in the through hole.

As a preferable technical scheme of the invention, second springs are sleeved outside the output ends of the four electric telescopic rods.

As a preferred technical scheme of the invention, the top parts of the two sides of the cabinet body are respectively provided with a louver fan.

Compared with the prior art, the invention has the beneficial effects that: according to the explosion-proof transformer, the pressure inside the transformer is sensed through the pressure sensing switch, when the pressure reaches a certain value, the pressure is released through the pressure release valve, explosion caused by overlarge pressure is prevented, the first spring plays a buffering role, and the pressure release valve is prevented from being flushed away from a cabinet body due to the overlarge pressure; the second spring buffers the vibration of the cabinet body during lifting, so that the vibration buffering effect is achieved; the exhaust fan discharges high temperature in the cabinet body to the outside, air convection is formed in the cabinet body through the louver fan, internal air pressure is stabilized, temperature is continuously reduced, impurities in the air are filtered through the filter screen, and the impurities are prevented from entering the transformer to influence the use of equipment; the powder extinguishing agent is used for preventing the burning of the coil caused by the short circuit in the transformer, and the effect of timely extinguishing fire is achieved.

Drawings

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

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

fig. 3 is a schematic side view of the cabinet of the present invention.

In the figure: 1. a cabinet body; 2. a powdered fire extinguishing agent; 3. a partition plate; 4. a cabinet door; 5. a handle; 6. a heat dissipation fan; 7. a flat-head ramp-type housing; 8. a pressure sensitive switch; 9. a flange; 10. a pressure relief valve; 11. a first spring; 12. a waterproof sheet; 13. a substrate; 14. an electric telescopic rod; 15. a second spring; 16. filtering with a screen; 17. a louvered fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the invention provides an explosion-proof transformer, which comprises a cabinet body 1, wherein a cabinet door 4 is hinged to the front surface of the cabinet body 1, a handle 5 is installed on one side of the cabinet door 4, a flat-head slope-shaped shell 7 is fixedly installed at the top of the cabinet body 1, a heat dissipation fan 6 is installed inside the flat-head slope-shaped shell 7, through holes are respectively formed in the top end of the cabinet body 1 and one side of the flat-head slope-shaped shell 7, a waterproof plate 12 is fixedly connected to the bottom of the cabinet body 1, the bottom of the waterproof plate 12 is fixedly connected with output ends of four electric telescopic rods 14 which are distributed in a rectangular shape, fixed ends of the four electric telescopic rods 14 are fixedly connected with a base plate 13, a switch panel is installed on the inner side of the cabinet body 1, a heat dissipation fan switch and an electric telescopic rod switch are installed on the.

Preferably, the equal fixed mounting in bottom trompil department of cabinet body 1 both sides has flange 9, and two flanges 9 are respectively through first spring 11 and relief valve 10 fixed connection, go out through the pressure release of relief valve 10 with cabinet body 1 inside pressure release.

Preferably, the inner wall of the cabinet body 1 is embedded with a partition plate 3, and the partition plate 3 and the inner wall of the cabinet body 1 are filled with a powder extinguishing agent 2 to play a role in extinguishing fire.

Preferably, the pressure sensing switch 8 is fixedly mounted on the inner side of the partition plate 3 respectively, and the pressure release valve 10 is electrically connected with an external power supply through the pressure sensing switch 8, so that the pressure inside the cabinet body 1 can be sensed at any time, and the transformer explosion caused by overlarge pressure can be prevented.

Preferably, a through hole is formed in one side of the flat-head slope type shell 7, a filter screen 16 is embedded in the through hole, and impurities in the air are filtered through the filter screen 16.

Preferably, the output ends of the four electric telescopic rods 14 are all sleeved with second springs 15 to play a role in cushioning.

Preferably, the top of the two sides of the cabinet body 1 is provided with the louver fan 17, and the louver fan 17 and the heat dissipation fan 6 form air convection in the cabinet body 1, so that the internal air pressure is stabilized, and ventilation and heat dissipation are realized.

When the explosion-proof transformer is used, a pressure heat radiation fan switch, an electric telescopic rod switch and a pressure induction switch 8 are turned on, a cabinet body 1 is adjusted to a proper height through an electric telescopic rod 14, cold air outside the cabinet body 1 enters the cabinet body 1 through a louver fan 17, heat emitted during the working of the transformer is discharged outside through a heat radiation fan 6, automatic circulation of the air is realized, air convection is formed in the cabinet body 1, the internal air pressure is stabilized, meanwhile, a flat-head slope type shell 7 avoids water accumulation and reduces direct sunlight, the temperature in the cabinet body 1 is correspondingly reduced, when the transformer works under full load, when the pressure induction switch 8 senses that the pressure in the cabinet body 1 reaches a certain value, the pressure switch is turned on, the pressure in the cabinet body 1 is released through a pressure release valve 10, the explosion of the transformer is avoided, and when a coil in the cabinet body 1 is short-circuited or has serious faults, the spontaneous combustion of electrical components in the cabinet body 1 can be caused, and the powder extinguishing agent 2 between the cabinet body 1 and the partition plate 3 can be used for timely extinguishing fire so as to prevent the fire from spreading or causing explosion to harm the surrounding environment.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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. An explosion-proof transformer comprises a cabinet body (1) and is characterized in that a cabinet door (4) is hinged to the front side of the cabinet body (1), a handle (5) is installed on one side of the cabinet door (4), a flat head slope type shell (7) is fixedly installed at the top of the cabinet body (1), a heat dissipation fan (6) is installed inside the flat head slope type shell (7), through holes are formed in the top end of the cabinet body (1) and one side of the flat head slope type shell (7), a waterproof plate (12) is fixedly connected to the bottom of the cabinet body (1), the bottom of the waterproof plate (12) is fixedly connected with output ends of four electric telescopic rods (14) which are distributed in a rectangular shape, fixed ends of the four electric telescopic rods (14) are fixedly connected with a base plate (13), a switch panel is installed on the inner side of the cabinet body (1), and a heat dissipation fan switch and an electric telescopic rod switch are installed on, the heat dissipation fan (6) is electrically connected with an external power supply through the heat dissipation fan switch and the electric telescopic rod (14) through the electric telescopic rod switch.

2. An explosion-proof transformer as claimed in claim 1, characterized in that: the bottom of the cabinet body (1) both sides is equipped with flange (9) in the trompil department, two flange (9) are respectively through first spring (11) and relief valve (10) fixed connection.

3. An explosion-proof transformer as claimed in claim 1, characterized in that: the inner wall of the cabinet body (1) is embedded with a partition board (3), and the partition board (3) and the inner wall of the cabinet body (1) are filled with powder extinguishing agent (2).

4. An explosion-proof transformer as claimed in claim 3, characterized in that: the inner sides of the partition plates (3) are respectively and fixedly provided with a pressure sensing switch (8), and the pressure release valve (10) is electrically connected with an external power supply through the pressure sensing switch (8).

5. An explosion-proof transformer as claimed in claim 1, characterized in that: one side of the flat-head slope type shell (7) is provided with a through hole, and a filter screen (16) is embedded in the through hole.

6. An explosion-proof transformer as claimed in claim 1, characterized in that: and the outer parts of the output ends of the four electric telescopic rods (14) are all sleeved with second springs (15).

7. An explosion-proof transformer as claimed in claim 1, characterized in that: the top of the two sides of the cabinet body (1) is provided with a louver fan (17).