CN211507266U

CN211507266U - Explosion-proof flame-retardant transformer

Info

Publication number: CN211507266U
Application number: CN201921369730.3U
Authority: CN
Inventors: 李含章; 蒋利川
Original assignee: Chengdu Yibian Transformer Co ltd
Current assignee: Chengdu Yibian Transformer Co ltd
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-09-15
Anticipated expiration: 2029-08-22

Abstract

The utility model discloses an explosion-proof flame retardant transformer, including transformer main body, two cooling tubes are installed to transformer main body's upper end, a plurality of high-tension bushing is evenly installed to the centre of cooling tube, fire-retardant layer is installed in the outside of cooling tube, transformer main body fixed frame is installed to transformer main body's below, the bottom insulating layer is installed to transformer main body fixed frame's below, the backup pad is all installed to transformer main body fixed frame's both sides, the outside of backup pad is provided with the backup pad spout, the slider is installed to the opposite side of backup pad, the outside of slider is provided with the slider spout, explosion-proof shell is installed in the outside of slider. The utility model discloses an install damping spring and fire-retardant layer, can weaken the shock wave that external explosion produced, protect the transformer internals not damaged, can prevent inside the transformer of flame burning for the transformer is from inside explosion that produces.

Description

Explosion-proof flame-retardant transformer

Technical Field

The utility model relates to a transformer technical field specifically is an explosion-proof flame-retardant transformer.

Background

With the rapid development of social economy, a Transformer (Transformer) is a static electric appliance made by using the principle of electromagnetic induction, and a device for changing alternating voltage by using the principle of electromagnetic induction, and the Transformer has the main components of a primary coil, a secondary coil and an iron core (magnetic core), and has the main functions of: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

However, when the existing transformer is used, once the external fire happens, the existing transformer is easy to spread into the transformer, so that internal elements are damaged, even explosion occurs, large-range damage is caused, and even casualties are caused; therefore, the existing requirements are not met, and an explosion-proof flame-retardant transformer is provided for the requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof flame retardant transformer to solve the present transformer that proposes in the above-mentioned background art and once external when using on fire, stretch to the transformer inside very easily, lead to the internal member to damage, even explode, cause destruction on a large scale, cause the casualties scheduling problem even.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof flame-retardant transformer comprises a transformer main body, wherein two radiating tubes are installed at the upper end of the transformer main body, a plurality of high-voltage sleeves are uniformly installed in the middles of the radiating tubes, flame-retardant layers are installed on the outer sides of the radiating tubes, a transformer main body fixing frame is installed below the transformer main body, a bottom layer heat-insulating layer is installed below the transformer main body fixing frame, supporting plates are installed on two sides of the transformer main body fixing frame, supporting plate chutes are formed in the outer sides of the supporting plates, a sliding block is installed on the other side of each supporting plate, sliding block chutes are formed in the outer sides of the sliding blocks, an explosion-proof shell is installed on the outer side of each sliding block, two side edge heat-insulating layers are installed inside the explosion-proof shell, a fire-insulating plate is installed, and a damping spring is arranged inside the fire stopping interval.

Preferably, the interior of the fire barrier compartment is filled with nitrogen, carbon dioxide, a mixture of helium and carbon dioxide.

Preferably, one side of the supporting plate is completely attached to one side of the transformer main body fixing frame, and the supporting plate is fixed to the transformer main body fixing frame through welding.

Preferably, one end of the damping spring is completely attached to one end of the transformer main body fixing frame, the other end of the damping spring is completely attached to the inner wall of the explosion-proof shell, and the transformer main body fixing frame is connected with the explosion-proof shell through the damping spring.

Preferably, the outer side of the sliding block is completely attached to the inner side of the sliding block sliding groove, and the sliding block is connected with the sliding block sliding groove in a sliding mode.

Preferably, a sealing sleeve is installed on the outer side of the high-voltage sleeve, and the high-voltage sleeve is connected with the explosion-proof shell through the sealing sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a when the external world explodes, explosion-proof shell can block the sputter that the explosion produced, explosion-proof shell has the copper alloy to make, because copper itself is relatively softer, the friction has fine yielding nature with the striking, is difficult for producing small metal particle, and protection transformer main part can not be punctured by the sputter, and when the shock wave passed to transformer main part, transformer main part can be promoted backward by the shock wave, and damping spring can prevent transformer main part and explosion-proof shell from colliding this moment, weakens the impact wave to transformer main part's influence;

2. the utility model discloses a fire-retardant layer, side insulating layer and bottom insulating layer can prevent inside flame conduction to the transformer, avoid external high temperature to make the inside component of transformer main part damage, and the inside inert gas in back-fire relief interval can further prevent that flame from stretching for external flame and high temperature can not cause serious damage to the transformer.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a cross-sectional view of the entire invention;

fig. 3 is a partial structural sectional view of the slider of the present invention.

In the figure: 1. a transformer body; 2. an explosion-proof housing; 3. a flame retardant layer; 4. a side heat insulation layer; 5. a transformer main body fixing frame; 6. a support plate; 7. a bottom layer heat insulation layer; 8. a radiating pipe; 9. a high voltage bushing; 10. a fire barrier; 11. a support plate chute; 12. a damping spring; 13. sealing sleeves; 14. a slide block chute; 15. a slider; 16. the fire barrier is spaced.

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 to fig. 3, the present invention provides an embodiment: an explosion-proof flame-retardant transformer comprises a transformer main body 1, two radiating pipes 8 are installed at the upper end of the transformer main body 1, a plurality of high-voltage sleeves 9 are evenly installed in the middles of the radiating pipes 8, flame-retardant layers 3 are installed on the outer sides of the radiating pipes 8 and can prevent external flames from burning into the transformer, a transformer main body fixing frame 5 is installed below the transformer main body 1, a bottom layer heat-insulating layer 7 is installed below the transformer main body fixing frame 5, supporting plates 6 are installed on two sides of the transformer main body fixing frame 5, supporting plate sliding grooves 11 are formed in the outer sides of the supporting plates 6, a sliding block 15 is installed on the other side of the supporting plates 6, sliding block sliding grooves 14 are formed in the outer sides of the sliding blocks 15, an explosion-proof shell 2 is installed on the outer side of the explosion-proof, the fire barrier 10 is arranged inside the front end of the explosion-proof shell 2, the fire-retardant interval 16 is arranged between the transformer main body 1 and the explosion-proof shell 2, and the damping spring 12 is arranged inside the fire-retardant interval 16, so that impact force generated by external explosion can be weakened, and the integrity of internal elements of the transformer is protected.

Further, the fire retardant compartment 16 is filled with nitrogen, carbon dioxide, or a mixture of helium and carbon dioxide, and the inert gas has poor combustibility, so that the flame is extinguished due to oxygen deficiency when encountering the inert gas.

Furthermore, one side of the supporting plate 6 is completely attached to one side of the transformer main body fixing frame 5, the supporting plate 6 is fixed to the transformer main body fixing frame 5 through welding, the connection performance and stability of the supporting plate 6 and the transformer main body fixing frame 5 are enhanced through welding, and the transformer main body fixing frame has good mechanical performance.

Further, one end of the damping spring 12 is completely attached to one end of the transformer main body fixing frame 5, the other end of the damping spring 12 is completely attached to the inner wall of the explosion-proof housing 2, the transformer main body fixing frame 5 is connected with the explosion-proof housing 2 through the damping spring 12, and the damping spring 12 can weaken impact force generated by external explosion and protect the integrity of internal elements of the transformer.

Further, the outside of slider 15 and the inboard of slider spout 14 are laminated completely, and slider 15 passes through sliding connection with slider spout 14, and sliding connection simple structure, convenient to use makes things convenient for the motion of slider 15.

Further, a sealing sleeve 13 is installed on the outer side of the high-voltage sleeve 9, the high-voltage sleeve 9 is connected with the explosion-proof shell 2 through the sealing sleeve 13, and the sealing sleeve 13 can keep the gas inside the fire-retardant interval 16 from leaking and prevent external oxygen from entering.

The working principle is as follows: when the transformer body is used, firstly, the sliding block 15 and the supporting plate 6 are welded and fixed, the welded sliding block 15 is placed in the sliding block sliding groove 14, then, the supporting plate 6 and the transformer body fixing frame 5 are welded and fixed, the installed transformer body 1 is placed on the transformer body fixing frame 5, then, the damping spring 12 is installed between the transformer body fixing frame 5 and the explosion-proof shell 2, then, the explosion-proof shell 2 provided with the flame-retardant layer 3, the side heat-insulating layer 4 and the bottom heat-insulating layer 7 is closed, when an explosion occurs in the outside, the explosion-proof shell 2 can block a sputtering object generated by the explosion to protect the transformer body 1 from being punctured by the sputtering object, when an impact wave is transmitted to the transformer body 1, the transformer body 1 can be pushed backwards by the impact wave, at the moment, the damping spring 12 can prevent the transformer body 1 from colliding with the explosion-proof shell 2, the influence of shock wave to transformer main part 1 is weakened, and fire-retardant layer 3, side insulating layer 4 and bottom insulating layer 7 can prevent flame conduction to the transformer inside, avoid external high temperature to make the inside component of transformer main part 1 damage, and the inside inert gas of back-fire relief interval 16 can further prevent that flame from stretching.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An explosion-proof flame retardant transformer, includes transformer main part (1), its characterized in that: two radiating tubes (8) are installed at the upper end of the transformer main body (1), a plurality of high-voltage bushings (9) are evenly installed in the middle of each radiating tube (8), a flame-retardant layer (3) is installed on the outer side of each radiating tube (8), a transformer main body fixing frame (5) is installed below the transformer main body fixing frame (1), a bottom heat-insulating layer (7) is installed below the transformer main body fixing frame (5), supporting plates (6) are installed on two sides of the transformer main body fixing frame (5), supporting plate sliding grooves (11) are formed in the outer sides of the supporting plates (6), a sliding block (15) is installed on the other side of each supporting plate (6), a sliding block sliding groove (14) is formed in the outer side of each sliding block (15), an explosion-proof shell (2) is installed on the outer side of each sliding block (15), and two side heat-, the front end internally mounted of explosion-proof housing (2) has fire shield (10), be provided with back-fire relief interval (16) in the middle of transformer main part (1) and explosion-proof housing (2), the internally mounted of back-fire relief interval (16) has damping spring (12).

2. The explosion-proof flame-retardant transformer according to claim 1, characterized in that: the fire retardant space (16) is filled with nitrogen, carbon dioxide, and a mixed gas of helium and carbon dioxide.

3. The explosion-proof flame-retardant transformer according to claim 1, characterized in that: one side of the supporting plate (6) is completely attached to one side of the transformer main body fixing frame (5), and the supporting plate (6) is fixed to the transformer main body fixing frame (5) through welding.

4. The explosion-proof flame-retardant transformer according to claim 1, characterized in that: the one end of damping spring (12) and the one end of transformer main part fixed frame (5) laminate completely, the other end of damping spring (12) and the inner wall of explosion-proof housing (2) laminate completely, transformer main part fixed frame (5) are connected through damping spring (12) with explosion-proof housing (2).

5. The explosion-proof flame-retardant transformer according to claim 1, characterized in that: the outside of slider (15) and the inboard of slider spout (14) are laminated completely, slider (15) and slider spout (14) pass through sliding connection.

6. The explosion-proof flame-retardant transformer according to claim 1, characterized in that: a sealing sleeve (13) is installed on the outer side of the high-pressure sleeve (9), and the high-pressure sleeve (9) is connected with the explosion-proof shell (2) through the sealing sleeve (13).