CN217690689U

CN217690689U - Explosion-proof structure of voltage transformer

Info

Publication number: CN217690689U
Application number: CN202221184153.2U
Authority: CN
Inventors: 马忠; 丁红文
Original assignee: Dalian Zhongfa Transformer Co ltd
Current assignee: Dalian Zhongfa Transformer Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-10-28
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a voltage transformer's explosion-proof structure, including explosion-proof shell, the both sides of explosion-proof shell top are fixed with the shell, the position department that the explosion-proof shell both sides are close to the bottom is provided with dustproof construction, the both sides of explosion-proof shell are run through there is the louvre, the inside of explosion-proof shell and shell is provided with additional strengthening, the inside one side of explosion-proof shell is provided with heat radiation structure. This voltage transformer's explosion-proof structure is through being provided with explosion-proof wire one, explosion-proof wire two and node when using, and explosion-proof wire one and explosion-proof wire two distribute inside explosion-proof shell to it is fixed through the node between explosion-proof wire one and the explosion-proof wire two, and a plurality of distributions of explosion-proof wire one and explosion-proof wire are inside explosion-proof shell, and the later stage can increase the intensity of explosion-proof shell to a certain extent through explosion-proof wire one, explosion-proof wire two and node, has improved this voltage transformer's explosion-proof structure's practicality.

Description

Explosion-proof structure of voltage transformer

Technical Field

The utility model relates to a voltage transformer technical field specifically is a voltage transformer's explosion-proof structure.

Background

Along with the society science and technology ground is constantly developing, voltage transformer also is constantly promoting, and electric element mutual-inductor is also by wide application simultaneously, and voltage transformer transform voltage's purpose is used for supplying power for measuring apparatu and relay protection device for partial equipment in the protection circuit when the circuit breaks down, voltage transformer are assembled by a plurality of parts and form, wherein the explosion-proof structure of the most important thing, and the later stage is passed through explosion-proof structure and is avoided voltage transformer explosion phenomenon as far as possible.

The explosion-proof structure of this kind of voltage transformer on the market is various now, can satisfy people's user demand basically, but still has certain problem:

1. when the existing explosion-proof structure of the voltage transformer is used, the explosion-proof shell has limited strength, and when explosion occurs in the later period, fragments of the explosion-proof shell are split, so that the explosion-proof effect is poor;

2. when the existing explosion-proof structure of the voltage transformer is used, because the heat dissipation effect in the explosion-proof shell is poor, the temperature in the explosion-proof shell is gradually increased at the later stage, and the service life of an internal electric element is influenced;

3. when the explosion-proof structure of the existing voltage transformer is used, external dust easily enters from the inside of the heat dissipation hole, and the normal operation of electric elements in the explosion-proof shell is influenced for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a voltage transformer's explosion-proof structure to solve common voltage transformer's explosion-proof structure on the existing market that proposes in the above-mentioned background art, when using, explosion-proof effect is not good, causes the piece to splash, and inside temperature increases gradually during the function, influences the normal function of electric element, and dustproof effect is not good simultaneously, the easy problem that gets into of outside tiny dust.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a voltage transformer's explosion-proof construction, includes explosion-proof shell, the both sides of explosion-proof shell top are fixed with the shell, the position department that the explosion-proof shell both sides are close to the bottom is provided with dustproof construction, the louvre has been run through to the both sides of explosion-proof shell, the inside of explosion-proof shell and shell is provided with additional strengthening, the inside one side of explosion-proof shell is provided with heat radiation structure.

Preferably, the heat radiation structure comprises a liquid inlet pipe, a liquid discharge pipe, a fan and a circulating pipe, the fan is installed on one side inside the explosion-proof shell, the circulating pipe is installed inside the explosion-proof shell, the liquid inlet pipe is arranged at one end of the top of the circulating pipe, and the liquid discharge pipe is arranged at one end of the bottom end of the circulating pipe.

Preferably, the liquid inlet pipe and the liquid outlet pipe both extend to the outside of the explosion-proof shell, and the circulating pipe and the fan are parallel to each other.

Preferably, dustproof construction includes welding layer, frame and filter screen, the frame sets up in the both sides of explosion-proof shell, the inside of frame is provided with the filter screen, the frame is fixed with the welding layer near the one end of explosion-proof shell.

Preferably, the filter screen and the heat dissipation holes are parallel to each other, and the frame is provided with five groups.

Preferably, the reinforcing structure comprises a first explosion-proof wire, a second explosion-proof wire and a node, the first explosion-proof wire is arranged inside the explosion-proof shell, one end of the first explosion-proof wire is provided with the second explosion-proof wire, and the node is arranged between the second explosion-proof wire and the first explosion-proof wire.

Preferably, the first explosion-proof wire and the second explosion-proof wire are both provided with a plurality of explosion-proof wires, and the plurality of explosion-proof wires are perpendicular to each other.

Compared with the prior art, the beneficial effects of the utility model are that: the explosion-proof structure of the voltage transformer,

1. the first explosion-proof wire, the second explosion-proof wire and the nodes are arranged, the first explosion-proof wire and the second explosion-proof wire are distributed in the explosion-proof shell and fixed through the nodes, and a plurality of the first explosion-proof wires and the second explosion-proof wires are distributed in the explosion-proof shell;

2. the cooling liquid flows along the circulating pipe, and can quickly dissipate heat inside the explosion-proof shell under the operation of the fan, so that the heat dissipation effect of the explosion-proof structure of the voltage transformer is improved;

3. through being provided with including welding layer, frame and filter screen, the frame passes through the welding layer and connects on the outer wall of explosion-proof shell, and is parallel between filter screen and the louvre to the one-to-one, and effectual dust prevention gets into under the effect through the filter screen when later stage uses, has realized that this voltage transformer's explosion-proof structure has dustproof effect.

Drawings

FIG. 1 is a schematic view of the front view of the local explosion structure of the present invention;

FIG. 2 is a schematic view of the local front sectional structure of the explosion-proof case of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the frame of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. an explosion-proof shell; 2. a housing; 3. a heat dissipation structure; 301. a liquid inlet pipe; 302. a liquid discharge pipe; 303. a fan; 304. a circulation pipe; 4. a dust-proof structure; 401. welding the layers; 402. a frame; 403. a filter screen; 5. a reinforcing structure; 501. an explosion-proof wire I; 502. a second explosion-proof wire; 503. a node; 6. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a voltage transformer's explosion-proof construction, includes explosion-proof shell 1, and the both sides of explosion-proof shell 1 top are fixed with shell 2, and the position department that explosion-proof shell 1 both sides are close to the bottom is provided with dustproof construction 4, and dustproof construction 4 includes welded layer 401, frame 402 and filter screen 403, and frame 402 sets up in the both sides of explosion-proof shell 1, and the inside of frame 402 is provided with filter screen 403, and the one end that frame 402 is close to explosion-proof shell 1 is fixed with welded layer 401. The filter screen 403 and the heat dissipation holes 6 are parallel to each other, and five groups of frames 402 are provided. The frame 402 protects the heat dissipation holes 6 and reduces the entry of external dust.

Referring to fig. 3, after manufacturing, the frame 402 is welded to the outer wall of the explosion-proof housing 1 through the welding layer 401, and the filter screen 403 corresponds to the heat dissipation hole 6, so that when the explosion-proof housing is used at a later stage, dust is shielded by the filter screen 403, and the dust is prevented from entering the explosion-proof housing 1 as much as possible by shielding the dust.

Two sides of the explosion-proof shell 1 are penetrated through with heat dissipation holes 6, the inside of the explosion-proof shell 1 and the shell 2 is provided with a reinforcing structure 5, the reinforcing structure 5 comprises a first explosion-proof wire 501, a second explosion-proof wire 502 and a node 503, the first explosion-proof wire 501 is arranged inside the explosion-proof shell 1, one end of the first explosion-proof wire 501 is provided with the second explosion-proof wire 502, and the node 503 is arranged between the second explosion-proof wire 502 and the first explosion-proof wire 501. The first explosion-proof wire 501 and the second explosion-proof wire 502 are arranged in a plurality of numbers, and the first explosion-proof wire 501 and the second explosion-proof wire 502 are perpendicular to each other. The area of the explosion-proof shell 1 with increased strength can be enlarged through the first explosion-proof wires 501 and the second explosion-proof wires 502, and the first explosion-proof wires 501 and the second explosion-proof wires 502 are fixedly connected through the nodes 503.

Referring to fig. 4, firstly, when the explosion-proof shell 1 is manufactured, the first explosion-proof wire 501 and the second explosion-proof wire 502 are arranged at the inner part of the explosion-proof shell 1, the first explosion-proof wire 501 and the second explosion-proof wire 502 are fixed through the node 503, the first explosion-proof wire 501, the second explosion-proof wire 502 and the node 503 form an explosion-proof net, the strength of the explosion-proof shell 1 can be increased through the first explosion-proof wire 501, the second explosion-proof wire 502 and the node 503 in the later period, the explosion-proof effect of the explosion-proof shell 1 can be increased to a certain extent by increasing the strength of the explosion-proof shell 1, and fragments generated by the explosion-proof shell 1 and splashed around are avoided as much as possible.

1 inside one side of explosion-proof shell is provided with heat radiation structure 3, heat radiation structure 3 includes feed liquor pipe 301, fluid-discharge tube 302, fan 303 and circulating pipe 304, fan 303 is installed in 1 inside one side of explosion-proof shell, circulating pipe 304 is installed in explosion-proof shell 1's inside, the one end at circulating pipe 304 top is provided with feed liquor pipe 301, the one end of circulating pipe 304 bottom is provided with fluid-discharge tube 302, weld closely fixed between fluid-discharge tube 302 and circulating pipe 304 and the feed liquor pipe 301, and simultaneously, the inside intercommunication state that is of fluid-discharge tube 302 and circulating pipe 304 and feed liquor pipe 301, the body of being convenient for to flow flows. Liquid inlet pipe 301 and fluid discharge pipe 302 all extend to the outside of explosion-proof shell 1, are parallel to each other between circulating pipe 304 and the fan 303, strengthen explosion-proof effect.

Referring to fig. 1-2, external cooling fluid or cooling gas flows into the circulation pipe 304 through the fluid inlet pipe 301 and flows out through the fluid outlet pipe 302, the fluid outlet pipe 302 is activated, the fluid outlet pipe 302 is operated, and wind is cooled through the circulation pipe 304 under the operation of the fluid outlet pipe 302 to cool the interior of the explosion-proof case 1.

The working principle is as follows: at first install explosion-proof shell 1 and shell 2 inside explosion-proof shell 1 and shell 2 at voltage transformer's electrical components, when voltage transformer operates, outside water pump and water tank are connected to feed liquor pipe 301, the coolant liquid flows into to the circulating pipe 304 along feed liquor pipe 301 in, and flow out through fluid-discharge tube 302, start-up fan 303, fan 303 operates, wind-force is cooled down through circulating pipe 304, to the inside cooling of explosion-proof shell 1, prevent that outside dust from getting into to explosion-proof shell 1 inside under the effect through filter screen 403, and explosion-proof shell 1 is through explosion-proof first 501, explosion-proof shell 1 is through explosion-proof second 502 and node 503's effect down the effectual explosion piece that appears in explosion-proof shell 1 splashes, when producing the explosion simultaneously, the inside gas energy of explosion-proof shell 1 is discharged along 6 louvres, can play explosion-proof effect to a certain extent.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides an explosion-proof structure of voltage transformer, includes explosion-proof shell (1), its characterized in that: the explosion-proof shell is characterized in that a shell (2) is fixed on two sides of the top of the explosion-proof shell (1), a dustproof structure (4) is arranged at the position, close to the bottom, of two sides of the explosion-proof shell (1), radiating holes (6) penetrate through two sides of the explosion-proof shell (1), reinforcing structures (5) are arranged inside the explosion-proof shell (1) and the shell (2), and a radiating structure (3) is arranged on one side of the inside of the explosion-proof shell (1).

2. The explosion-proof structure of a voltage transformer according to claim 1, characterized in that: the heat dissipation structure (3) comprises a liquid inlet pipe (301), a liquid discharge pipe (302), a fan (303) and a circulating pipe (304), wherein the fan (303) is installed on one side inside the explosion-proof shell (1), the circulating pipe (304) is installed inside the explosion-proof shell (1), the liquid inlet pipe (301) is arranged at one end of the top of the circulating pipe (304), and the liquid discharge pipe (302) is arranged at one end of the bottom end of the circulating pipe (304).

3. The explosion-proof structure of a voltage transformer according to claim 2, wherein: the liquid inlet pipe (301) and the liquid outlet pipe (302) both extend to the outside of the explosion-proof shell (1), and the circulating pipe (304) and the fan (303) are parallel to each other.

4. The explosion-proof structure of a voltage transformer according to claim 1, wherein: dustproof construction (4) are including welding layer (401), frame (402) and filter screen (403), frame (402) set up in the both sides of explosion-proof shell (1), the inside of frame (402) is provided with filter screen (403), frame (402) are close to the one end of explosion-proof shell (1) and are fixed with welding layer (401).

5. The explosion-proof structure of a voltage transformer according to claim 4, wherein: the filter screen (403) and the heat dissipation holes (6) are parallel to each other, and five groups of frames (402) are arranged.

6. The explosion-proof structure of a voltage transformer according to claim 1, characterized in that: the reinforced structure (5) comprises a first explosion-proof wire (501), a second explosion-proof wire (502) and a node (503), wherein the first explosion-proof wire (501) is arranged inside the explosion-proof shell (1), one end of the first explosion-proof wire (501) is provided with the second explosion-proof wire (502), and the node (503) is arranged between the second explosion-proof wire (502) and the first explosion-proof wire (501).

7. The explosion-proof structure of a voltage transformer according to claim 6, wherein: the first explosion-proof wire (501) and the second explosion-proof wire (502) are arranged in a plurality of numbers, and the first explosion-proof wire (501) and the second explosion-proof wire (502) are perpendicular to each other.