CN220138062U

CN220138062U - Low-noise mining explosion-proof dry-type transformer

Info

Publication number: CN220138062U
Application number: CN202320433460.8U
Authority: CN
Inventors: 王海滨; 李双; 杜丽娜
Original assignee: Fushun Special Transformer Manufacturing Co ltd
Current assignee: Fushun Special Transformer Manufacturing Co ltd
Priority date: 2023-03-09
Filing date: 2023-03-09
Publication date: 2023-12-05
Anticipated expiration: 2033-03-09

Abstract

The utility model relates to the technical field of mining flame-proof dry transformers, and discloses a low-noise mining flame-proof dry transformer, which comprises a cylinder, wherein an iron core and a bracket are fixedly arranged on the inner wall of one side of the cylinder, the bracket is positioned below the iron core, the iron core is abutted against the bracket, a mounting seat is fixedly connected with the inner wall of one side of the cylinder far away from the iron core, the mounting seat is fixedly connected with the iron core, a heat dissipation opening is formed in the front wall of the cylinder, a dust screen and a heat dissipation fin are arranged in the heat dissipation opening, the heat dissipation fin is positioned on the front side of the dust screen, and a heat conduction silicone grease layer is coated on the outer wall of the heat dissipation fin. According to the technical scheme, the heat emitted by the iron core can be absorbed through the radiating fins, the absorbed heat is emitted to the surrounding air through the radiating openings, and the heat-conducting silicone grease layer can further improve the heat absorption effect of the radiating fins and is good in heat dissipation effect.

Description

Low-noise mining explosion-proof dry-type transformer

Technical Field

The utility model relates to the technical field of mining flame-proof dry transformers, in particular to a low-noise mining flame-proof dry transformer.

Background

The mining flameproof dry-type transformer is used for places with explosion risks in mines. The transformer is made into dry type, and the main structural characteristics are that all the joint surfaces of the case shell are made according to the explosion-proof requirement, and can bear the internal pressure of 0.8 megapascals.

In the published patent document with the publication number of CN203013462U, a low-noise mining flame-proof type thousand-type transformer is disclosed, and the flame-proof type thousand-type transformer comprises a circular profile and an iron core arranged in the circular profile, wherein an installation seat is fixedly arranged at the end part of the iron core, the installation seat is fixedly connected to the inner wall of the circular profile, a bracket is arranged at the bottom of the iron core, and the bracket is connected with the installation seat. According to the low-noise mining explosion-proof thousand-type transformer, a traditional iron core perforation structure is not adopted, the iron core clamping force is increased, the iron core is towed by the bracket, the position of the iron core lamination is not changed, the noise is reduced, the change of no-load current and no-load loss is stabilized, and the running reliability of a product is improved.

When the explosion-proof dry-type transformer is in actual use, the round profile is airtight, so that the heat dissipation effect of the internal iron core is poor, the internal iron core works in a high-temperature state for a long time, and the service life of the internal iron core is easy to influence, and therefore, the explosion-proof dry-type transformer for the low-noise mine is required.

Disclosure of Invention

The utility model aims to provide a low-noise mining explosion-proof dry-type transformer, which solves the problems in the background technology.

The embodiment of the utility model provides a low-noise mining explosion-proof dry-type transformer, which comprises a cylinder, wherein an iron core and a bracket are fixedly arranged on the inner wall of one side of the cylinder, the bracket is positioned below the iron core, the iron core is abutted against the bracket, a mounting seat is fixedly connected with the inner wall of one side of the cylinder, which is far away from the iron core, the mounting seat is fixedly connected with the iron core, a heat dissipation opening is formed in the front wall of the cylinder, a dust screen and a heat dissipation sheet are arranged in the heat dissipation opening, the heat dissipation sheet is positioned on the front side of the dust screen, and a heat conduction silicone grease layer is coated on the outer wall of the heat dissipation sheet.

Through adopting above-mentioned technical scheme, can absorb the heat that the iron core sent out through the fin to in giving off the surrounding air with the heat absorbed through the thermovent, heat conduction silicone grease layer can further improve the fin heat absorption effect, the radiating effect is good.

Optionally, a front wall of the cylinder is fixedly connected with a flashing, and the flashing is located above the heat dissipation opening.

Through adopting above-mentioned technical scheme, the rainwater can be avoided to the flashing entering drum's inside through the thermovent.

Optionally, an insulating spacer is arranged between the iron core and the bracket.

By adopting the technical scheme, the insulating effect is achieved.

Optionally, both sides of mount pad are all fixedly connected with fixed block, wear to be equipped with the screw on the fixed block, screw and drum threaded connection.

Through adopting above-mentioned technical scheme, under the effect of fixed block and screw, can improve the fastness of mount pad installation.

Optionally, a reinforcing frame is fixedly connected between the cylinder and the bracket, and two reinforcing frames are arranged symmetrically.

Through adopting above-mentioned technical scheme, the reinforcement frame can improve bracket and drum connection's fastness.

Optionally, the heat dissipation port is rectangular.

By adopting the technical scheme, the heat dissipation effect is further improved.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

according to the technical scheme, the heat emitted by the iron core can be absorbed through the radiating fins, the absorbed heat is emitted to the surrounding air through the radiating openings, and the heat-conducting silicone grease layer can further improve the heat absorption effect of the radiating fins and is good in heat dissipation effect.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of the internal structure of a low noise mining flameproof dry transformer of the present utility model;

fig. 2 is a schematic diagram of the overall structure of the low-noise mining explosion-proof dry-type transformer of the present utility model;

fig. 3 is an enlarged schematic diagram of an area a structure of the low-noise mining explosion-proof dry-type transformer.

In the figure: 1. a cylinder; 2. an iron core; 3. an insulating spacer; 4. a reinforcing frame; 5. a bracket; 6. a screw; 7. a mounting base; 8. a fixed block; 9. a flashing; 10. a heat radiation port; 11. a dust screen; 12. a heat sink; 13. and a heat-conducting silicone grease layer.

Detailed Description

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a mining flame proof type dry-type transformer of low noise, including drum 1, drum 1's one side inner wall fixed mounting has iron core 2 and bracket 5, bracket 5 is located the below of iron core 2, iron core 2 and bracket 5 looks butt, drum 1 keeps away from iron core 2's one side inner wall fixedly connected with mount pad 7, mount pad 7 and iron core 2 fixed connection, cooling hole 10 has been seted up to drum 1's front wall, cooling hole 10's internally mounted has dust screen 11 and fin 12, fin 12 is located dust screen 11's front side, fin 12's outer wall coating has heat conduction silicone grease layer 13.

In some technical solutions, as shown in fig. 2, a front wall of the cylinder 1 is fixedly connected with a flashing 9, and the flashing 9 is located above the heat dissipation opening 10; the flashing 9 prevents rainwater from entering the interior of the cylinder 1 through the heat sink 10.

In some technical solutions, as shown in fig. 1, an insulating spacer 3 is disposed between the iron core 2 and the bracket 5; playing an insulating role.

In some technical schemes, as shown in fig. 1, two sides of a mounting seat 7 are fixedly connected with a fixed block 8, a screw 6 is arranged on the fixed block 8 in a penetrating way, and the screw 6 is in threaded connection with a cylinder 1; under the action of the fixing block 8 and the screw 6, the firmness of the installation seat 7 can be improved.

In some technical schemes, as shown in fig. 1, a reinforcing frame 4 is fixedly connected between a cylinder 1 and a bracket 5, two reinforcing frames 4 are arranged, and the two reinforcing frames 4 are symmetrically arranged; the reinforcing frame 4 can enhance the connection firmness of the bracket 5 and the cylinder 1.

In some embodiments, as shown in fig. 2, the heat dissipation port 10 is rectangular; and the heat dissipation effect is improved.

When the heat dissipation device is used, the bracket 5 plays a role in supporting the iron core 2, the iron core is prevented from being deformed heavily in the operation process, the heat dissipation fins 12 can absorb the heat emitted by the iron core 2, the absorbed heat is emitted to the surrounding air through the heat dissipation openings 10, and the heat absorption effect of the heat dissipation fins 12 can be further improved by the heat conduction silicone grease layer 13, so that the heat dissipation effect is good.

Claims

1. The mining flameproof dry-type transformer of low noise, its characterized in that: including drum (1), one side inner wall fixed mounting of drum (1) has iron core (2) and bracket (5), bracket (5) are located the below of iron core (2), iron core (2) and bracket (5) looks butt, one side inner wall fixedly connected with mount pad (7) of iron core (2) are kept away from to drum (1), mount pad (7) and iron core (2) fixed connection, thermovent (10) have been seted up to the front wall of drum (1), internally mounted of thermovent (10) has dust screen (11) and fin (12), fin (12) are located the front side of dust screen (11), the outer wall coating of fin (12) has heat conduction silicone grease layer (13).

2. The low-noise mining explosion-proof dry transformer according to claim 1, characterized in that the front wall of the cylinder (1) is fixedly connected with a flashing (9), and the flashing (9) is located above the heat radiation port (10).

3. The low-noise mining explosion-proof dry transformer according to claim 1, characterized in that an insulating gasket (3) is arranged between the iron core (2) and the bracket (5).

4. The low-noise mining explosion-proof dry-type transformer according to claim 1, wherein both sides of the mounting seat (7) are fixedly connected with a fixed block (8), a screw (6) is arranged on the fixed block (8) in a penetrating way, and the screw (6) is in threaded connection with the cylinder (1).

5. The low-noise mining explosion-proof dry-type transformer according to claim 1, wherein a reinforcing frame (4) is fixedly connected between the cylinder (1) and the bracket (5), two reinforcing frames (4) are arranged in total, and the two reinforcing frames (4) are symmetrically arranged.

6. The low-noise mining flameproof dry transformer according to claim 1, characterized in that the heat dissipation port (10) is rectangular.