Explosion-proof oil-immersed transformer

Abstract

The utility model discloses an anti-explosion oil-immersed transformer which comprises a box body, cooling fins are arranged on the outer wall of the box body, shielding anti-explosion structures are arranged at the front end and the rear end of the box body respectively, a fixed base is arranged on the outer surface of the lower end of the box body, and an auxiliary stabilizing structure is arranged on the outer wall of the fixed base. A top cover is arranged on the outer surface of the upper end of the box body, a wiring terminal is arranged on the outer surface of the upper end of the top cover, and an oil level gauge is arranged on one side of the upper end of the top cover. According to the anti-explosion oil-immersed transformer, by arranging the shielding anti-explosion structure and the auxiliary stabilizing structure, shielding protection can be conducted on the periphery of the transformer, damage to surrounding operators caused by explosion of a transformer shell is avoided, the use safety of the transformer is improved, the gravity center of the transformer can be lowered, and therefore the stability of the bottom is improved; and influence on operation of the transformer due to displacement in the operation process of the transformer is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer field especially relates to a kind of explosion-proof oil-immersed transformer. BACKGROUND

[0002] Explosion-proof oil-immersed transformer is a kind of transformer relying on oil as cooling medium, and is widely used in power system.

[0003] The existing explosion-proof oil-immersed transformer has certain drawbacks when using, first, cannot be shielded around transformer, such as the shell of the burst transformer is easy to cause damage to the surrounding operator, second, the stability of transformer bottom is poor, easy to affect the operation of transformer.

[0004] Therefore, it is necessary to provide an explosion-proof oil-immersed transformer to solve the above problems. UTILITY MODEL CONTENT

[0005] The main purpose of the utility model is to provide an explosion-proof oil-immersed transformer, which can effectively solve the problems in the background art.

[0006] To achieve the above object, the technical scheme adopted by the utility model is:

[0007] An explosion-proof oil-immersed transformer, comprising a box body, the outer wall of the box body is provided with a cooling fin, the front and rear ends of the box body are provided with a shielding explosion-proof structure, the lower end of the outer surface of the box body is provided with a fixed base, the outer wall of the fixed base is provided with an auxiliary stabilizing structure, the upper end of the outer surface of the box body is provided with a top cover, the upper end of the outer surface of the top cover is provided with a terminal, the upper end of one side of the top cover is provided with an oil level gauge, the shielding explosion-proof structure comprises a shielding explosion-proof plate, a heat dissipation slot, a connecting frame, a mounting gasket, a mounting frame and a filter screen, the auxiliary stabilizing structure comprises a counterweight frame, a shock pad, a ground fixing frame, a connecting clamp, a connecting screw, a counterweight piece and a fixed bolt, the rear end of the outer surface of the mounting frame is provided with a mounting gasket, the front end of the outer surface of the mounting frame is provided with a connecting frame, the front end of the outer surface of the connecting frame is provided with a shielding explosion-proof plate, the outer wall of the shielding explosion-proof plate is provided with a heat dissipation slot, the inner wall of the heat dissipation slot is provided with a filter screen, the upper end of the outer surface of the counterweight frame is provided with a counterweight piece, the upper end of the two sides of the counterweight piece is provided with a connecting screw, the outer surface of the two sides of the counterweight frame is provided with a connecting clamp, the outer surface of one side of the connecting clamp is provided with a ground fixing frame, the outer wall of the ground fixing frame is provided with a fixed bolt, and the lower end of the outer surface of the ground fixing frame is provided with a shock pad.

[0008] Preferably, the rear end outer surface of the mounting frame is fixedly connected with the front end outer surface of the mounting pad, the front end outer surface of the mounting frame is fixedly connected with the rear end outer surface of the connecting frame, the front end outer surface of the connecting frame is fixedly connected with the rear end outer surface of the shielding explosion-proof plate, and the inner wall of the heat dissipation slot is fixedly connected with the outer wall of the filter screen, so that the structural stability of the shielding explosion-proof structure is facilitated.

[0009] Preferably, the upper end outer surface of the counterweight frame is detachably connected with the lower end outer surface of the counterweight piece, one end of the connecting screw is detachably connected with the outer wall of the counterweight piece and the inner wall of the counterweight frame, the two side outer surfaces of the counterweight frame are fixedly connected with one side outer surface of the connecting clamping piece, the other side outer surface of the connecting clamping piece is fixedly connected with one side outer surface of the ground fixing frame, the outer wall of the ground fixing frame is detachably connected with the outer wall of the fixing bolt, and the lower end outer surface of the ground fixing frame is fixedly connected with the upper end outer surface of the shock-absorbing pad, so that the structural stability of the auxiliary stabilizing structure is facilitated.

[0010] Preferably, the rear end outer surface of the mounting frame is detachably connected with the front and rear ends of the box through the mounting pad, and the number of the shielding explosion-proof structures is two, so that the connection stability of the shielding explosion-proof structure is facilitated.

[0011] Preferably, the inner wall of the connecting clamping piece is detachably connected with the outer wall of the fixing base, and the number of the auxiliary stabilizing structures is two, so that the connection stability of the auxiliary stabilizing structure is facilitated.

[0012] Preferably, the outer wall of the box is fixedly connected with one end outer surface of the heat dissipation fin, the lower end outer surface of the box is fixedly connected with the upper end middle part of the fixing base, the upper end outer surface of the box is fixedly connected with the lower end outer surface of the top cover, the upper end outer surface of the top cover is fixedly connected with the lower end outer surface of the wiring terminal, and the upper end one side of the top cover is fixedly connected with the lower end outer surface of the oil level meter, so that the overall structural stability of the oil-immersed transformer is facilitated.

[0013] Compared with the prior art, the explosion-proof oil-immersed transformer has the following beneficial effects:

[0014] 1. The explosion-proof oil-immersed transformer is provided with the shielding explosion-proof structure, the shielding explosion-proof plate and the connecting frame can be installed to the front and rear ends of the box through the mounting pad and the mounting frame before the oil-immersed transformer is used, the shielding explosion-proof plate can shield and protect the surroundings of the transformer, damage to the surrounding operators caused by explosion of the transformer shell is avoided, and the use safety of the transformer is improved.

[0015] 2. The explosion-proof oil-immersed transformer, through the auxiliary stabilizing structure, when the oil-immersed transformer is installed, the counterweight frame is installed on the fixed base through the connecting clamp, the counterweight plate is installed on the counterweight frame through the connecting screw, and finally the ground fixing frame is fixed to the installation area through the fixing bolt, so that the counterweight plate and the counterweight frame can reduce the gravity center of the transformer, thereby improving the stability of the bottom and avoiding displacement of the transformer during operation to affect the operation of the transformer. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Figure 2 It is a local structure schematic view of the utility model.

[0018] Figure 3 It is the utility model Figure 1 The enlarged view of the explosion-proof structure 1 in the utility model.

[0019] Figure 4 It is the utility model Figure 1 The enlarged view of the auxiliary stabilizing structure 3 in the utility model.

[0020] In the drawing: 1, explosion-proof structure; 2, fixed base; 3, auxiliary stabilizing structure; 4, cooling fin; 5, wiring terminal; 6, top cover; 7, box; 8, oil level gauge; 11, explosion-proof board; 12, heat dissipation slot; 13, connecting frame; 14, mounting gasket; 15, mounting frame; 16, filter screen; 31, counterweight frame; 32, shock pad; 33, ground fixing frame; 34, connecting clamp; 35, connecting screw; 36, counterweight plate; 37, fixing bolt. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0022] For example Figures 1-4As shown, an explosion-proof oil-immersed transformer, including box 7, the outer wall of box 7 is provided with fin 4, the front and rear ends of box 7 are provided with shielding explosion-proof structure 1, the lower end of the outer surface of box 7 is provided with fixed base 2, the outer wall of fixed base 2 is provided with auxiliary stabilizing structure 3, the upper end of the outer surface of box 7 is provided with top cover 6, the upper end of the outer surface of top cover 6 is provided with terminal 5, the upper end of one side of top cover 6 is provided with oil level gauge 8, shielding explosion-proof structure 1 includes shielding explosion-proof plate 11, heat dissipation slot 12, connecting frame 13, mounting pad 14, mounting frame 15 and filter screen 16, auxiliary stabilizing structure 3 includes counterweight frame 31, shock pad 32, ground fixing frame 33, connecting clamp 34, connecting screw 35, counterweight piece 36 and fixing bolt 37, the rear end of the outer surface of mounting frame 15 is provided with mounting pad 14, the front end of the outer surface of mounting frame 15 is provided with connecting frame 13, the front end of the outer surface of connecting frame 13 is provided with shielding explosion-proof plate 11, the outer wall of shielding explosion-proof plate 11 is provided with heat dissipation slot 12, the inner wall of heat dissipation slot 12 is provided with filter screen 16, the upper end of the outer surface of counterweight frame 31 is provided with counterweight piece 36, the upper end of both sides of counterweight piece 36 is provided with connecting screw 35, both sides of the outer surface of counterweight frame 31 is provided with connecting clamp 34, one side of the outer surface of connecting clamp 34 is provided with ground fixing frame 33, the outer wall of ground fixing frame 33 is provided with fixing bolt 37, the lower end of the outer surface of ground fixing frame 33 is provided with shock pad 32, the rear end of the outer surface of mounting frame 15 and the front end of the outer surface of mounting pad 14 are fixedly connected, the front end of the outer surface of mounting frame 15 and the rear end of the outer surface of connecting frame 13 are fixedly connected, the front end of the outer surface of connecting frame 13 and the rear end of the outer surface of shielding explosion-proof plate 11 are fixedly connected, the inner wall of heat dissipation slot 12 and the outer wall of filter screen 16 are fixedly connected, which is conducive to the structural stability of shielding explosion-proof structure 1, the upper end of the outer surface of counterweight frame 31 and the lower end of the outer surface of counterweight piece 36 are detachably connected, one end of the outer surface of connecting screw 35 penetrates the outer wall of counterweight piece 36 and the inner wall of counterweight frame 31 and is detachably connected, both sides of the outer surface of counterweight frame 31 and one side of the outer surface of connecting clamp 34 are fixedly connected, the other side of the outer surface of connecting clamp 34 and one side of the outer surface of ground fixing frame 33 are fixedly connected, the outer wall of ground fixing frame 33 and the outer wall of fixing bolt 37 are detachably connected, the lower end of the outer surface of ground fixing frame 33 and the upper end of the outer surface of shock pad 32 are fixedly connected, which is conducive to the structural stability of auxiliary stabilizing structure 3, the rear end of the outer surface of mounting frame 15 is detachably connected with the front and rear ends of box 7 through mounting pad 14, the number of shielding explosion-proof structure 1 is two, which is conducive to the stable connection of shielding explosion-proof structure 1, the inner wall of connecting clamp 34 and the outer wall of fixed base 2 are detachably connected, the number of auxiliary stabilizing structure 3 is two, which is conducive to the stable connection of auxiliary stabilizing structure 3, the outer wall of box 7 and one end of the outer surface of fin 4 are fixedly connected, the lower end of the outer surface of box 7 and the upper end of the middle part of fixed base 2 are fixedly connected, the upper end of the outer surface of box 7 and the lower end of the outer surface of top cover 6 are fixedly connected,The upper end outer surface of the top cover 6 is fixedly connected with the lower end outer surface of the terminal 5, and the upper end one side of the top cover 6 is fixedly connected with the lower end outer surface of the oil level gauge 8, thereby being beneficial to the stability of the overall structure of the oil-immersed transformer.

[0023] Working principle

[0024] The utility model discloses an explosion -proof oil -immersed transformer, when using, the installation personnel installs the transformer to the fixed area through fixed base 2 and auxiliary stability structure 3, then connects the oil -immersed transformer with power system through terminal 5, can complete the installation of whole explosion -proof oil -immersed transformer, the shielding explosion -proof structure 1 that it sets, can install shielding explosion -proof board 11 and connecting frame 13 to the both ends before and after box 7 through mounting gasket 14 and mounting bracket 15 before the oil -immersed transformer use, shielding explosion -proof board 11 can shield protection to the transformer around, avoid the damage that transformer shell burst causes to the surrounding operator, improve the use security of transformer, the auxiliary stability structure 3 that it sets, can install counterweight frame 31 to fixed base 2 through connecting clamp piece 34 when the oil -immersed transformer installs, then installs counterweight piece 36 to counterweight frame 31 through connecting screw 35, finally, ground fixing frame 33 is fixed to the installation area through fixed bolt 37, and counterweight piece 36 and counterweight frame 31 can reduce the gravity center of transformer, thereby improve the stability of bottom, avoid the displacement of transformer during operation to influence the operation of transformer.

[0025] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An explosion-proof oil-immersed transformer comprising a tank (7), characterized in that: The outer wall of the box (7) is provided with a fin (4), the front and rear ends of the box (7) are provided with a shielding explosion-proof structure (1), the outer surface of the lower end of the box (7) is provided with a fixed base (2), the outer wall of the fixed base (2) is provided with an auxiliary stabilizing structure (3), the upper end of the outer surface of the box (7) is provided with a top cover (6), the upper end of the outer surface of the top cover (6) is provided with a terminal (5), one side of the upper end of the top cover (6) is provided with an oil level gauge (8), the shielding explosion-proof structure (1) includes a shielding explosion-proof plate (11), a heat dissipation slot (12), a connecting frame (13), a mounting pad (14), a mounting frame (15) and a filter screen (16), the auxiliary stabilizing structure (3) includes a counterweight frame (31), a shock pad (32), a ground fixing frame (33), a connecting clamp (34), a connecting screw (35), a counterweight piece (36) and a fixed bolt (37), the rear end of the outer surface of the mounting frame (15) is provided with a mounting pad (14), the front end of the outer surface of the mounting frame (15) is provided with a connecting frame (13), the front end of the outer surface of the connecting frame (13) is provided with a shielding explosion-proof plate (11), the outer wall of the shielding explosion-proof plate (11) is provided with a heat dissipation slot (12), the inner wall of the heat dissipation slot (12) is provided with a filter screen (16), the upper end of the outer surface of the counterweight frame (31) is provided with a counterweight piece (36), the upper end of the outer surface of the counterweight piece (36) is provided with a connecting screw (35), the outer surfaces of the two sides of the counterweight frame (31) are provided with a connecting clamp (34), one side of the outer surface of the connecting clamp (34) is provided with a ground fixing frame (33), the outer wall of the ground fixing frame (33) is provided with a fixed bolt (37), and the lower end of the outer surface of the ground fixing frame (33) is provided with a shock pad (32).

2. An explosion-proof oil-immersed transformer according to claim 1, characterized in that: The rear end of the outer surface of the mounting frame (15) and the front end of the outer surface of the mounting pad (14) are fixedly connected, the front end of the outer surface of the mounting frame (15) and the rear end of the outer surface of the connecting frame (13) are fixedly connected, the front end of the outer surface of the connecting frame (13) and the rear end of the outer surface of the shielding explosion-proof plate (11) are fixedly connected, and the inner wall of the heat dissipation slot (12) and the outer wall of the filter screen (16) are fixedly connected.

3. The flame-proof oil immersed transformer as claimed in claim 1, wherein: The upper end of the outer surface of the counterweight frame (31) and the lower end of the outer surface of the counterweight piece (36) are detachably connected, one end of the outer surface of the connecting screw (35) penetrates the outer wall of the counterweight piece (36) and is detachably connected with the inner wall of the counterweight frame (31), the outer surfaces of the two sides of the counterweight frame (31) are fixedly connected with one side of the outer surface of the connecting clamp (34), the other side of the outer surface of the connecting clamp (34) is fixedly connected with one side of the outer surface of the ground fixing frame (33), the outer wall of the ground fixing frame (33) is detachably connected with the outer wall of the fixed bolt (37), and the lower end of the outer surface of the ground fixing frame (33) is fixedly connected with the upper end of the outer surface of the shock pad (32).

4. The flame-proof oil immersed transformer as claimed in claim 1, wherein: The rear end outer surface of the mounting frame (15) is detachably connected with the front and rear ends of the box (7) through mounting pads (14), and the number of the shielding and explosion-proof structures (1) is two groups.

5. The flame-proof oil immersed transformer as claimed in claim 1, wherein: The inner wall of the connecting clamping piece (34) is detachably connected with the outer wall of the fixed base (2), and the number of the auxiliary stabilizing structures (3) is two groups.

6. An explosion-proof oil-immersed transformer according to claim 1, characterized in that: The outer wall of the box (7) is fixedly connected with the outer surface of one end of the radiating fin (4), the lower end outer surface of the box (7) is fixedly connected with the upper end middle part of the fixed base (2), the upper end outer surface of the box (7) is fixedly connected with the lower end outer surface of the top cover (6), the upper end outer surface of the top cover (6) is fixedly connected with the lower end outer surface of the oil level gauge (8), and the upper end one side of the top cover (6) is fixedly connected with the lower end outer surface of the oil level gauge (8).

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