Wind energy cooling device of oil-immersed transformer

Abstract

The utility model discloses a wind energy cooling device of an oil-immersed transformer, which comprises an oil tank, the bottom of the oil tank is fixedly connected with a base, the front side and two sides of the oil tank are fixedly connected with radiators, the top of the oil tank is fixedly connected with a high-voltage bushing, the top of the oil tank is fixedly connected with a low-voltage bushing, and the low-voltage bushing is fixedly connected with a high-voltage transformer. The top of the oil tank is fixedly connected with an oil level gauge, the top of the oil tank is fixedly connected with a hanging plate, the front face and the two sides of the oil tank are fixedly connected with mounting plates, the tops of the mounting plates are movably connected with a fan shell, the interior of the fan shell is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with fan blades. By means of the structure, when the oil temperature of the transformer is too high, the fan can be used for rapidly cooling the radiator, the working efficiency of the radiator is improved, the service life of the transformer is prolonged to a certain degree, the fan is convenient to disassemble and assemble, and the maintenance difficulty of the fan is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer heat dissipation, in particular to a wind energy cooling device for an oil-immersed transformer. Background Art

[0002] Oil-immersed transformers use oil as the main insulation means of the transformer and rely on oil as a cooling medium, such as oil-immersed self-cooling, oil-immersed air cooling, oil-immersed water cooling and forced oil circulation. Under the specified cooling conditions, the oil-immersed transformer can operate according to the nameplate regulations, but the maximum top oil temperature shall not exceed 90°C. In order to prevent transformer insulation aging, the top oil temperature should generally not exceed 85°C frequently, and the alarm setting is set at 80°C. The oil temperature needs to be maintained at all times during the use of the oil-immersed transformer. The existing technology mostly uses a plate radiator for heat dissipation. When the oil temperature rises rapidly unexpectedly, the oil temperature cannot be quickly lowered, the reliability is insufficient, and the life of the transformer is affected to a certain extent, and the working efficiency of the transformer is reduced. Utility Model Content

[0003] The utility model aims to provide a wind energy cooling device for an oil-immersed transformer, so as to solve the problem that when the transformer oil temperature is too high, the radiator cannot dissipate heat quickly, which reduces the working efficiency of the radiator and shortens the service life of the transformer.

[0004] To achieve the above object, a wind energy cooling device for an oil-immersed transformer is provided, comprising an oil tank, a base is fixedly connected to the bottom of the oil tank, a radiator is fixedly connected to the front and both sides of the oil tank, a high-voltage bushing is fixedly connected to the top of the oil tank, a low-voltage bushing is fixedly connected to the top of the oil tank, an oil level gauge is fixedly connected to the top of the oil tank, and a hanging plate is fixedly connected to the top of the oil tank, so as to facilitate the installation of the transformer;

[0005] The front and both sides of the oil tank are fixedly connected with mounting plates, the top of the mounting plates is movably connected with a fan casing, the interior of the fan casing is fixedly connected with a driving motor, and the output end of the driving motor is fixedly connected with fan blades, thereby enhancing the working efficiency of the radiator.

[0006] According to the wind energy cooling device for an oil-immersed transformer, the number of fan housings on the mounting plate is eight in total, and the eight fan housings are evenly fixed on the mounting plate, which facilitates the installation and removal of the fans.

[0007] According to the wind energy cooling device for an oil-immersed transformer, a positioning bolt is movably connected inside the mounting plate, and a positioning nut is movably connected to the bottom end of the positioning bolt, so as to facilitate the fixing of the fan position.

[0008] According to the wind energy cooling device for an oil-immersed transformer, holes are provided inside the mounting plate and at the bottom of the fan housing, and the positions, numbers, shapes and sizes of the holes match each other, facilitating the fixing of the fan position.

[0009] According to the wind energy cooling device for an oil-immersed transformer, the shapes and sizes of the positioning bolts and the positioning nuts match each other, and the positioning bolts and the positioning nuts are movably connected to facilitate the connection between the fan housing and the mounting plate.

[0010] According to the wind energy cooling device for an oil-immersed transformer, the number of the positioning bolts and positioning nuts is equal to the number of holes on the mounting plate and the fan housing, which facilitates the fixing of the fan position.

[0011] According to the wind energy cooling device for an oil-immersed transformer, a mounting hole is provided on the top of the base to facilitate the fixing and installation of the transformer.

[0012] The above scheme has the beneficial effects: when the transformer oil temperature is too high, the scheme can use a fan to quickly cool the radiator, thereby enhancing the working efficiency of the radiator and enhancing the working life of the transformer to a certain extent. The device is convenient for disassembly and installation of the fan, reducing the difficulty of fan maintenance, and improving the applicability of the wind energy cooling device for oil-immersed transformers to a certain extent.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 It is a three-dimensional diagram of a wind energy cooling device for an oil-immersed transformer according to the utility model;

[0016] Figure 2 It is a top view of a wind energy cooling device for an oil-immersed transformer according to the utility model;

[0017] Figure 3 This is a front view of a wind energy cooling device for an oil-immersed transformer according to the utility model;

[0018] Figure 4 It is a partial stereoscopic diagram of a wind energy cooling device for an oil-immersed transformer according to the utility model.

[0019] Legend:

[0020] 1. Oil tank; 2. Base; 3. Radiator; 4. High-pressure bushing; 5. Low-pressure bushing; 6. Oil level gauge; 7. Hanging plate; 8. Mounting plate; 9. Fan casing; 10. Drive motor; 11. Fan blades; 12. Positioning bolts; 13. Positioning nuts. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a wind energy cooling device for an oil-immersed transformer, which includes an oil tank 1, a base 2 is fixedly connected to the bottom of the oil tank 1, a radiator 3 is fixedly connected to the front and both sides of the oil tank 1, a high-voltage bushing 4 is fixedly connected to the top of the oil tank 1, a low-voltage bushing 5 is fixedly connected to the top of the oil tank 1, an oil level gauge 6 is fixedly connected to the top of the oil tank 1, and a hanging plate 7 is fixedly connected to the top of the oil tank 1, which is convenient for the installation of the transformer.

[0023] The front and both sides of the oil tank 1 are fixedly connected with a mounting plate 8, the top of the mounting plate 8 is movably connected with a fan housing 9, the inside of the fan housing 9 is fixedly connected with a drive motor 10, and the output end of the drive motor 10 is fixedly connected with a fan blade 11, which enhances the working efficiency of the radiator 3. There are eight fan housings 9 on the mounting plate 8, and the eight fan housings 9 are evenly fixed on the mounting plate 8, which is convenient for the installation and removal of the fan. The inside of the mounting plate 8 is movably connected with a positioning bolt 12, and the bottom end of the positioning bolt 12 is movably connected with a positioning nut 13. Holes are provided in the inside of the mounting plate 8 and the bottom of the fan housing 9, and the positions of the holes are such that the number of holes is 10 and 11. The quantity, shape and size match each other, which is convenient for fixing the fan position. The shapes and sizes of the positioning bolts 12 and the positioning nuts 13 match each other, and the positioning bolts 12 and the positioning nuts 13 are movably connected, which is convenient for the connection between the fan housing 9 and the mounting plate 8. The shapes and sizes of the positioning bolts 12 and the positioning nuts 13 match each other, and the positioning bolts 12 and the positioning nuts 13 are movably connected, which is convenient for the connection between the fan housing 9 and the mounting plate 8. The number of positioning bolts 12 and positioning nuts 13 is equal to the number of holes on the mounting plate 8 and the fan housing 9, which is convenient for fixing the fan position. A mounting hole is provided on the top of the base 2 to facilitate the fixation and installation of the transformer.

[0024] Working principle: When the temperature of the transformer oil tank 1 is too high, the oil temperature is transferred to the radiator 3, the fan is turned on, and the output end of the driving motor 10 drives the fan blades 11 to rotate. The fan cools the radiator 3, so that the temperature of the radiator 3 drops, thereby enhancing the working efficiency of the radiator 3, thereby rapidly reducing the oil temperature in the oil tank 1. When the fan fails, disconnect the connection between the positioning bolts 12 and the positioning nuts 13 on the faulty fan housing 9, and remove the fan housing 9. After the fault is eliminated, realign the fan housing 9 with the mounting plate 8, insert the positioning bolts 12, and then connect the positioning nuts 13 to the positioning bolts 12 one by one to complete the installation.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A wind energy cooling device for an oil-immersed transformer, comprising: The oil tank (1) is characterized in that the bottom of the oil tank (1) is fixedly connected to a base (2), the front and both sides of the oil tank (1) are fixedly connected to a radiator (3), the top of the oil tank (1) is fixedly connected to a high-voltage bushing (4), the top of the oil tank (1) is fixedly connected to a low-voltage bushing (5), the top of the oil tank (1) is fixedly connected to an oil level gauge (6), and the top of the oil tank (1) is fixedly connected to a hanging plate (7); The front and both sides of the oil tank (1) are fixedly connected with a mounting plate (8), the top of the mounting plate (8) is movably connected with a fan casing (9), the interior of the fan casing (9) is fixedly connected with a drive motor (10), and the output end of the drive motor (10) is fixedly connected with a fan blade (11).

2. The wind energy cooling device for an oil-immersed transformer according to claim 1, characterized in that: The number of fan housings (9) on the mounting plate (8) is eight in total, and the eight fan housings (9) are evenly fixed on the mounting plate (8).

3. The wind energy cooling device for an oil-immersed transformer according to claim 1, characterized in that: A positioning bolt (12) is movably connected inside the mounting plate (8), and a positioning nut (13) is movably connected to the bottom end of the positioning bolt (12).

4. The wind energy cooling device for an oil-immersed transformer according to claim 1, characterized in that: The interior of the mounting plate (8) and the bottom of the fan housing (9) are both provided with holes, and the positions, numbers, shapes and sizes of the holes are matched with each other.

5. The wind energy cooling device for an oil-immersed transformer according to claim 3, characterized in that: The shapes and sizes of the positioning bolt (12) and the positioning nut (13) match each other, and the positioning bolt (12) and the positioning nut (13) are movably connected.

6. The wind energy cooling device for an oil-immersed transformer according to claim 3, characterized in that: The number of the positioning bolts (12) and the positioning nuts (13) is equal to the number of holes on the mounting plate (8) and the fan housing (9).

7. The wind energy cooling device for an oil-immersed transformer according to claim 1, characterized in that: A mounting hole is provided on the top of the base (2).

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