Transformer convenient for installing oil conservator

Abstract

A transformer facilitating installation of an oil conservator comprises a transformer body, a top plate is arranged at the upper end of the transformer body, and a limiting plate is installed on the edge of the upper end face of the top plate; a plurality of mounting frames are mounted on one side of the top plate, are clamped with the limiting plate, can slide in the length direction of the limiting plate, and can be fixed to the top plate at a plurality of positions in the sliding direction of the limiting plate; the sides, away from the transformer body, of the multiple installation frames are connected with supports, the supports are obliquely arranged, and the ends, away from the installation frames, of the supports are higher than the ends connected with the installation frames. An oil conservator is jointly mounted at the ends, away from the mounting frame, of the supports. According to the oil conservator, manpower or equipment is needed to assist in stabilizing the oil conservator, convenience and rapidness are achieved, the installation time is saved, the oil conservator can slide along the limiting plate along with the installation frame, fine adjustment can be conducted according to the actual installation position, and the installation process is simplified.

Description

Technical Field

[0001] This utility model relates to the field of transformer technology, specifically to a transformer that facilitates the installation of an oil conservator. Background Technology

[0002] Oil-immersed transformers are a common type of power transformer. Their core and windings are immersed in insulating oil, primarily used for voltage transformation and power transmission in power systems. They mainly consist of the core, windings, oil tank, cooling system, and oil conservator. The core, windings, and insulating oil are housed within the oil tank. The oil conservator is a crucial component of the oil-immersed transformer, primarily used to regulate the volume changes of the insulating oil, ensuring normal transformer operation. During operation, oil temperature changes cause volume expansion or contraction; the oil conservator provides additional space to prevent excessively high or low pressure within the tank. The oil conservator is vital for the safe operation of the transformer, effectively regulating oil volume changes, preventing abnormal pressure, extending the life of the insulating oil, and reducing the risk of failure. The oil conservator is typically installed on top of the transformer body using welding or bolts. The conservator is mounted on a support frame, which is then fixed to the transformer body. Fixing requires multiple people or a crane to stabilize the support frame on top of the transformer body before securing it. This process is cumbersome, resource-intensive, and requires precise positioning, making fine-tuning of the installation position inconvenient during installation. Utility Model Content

[0003] To address the technical problems existing in the background art, this utility model provides a transformer that facilitates the installation of an oil conservator.

[0004] The technical solution of this utility model is as follows:

[0005] A transformer that facilitates the installation of an oil conservator includes a transformer body, wherein a top plate is provided at the upper end of the transformer body, and a limit plate is installed on the upper edge of the top surface of the top plate;

[0006] Multiple mounting brackets are installed on one side of the top plate. The mounting brackets are interlocked with the limiting plate and can slide along the length of the limiting plate. They can also be fixed to the top plate at multiple positions in the sliding direction.

[0007] Multiple mounting brackets are connected to supports on the side away from the transformer body. The supports are inclined, and the end away from the mounting bracket is higher than the end connected to the mounting bracket.

[0008] An oil tank is installed on one end of multiple brackets away from the mounting frame.

[0009] The oil conservator is specifically connected to the transformer body by means that the lower end of the oil conservator is connected to the inside of the transformer body through a connecting pipe, and the upper end is connected to a breather through an air pipe.

[0010] In order to detect internal faults in the transformer and trigger alarm or trip signals to prevent the fault from escalating further, the connecting pipe is connected to a gas relay.

[0011] The mounting bracket is specifically designed as follows: the mounting bracket includes a limiting bracket, the bottom of which is provided with an opening that is slidably connected to a limiting plate, one end of which abuts against the top plate, and the other end extends downward along the height direction of the transformer body for mounting the bracket.

[0012] To facilitate fixing the mounting bracket to the top plate, a bottom plate is connected to the side of the limiting bracket that abuts against the top plate, and an insertion hole is provided on the bottom plate;

[0013] The top plate has multiple threaded holes in the sliding direction corresponding to the bottom plate, and the bottom plate and the top plate are fixed by bolts passing through the insertion holes and threaded holes.

[0014] To ensure the strength of the support for the oil tank while saving materials, two mounting brackets are provided.

[0015] To improve the support strength of the limiting frame for the oil conservator, the longer end of the limiting frame extends to a length not less than 1 / 3 of the total height of the transformer body and the top plate.

[0016] To improve the stability of the limiting frame, a groove is provided between the transformer body and the top plate, and a limiting block adapted to the groove is provided on the side of the limiting frame near the transformer body.

[0017] In order to fix multiple limit frames and improve the stability between the limit frames, the limit block that connects multiple limit frames is provided with a threaded rod, and fastening nuts that are compatible with the threaded rod are installed on both sides of the limit block.

[0018] In order to support the gas relay, a support base is installed on the limiting plate, and a lifting screw is threadedly connected to the upper end of the support base. A support plate for supporting the gas relay is installed on the upper end of the lifting screw.

[0019] The beneficial effects of this utility model are as follows: This utility model is a transformer that facilitates the installation of an oil conservator. Unlike existing technologies, the oil conservator is connected to a mounting frame via a bracket. The mounting frame can engage with a limiting plate installed on the top plate of the transformer and can also slide, allowing the mounting frame to be pre-positioned on the limiting plate during installation. This reduces the need for manpower or equipment to stabilize the oil conservator, making the installation quick and convenient, saving installation time. Furthermore, the oil conservator can slide along the limiting plate with the mounting frame, allowing for fine-tuning according to the actual installation position, simplifying the installation process. The mounting frame can be fixed at multiple positions along the length of the limiting plate groove, allowing for adjustable distances between mounting frames to accommodate oil conservators of different models and sizes. The lifting screw and support plate provide support for the gas relay, ensuring the installation strength of the connecting pipe and the gas relay. Attached Figure Description

[0020] The advantages and solutions of this application will become clear to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this invention.

[0021] In the attached diagram:

[0022] Figure 1 This is the front view of the solution;

[0023] Figure 2 This is a schematic diagram showing the installation of the mounting bracket and the top plate.

[0024] Figure 3 This is a partial side view of the design.

[0025] Figure 4 This is a top view of the plan;

[0026] The components represented by the various reference numerals in the diagram are:

[0027] 1. Transformer body; 2. Top plate; 3. Limiting plate; 4. Mounting bracket; 41. Limiting bracket; 42. Base plate; 43. Insertion hole; 5. Bracket; 6. Oil conservator; 7. Connecting pipe; 8. Breather; 9. Gas relay; 10. Threaded hole; 11. Bolt; 12. Groove; 13. Limiting block; 14. Threaded rod; 15. Fastening nut; 16. Support base; 17. Lifting screw; 18. Support plate. Detailed Implementation

[0028] Exemplary embodiments of this disclosure will now be described in more detail with reference to the accompanying drawings.

[0029] Example

[0030] As mentioned in the background section, existing oil-immersed transformers are equipped with oil conservators 6. However, the existing oil conservators 6 have many defects in installation. The inventors found that fixing the oil conservator 6 requires a lot of manpower and hoisting equipment to stabilize the oil conservator 6 on the top of the transformer. In addition, it is quite difficult to fine-tune the position of the oil conservator 6 during installation. Therefore, the inventors improved the existing installation method and designed a new installation method for the oil conservator 6. The following is a detailed explanation with reference to the illustrations.

[0031] This embodiment provides a transformer that facilitates the installation of an oil conservator; see [link to relevant documentation]. Figure 1 The transformer body 1 is included. This solution does not involve any improvement to the internal structure of the transformer body 1, so the existing oil-immersed transformer can be used, and no further details are needed. The transformer body 1 is provided with a top plate 2, and a limiting plate 3 is installed on the upper edge of the top surface of the top plate 2. The limiting plate 3 is installed around the top plate 2. In addition, multiple mounting brackets 4 are installed on one side of the top plate 2. In this solution, there are two mounting brackets 4. The multiple mounting brackets 4 are interlocked with the limiting plate 3. The side of the multiple mounting brackets 4 away from the transformer body 1 is connected to a bracket 5. The bracket 5 is inclined to ensure that the installation height and angle of the oil conservator 6 meet the actual requirements, which improves the adaptability of the equipment. The end of the bracket 5 away from the mounting bracket 4 is higher than the end connected to the mounting bracket 4. The oil conservator 6 is installed on the side of the multiple brackets 5 away from the mounting bracket 4. Moreover, the oil conservator 6 and the bracket 5 can be movably connected by bolts 11 or other means, which facilitates installation and disassembly.

[0032] In this embodiment, combined with Figure 2 The mounting bracket 4 can slide along the length of the limiting plate 3 and can be fixed to the top plate 2 at multiple positions along its sliding direction, ensuring that the support 5 can be moved. On the one hand, the distance between the supports 5 can be adjusted to accommodate oil tanks 6 of different sizes. On the other hand, the oil tank 6 can be moved for fine-tuning during the installation process. Specifically, the mounting bracket 4 includes a limiting bracket 41 and a base plate 42. The bottom of the limiting bracket 41 is provided with an opening that slides and connects with the limiting plate 3. One end of the opening abuts against the top plate 2. The opening is U-shaped and is snapped onto the top plate 2, forming a snap-fit ​​with the top plate 2. It can slide along the top plate 2. The other end extends downward along the height direction of the transformer body 1 for mounting the support 5. The side of the end of the limiting bracket 41 that abuts against the top plate 2 is connected to the base plate 42. The base plate 42 has an insertion hole 43. Figure 4 The top plate 2 has multiple threaded holes 10 corresponding to the sliding direction of the bottom plate 42. The bottom plate 42 is fixed to the top plate 2 by bolts 11 passing through the insertion holes 43 and the threaded holes 10. This design allows the mounting bracket 4 to slide along the length of the limiting plate 3 and to be fixed in multiple positions, adapting to oil tanks 6 of different models and sizes, and driving the oil tank 6 to adjust its position.

[0033] It should be noted that the longer end of the limiting frame 41 extends to a length not less than 1 / 3 of the total height of the transformer body 1 and the top plate 2, ensuring that the extended length of the limiting frame 41 can provide good support for the bracket 5, improve the stability of the bracket 5, and thus ensure the stability of the oil conservator 6.

[0034] In addition, a groove 12 is provided between the transformer body 1 and the top plate 2. A limiting block 13 adapted to the groove 12 is provided on the side of the limiting frame 41 near the transformer body 1. The limiting block 13 can slide along the groove 12 with the limiting frame 41, and the groove 12 plays a limiting role for the limiting block 13. A threaded rod 14 is provided through the limiting block 13 that connects multiple limiting frames 41. Fastening nuts 15 adapted to the threaded rod 14 are installed on both sides of the limiting block 13. By adjusting the fastening nuts 15, the position of the limiting frame 41 can be further fixed to ensure the stability of the mounting frame 4. The setting of the threaded rod 14 and the fastening nuts 15 can connect multiple mounting frames 4, improving the connection strength between multiple mounting frames 4.

[0035] In this embodiment, the lower end of the oil conservator 6 is connected to the interior of the transformer body 1 via a connecting pipe 7, and the upper end is connected to a breather 8 via an air pipe. A specific model, BR-10, can be used, selected according to the actual capacity of the oil conservator 6; this is not a limitation of this design. The breather 8 is used to regulate air exchange between the transformer's oil conservator 6 and the external environment, while preventing moisture and impurities in the air from entering the transformer. A gas relay 9, specifically a BGR-10 model, is also connected to the connecting pipe 7, selected according to the actual flow rate; this is not a limitation of this design. It detects internal transformer faults and triggers alarm or trip signals to prevent further escalation of the fault. It is mainly installed on the connecting pipe 7 between the transformer tank and the oil conservator, and is an indispensable safety device in oil-immersed transformers.

[0036] Based on the above structure, combined with Figure 1 and Figure 3 A support base 16 is installed on the limiting plate 3. The support base 16 is located between the two mounting brackets 4. The structure of the support base 16 is similar to that of the mounting bracket 4. It is slidably snapped onto the limiting plate 3. A lifting screw 17 is threadedly connected to the upper end of the support base 16. A support plate 18 for supporting the gas relay 9 is installed on the upper end of the lifting screw 17. By lifting the lifting screw 17, the support plate 18 can be lifted, thereby adapting to the support of gas relays 9 at different heights, ensuring the support of gas relays 9 and improving the stability of its installation.

Claims

1. A transformer for easy installation of an oil conservator, comprising a transformer body (1), characterized in that, The transformer body (1) is provided with a top plate (2) at the upper end, and a limit plate (3) is installed on the edge of the upper surface of the top plate (2); Multiple mounting brackets (4) are installed on one side of the top plate (2). The multiple mounting brackets (4) are interlocked with the limiting plate (3) and can slide along the length direction of the limiting plate (3). They can also be fixed to the top plate (2) at multiple positions in the sliding direction. Multiple mounting brackets (4) are connected to brackets (5) on the side away from the transformer body (1). The brackets (5) are inclined and the end away from the mounting bracket (4) is higher than the end connected to the mounting bracket (4). An oil tank (6) is installed on one end of multiple brackets (5) away from the mounting bracket (4).

2. The transformer with convenient installation of the oil conservator according to claim 1, characterized in that, The lower end of the oil tank (6) is connected to the inside of the transformer body (1) through a connecting pipe (7), and the upper end is connected to a breather (8) through an air pipe.

3. The transformer for convenient installation of the oil conservator according to claim 2, characterized in that, The connecting pipe (7) is connected to a gas relay (9).

4. The transformer for convenient installation of the oil conservator according to claim 1, characterized in that, The mounting bracket (4) includes a limiting bracket (41). The bottom of the limiting bracket (41) is provided with an opening that is slidably connected to the limiting plate (3). One end of the opening abuts against the top plate (2), and the other end extends downward along the height direction of the transformer body (1) for mounting bracket (5).

5. The transformer for convenient installation of the oil conservator according to claim 4, characterized in that, The limiting frame (41) is connected to a bottom plate (42) on one side of the end that abuts against the top plate (2), and the bottom plate (42) is provided with an insertion hole (43); The top plate (2) has multiple threaded holes (10) in the sliding direction corresponding to the bottom plate (42), and the bottom plate (42) and the top plate (2) are fixed by bolts (11) passing through the insertion hole (43) and the threaded holes (10).

6. The transformer for convenient installation of the oil conservator according to claim 1, characterized in that, The mounting bracket (4) has two sections.

7. The transformer for convenient installation of the oil conservator according to claim 4, characterized in that, The longer end of the limiting frame (41) extends to a length not less than 1 / 3 of the total height of the transformer body (1) and the top plate (2).

8. The transformer for convenient installation of the oil conservator according to claim 4, characterized in that, A groove (12) is provided between the transformer body (1) and the top plate (2), and a limiting block (13) adapted to the groove (12) is provided on the side of the limiting frame (41) near the transformer body (1).

9. The transformer for convenient installation of the oil conservator according to claim 8, characterized in that, The limiting block (13) that runs through multiple limiting frames (41) is provided with a threaded rod (14), and fastening nuts (15) that are compatible with the threaded rod (14) are installed on both sides of the limiting block (13).

10. The transformer for convenient installation of the oil conservator according to claim 3, characterized in that, The limiting plate (3) is equipped with a support base (16), and the upper end of the support base (16) is threadedly connected to a lifting screw (17), and the upper end of the lifting screw (17) is equipped with a support plate (18) for supporting the gas relay (9).

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