Transformer oil conservator for high-speed train

Abstract

The utility model discloses a high-speed train transformer oil conservator which comprises an oil conservator body, a breathing hole is formed in the oil conservator body, a capsule is arranged in the oil conservator body, and the capsule is communicated with the atmosphere through the breathing hole. A floating plate is arranged on the lower side of the capsule, a plurality of baffle assemblies are arranged between the floating plate and the bottom face of the inner wall of the oil conservator body, each baffle assembly comprises an upper baffle and a lower baffle, the upper baffles are fixed to the lower side of the floating plate, the lower baffles are fixed to the bottom face of the inner wall of the oil conservator body, flow channels are formed in the lower ends of the lower baffles, and the upper baffles and the lower baffles are arranged in a staggered mode. The upper baffle and the lower baffle at least partially coincide, and the height of the upper baffle is smaller than that of the lower baffle. The lower baffle is additionally arranged at the bottom of the oil conservator body, the floating plate is arranged between the capsule and the lower baffle, and the upper baffle is fixed to the lower side of the floating plate, so that the upper baffle can ascend and descend according to the oil level in the oil conservator, fluctuation and impact of insulating oil in the oil conservator are reduced, and the service life of the oil conservator is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to an oil storage cabinet for a transformer of a high-speed train. Background Art

[0002] The oil conservator, commonly known as the oil pillow, is connected to the transformer's oil tank through a pipe. When the insulating oil expands due to heat, the insulating oil flows from the transformer's oil tank to the oil conservator; when the insulating oil contracts due to heat, the insulating oil flows from the oil conservator to the transformer's oil tank, thereby adjusting the insulating oil level in the transformer's oil tank and ensuring the safe and stable operation of the transformer.

[0003] Traction transformers are core components of high-speed trains, providing the power source for crucial functions such as traction, braking, and communications. As high-speed trains start and brake, the insulating oil in the transformer's oil conservator surges with the train's movement. This impacts the conservator, causing damage to the conservator body and oil level gauge.

[0004] Based on the above technical problems, the present application proposes a high-speed train transformer oil conservator. Utility Model Content

[0005] The purpose of this utility model is to provide a high-speed train transformer oil conservator to solve the technical problems mentioned in the background technology. The purpose of this utility model is achieved through the following technical solutions:

[0006] A transformer oil conservator for a high-speed train comprises an oil conservator body, which is a sealed shell. A communicating hole is provided at the bottom of the oil conservator body, which is connected to the transformer oil tank; a breathing hole is provided at the top of the oil conservator body, a capsule is provided on the upper side of the interior of the oil conservator body, and the capsule is connected to the atmosphere through the breathing hole; a floating plate is provided on the lower side of the capsule, a plurality of baffle assemblies are provided between the floating plate and the bottom surface of the inner wall of the oil conservator body, and the baffle assemblies are arranged in an array along the traveling direction of the high-speed train; the baffle assembly comprises an upper baffle and a lower baffle, the upper baffle is fixed to the lower side of the floating plate, the lower baffle is fixed to the bottom surface of the inner wall of the oil conservator body, a flow channel is provided at the lower end of the lower baffle, the upper baffle and the lower baffle are arranged alternately, the upper baffle and the lower baffle at least partially overlap, and the height of the upper baffle is smaller than the height of the lower baffle.

[0007] Furthermore, one side of the upper baffle is in contact with one side of the lower baffle, and the positions of the upper baffles and the lower baffles of adjacent baffle assemblies are staggered.

[0008] Furthermore, an upper reinforcing rib is provided between the upper baffle and the floating plate; a lower reinforcing rib is provided between the lower baffle and the oil storage tank body, and the upper reinforcing rib and the lower reinforcing rib are respectively located on both sides of the baffle assembly.

[0009] Furthermore, an oil level gauge is provided on the side of the oil conservator body.

[0010] Furthermore, the oil level gauge includes an oil bag and a tubular oil level gauge. The oil bag is placed at the bottom of the oil conservator body, the tubular oil level gauge is installed on the side of the oil conservator body, and the oil bag is connected to the bottom of the tubular oil level gauge through a pipeline.

[0011] Furthermore, a respirator is installed at the breathing port.

[0012] The technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0013] By adding a lower baffle at the bottom of the oil conservator body, setting a floating plate between the capsule and the lower baffle, and fixing an upper baffle on the lower side of the floating plate, the upper baffle can be raised and lowered according to the oil level in the oil conservator, thereby reducing the fluctuation and impact of the insulating oil inside the oil conservator and extending the service life of the oil conservator. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings in the specification, which constitute a part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0015] Figure 1 This is a schematic diagram of the structure of an embodiment of the present application;

[0016] Figure 2 This is a schematic diagram of the connection structure between the floating plate and the upper baffle in the embodiment of the present application;

[0017] Figure 3 This is a schematic diagram of the installation of the upper baffle and the lower baffle in an embodiment of the present application.

[0018] Markings in the attached figure: 1. Oil storage cabinet body; 11. Connecting hole; 12. Breathing hole; 13. Exhaust hole; 2. Respirator; 3. Capsule; 4. Float; 5. Upper baffle; 51. Upper reinforcement rib; 6. Lower baffle; 61. Lower reinforcement rib; 62. Flow channel; 7. Tubular oil level gauge; 8. Oil bag. DETAILED DESCRIPTION

[0019] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the drawings and specific implementation methods of the specification. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present utility model and its application or use. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present utility model.

[0020] like Figure 1The high-speed train transformer oil conservator shown includes an oil conservator body 1, which is a flat rectangular closed shell made of stainless steel plate. A connecting hole 11 is formed at the bottom of the oil conservator body 1. The connecting hole 11 is connected to the transformer tank through a pipeline and is used to adjust the insulating oil level in the transformer tank.

[0021] The top of the oil conservator body 1 is provided with a breathing hole 12, to which a respirator 2 is connected via a pipe. The opening of the respirator 2 faces downward to prevent dust and impurities from falling into the respirator 2 and clogging it. A capsule 3 is located on the upper interior side of the oil conservator body 1. This capsule 3 is a sealed nylon structure, and its top is connected to the atmosphere through the breathing hole 12 and the respirator 2. When the insulating oil in the transformer tank expands due to heat and the oil level rises, the capsule 3 is squeezed, and the gas inside the capsule 3 is discharged through the respirator 2. Excess insulating oil in the transformer tank is then discharged into the oil conservator body 1. When the temperature of the insulating oil in the transformer tank drops, the oil level drops, and the capsule 3 draws in outside air through the respirator 2, allowing it to expand freely and push the insulating oil in the oil conservator body 1 back into the transformer tank. An exhaust hole 13 is also provided on the top of the oil conservator body 1. A solenoid valve is installed at the exhaust hole 13 to discharge the gas generated in the oil conservator body 1 to prevent the gas from occupying the deformation space of the capsule 3 and ensure the oil conservator body 1 has the function of regulating the oil level in the transformer tank.

[0022] like Figure 1-Figure 3 As shown, a rectangular floating plate 4 is placed under the capsule 3, with its perimeter intersecting the inner wall of the oil conservator body 1. Multiple baffle assemblies are installed between the bottom of the floating plate 4 and the bottom surface of the inner wall of the oil conservator body 1. These baffle assemblies are arranged in an array along the direction of travel of the high-speed train.

[0023] The baffle assembly includes an upper baffle 5 and a lower baffle 6. The upper baffle 5 is fixed to the underside of the floating plate 4. An upper reinforcing rib 51 is fixed between the upper baffle 5 and the floating plate 4 to improve its impact resistance. The lower baffle 6 is fixed to the bottom surface of the inner wall of the oil conservator body 1. A lower reinforcing rib 61 is fixed between the lower baffle 6 and the bottom surface of the oil conservator body 1 to improve its impact resistance. The upper and lower baffles 5 and 6 are staggered and partially overlap, forming a baffle assembly that can follow the rise and fall of the oil level, thereby reducing the impact of insulating oil surges. A flow channel 62 is also defined at the lower end of the lower baffle 6 to facilitate the circulation of insulating oil within the oil conservator body 1. The height of the upper baffle 5 is smaller than that of the lower baffle 6 to avoid obstruction of the flow channel 62.

[0024] Preferably, one side of the upper baffle 5 is fitted with one side of the lower baffle 6, and the positions of the upper baffle 5 and the lower baffle 6 of adjacent baffle assemblies are staggered, so that the upper baffle 5 and the lower baffle 6 are engaged with each other, guiding the floating plate 4 and preventing the floating plate 4 from tilting.

[0025] like Figure 1 As shown, an oil level gauge is mounted on the side of the oil conservator body 1. The oil level gauge comprises a tubular oil level gauge 7 and an elastic oil bag 8. The oil bag 8 is fixed to the bottom of the oil conservator body 1. The tubular oil level gauge 7 is mounted on the side of the oil conservator body 1 and the oil bag 8 is connected to the bottom of the tubular oil level gauge 7 via a pipe. The connection between the oil bag 8 and the tubular oil level gauge 7 prevents the insulating oil in the oil conservator body 1 from coming into contact with the atmosphere, thereby preventing degradation of the insulating oil in the oil conservator body 1.

[0026] When the insulating oil expands due to heat, the oil bag 8 is squeezed, causing the oil level in the tubular oil level gauge 7 to rise synchronously; when the insulating oil cools and contracts, the insulating oil in the tubular oil level gauge 7 flows back into the oil bag 8, causing the oil level in the tubular oil level gauge 7 to drop synchronously.

[0027] The technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0028] By adding a lower baffle at the bottom of the oil conservator body, setting a floating plate between the capsule and the lower baffle, and fixing an upper baffle on the lower side of the floating plate, the upper baffle can be raised and lowered according to the oil level in the oil conservator, thereby reducing the fluctuation and impact of the insulating oil inside the oil conservator and extending the service life of the oil conservator.

[0029] In the description of the present invention, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0030] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A high-speed train transformer oil conservator, characterized in that: The oil conservator body comprises an oil conservator body, which is a sealed shell. A connecting hole is provided at the bottom of the oil conservator body, and the connecting hole is connected to the transformer oil tank; a breathing hole is provided at the top of the oil conservator body, and a capsule is provided on the upper side of the interior of the oil conservator body, and the capsule is connected to the atmosphere through the breathing hole; a floating plate is provided on the lower side of the capsule, and a plurality of baffle assemblies are provided between the floating plate and the bottom surface of the inner wall of the oil conservator body, and the baffle assemblies are arranged in an array along the traveling direction of the high-speed train; the baffle assembly comprises an upper baffle and a lower baffle, the upper baffle is fixed to the lower side of the floating plate, the lower baffle is fixed to the bottom surface of the inner wall of the oil conservator body, a flow channel is provided at the lower end of the lower baffle, the upper baffle and the lower baffle are staggered, the upper baffle and the lower baffle at least partially overlap, and the height of the upper baffle is less than the height of the lower baffle.

2. The high-speed train transformer oil conservator according to claim 1, characterized in that: One side of the upper baffle is in contact with one side of the lower baffle, and the positions of the upper baffles and the lower baffles of adjacent baffle assemblies are staggered.

3. The high-speed train transformer oil conservator according to claim 1, characterized in that: An upper reinforcing rib is provided between the upper baffle and the floating plate; a lower reinforcing rib is provided between the lower baffle and the oil storage cabinet body, and the upper reinforcing rib and the lower reinforcing rib are respectively located on both sides of the baffle assembly.

4. The high-speed train transformer oil conservator according to claim 1, characterized in that: An oil level gauge is provided on the side of the oil conservator body.

5. The high-speed train transformer oil conservator according to claim 4, characterized in that: The oil level gauge includes an oil bag and a tubular oil level gauge. The oil bag is placed at the bottom of the oil conservator body, the tubular oil level gauge is installed on the side of the oil conservator body, and the oil bag is connected to the bottom of the tubular oil level gauge through a pipeline.

6. The high-speed train transformer oil conservator according to claim 1, characterized in that: A respirator is installed at the breathing hole.

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