Transformer expansion tank and transformer

Abstract

The utility model discloses a transformer oil conservator and a transformer. The transformer oil conservator comprises a transformer oil conservator body, a filtering device and an alarm device. The filtering device is installed in the transformer oil conservator body, and the alarm device is fixedly connected to the lower portion of the transformer oil conservator body. The filtering device comprises a limiting rod fixedly connected into the transformer oil conservator body, an impeller is rotationally connected to the limiting rod, an elastic telescopic rod is fixedly connected to the impeller, a knocking head is fixedly connected to the end, away from the impeller, of the elastic telescopic rod, and a filtering plate is arranged on the side, away from the elastic telescopic rod, of the knocking head. An arc-shaped protruding block is fixedly installed on the side, close to the elastic telescopic rod, of the filtering plate. The oil filter can effectively prevent the filter plate from being blocked by impurities, so that the problem that oil cannot flow circularly is solved, and the oil filter is high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a transformer oil pillow and a transformer. Background Art

[0002] The oil pillow is a crucial and indispensable component in transformers. It serves as an oil storage device for transformers. When the oil in the transformer expands, it flows into the pillow itself. When the oil shrinks, it is refilled from the pillow itself into the transformer. Thus, the pillow acts as both a reservoir and a replenisher, ensuring the transformer's oil tank is always full. The pillow also reduces the transformer's contact surface with the air, allowing moisture, dust, and oxidized oil deposits to settle in a sedimentation chamber at the bottom of the pillow, slowing down the deterioration of the transformer oil.

[0003] The transformer oil pillow in the prior art, such as the one disclosed in patent application No. 202222871320.7, specifically includes an oil tank and a capsule arranged in the oil tank, a sliding assembly is slidingly provided inside the oil tank, and a lock is provided on the sliding assembly, and the sliding assembly can drive the lock to slide out from the opening at one end of the oil tank; the hanging ring on the outer wall of the capsule is sleeved on the lock. The above application solves the current technical problem that if the capsule bag is placed in a smaller oil pillow, the staff cannot reach into the oil pillow to install it, resulting in inconvenience. However, it was found in the study that a large amount of dust and impurities will enter the interior of the transformer during operation, but the above-mentioned prior art cannot filter the oil in the transformer tank. When the transformer is in use, a large amount of dust and impurities will enter the interior of the transformer, which can easily shorten the service life of the transformer. Utility Model Content

[0004] In response to the deficiencies in the prior art, the utility model provides a transformer oil pillow and a transformer. By providing a filtering device and an alarm device, the oil flowing into the transformer can be effectively filtered, thereby extending the service life of the transformer and enhancing the fluidity of the oil. At the same time, the alarm device will notify the staff to take action, further enhancing the practicality of the entire device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] In a first aspect, the utility model provides a transformer oil pillow, comprising: a transformer oil pillow body, a filter device, and an alarm device; the filter device is installed inside the transformer oil pillow body, and the alarm device is fixedly connected below the transformer oil pillow body;

[0007] The filtering device includes a limiting rod fixedly connected to the inside of the transformer oil pillow body, the limiting rod is rotatably connected to the impeller, the impeller is fixedly connected to an elastic telescopic rod, the end of the elastic telescopic rod away from the impeller is fixedly connected to a striking head, a filter plate is provided on the side of the striking head away from the elastic telescopic rod, and an arc-shaped protrusion is fixedly installed on the side of the filter plate close to the elastic telescopic rod.

[0008] As a further technical solution, a connecting pipe is fixedly installed on the top of the transformer oil conservator body, and the connecting pipe is communicated with the interior of the transformer oil conservator body.

[0009] As a further technical solution, the impeller includes a hub and a plurality of blades fixedly connected to the hub, the hub is rotatably connected to the limit rod, and each blade is fixedly connected to the elastic telescopic rod.

[0010] As a further technical solution, one side of the filter plate away from the arc-shaped protruding block is fixedly connected to an elastic connecting rod, and one end of the elastic connecting rod away from the filter plate is fixedly connected to a fixed block.

[0011] As a further technical solution, the filter plate is movably connected to the inside of the transformer oil pillow body, and the fixed blocks are fixedly connected to the ports at both ends of the transformer oil pillow body.

[0012] As a further technical solution, the alarm device includes an alarm, the bottom of the alarm is fixedly connected to a base, and the top of the base is fixedly connected to an elastic support rod.

[0013] As a further technical solution, the base is installed below the transformer oil pillow body, and one end of the elastic support rod away from the base is fixedly connected to the bottom of the transformer oil pillow body.

[0014] As a further technical solution, the alarm is installed directly below the transformer oil pillow body, and the top of the alarm slides and is electrically connected to an electric switch.

[0015] In a second aspect, the present invention provides a transformer, comprising a transformer oil tank and a transformer oil pillow as described in any one of the first aspects.

[0016] As a further technical solution, the transformer oil tank is connected to the transformer oil pillow through an oil pipe.

[0017] One or more technical solutions of the present invention have the following beneficial effects:

[0018] (1) The utility model designs a filtering device inside the transformer oil pillow. When the transformer oil pillow body is in use, the oil flowing into the oil pillow from the transformer oil tank can be effectively filtered. At the same time, when the oil enters the transformer oil pillow body through the connecting pipe, it will impact the impeller, causing the impeller to rotate. When the impeller rotates, it will drive the elastic telescopic rod and the knocking head to rotate synchronously. After the knocking head rotates to a fixed position, it will knock with the arc-shaped protrusion block, thereby causing the filter plate to vibrate, achieving the effect of knocking and vibrating the filter plate, which can effectively prevent the filter plate from being blocked by impurities, resulting in the problem of oil being unable to circulate. The utility model is highly practical.

[0019] (2) The utility model designs an alarm device under the transformer oil pillow body. When the impurities in the transformer oil pillow body are filtered and accumulated to a certain weight, the weight of the transformer oil pillow body will increase. When the weight of the transformer oil pillow body increases, the elastic support rod will be squeezed. The elastic support rod will shrink and drive the transformer oil pillow body to drop. After the transformer oil pillow body drops to a fixed position, the electric switch of the alarm will be squeezed. The alarm will sound an alarm to notify the staff to handle it, further enhancing the practicality of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification, which constitute a part of the present invention, 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.

[0021] Figure 1 This is a schematic diagram of the overall structure of the transformer oil conservator of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal cross-section structure of the transformer oil conservator body of the utility model;

[0023] Figure 3 This is an enlarged schematic diagram of point A in the internal cross-sectional structure diagram of the transformer oil conservator body of the present invention;

[0024] Figure 4 This is an enlarged schematic diagram of point B in the internal cross-sectional structure diagram of the transformer oil conservator body of the present utility model;

[0025] Among them: 1. Transformer oil pillow body; 2. Connecting pipe; 3. Filter device; 31. Limit rod; 32. Impeller; 33. Elastic telescopic rod; 34. Knocking head; 35. Arc-shaped raised block; 36. Filter plate; 37. Elastic connecting rod; 38. Fixed block; 4. Alarm device; 41. Alarm; 42. Base; 43. Elastic support rod. DETAILED DESCRIPTION

[0026] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0027] Example 1

[0028] The utility model provides a transformer oil pillow, such as Figure 1 As shown, the transformer oil pillow includes a transformer oil pillow main body 1, a filtering device 3 and an alarm device 4, wherein a connecting pipe 2 is fixedly installed on the top of the transformer oil pillow main body 1, and the connecting pipe 2 is communicated with the interior of the transformer oil pillow main body 1, the filtering device 3 is installed inside the transformer oil pillow main body 1, and the alarm device 4 is fixedly connected to the bottom of the transformer oil pillow main body 1.

[0029] In this embodiment, if Figure 3 As shown, the filter device 3 includes a limit rod 31 fixedly connected to the interior of the transformer oil pillow body 1, the limit rod 31 is rotatably connected to the impeller 32, and the impeller 32 is fixedly connected to an elastic telescopic rod 33, wherein the impeller 32 includes a hub and a plurality of blades fixedly connected to the hub, wherein the hub is rotatably connected to the limit rod 31, and each blade 32 is fixedly connected to the elastic telescopic rod 33. In this embodiment, preferably, the impeller 32 is rotatably connected on both sides of the limit rod 31 facing the transformer oil pillow body port. Taking one side as an example, detailed description is given: the end of the elastic telescopic rod 33 away from the impeller 32 is fixedly connected to a knocking head 34, and the side of the knocking head 34 away from the elastic telescopic rod 33 is provided with a filter plate 36, and a plurality of filter holes are opened on the filter plate 36, and the side of the filter plate 36 close to the elastic telescopic rod 33 is fixedly connected to an arc-shaped protrusion block 35, and the side of the filter plate 36 away from the arc-shaped protrusion block 35 is fixedly connected to the elastic connecting rod 37, as shown in FIG. Figure 2As shown, the end of the elastic connecting rod 37 away from the filter plate 36 is fixedly connected to a fixing block 38. In this embodiment, preferably, three elastic connecting rods 37 are provided. Furthermore, the filter plate 36 is movably connected to the interior of the transformer conservator body 1, and the fixing blocks 38 are fixedly connected to the ports at both ends of the transformer conservator body 1. In this embodiment, because the limiting rod 31 is fixedly connected to the interior of the transformer conservator body 1, the elastic telescopic rod 33 is in a compressed state, and the limiting rod 31 can effectively limit the impeller 32. The presence of the filter plate 36 can effectively filter and remove impurities from the oil in the transformer oil tank. By designing the filter device 3, this embodiment can effectively filter the oil flowing into the oil pillow from the inside of the transformer oil tank when the transformer oil pillow main body 1 is in use. At the same time, when the oil enters the inside of the transformer oil pillow main body 1 through the connecting pipe 2, it will impact the impeller 32, causing the impeller 32 to rotate. When the impeller 32 rotates, it will drive the elastic telescopic rod 33 and the knocking head 34 to rotate synchronously. After the knocking head 34 rotates to a fixed position, it will knock with the arc-shaped protrusion block 35, so that the filter plate vibrates, achieving the effect of knocking and vibrating the filter plate, preventing the filter plate 36 from being blocked by impurities, resulting in the inability of the oil to circulate. The transformer oil pillow in this embodiment is more practical.

[0030] like Figure 4 As shown, the alarm device 4 includes an alarm 41. A base 42 is fixedly connected to the bottom of the alarm 41, and an elastic support rod 43 is fixedly connected above the base 42. The alarm device 4 can promptly sound an alarm and notify staff to take action. Specifically, the base 42 is mounted below the transformer oil conservator body 1, and the end of the elastic support rod 43, which is away from the base, is fixedly connected to the bottom of the transformer oil conservator body 1. The alarm 41 is mounted directly below the transformer oil conservator body 1, and the top of the alarm slides and is electrically connected to an electric switch. The alarm 41 can sound an alarm when the transformer oil conservator body 1 presses the electric switch, notifying staff to take action. In this embodiment, when impurities filtered and accumulated in the transformer oil conservator body 1 by the alarm device 4 reach a certain weight, the weight of the transformer oil conservator body 1 increases. This increase in weight compresses the elastic support rod 43, which contracts and drives the transformer oil conservator body 1 downward. When the transformer oil conservator body 1 descends to a fixed position, it compresses the switch of the alarm 41, causing the alarm 41 to sound an alarm and notify staff to take action, further enhancing the practicality of the entire device.

[0031] The principle of a transformer oil pillow provided in this embodiment is as follows:

[0032] First, connect the oil pipe of the transformer oil tank with the connecting pipe 2. After the connection is completed, the transformer oil pillow can be used to store and replenish the transformer oil tank. When the operating temperature of the transformer rises, the volume of the transformer oil in the oil tank expands, and the excess oil will enter the interior of the transformer oil pillow main body 1 through the connecting pipe 2. The oil entering the interior of the transformer oil pillow main body 1 will be filtered when passing through the filter plate 36 to filter out impurities in the oil. At the same time, the oil can effectively impact the impeller 32, and the impeller 32 will rotate. When the impeller 32 rotates, it will drive the elastic telescopic rod 33 and the knocking head 34 to rotate synchronously. When the knocking head 34 rotates After it reaches the fixed position, it will knock against the arc-shaped raised block 35, and the filter plate will vibrate, and the repeated rotation and knocking will prevent impurities from remaining in the filter holes on the filter plate 36 to cause blockage. When the oil flow rate is faster, the pressure in the transformer oil pillow body 1 will increase, and the filter plate 36 will squeeze the elastic connecting rod 37. The elastic connecting rod 37 will contract and drive the filter plate 36 to slide at the same time to prevent damage to the filter plate 36. When the filter plate 36 slides, the elastic telescopic rod 33 will extend in a compressed state, and can continue to knock the arc-shaped raised block 35 through the knocking head 34 to generate vibration, which is more practical.

[0033] When the impurities filtered inside the transformer oil pillow main body 1 accumulate to a certain weight, the weight of the transformer oil pillow main body 1 will increase, and the transformer oil pillow main body 1 will squeeze the elastic support rod 43, and the elastic support rod 43 will shrink, while driving the transformer oil pillow main body 1 to descend. After the transformer oil pillow main body 1 descends to a fixed position, it will squeeze the switch of the alarm 41, and the alarm 41 will sound an alarm to notify the staff to handle it. After the processing is completed, the elastic support rod 43 will drive the transformer oil pillow main body 1 to return to its original position, the switch of the alarm 41 will no longer be squeezed, and the alarm 41 will stop sounding the alarm, further enhancing the practicality of the entire device.

[0034] Example 2

[0035] This embodiment discloses a transformer, including a transformer oil tank and a transformer oil conservator provided in the embodiment, wherein the transformer oil tank is connected to the transformer oil conservator via an oil pipe. The technical solution, technical effects, and principles of the transformer oil conservator in the second embodiment are the same as those in the first embodiment, and will not be further described here. For details, see the first embodiment.

[0036] 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 transformer oil conservator, characterized in that: include: Transformer oil conservator body, filter device and alarm device; The filter device is installed inside the transformer oil conservator body, and the alarm device is fixedly connected below the transformer oil conservator body; The filtering device includes a limiting rod fixedly connected to the inside of the transformer oil pillow body, the limiting rod is rotatably connected to the impeller, the impeller is fixedly connected to an elastic telescopic rod, a striking head is fixedly connected to the side of the elastic telescopic rod away from the impeller, a filter plate is provided on the side of the striking head away from the elastic telescopic rod, and an arc-shaped protrusion is fixedly installed on the side of the filter plate close to the elastic telescopic rod.

2. The transformer oil conservator according to claim 1, characterized in that: A connecting pipe is fixedly installed on the top of the transformer oil conservator body, and the connecting pipe is communicated with the interior of the transformer oil conservator body.

3. The transformer oil conservator according to claim 1, characterized in that: The impeller comprises a hub and a plurality of blades fixedly connected to the hub. The hub is rotatably connected to the limiting rod, and each blade is fixedly connected to the elastic telescopic rod.

4. The transformer oil conservator according to claim 1, characterized in that: A side of the filter plate away from the arc-shaped protruding block is fixedly connected to an elastic connecting rod, and an end of the elastic connecting rod away from the filter plate is fixedly connected to a fixed block.

5. The transformer oil conservator according to claim 4, characterized in that: The filter plate is movably connected to the interior of the transformer oil pillow body, and the fixing blocks are fixedly connected to ports at both ends of the transformer oil pillow body.

6. The transformer oil conservator according to claim 1, characterized in that: The alarm device comprises an alarm, the bottom of the alarm is fixedly connected to a base, and the top of the base is fixedly connected to an elastic support rod.

7. The transformer oil conservator according to claim 6, characterized in that: The base is installed below the transformer oil pillow body, and one end of the elastic support rod away from the base is fixedly connected to the bottom of the transformer oil pillow body.

8. The transformer oil conservator according to claim 6, characterized in that: The alarm is installed just below the transformer oil conservator body, and the top of the alarm slides and is electrically connected to an electric switch.

9. A transformer, characterized in that: The utility model comprises a transformer oil tank and a transformer oil pillow as claimed in any one of claims 1 to 8.

10. A transformer according to claim 9, characterized in that: The transformer oil conservator is connected to the transformer oil tank through a pipeline.

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