A power transformer oil quality protection device

Abstract

The utility model relates to the field of transformer, and disclose a kind of electric power transformer oil quality protection device, including base, the top of base is provided with oil storage tank, the top of oil storage tank is provided with cover, the top of cover is fixedly connected with oil inlet pipe, the outside of oil inlet pipe is provided with first valve, the outer ring of oil storage tank is provided with oil drain pipe, the outside of oil drain pipe is provided with second valve, this electric power transformer oil quality protection device, transformer oil is guided from oil inlet pipe, oil will first enter oil separation cylinder, and impact rotating plate will impact force be converted into kinetic energy, so as to weaken impact force, then under the action of cone column, while guiding the shunt of transformer oil, further weaken the impact force of oil, make transformer oil from oil guide pipe guide from oil storage tank tank wall, finally flow into oil storage tank, avoid transformer oil impact, splash formation bubble, solved the problem that existing transformer oil quality protection device is difficult to stabilize hydraulic oil and is guided into storage tank.

Description

Technical Field

[0001] This utility model relates to the field of transformer technology, specifically to an oil quality protection device for power transformers. Background Technology

[0002] Transformer oil is a fractionation product of petroleum, and its main components are alkanes, cycloalkanes, saturated hydrocarbons, and aromatic unsaturated hydrocarbons. Commonly known as transformer oil, it is a light yellow, transparent liquid with a relative density of 0.895.

[0003] Patent CN218568601U discloses a power transformer oil protection structure, which includes a container tank, a collection frame, a filler, a buffer, and a pressure relief component. The container tank is fixedly connected to the collection frame, and the cavity of the collection frame is fitted with the filler. The top of the container tank is fitted with the buffer. Through the design of the buffer, the device can reduce the impact force when the transformer oil is injected into the container tank, thereby reducing the impact force on the container tank, improving the performance, and preventing the pressure inside the container tank from overloading and causing an explosion. Through the design of the collection frame, the transformer oil can be collected when the container tank leaks, reducing waste.

[0004] However, the existing device directly introduces transformer oil from the buffer and discharges it through the drain hole to the oil tray. When the transformer oil is discharged from the small-diameter drain hole, it has a large impact force. This causes the transformer oil to splash and fall into the container tank when it sprays onto the oil tray, thus trapping the gas inside the container tank and forming many bubbles. Without a defoaming mechanism, this can easily affect the pressure discharge rate inside the container tank. Therefore, a power transformer oil quality protection device is proposed to solve the problem that existing transformer oil quality protection devices cannot stably introduce transformer oil into the storage tank. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a power transformer oil quality protection device, which solves the aforementioned problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: an oil quality protection device for power transformers, comprising a base, an oil storage tank at the top of the base, a cover at the top of the oil storage tank, an oil inlet pipe fixedly connected to the top of the cover, a first valve outside the oil inlet pipe, an oil drain pipe around the outer ring of the oil storage tank, a second valve outside the oil drain pipe, an adjusting mechanism inside the base, a pressure relief pipe outside the oil storage tank, a one-way exhaust valve outside the pressure relief pipe, an oil distributor cylinder inside the cover, an oil guide pipe outside the oil distributor cylinder, a conical column fixedly connected to the inner cavity of the oil distributor cylinder, a rotating shaft rotatably connected through the top of the conical column, and a rotating plate around the top of the rotating shaft.

[0009] Preferably, the oil guide pipe is inclined toward the tank wall of the oil storage tank, and the oil guide pipe and the rotating plate are made of polytetrafluoroethylene sheet.

[0010] Preferably, the adjustment mechanism includes a lifting plate disposed inside the hollow base, four fixed columns are fixedly connected to the bottom of the lifting plate, universal wheels are fixedly connected to the bottom of the fixed columns, and a slot is provided through the bottom of the base.

[0011] Preferably, the slot corresponds to the position of the caster wheel, a guide cylinder is fixedly connected to the inner cavity of the base, and a hydraulic telescopic column is provided at the bottom of the lifting plate, with the bottom of the hydraulic telescopic column fixedly connected to the bottom of the inner cavity of the base.

[0012] Preferably, the fixed column passes through the guide cylinder and the two are slidably connected. The base is rotatably connected to the outside of a U-shaped frame. A U-shaped pull frame is slidably provided in the inner cavity of the U-shaped frame. A limit groove is symmetrically opened at one end of the U-shaped frame. A limit bolt is slidably provided in the inner cavity of the limit groove. The limit bolt passes through the inner wall of the U-shaped pull frame and the two are threadedly connected.

[0013] Preferably, the outer ring of the oil separator is fixedly connected to an installation ring, which is connected to the cover by installation bolts.

[0014] (III) Beneficial Effects

[0015] 1. This power transformer oil quality protection device introduces transformer oil through the inlet pipe. The oil first enters the oil distributor, and the impact plate converts the impact force into kinetic energy, thereby weakening the impact force. Then, under the action of the cone column, the transformer oil is guided and diverted, further weakening the impact force of the oil. The transformer oil is then guided from the guide pipe to the wall of the oil storage tank and finally flows into the oil storage tank. This avoids the transformer oil from impacting and splashing, forming bubbles, and solves the problem that existing transformer oil quality protection devices are unable to stably introduce hydraulic oil into the storage tank.

[0016] 2. When the oil quality protection device for the power transformer needs to be moved, the hydraulic telescopic column drives the lifting plate to move down, and then, under the guidance of the guide cylinder, drives the fixed column to move down, so that the casters pass through the slot and contact the ground, and lift the base off the ground. Then, the U-shaped pull frame rotatably connected to the U-shaped frame outside the base is pulled out, and under the limit of the limit bolt in the limit slot, the protection device can be moved. Conversely, the casters are put back into the base, so that the base is grounded, improving stability and the ease of moving the protection device. Attached Figure Description

[0017] Figure 1 This is a structural diagram of the present utility model;

[0018] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0019] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 4 This is a bottom view of the structure of this utility model.

[0021] In the diagram: 1. Base; 2. Oil storage tank; 3. Cover; 4. Oil inlet pipe; 5. First valve; 6. Oil outlet pipe; 7. Second valve; 8. Adjustment mechanism; 801. Lifting plate; 802. Fixed column; 803. Casters; 804. Groove; 805. Guide cylinder; 806. Hydraulic telescopic column; 807. U-shaped frame; 808. U-shaped pull frame; 809. Limiting groove; 8010. Limiting bolt; 9. Pressure discharge pipe; 10. One-way exhaust valve; 11. Oil distributor; 12. Oil guide pipe; 13. Conical column; 14. Rotating shaft; 15. Rotating plate; 16. Mounting ring; 17. Mounting bolt. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example: Please refer to Figure 1-4An oil quality protection device for power transformers includes a base 1, an oil storage tank 2 on the top of the base 1, a cover 3 on the top of the oil storage tank 2, an oil inlet pipe 4 fixedly connected to the top of the cover 3, a first valve 5 on the outside of the oil inlet pipe 4, an oil drain pipe 6 on the outer ring of the oil storage tank 2, a second valve 7 on the outside of the oil drain pipe 6, an adjustment mechanism 8 in the inner cavity of the base 1, a pressure relief pipe 9 on the outside of the oil storage tank 2, a one-way exhaust valve 10 on the outside of the pressure relief pipe 9, an oil distributor 11 in the inner cavity of the cover 3, an oil guide pipe 12 on the outside of the oil distributor 11, a conical column 13 fixedly connected to the inner cavity of the oil distributor 11, a rotating shaft 14 rotatably connected through the top of the conical column 13, and a rotating plate 15 on the outer ring of the top of the rotating shaft 14.

[0024] Furthermore, the oil guide pipe 12 is inclined toward the tank wall of the oil storage tank 2. The oil guide pipe 12 and the rotating plate 15 are made of polytetrafluoroethylene sheet. The impact of transformer oil on the rotating shaft 14 is reduced by the second cone column, and the transformer oil can be guided to the rotating plate 15 to weaken its impact force. In addition, the use of polytetrafluoroethylene sheet with extremely low friction coefficient reduces the impact of transformer oil adhesion.

[0025] Furthermore, the adjustment mechanism 8 includes a lifting plate 801 disposed inside the hollow base 1. Four fixing columns 802 are fixedly connected to the bottom of the lifting plate 801, and universal wheels 803 are fixedly connected to the bottom of the fixing columns 802. A slot 804 is provided through the bottom of the base 1.

[0026] Furthermore, the slot 804 corresponds to the position of the caster wheel 803, the inner cavity of the base 1 is fixedly connected to the guide cylinder 805, and the bottom of the lifting plate 801 is provided with a hydraulic telescopic column 806, the bottom of the hydraulic telescopic column 806 is fixedly connected to the bottom of the inner cavity of the base 1.

[0027] Furthermore, the fixed column 802 penetrates the guide cylinder 805 and the two are slidably connected. A U-shaped frame 807 is rotatably connected to the outside of the base 1. A U-shaped pull frame 808 is slidably arranged in the inner cavity of the U-shaped frame 807. A limit groove 809 is symmetrically opened at one end of the U-shaped frame 807. A limit bolt 8010 is slidably arranged in the inner cavity of the limit groove 809. The limit bolt 8010 penetrates to the inner wall of the U-shaped pull frame 808 and the two are threadedly connected. When it is necessary to move this power transformer oil quality protection device, it is moved by the hydraulic telescopic column 802. 6. The lifting plate 801 is moved down, and then the fixed column 802 is moved down under the guidance of the guide cylinder 805, so that the caster wheel 803 passes through the slot 804 to contact the ground and pushes the base 1 off the ground. Then, the U-shaped pull frame 808 in the U-shaped frame 807 connected to the outside of the base 1 is pulled out and limited by the limiting bolt 8010 in the limiting slot 809, so that the protective device can be moved. Conversely, the caster wheel 803 is put back into the base 1, so that the base 1 is grounded to improve stability and improve the ease of movement of the protective device.

[0028] Furthermore, an installation ring 16 is fixedly connected to the outer ring of the oil distributor 11. The installation ring 16 is connected to the cover 3 by an installation bolt 17. The installation bolt 17 on the installation ring 16 can be removed, and the oil distributor 11 can be removed from the cover 3, which facilitates the cleaning and maintenance of the structure on the oil distributor 11.

[0029] Working principle: When using this power transformer oil quality protection device, the transformer oil is introduced from the oil inlet pipe 4 and the first valve 5 is opened at the same time. The oil will first enter the oil distribution cylinder 11 and impact the rotating plate 15 to convert the impact force into kinetic energy, thereby weakening the impact force. Then, under the action of the cone column 13, the transformer oil is guided and diverted, and the impact force of the oil is further weakened. The transformer oil is then guided from the oil guide pipe 12 to the wall of the oil storage tank 2 and finally flows into the oil storage tank 2. This avoids the transformer oil from impacting and splashing, forming bubbles, and solves the problem that existing transformer oil quality protection devices are difficult to stably introduce hydraulic oil into the storage tank. When it is necessary to move this power transformer oil quality protection device, the hydraulic telescopic column 806 drives the lifting plate 801 to move down, and then, under the guidance of the guide cylinder 805, drives the fixed column 802 to move down, so that the caster wheel 803 passes through the slot 804 to contact the ground and pushes the base 1 off the ground. Then, the U-shaped pull frame 808, which is rotatably connected to the outside of the base 1, is pulled out and, under the limit of the limit bolt 8010 in the limit slot 809, the protection device can be moved. Conversely, the caster wheel 803 is put back into the base 1, so that the base 1 is grounded to improve stability and improve the ease of moving the protection device.

[0030] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A power transformer oil quality protection device, comprising a base (1), characterized in that: An oil storage tank (2) is provided on the top of the base (1), and a cover (3) is provided on the top of the oil storage tank (2). An oil inlet pipe (4) is fixedly connected to the top of the cover (3). A first valve (5) is provided on the outside of the oil inlet pipe (4). An oil drain pipe (6) is provided on the outer ring of the oil storage tank (2). A second valve (7) is provided on the outside of the oil drain pipe (6). An adjustment mechanism (8) is provided in the inner cavity of the base (1). The outer side of the cover (3) is provided with a pressure relief pipe (9), and the outer side of the pressure relief pipe (9) is provided with a one-way exhaust valve (10). The inner cavity of the cover (3) is provided with an oil separator (11), and the outer side of the oil separator (11) is provided with an oil guide pipe (12). The inner cavity of the oil separator (11) is fixedly connected with a cone column (13), and the top of the cone column (13) is rotatably connected with a rotating shaft (14). The top outer ring of the rotating shaft (14) is provided with a rotating plate (15).

2. The power transformer oil quality protection device according to claim 1, characterized in that: The oil guide pipe (12) is inclined toward the tank wall of the oil storage tank (2), and the rotating plate (15) of the oil guide pipe (12) is made of polytetrafluoroethylene sheet.

3. The power transformer oil quality protection device according to claim 1, characterized in that: The adjustment mechanism (8) includes a lifting plate (801) disposed inside the hollow base (1). The bottom of the lifting plate (801) is fixedly connected to four fixed columns (802). The bottom of the fixed columns (802) is fixedly connected to casters (803). The bottom of the base (1) is provided with a through slot (804).

4. The power transformer oil quality protection device according to claim 3, characterized in that: The slot (804) corresponds to the position of the caster wheel (803). The inner cavity of the base (1) is fixedly connected to the guide cylinder (805). The bottom of the lifting plate (801) is provided with a hydraulic telescopic column (806). The bottom of the hydraulic telescopic column (806) is fixedly connected to the bottom of the inner cavity of the base (1).

5. The power transformer oil quality protection device according to claim 4, characterized in that: The fixed column (802) passes through the guide cylinder (805) and the two are slidably connected. The base (1) is rotatably connected to the outside of the U-shaped frame (807). The U-shaped frame (807) is slidably provided with a U-shaped pull frame (808) in the inner cavity. One end of the U-shaped frame (807) is symmetrically provided with a limiting groove (809). The inner cavity of the limiting groove (809) is slidably provided with a limiting bolt (8010). The limiting bolt (8010) passes through the inner wall of the U-shaped pull frame (808) and the two are threadedly connected.

6. The power transformer oil quality protection device according to claim 1, characterized in that: The outer ring of the oil separator (11) is fixedly connected to an installation ring (16), which is connected to the cover (3) by an installation bolt (17).

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