Online monitoring equipment for oil gas in transformer

Abstract

The utility model provides on-line monitoring equipment for oil gas in a compressor. The on-line monitoring equipment comprises a box body, an oil inlet of the box body is connected with a transformer oil cavity through an oil inlet pipeline, an oil pump is arranged on the oil inlet pipeline, and the oil outlet end of the oil inlet pipeline is located in the box body. A first transmission assembly and a second transmission assembly are mounted in the box body; the first transmission assembly is in transmission connection with the second transmission assembly, and the output end of the second transmission assembly is connected with an oil-gas separation assembly; a filter plate is installed above the oil-gas separation assembly, and the oil-gas separation assembly, the first transmission assembly and the second transmission assembly are separated in different spaces. Transformer oil is conveyed into the box body through the oil inlet pipeline, so that the transformer oil is subjected to first oil-gas separation under the action of the first transmission assembly; the first transmission assembly drives the second transmission assembly to rotate, the second transmission assembly drives the oil-gas separation assembly to rotate to conduct second-time oil-gas separation on the transformer oil, the oil-gas separation effect can be improved, and the accuracy and reliability of the detection result of the detection part are improved.

Description

Technical Field

[0001] This application belongs to the technical field of power equipment monitoring, and particularly relates to on-line monitoring equipment for oil and gas in transformers. Background Art

[0002] As a main equipment in the power system, the operating reliability of a transformer directly affects the safety and stability of the power system. The components and contents of the dissolved gases in transformer oil can effectively reflect the insulation fault conditions inside the operating transformer. Therefore, the method of analyzing the dissolved gases in transformer oil has currently become an effective monitoring means for fault diagnosis of oil-immersed power equipment in the power system.

[0003] In the prior art, when analyzing the components and contents of the dissolved gases in transformer oil, it is often necessary to first separate the oil and gas. Most of the existing oil-gas separation means drive the gearbox oil through an oil baffle or a sieve plate, etc. During this process, the gas can be separated from the oil. However, there is still a small amount of gas in the oil after the oil-gas separation, and these gases cannot be smoothly separated from the oil, resulting in inaccurate results when detecting the gas. Summary of the Utility Model

[0004] In view of this, the main purpose of this application is to provide an on-line monitoring equipment for oil and gas in a transformer.

[0005] To achieve the above purpose, the technical solution adopted in this application is as follows: The on-line monitoring equipment for oil and gas in a transformer includes a box body; the oil inlet of the box body is connected to the transformer oil chamber through an oil inlet pipeline, and an oil pump is provided on the oil inlet pipeline. The outlet end of the oil inlet pipeline is located inside the box body;

[0006] A first transmission component and a second transmission component are installed inside the box body; the first transmission component is close to the outlet end of the oil inlet pipeline. The first transmission component is in transmission connection with the second transmission component, and the output end of the second transmission component is connected to an oil-gas separation component; a filter plate is installed above the oil-gas separation component, and the filter plate is connected to the inner wall of the box body, separating the oil-gas separation component, the first transmission component, and the second transmission component in different spaces;

[0007] The first transmission component uses the transformer oil entering the box body as the transmission power to drive the second transmission component to rotate, so that the second transmission component drives the oil-gas separation component to separate the oil and gas in the transformer oil in the box body.

[0008] Further, the first transmission component includes a shaft rotatably connected to the inner wall of the box body; a wheel coaxial with the shaft is connected to the outlet end of the oil inlet pipeline, and a plurality of grooves are evenly distributed on the circumferential surface of the wheel; a first bevel gear in transmission connection with the second transmission component is provided at the end of the shaft.

[0009] Further, the second transmission assembly includes a second bevel gear meshing with the first bevel gear; a rod is fixedly connected to the lower end of the second bevel gear, the rod is inserted into the filter plate and rotatably connected to the filter plate; the end of the rod away from the second bevel gear is connected to the oil-gas separation assembly.

[0010] Further, the oil-gas separation assembly includes a first blade and a second blade; the first blade and the second blade are coaxially and fixedly connected to the rod.

[0011] Further, the first blade and the second blade are different in size; the first blade and the second blade are arranged in a staggered manner.

[0012] Further, both the first blade and the second blade are in a fan shape.

[0013] Further, arc-shaped protrusions are provided on the inner wall of the box body and distributed on the periphery of the oil-gas separation assembly.

[0014] Further, the arc-shaped protrusions are evenly distributed or staggeredly distributed on the periphery of the oil-gas separation assembly.

[0015] Further, an oil outlet pipeline connected to the transformer oil chamber is provided at the lower end of the box body.

[0016] Further, an air outlet end and a gas detection device are provided on the box body; the air outlet end is communicated with the gas detection device.

[0017] Compared with the prior art, the beneficial effects of the present application are as follows: The transformer oil is transported into the box body through the oil inlet pipeline, so that the transformer oil is subjected to the first oil-gas separation under the action of the first transmission assembly; the first transmission assembly drives the second transmission assembly to rotate, and the second transmission assembly drives the oil-gas separation assembly to rotate to perform the second oil-gas separation on the transformer oil. Compared with the prior art, the oil-gas separation effect can be improved, and the accuracy and reliability of the detection result of the detection part can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The following drawings are only schematic illustrations and explanations of the present application, and are not used to limit the scope of the present application, where:

[0019] Figure 1 is a schematic diagram of the oil-gas flow direction of the present application;

[0020] Figure 2 is a schematic three-dimensional structure diagram of the present application.

[0021] Reference signs: 1. Box body; 2. Oil inlet pipeline; 3. Oil pump; 4. First transmission assembly; 5. Second transmission assembly; 6. Shaft; 7. Wheel; 8. First bevel gear; 9. Filter plate; 10. Second bevel gear; 11. Rod; 12. Groove; 13. First blade; 14. Second blade; 15. Arc-shaped protrusion; 16. Gas outlet end; 17. Oil outlet pipeline; 18. Gas detection device; 19. Transformer. Detailed implementation mode

[0022] In order to make the purpose, technical solution, design method and advantages of this application clearer, the following further details this application through specific embodiments in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain this application and are not used to limit this application.

[0023] Refer to Figures 1 to 2 , this application provides an on-line oil-gas monitoring device in a transformer, including a box body 1; the oil inlet of the box body 1 is connected to the oil chamber of the transformer 19 through an oil inlet pipeline 2, an oil pump 3 is provided on the oil inlet pipeline 2, and the oil outlet end of the oil inlet pipeline 2 is located inside the box body 1;

[0024] A first transmission assembly 4 and a second transmission assembly 5 are installed inside the box body 1; the first transmission assembly 4 is close to the oil outlet end of the oil inlet pipeline 2, the first transmission assembly 4 is in transmission connection with the second transmission assembly 5, and the output end of the second transmission assembly 5 is connected with an oil-gas separation assembly; a filter plate 9 is installed above the oil-gas separation assembly, and the filter plate 9 is connected to the inner wall of the box body 1, separating the oil-gas separation assembly and the first transmission assembly 4 and the second transmission assembly 5 in different spaces;

[0025] The first transmission assembly 4 uses the transformer oil entering the box body 1 as the transmission power to drive the second transmission assembly 5 to rotate, so that the second transmission assembly 5 drives the oil-gas separation assembly to separate the oil and gas in the box body 1;

[0026] When the transformer oil in the oil chamber is input from the oil inlet pipeline 2, under the action of the gravity of the transformer oil, the first transmission assembly 4 rotates to drive the second transmission assembly 5 to rotate, so that the second transmission assembly 5 drives the oil-gas separation assembly to separate the oil and gas in the box body 1.

[0027] In the above, the first transmission assembly 4 includes a shaft 6 rotatably connected to the inner wall of the box body 1; a wheel 7 located at the output end of the oil inlet pipeline 2 is coaxially connected to the shaft 6, and a plurality of grooves 12 are evenly distributed on the circumferential surface of the wheel 7; a first bevel gear 8 drivingly connected to the second transmission assembly 5 is provided at the end of the shaft 6; the oil pump 3 pumps out the oil in the oil chamber of the transformer 19 and flows it into the box body 1 through the oil inlet pipeline 2. The insulating oil falls and hits the grooves 12 of the wheel 7. Due to the gravity and impact force of the oil, the wheel 7 and the shaft 6 rotate. During the rotation of the shaft 6, the first bevel gear 8 at its end drives the second transmission assembly 5 to rotate, and then the oil-gas separation assembly connected to the second transmission assembly 5 rotates, separating the gas in the oil and discharging it from the gas outlet end 16 and entering the gas detection device 18 for detection.

[0028] In the above process, the oil and gas are first separated for the first time through the rotation of the wheel 7, and the gas after the first separation is discharged from the gas outlet end 16; the wheel 7 rotates under the cooperation of the gravity and impact force of the oil and the grooves 12. After rotation, the wheel 7 causes the shaft 6 to rotate, and the first bevel gear 8 on the shaft 6 can drive the second transmission assembly 5 to rotate. At the same time, the second transmission assembly 5 drives the oil-gas separation assembly to rotate, and the oil-gas separation assembly will agitate the oil in the box body 1 again. Under the agitation effect, the oil and gas are separated again to improve the oil-gas separation effect; compared with the prior art, the oil-gas separation effect can be improved, thereby improving the accuracy and reliability of the detection results of the gas detection device 18.

[0029] In the above, the second transmission assembly 5 includes a second bevel gear 10 meshing with the first bevel gear 8; a rod 11 is fixedly connected to the lower end of the second bevel gear 10, and the rod 11 is inserted into the filter plate 9 and rotatably connected to the filter plate 9; the end of the rod 11 away from the second bevel gear 10 is connected to the oil-gas separation assembly.

[0030] In the above, the oil-gas separation assembly includes a first blade 13 and a second blade 14; the first blade 13 and the second blade 14 are coaxially fixedly connected to the rod 11.

[0031] In the above, the first blade 13 and the second blade 14 are of different sizes; the first blade 13 and the second blade 14 are fan-shaped and arranged in a staggered manner.

[0032] In the above-described embodiment, the oil and gas are first separated for the first time by the rotation of the wheel 7, and the gas after the first separation is discharged from the gas outlet end 16; the wheel 7 rotates under the cooperation of the gravity and impact force of the oil and the groove 12. After rotation, the wheel 7 causes the shaft 6 to rotate, and the first bevel gear 8 at the upper end of the shaft 6 can drive the second bevel gear 10 to rotate. At the same time, the rod 11 connected to the second bevel gear 10 drives the first blade 13 and the second blade 14 to rotate. The first blade 13 and the second blade 14 agitate the oil in the box body 1, and the oil and gas are separated again under the agitation effect to improve the oil and gas separation effect; compared with the prior art, the oil and gas separation effect can be improved, thereby improving the accuracy and reliability of the detection results of the gas detection device 18.

[0033] In the above, arc-shaped protrusions 15 are provided on the inner wall of the box body 1 and are distributed on the periphery of the oil and gas separation assembly; the arc-shaped protrusions 15 are evenly distributed or staggeredly distributed on the periphery of the oil and gas separation assembly; under the agitation of the first blade 13 and the second blade 14, the oil will collide with the arc-shaped protrusions 15, which can further improve the oil and gas separation effect.

[0034] The embodiments of the present application have been described above. The above description is exemplary and not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles of the embodiments, the practical application or the improvement of the technology in the market, or to enable other ordinary technicians in the technical field to understand the disclosed embodiments.

Claims

1. On-line monitoring equipment for oil and gas in transformers, characterized in that, Comprising a box body (1); The oil inlet of the box body (1) is connected to the oil chamber of the transformer (19) through an oil inlet pipeline (2). A oil pump (3) is provided on the oil inlet pipeline (2), and the outlet end of the oil inlet pipeline (2) is located inside the box body (1); A first transmission assembly (4) and a second transmission assembly (5) are installed inside the box body (1); The first transmission assembly (4) is close to the outlet end of the oil inlet pipeline (2). The first transmission assembly (4) is in transmission connection with the second transmission assembly (5), and the output end of the second transmission assembly (5) is connected with an oil-gas separation assembly; A filter plate (9) is installed above the oil-gas separation assembly. The filter plate (9) is connected to the inner wall of the box body (1), separating the oil-gas separation assembly, the first transmission assembly (4) and the second transmission assembly (5) in different spaces; The first transmission assembly (4) uses the transformer oil entering the box body (1) as the transmission power to drive the second transmission assembly (5) to rotate, so that the second transmission assembly (5) drives the oil-gas separation assembly to separate the oil and gas of the transformer oil in the box body (1).

2. The on-line monitoring device for oil and gas in a transformer according to claim 1, wherein The first transmission assembly (4) includes a shaft (6) rotatably connected to the inner wall of the box body (1); A wheel (7) located at the outlet end of the oil inlet pipeline (2) is coaxially connected to the shaft (6). A plurality of grooves (12) are evenly distributed on the circumferential surface of the wheel (7); A first bevel gear (8) in transmission connection with the second transmission assembly (5) is provided at the end of the shaft (6).

3. The on-line monitoring device for oil and gas in a transformer according to claim 2, characterized in that, The second transmission assembly (5) includes a second bevel gear (10) meshing with the first bevel gear (8); A rod (11) is fixedly connected to the lower end of the second bevel gear (10). The rod (11) is inserted into the filter plate (9) and rotatably connected to the filter plate (9); The end of the rod (11) away from the second bevel gear (10) is connected to the oil-gas separation assembly.

4. The on-line monitoring device for oil and gas in a transformer according to claim 3, characterized in that, The oil-gas separation assembly includes a first blade (13) and a second blade (14); The first blade (13) and the second blade (14) are coaxially and fixedly connected to the rod (11).

5. The on-line monitoring device for oil and gas in a transformer according to claim 4, characterized in that, The first blade (13) and the second blade (14) are of different sizes; The first blade (13) and the second blade (14) are arranged in a staggered position.

6. The on-line monitoring device for oil and gas in a transformer according to claim 4, characterized in that, Both the first blade (13) and the second blade (14) are fan-shaped.

7. The on-line monitoring device for oil and gas in a transformer according to claim 4, characterized in that, Arc-shaped protrusions (15) distributed on the periphery of the oil-gas separation assembly are provided on the inner wall of the box body (1).

8. The on-line monitoring device for oil and gas in a transformer according to claim 7, characterized in that, The arc-shaped protrusions (15) are evenly distributed or staggered on the periphery of the oil-gas separation assembly.

9. The on-line monitoring device for oil and gas in a transformer according to claim 1, wherein An oil outlet pipeline (17) connected to the transformer oil chamber is provided at the lower end of the box body (1).

10. The on-line monitoring device for oil and gas in a transformer according to claim 1, characterized in that, An air outlet end (16) and a gas detection device (18) are provided on the box body; The air outlet end (16) is communicated with the gas detection device (18).

Images