High-insulation oil-immersed transformer

Abstract

The utility model relates to the field of oil-immersed transformers, in particular to a high-insulation oil-immersed transformer which comprises a transformer oil tank body, a main body used for bearing an oil-immersed transformer assembly, and a fixing bolt which penetrates through the interior of the transformer oil tank body and is used for being in threaded connection with an inner supporting plate, and a transformer winding is fixedly installed above the inner supporting plate. The high-insulation oil-immersed transformer is provided with the heat dissipation fins, the first driving controller, the insulating oil quality monitoring sensor, the waste oil tank, the first material conveying pump, the oil conservator and the electromagnetic control valve. An insulating oil quality monitoring sensor located in a transformer oil tank body can monitor the quality of insulating oil located outside a transformer winding in real time, when the insulating oil is too turbid, a signal is transmitted to a first driving controller, and the first driving controller controls a first material conveying pump to pump out old insulating oil in the transformer oil tank body; and then the electromagnetic control valve is opened to inject the new insulating oil in the oil conservator into the oil tank body of the transformer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oil immersed transformer, concretely relates to a high insulation oil immersed transformer. BACKGROUND

[0002] Oil immersed transformer is one of the important equipment in the power supply and distribution system of industrial and mining enterprises and civil buildings, which uses oil cooling method to reduce the temperature of the transformer and converts high voltage into low voltage suitable for use, and the high insulation oil immersed transformer is one kind of oil immersed transformer, which has excellent insulation performance, and the working principle of the high insulation oil immersed transformer is the same as that of the conventional oil immersed transformer, which is based on the principle of electromagnetic induction, when the alternating current power is input to the primary winding of the transformer, the alternating magnetic field will be generated in the iron core, and the alternating magnetic field will penetrate the secondary winding, thereby inducing the electromotive force in the secondary winding, and by adjusting the number of turns ratio of the primary winding and the secondary winding, the voltage can be increased or decreased.

[0003] The existing high insulation oil immersed transformer has the problems that during use, the insulation oil will deteriorate due to turbidity after long-term use, which leads to the problems that the quality of the insulation oil cannot be monitored in real time, the insulation oil is inconvenient to replace, and the like, and the high insulation oil immersed transformer lacking an automatic insulation oil replacement mechanism and an external heat dissipation device after long-term use not only reduces the high insulation capacity of the high insulation oil immersed transformer, but also accelerates the aging and deterioration of the insulation oil and reduces the insulation performance thereof.

[0004] Therefore, it is necessary to provide a high insulation oil immersed transformer to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model discloses a kind of high insulation oil immersed transformers, and high-quality insulation oil and efficient heat dissipation system are realized by heat dissipation fin, first drive controller, insulation oil quality monitoring sensor, waste oil tank, first material pump, oil pillow and electromagnetic control valve, can significantly improve the overall insulation capacity of oil immersed transformer, also reduce the electrical fault caused by poor insulation, improve the stability and reliability of power system, slow down the aging and deterioration speed of insulation oil, guarantee the effect of its insulation performance, to solve the problems that high insulation oil immersed transformer in prior art has during use, insulation oil will deteriorate due to turbidity after long-term use, which leads to the problems that the quality of the insulation oil cannot be monitored in real time, the insulation oil is inconvenient to replace, and the like, and the high insulation oil immersed transformer lacking an automatic insulation oil replacement mechanism and an external heat dissipation device after long-term use not only reduces the high insulation capacity of the high insulation oil immersed transformer, but also accelerates the aging and deterioration of the insulation oil and reduces the insulation performance thereof.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A high insulating oil immersed transformer, including transformer oil tank body, be used for bearing oil immersed transformer component main part;

[0007] Fixed bolt, pass through in the inside of transformer oil tank body, be used for screw thread connection inner backplate, and the top of inner backplate is fixedly installed transformer winding, the outside of transformer oil tank body is fixedly installed heat dissipation frame, the inside of heat dissipation frame all is provided with heat dissipation fin;

[0008] First drive controller, set up in the back of transformer oil tank body, be used for monitoring insulating oil, and the outside of first drive controller is fixedly connected with connecting line, the other end of connecting line is fixedly installed with insulating oil quality monitoring sensor, the below of first drive controller is fixedly provided with waste oil tank, the outside of waste oil tank is fixedly installed with first material pump, the output of first material pump is fixedly connected with back pipe, the other end of back pipe is fixedly connected with waste oil port;

[0009] Side bracket, set up in the right side of transformer oil tank body, be used for connecting installation oil pillow, and the outside of oil pillow is fixedly installed with oil pipeline, the other end of oil pipeline is fixedly connected with electromagnetic control valve, the bottom of electromagnetic control valve is fixedly connected with oil inlet.

[0010] Preferably, the top of the transformer oil tank body is fixedly installed with an oil tank cover plate, and the top of the oil tank cover plate is fixedly installed with an insulator.

[0011] Preferably, the number of heat dissipation fins is set to multiple, and the multiple heat dissipation fins are distributed at equal intervals on the heat dissipation frame.

[0012] Preferably, the waste oil tank is fixedly connected with the transformer oil tank body, and the insulating oil quality monitoring sensor is electrically connected with the first drive controller.

[0013] Preferably, the bottom of the side bracket is fixedly installed with a supplementary oil tank, the outside of the supplementary oil tank is fixedly installed with a second material pump, and the output of the second material pump is fixedly connected with a supplementary oil pipe.

[0014] Preferably, the right side of the supplementary oil tank is provided with a second drive controller, and the outside of the second drive controller is fixedly connected with a liquid level sensor.

[0015] In the above technical scheme, the utility model provides technical effect and advantage:

[0016] 1. The utility model discloses a heat dissipation fin, first drive controller, insulation oil quality monitoring sensor, waste oil tank, first material pump, oil pillow and electromagnetic control valve are provided, when using the high insulation oil -immersed transformer, the insulation oil quality monitoring sensor in transformer oil tank body interior will monitor the quality of the insulation oil in transformer winding outside in real time, when the insulation oil is too turbid can pass signal to first drive controller, and the old insulation oil in transformer oil tank body is drawn out by first drive controller control first material pump, and then opens electromagnetic control valve and lets the new insulation oil in oil pillow injection transformer oil tank body, so that the quick replacement of insulation oil is realized, and the heat dissipation area can be effectively increased by the multiple sets of heat dissipation fins arranged on the outside of the tank body, the heat dissipation efficiency is improved, the temperature in the transformer is reduced, the service life of the insulation oil is prolonged, and the insulation performance is maintained, the design makes the high-quality insulation oil and the high -efficient heat dissipation system act together, can improve the overall insulation capacity of oil -immersed transformer significantly, also reduces the electrical fault caused by bad insulation, improves the stability and reliability of power system, slows down the aging and metamorphic speed of insulation oil, and guarantees the insulation performance.

[0017] 2. The utility model discloses a side bracket, oil pillow, oil supplement tank, second material pump, oil supplement pipe, second drive controller and liquid level sensor are provided, when using the high insulation oil -immersed transformer, the inside of oil pillow is provided with liquid level sensor, when the insulation oil in oil pillow is insufficient, will open second material pump and draw the insulation oil in oil supplement tank and inject into oil pillow by second drive controller, and the new insulation oil is continuously supplied to the high insulation oil -immersed transformer, the design of such oil supplement mechanism simplifies the oil supplement process, and the operation and maintenance personnel only need to check the oil amount in oil supplement tank regularly and supplement insulation oil when needed, which greatly reduces the operation and maintenance difficulty and cost. ACCURACY

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the transformer winding structure schematic diagram of the utility model;

[0021] Figure 3 It is the waste oil tank structure schematic diagram of the utility model;

[0022] Figure 4 It is the oil pillow structure schematic diagram of the utility model;

[0023] Figure 5 The utility model discloses an electromagnetic control valve structure schematic view.

[0024] Figure 6 The utility model discloses a system control flow chart.

[0025] Mark explanation:

[0026] 1, transformer oil tank body;2, fixed bolt;3, inner support plate;4, transformer winding;5, oil tank cover plate;6, insulator;7, heat dissipation frame;8, heat dissipation fin;9, first drive controller;10, connecting line;11, insulating oil quality monitoring sensor;12, waste oil tank;13, first material pump;14, back pipe;15, waste oil port;16, side bracket;17, oil pillow;18, oil supplement tank;19, second material pump;20, oil supplement pipe;21, second drive controller;22, liquid level sensor;23, oil pipeline;24, electromagnetic control valve;25, oil inlet. Specific implementation

[0027] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, below will be combined with the further detailed introduction of the utility model to the drawing.

[0028] The utility model provides a kind of high insulating oil-immersed transformer as Figures 1-6 As shown in formula, including transformer oil tank body 1, for carrying oil-immersed transformer component main body;

[0029] Fixed bolt 2, it is through in the inside of transformer oil tank body 1, for screwing thread connection inner support plate 3, and the upper portion of inner support plate 3 is fixedly installed transformer winding 4, the outside of transformer oil tank body 1 is fixedly installed heat dissipation frame 7, the inside of heat dissipation frame 7 is all provided with heat dissipation fin 8;

[0030] First drive controller 9, setting in the back of transformer oil tank body 1, for monitoring insulating oil, and the outside of first drive controller 9 is fixedly connected with connecting line 10, the other end of connecting line 10 is fixedly installed with insulating oil quality monitoring sensor 11, the lower portion of first drive controller 9 is fixedly provided with waste oil tank 12, the outside of waste oil tank 12 is fixedly installed with first material pump 13, the output end of first material pump 13 is fixedly connected with back pipe 14, the other end of back pipe 14 is fixedly connected with waste oil port 15;

[0031] The side bracket 16 is arranged on the right side of the transformer oil tank body 1 and used for connecting and mounting the oil pillow 17. The outer part of the oil pillow 17 is fixedly provided with an oil conveying pipe 23. The other end of the oil conveying pipe 23 is fixedly connected with an electromagnetic control valve 24. The bottom end of the electromagnetic control valve 24 is fixedly connected with an oil inlet 25. The insulation oil quality monitoring sensor 11 inside the transformer oil tank body 1 can monitor the quality of the insulation oil outside the transformer winding 4 in real time. When the insulation oil is too turbid, a signal can be transmitted to the first drive controller 9. The first drive controller 9 controls the first conveying pump 13 to pump out the old insulation oil inside the transformer oil tank body 1. Then the electromagnetic control valve 24 is opened to inject the new insulation oil in the oil pillow 17 into the transformer oil tank body 1. In this way, the insulation oil can be quickly replaced.

[0032] As shown in Figure 1 , Figure 2 and Figure 3 , the upper part of the transformer oil tank body 1 is fixedly provided with an oil tank cover plate 5. The upper part of the oil tank cover plate 5 is fixedly provided with insulators 6. The insulators 6 are used for isolating and supporting high-voltage components, ensuring the normal transmission of power inside the transformer, effectively preventing the occurrence of current leakage or short circuit phenomenon. The number of heat dissipation fins 8 is set to be multiple. The multiple heat dissipation fins 8 are distributed at equal intervals on the heat dissipation frame 7. The multiple groups of heat dissipation fins 8 arranged outside the tank body can effectively increase the heat dissipation area, improve the heat dissipation efficiency, reduce the temperature inside the transformer, prolong the service life of the insulation oil and maintain its good insulation performance. The waste oil tank 12 is fixedly connected with the transformer oil tank body 1. The insulation oil quality monitoring sensor 11 is connected with the first drive controller 9 by wires. The first drive controller 9 controls the first conveying pump 13 to pump out the old insulation oil inside the transformer oil tank body 1. Then the electromagnetic control valve 24 is opened to inject the new insulation oil in the oil pillow 17 into the transformer oil tank body 1.

[0033] As shown in Figure 1 , Figure 4 and Figure 5 , the bottom part of the side bracket 16 is fixedly provided with an oil supplement tank 18. The outer part of the oil supplement tank 18 is fixedly provided with a second conveying pump 19. The output end of the second conveying pump 19 is fixedly connected with an oil supplement pipe 20. The design of the oil supplement mechanism of the second conveying pump 19 simplifies the oil supplement process. The operation and maintenance personnel only need to regularly check the oil amount in the oil supplement tank 18 and supplement the insulation oil when needed. This greatly reduces the operation and maintenance difficulty and cost. The right side of the oil supplement tank 18 is provided with a second drive controller 21. The outer part of the second drive controller 21 is fixedly connected with a liquid level sensor 22. The inside of the oil pillow 17 is provided with the liquid level sensor 22. When the insulation oil in the oil pillow 17 is insufficient, the second drive controller 21 can open the second conveying pump 19 to pump out the insulation oil in the oil supplement tank 18 and inject it into the oil pillow 17. New insulation oil can be continuously supplied for the high insulation oil immersed transformer.

[0034] The utility model discloses a high insulation oil -immersed transformer, belong to high insulation oil -immersed transformer technical field, including the high insulation oil -immersed transformer, the transformer oil tank body, the transformer winding, the oil pillow, the oil pillow is arranged in the transformer oil tank body, the transformer winding is arranged in the oil pillow, the transformer winding is connected with the high insulation oil -immersed transformer, the utility model discloses an improved part is: the first drive controller, the first drive controller is connected with the high insulation oil -immersed transformer, the first drive controller is connected with the first material pump, the first drive controller is connected with the electromagnetic control valve, the first drive controller is connected with the second drive controller, the second drive controller is connected with the second material pump, the second drive controller is connected with the liquid level sensor, the utility model discloses a high insulation oil -immersed transformer, can realize the quick replacement of insulation oil, and can effectively increase the heat dissipation area of the upper tank body, improve the heat dissipation efficiency, reduce the temperature in the transformer, prolong the service life of insulation oil, and keep good insulation performance, and the design makes high-quality insulation oil and high -efficient heat dissipation system jointly act, can improve the overall insulation capacity of oil -immersed transformer, and also reduce the electrical fault caused by bad insulation, improve the stability and reliability of power system, and the inside of oil pillow 17 is also provided with liquid level sensor 22, when the insulation oil in oil pillow 17 is insufficient, will be opened by second drive controller 21 second material pump 19 extracts the insulation oil in oil supplement tank 18 and injects into oil pillow 17, and the high insulation oil -immersed transformer is continuously supplied with new insulation oil, and the design of such oil supplement mechanism simplifies the oil supplement process, and the operation and maintenance personnel only need to check the oil amount in oil supplement tank 18 regularly, and supplement insulation oil when needed, finally, after the installation and use of all high insulation oil -immersed transformers are completed according to the above operation, the device is maintained daily, and the external power supply can be cut off when not used for a long time, and the use process of the high insulation oil -immersed transformer is completed in this way.

[0035] Some demonstrative embodiments of the present application are described above by way of illustration only. It will be apparent to persons skilled in the art that modifications can be made to the described embodiments without departing from the spirit and scope of the present application. Thus, the above-described drawings and descriptions are illustrative only, and should not be construed as limiting the scope of the present application.

Claims

1. A high-insulation oil-immersed transformer, characterized by: The utility model relates to a transformer oil tank body (1) for carrying the main body of oil immersed transformer components, fixed bolt (2) is through the inside of transformer oil tank body (1) is used for the threaded connection of inner to board (3), and the upper fixed mounting of inner to board (3) is installed transformer winding (4), the outside fixed mounting of transformer oil tank body (1) is installed heat dissipation frame (7), the inside of heat dissipation frame (7) is all provided with heat dissipation fin (8), first drive controller (9) is set up in the back of transformer oil tank body (1) is used for monitoring insulating oil, and the outside fixed connection of first drive controller (9) has connecting wire (10), the other end fixed mounting of connecting wire (10) has insulating oil quality monitoring sensor (11), the lower fixed setting of first drive controller (9) has waste oil tank (12), the outside fixed mounting of waste oil tank (12) has first feed pump (13), the output of first feed pump (13) is fixedly connected with the pipe (14) of drawing back, the other end fixed connection of pipe (14) of drawing back has waste oil port (15), side bracket (16) is set up in the right side of transformer oil tank body (1) is used for connecting installation oil pillow (17), and the outside fixed mounting of oil pillow (17) has oil pipeline (23), the other end fixed connection of oil pipeline (23) has electromagnetic control valve (24), the bottom fixed connection of electromagnetic control valve (24) has oil inlet (25). The upper part of the transformer oil tank body (1) is fixedly installed with an oil tank cover plate (5), and the upper part of the oil tank cover plate (5) is fixedly installed with an insulator (6). The number of heat dissipation fins (8) is set to be multiple, and multiple heat dissipation fins (8) are distributed at equal intervals on the heat dissipation frame (7). The waste oil tank (12) is fixedly connected with the transformer oil tank body (1), and the insulating oil quality monitoring sensor (11) is electrically connected with the first drive controller (9). The bottom of the side bracket (16) is fixedly installed with a supplementary oil tank (18), the outside of the supplementary oil tank (18) is fixedly installed with a second feed pump (19), and the output end of the second feed pump (19) is fixedly connected with a supplementary oil pipe (20).

2. A high insulation oil immersed transformer as claimed in claim 1, wherein: The right side of the supplementary oil tank (18) is provided with a second drive controller (21), and the outside of the second drive controller (21) is fixedly connected with a liquid level sensor (22).

3. A high insulation oil immersed transformer as claimed in claim 1, wherein: ​ 4. A high insulation oil immersed transformer as claimed in claim 1, wherein: ​ 5. A high insulation oil immersed transformer as claimed in claim 1, wherein: ​ 6. A high-insulation oil-immersed transformer according to claim 5, characterized in that: ​

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