Self-circulation oil air cooling efficient power transformer

Abstract

The invention relates to the technical field of power transformers, in particular to a self-circulation oil air cooling efficient power transformer. The transformer comprises a transformer body, a cooling oil tank is fixedly installed on one side of the transformer body, cooling mechanisms are fixedly installed on the two sides of the top face of the cooling oil tank, a purification tank is arranged on one side of the cooling oil tank in a penetrating mode, and a cover plate is movably installed on the top face of the purification tank. According to the self-circulation oil air-cooling efficient power transformer, through the arrangement of the filtering mechanism and the purifying mechanism, an oil pump is turned on, transformer oil in the transformer body is pumped out through an oil pumping pipe, then the transformer oil is conveyed into a purifying box through an oil conveying pipe, the transformer oil is preliminarily filtered through a W-shaped micropore filter screen, and the transformer oil is further purified through a W-shaped activated carbon plate; the effect of removing impurities in the transformer oil is achieved, the filtering mechanism and the purifying mechanism are arranged to be in a W shape, the contact area between the filtering mechanism and the transformer oil can be increased, and the filtering and purifying efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of power transformers, in particular to a self-circulating oil-air-cooled high-efficiency power transformer. Background Art

[0002] A power transformer is a static electrical device that is used to convert a certain value of AC voltage (current) into another or several different values ​​of voltage (current) with the same frequency. Traditional transformer oil has a slow heat dissipation rate, and high oil temperature will have many adverse effects.

[0003] An electric transformer with accelerated transformer oil circulation and cooling is disclosed in publication number CN210403444U. Although the invention can effectively accelerate the cooling oil circulation speed and cooling speed of the transformer to increase the heat dissipation speed of the transformer, effectively reduce the operating temperature of the transformer, improve the transformer overload capacity, and extend the service life of the transformer.

[0004] However, the power transformer that accelerates transformer oil circulation and cooling has the following disadvantages: it is not convenient to filter and purify the transformer oil while air cooling the transformer oil, and the transformer oil is mixed with impurities, which will affect the normal use function of the transformer oil. Summary of the invention

[0005] The object of the present invention is to provide a self-circulating oil-air-cooled high-efficiency power transformer to solve the problem that it is inconvenient to filter and purify the transformer oil while air-cooling the transformer oil.

[0006] To achieve the above-mentioned purpose, a self-circulating oil-air-cooled high-efficiency power transformer is provided, comprising a transformer body, a cooling oil tank is fixedly installed on one side of the transformer body, cooling mechanisms are fixedly installed on both sides of the top surface of the cooling oil tank, a purification box is provided through one side of the cooling oil tank, a cover plate is movably installed on the top surface of the purification box, a filtering mechanism is fixedly installed on one side of the bottom surface of the cover plate, a purification mechanism is fixedly installed on the other side of the bottom surface of the cover plate, and an oil pump is fixedly installed on one side of the purification box.

[0007] As a further improvement of the technical solution, the cooling mechanism includes cooling fans fixedly mounted on both sides of the top surface of the cooling oil tank, and a dustproof net is fixedly mounted on the top surface of the cooling fan, and the dustproof net is used to protect the cooling fan from dust.

[0008] As a further improvement of the technical solution, the filtering mechanism includes a filtering frame fixedly arranged on one side of the bottom surface of the cover plate, and a W-shaped microporous filter is fixedly arranged inside the filtering frame, and the W-shaped microporous filter performs preliminary filtering on the transformer oil.

[0009] As a further improvement of the technical solution, the purification mechanism includes a purification frame fixedly arranged on the other side of the bottom surface of the cover plate, and a W-shaped activated carbon plate is fixedly arranged inside the purification frame, and the W-shaped activated carbon plate further purifies the transformer oil.

[0010] As a further improvement of the technical solution, an oil extraction pipe is provided through the input end of the oil pump, one end of which is provided through the interior of the transformer body, and the oil extraction pipe facilitates extraction of transformer oil.

[0011] As a further improvement of the technical solution, an oil pipeline is provided through the output end of the oil pump, one end of which is provided through the interior of the purification box, and the oil pipeline facilitates the delivery of the transformer oil to the cooling oil tank.

[0012] As a further improvement of the technical solution, a circulation pipe is provided through the back of the cooling oil tank, one end of which is provided through the interior of the transformer body, so that the circulation pipe can transport the cooled transformer oil back to the transformer body.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The self-circulating oil-air-cooled high-efficiency power transformer, through the setting of the filtering mechanism and the purification mechanism, turns on the oil pump, extracts the transformer oil in the transformer body through the oil extraction pipe, and then transports it to the purification box through the oil delivery pipe. The W-shaped microporous filter performs preliminary filtration on the transformer oil, and the W-shaped activated carbon plate further purifies the transformer oil, achieving the effect of removing impurities inside the transformer oil. In addition, the filtering mechanism and the purification mechanism are set in a W shape, which can increase the contact area with the transformer oil and improve the efficiency of filtering and purification.

[0014] 2. The self-circulating oil-air-cooled high-efficiency power transformer, through the setting of the cooling mechanism, the purified transformer oil flows into the cooling oil tank, and the two sets of cooling fans are turned on to quickly discharge the heat carried by the transformer oil. The dustproof net prevents dust from the cooling fan, achieving the effect of efficient air cooling of the transformer oil. The cooled transformer oil flows back to the transformer body through the circulation pipe for continued use, ensuring the normal use of the transformer oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the purification box of the present invention; Figure 3 It is a structural schematic diagram of the filtering mechanism and the purification mechanism of the present invention; Figure 4 It is a structural schematic diagram of the cooling mechanism of the present invention.

[0016] The meaning of each number in the figure is: 1. Transformer body; 2. Cooling oil tank; 3. Cooling mechanism; 301. Cooling fan; 302. Dust screen; 4. Purification box; 5. Cover plate; 6. Filter mechanism; 601. Filter frame; 602. W-type microporous filter; 7. Purification mechanism; 701. Purification frame; 702. W-type activated carbon plate; 8. Oil pump; 9. Oil extraction pipe; 10. Oil delivery pipe; 11. Circulation pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] See also Figure 1-Figure 4 As shown, the purpose of this embodiment is to provide a self-circulating oil-air-cooled high-efficiency power transformer, including a transformer body 1, a cooling oil tank 2 is fixedly installed on one side of the transformer body 1, and cooling mechanisms 3 are fixedly installed on both sides of the top surface of the cooling oil tank 2. Through the setting of the cooling mechanism 3, the purified transformer oil flows into the cooling oil tank 2, and the two sets of cooling fans 301 are turned on to quickly discharge the heat carried by the transformer oil. The dustproof net 302 prevents dust from the cooling fan 301, so as to achieve the effect of high-efficiency air cooling of the transformer oil. The cooled transformer oil flows back to the transformer body 1 through the circulation pipe 11 for continued use, thereby ensuring the normal use of the transformer oil. A purification box 4 is provided through one side of the cooling oil tank 2, and a cover plate 5 is movably installed on the top surface of the purification box 4. A filtering mechanism 6 is fixedly provided on one side of the bottom surface of the cover plate 5, and a purification mechanism 7 is fixedly provided on the other side of the bottom surface of the cover plate 5. Through the setting of the filtering mechanism 6 and the purification mechanism 7, the oil pump 8 is turned on, and the transformer oil in the transformer body 1 is extracted through the oil extraction pipe 9, and then transported to the purification box 4 through the oil delivery pipe 10. The W-shaped microporous filter 602 performs preliminary filtering on the transformer oil, and the W-shaped activated carbon plate 702 further purifies the transformer oil, thereby achieving the effect of removing impurities inside the transformer oil. In addition, the filtering mechanism 6 and the purification mechanism 7 are arranged in a W shape, which can increase the contact area with the transformer oil and improve the efficiency of filtering and purification. An oil pump 8 is fixedly installed on one side of the purification box 4.

[0021] See also Figure 4 The cooling mechanism 3 includes cooling fans 301 fixedly mounted on both sides of the top surface of the cooling oil tank 2 , and a dustproof net 302 is fixedly mounted on the top surface of the cooling fan 301 .

[0022] The cooling mechanism 3 is provided to cool the transformer oil by air.

[0023] See also Figure 3 The filter mechanism 6 includes a filter frame 601 fixedly arranged on one side of the bottom surface of the cover plate 5 , and a W-shaped microporous filter screen 602 is fixedly arranged inside the filter frame 601 .

[0024] The setting of the filtering mechanism 6 plays a role in preliminary filtering of the transformer oil.

[0025] See also Figure 3 The purification mechanism 7 includes a purification frame 701 fixedly arranged on the other side of the bottom surface of the cover plate 5 , and a W-shaped activated carbon plate 702 is fixedly arranged inside the purification frame 701 .

[0026] The purification mechanism 7 is provided to further purify the transformer oil.

[0027] See also Figure 2 An oil extraction pipe 9 is provided through the input end of the oil pump 8 , and one end of the oil extraction pipe 9 is provided through the interior of the transformer body 1 .

[0028] The oil extraction pipe 9 is provided to extract the transformer oil inside the transformer body 1 .

[0029] See also Figure 2 An oil delivery pipe 10 is provided through the output end of the oil pump 8 , and one end of the oil delivery pipe 10 is provided through the interior of the purification box 4 .

[0030] The oil delivery pipe 10 is provided to deliver the transformed oil to the inside of the purification box 4 .

[0031] See also Figure 4 A circulation pipe 11 is provided through the back of the cooling oil tank 2 , and one end of the circulation pipe 11 is provided through the interior of the transformer body 1 .

[0032] The circulation pipe 11 is provided to transport the transformer oil after air cooling back to the transformer body 1 .

[0033] Working steps: Turn on the oil pump 8, extract the transformer oil in the transformer body 1 through the oil extraction pipe 9, and then transport it to the purification box 4 through the oil delivery pipe 10; The W-shaped microporous filter 602 performs preliminary filtration on the transformer oil, and the W-shaped activated carbon plate 702 further purifies the transformer oil to remove impurities inside the transformer oil. The filter mechanism 6 and the purification mechanism 7 are arranged in a W shape, which can increase the contact area with the transformer oil and improve the efficiency of filtration and purification. The purified transformer oil flows into the cooling oil tank 2, and the two sets of cooling fans 301 are turned on to quickly discharge the heat carried by the transformer oil. The dustproof net 302 prevents dust from the cooling fan 301 and efficiently cools the transformer oil. The cooled transformer oil flows back to the transformer body 1 through the circulation pipe 11 for continued use, thereby ensuring the normal use of the transformer oil.

[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A self-circulating oil-air-cooled high-efficiency power transformer, characterized in that: The invention comprises a transformer body (1), a cooling oil tank (2) being fixedly mounted on one side of the transformer body (1), cooling mechanisms (3) being fixedly mounted on both sides of the top surface of the cooling oil tank (2), a purification box (4) being provided through one side of the cooling oil tank (2), a cover plate (5) being movably mounted on the top surface of the purification box (4), a filtering mechanism (6) being fixedly mounted on one side of the bottom surface of the cover plate (5), a purification mechanism (7) being fixedly mounted on the other side of the bottom surface of the cover plate (5), and an oil pump (8) being fixedly mounted on one side of the purification box (4).

2. The self-circulating oil-air-cooled high-efficiency power transformer according to claim 1 is characterized in that: The cooling mechanism (3) comprises cooling fans (301) fixedly mounted on both sides of the top surface of the cooling oil tank (2), and a dustproof net (302) is fixedly mounted on the top surface of the cooling fan (301).

3. The self-circulating oil-air-cooled high-efficiency power transformer according to claim 1 is characterized in that: The filtering mechanism (6) comprises a filtering frame (601) fixedly arranged on one side of the bottom surface of the cover plate (5), and a W-shaped microporous filtering screen (602) is fixedly arranged inside the filtering frame (601).

4. The self-circulating oil-air-cooled high-efficiency power transformer according to claim 1 is characterized in that: The purification mechanism (7) comprises a purification frame (701) fixedly arranged on the other side of the bottom surface of the cover plate (5), and a W-shaped activated carbon plate (702) is fixedly arranged inside the purification frame (701).

5. The self-circulating oil-air-cooled high-efficiency power transformer according to claim 1 is characterized in that: An oil extraction pipe (9) is provided through the input end of the oil pump (8), and one end of the oil extraction pipe (9) is provided through the interior of the transformer body (1).

6. The self-circulating oil-air-cooled high-efficiency power transformer according to claim 1 is characterized in that: An oil delivery pipe (10) is provided through the output end of the oil pump (8), and one end of the oil delivery pipe (10) is provided through the interior of the purification box (4).

7. The self-circulating oil-air-cooled high-efficiency power transformer according to claim 1 is characterized in that: A circulation pipe (11) is provided through the back of the cooling oil tank (2), and one end of the circulation pipe (11) is provided through the interior of the transformer body (1).

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