Oil-immersed transformer

Abstract

The utility model relates to the technical field of transformers, in particular to an oil-immersed transformer. The oil-immersed transformer comprises a body, cooling fins are arranged on the periphery of the body, a frame is detachably arranged on the body in a sleeving mode, a plurality of fans are arranged on the frame, the fans are used for conducting active cooling on the body, a fixing mechanism is arranged on the frame, and the fixing mechanism is used for fixing the frame to the body. Two supporting legs are symmetrically and fixedly mounted at the bottom of the periphery of the body, and the frame is arranged at the tops of the supporting legs; through the action of the fan, the heat dissipation efficiency of the heat dissipation fins can be improved, the body is prevented from being damaged due to high temperature, and the service life of the body is prolonged; through the fixing mechanism, the frame can be conveniently mounted and dismounted, and maintenance is facilitated; and the frame is conveniently supported through the supporting legs, so that the frame is conveniently mounted and fixed, and the use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to an oil-immersed transformer. Background Art

[0002] Oil-immersed transformers are one of the important equipment in the power supply and distribution systems of industrial and mining enterprises and civil buildings. They usually have heat sinks on the oil tank to dissipate the internal oil.

[0003] For example, the patent document with the announcement number CN208970295U discloses an oil-immersed transformer, the technical solution of which includes a box shell and a box cover, the box cover is larger than the opening of the box shell, the lower end surface of the box cover is provided with a positioning block, the upper end surface of the box shell is provided with a positioning groove matched with the positioning block, the side wall of the positioning groove is provided with a sealing gasket, the box cover is provided with four guard plates located on the outside of the box shell, and the guard plates are provided with a fixing member for limiting the separation of the box shell and the box cover. The utility model has the function of making the sealing gasket not easy to age and will not affect the operation quality and service life of the transformer.

[0004] For another example, the patent document with announcement number CN205900251U discloses an oil-immersed transformer, which includes a transformer body; the transformer body includes an oil tank; the support plate on the top surface of the oil tank is provided with a plurality of high-voltage bushings in the rear row and a plurality of low-voltage bushings in the front row; a corrugated radiator is provided on the periphery of the oil tank; a nameplate is provided in the middle of the corrugated radiator on the front of the oil tank; a hanging plate is provided on each of the left and right sides of the support plate on the top surface of the oil tank; transformer oil is provided inside one side of the lower end of the oil tank; an oil level gauge is provided on the support plate on the top surface of the oil tank at a position corresponding to the transformer oil. The oil-immersed transformer of this utility model meets the needs of power transmission and distribution transformation, increases the heat dissipation area of ​​the radiator, and effectively improves the heat dissipation effect of the transformer. The setting of the hanging plate makes it easy to carry and the overall disassembly is convenient. The connection part has a simple structure, which effectively prevents the transformer oil from being oxidized, ensures the performance of the transformer oil, and prolongs the service life of the transformer.

[0005] However, in the above technologies, the oil is cooled by natural heat dissipation through heat sinks, and the heat dissipation efficiency is low.

[0006] Therefore, an oil-immersed transformer is proposed to solve the above technical problems. Utility Model Content

[0007] In order to solve the above technical problems, the purpose of the utility model is to provide an oil-immersed transformer, which has the advantages of being able to actively dissipate heat and improve heat dissipation efficiency.

[0008] The technical solution adopted by the utility model to solve the problem is: an oil-immersed transformer, comprising: a body, heat sinks are arranged on all four sides of the body, a frame is detachably sleeved on the body, a plurality of fans are arranged on the frame, the fans are used for actively cooling the body, a fixing mechanism is arranged on the frame, the fixing mechanism is used for fixing the frame on the body, two supporting legs are symmetrically fixedly installed on the bottom of all four sides of the body, and the frame is arranged on the top of the supporting legs.

[0009] As a further improvement of the above technical solution, a cavity is provided on the frame, and long holes are provided on inner walls on both sides of the cavity.

[0010] As a further improvement of the above technical solution, two grooves are symmetrically provided on the frame, and the fixing mechanism includes two connecting blocks. The connecting blocks are inserted into the grooves, and the connecting blocks are fixedly connected to the corresponding supporting legs. A card slot is provided on the connecting block, and a card block is slidably installed in the long hole, and the card block is slidably connected to the inner wall of the card slot.

[0011] As a further improvement of the above technical solution, a sliding block is slidably installed in the elongated hole, and the sliding block is fixedly connected to the corresponding clamping block.

[0012] As a further improvement of the above technical solution, two threaded sleeves are symmetrically rotatably installed in the cavity, a threaded rod is installed with the inner thread of the threaded sleeve, one end of the threaded rod extends into the elongated hole and is fixedly connected to the corresponding sliding block, a rotating rod is rotatably installed in the cavity, and one end of the rotating rod extends outside the cavity, a first bevel gear is fixedly installed on the other end of the rotating rod, and a second bevel gear is fixedly installed on the ends of the two threaded sleeves close to each other, and the first bevel gear is meshed with the two second bevel gears.

[0013] The beneficial effects of the utility model are as follows: through the action of the fan, the heat dissipation efficiency of the heat sink can be accelerated, the main body can be prevented from being damaged due to high temperature, and the service life of the main body can be increased; through the fixing mechanism, the frame can be conveniently installed and disassembled, which is beneficial to maintenance; through the supporting legs, the frame can be conveniently supported, which is beneficial to the installation and fixation of the frame and improves the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further explained below in conjunction with the accompanying drawings and specific implementation methods.

[0015] Figure 1 It is a structural schematic diagram of a preferred embodiment of the utility model;

[0016] Figure 2 for Figure 1A cross-sectional structural schematic diagram shown in FIG.

[0017] Figure 3 for Figure 2 The enlarged structural diagram of part A in the middle;

[0018] Figure 4 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the fixing mechanism in the utility model.

[0020] In the figure: 1, body; 2, frame; 3, fan; 4, fixing mechanism; 401, groove; 402, connecting block; 403, slot; 404, block; 405, sliding block; 406, threaded sleeve; 407, threaded rod; 408, rotating rod; 409, first bevel gear; 410, second bevel gear; 5, supporting leg; 6, cavity; 7, long hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0025] Reference Figures 1 to 5An oil-immersed transformer includes: a body 1, heat sinks are arranged around the body 1, a frame 2 is detachably sleeved on the body 1, a plurality of fans 3 are arranged on the frame 2, the fans 3 are used to actively dissipate heat from the body 1, and a fixing mechanism 4 is arranged on the frame 2, and the fixing mechanism 4 is used to fix the frame 2 on the body 1. When in use, the body 1 is actively dissipated by the rotation of the fans 3, the heat sink takes away the heat of the body 1 faster, the heat dissipation efficiency is improved, and the service life of the body 1 is improved.

[0026] As a preferred embodiment, two supporting legs 5 are symmetrically fixedly installed on the bottom of the four sides of the body 1, and the frame 2 is arranged on the top of the supporting legs 5. The frame 2 can be supported by the supporting legs 5, which facilitates the installation and fixing of the frame 2.

[0027] As a preferred embodiment, a cavity 6 is formed on the frame 2 , and long holes 7 are formed on inner walls on both sides of the cavity 6 .

[0028] As a preferred embodiment, two grooves 401 are symmetrically provided on the frame 2, and the fixing mechanism 4 includes two connecting blocks 402. The connecting blocks 402 are inserted into the grooves 401, and the connecting blocks 402 are fixedly connected to the corresponding supporting legs 5. A clamping groove 403 is provided on the connecting block 402, and a clamping block 404 is slidably installed in the long hole 7, and the clamping block 404 is slidably connected to the inner wall of the clamping groove 403. When in use, the frame 2 is stabilized on the supporting leg 5 through the cooperation between the groove 401 and the connecting block 402, and will not deviate. The frame 2 can be locked through the cooperation between the clamping groove 403 and the clamping block 404, thereby ensuring the installation stability of the frame 2, and the installation and disassembly are convenient, which is conducive to use.

[0029] As a preferred embodiment, a sliding block 405 is slidably installed in the long hole 7, and the sliding block 405 is fixedly connected to the corresponding clamping block 404. When in use, the movement stability of the clamping block 404 can be improved through the cooperation between the sliding block 405 and the long hole 7, and the clamping block 404 is driven to move by the movement of the sliding block 405, so that the clamping block 404 enters or moves out of the clamping slot 403, thereby facilitating the installation or removal of the frame 2 and facilitating maintenance.

[0030] As a preferred embodiment, two threaded sleeves 406 are symmetrically rotatably installed in the cavity 6, and a threaded rod 407 is installed on the inner thread of the threaded sleeve 406. One end of the threaded rod 407 extends into the long hole 7 and is fixedly connected to the corresponding sliding block 405. A rotating rod 408 is rotatably installed in the cavity 6, and one end of the rotating rod 408 extends outside the cavity 6. A first bevel gear 409 is fixedly installed on the other end of the rotating rod 408. The ends of the two threaded sleeves 406 close to each other are fixedly installed with second bevel gears 410, and the first bevel gear 409 is meshed with the two second bevel gears 410. When in use, rotate the rotating rod 408, the rotating rod 408 drives the first bevel gear 409 to rotate, the first bevel gear 409 drives the two second bevel gears 410 to rotate, the two second bevel gears 410 drive the two threaded sleeves 406 to rotate, and the two threaded sleeves 406 drive the two threaded rods 407 to move away from or towards each other, so that the block 404 enters or moves out of the corresponding slot 403, ensuring the installation stability of the frame 2.

[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An oil-immersed transformer, characterized in that: include: A body (1), wherein heat sinks are arranged on all four sides of the body (1), a frame (2) is detachably mounted on the body (1), a plurality of fans (3) are arranged on the frame (2), and the fans (3) are used to actively dissipate heat from the body (1), a fixing mechanism (4) is arranged on the frame (2), and the fixing mechanism (4) is used to fix the frame (2) on the body (1), and two supporting legs (5) are symmetrically fixedly mounted on the bottom of all four sides of the body (1), and the frame (2) is arranged on top of the supporting legs (5).

2. An oil-immersed transformer as claimed in claim 1, characterized in that: The frame (2) is provided with a cavity (6), and inner walls on both sides of the cavity (6) are provided with long holes (7).

3. An oil-immersed transformer as claimed in claim 2, characterized in that: The frame (2) is symmetrically provided with two grooves (401), the fixing mechanism (4) comprises two connecting blocks (402), the connecting blocks (402) are inserted into the grooves (401), the connecting blocks (402) are fixedly connected to the corresponding supporting legs (5), the connecting blocks (402) are provided with a clamping groove (403), a clamping block (404) is slidably installed in the long hole (7), and the clamping block (404) is slidably connected to the inner wall of the clamping groove (403).

4. An oil-immersed transformer as claimed in claim 3, characterized in that: A sliding block (405) is slidably mounted in the elongated hole (7), and the sliding block (405) is fixedly connected to the corresponding clamping block (404).

5. An oil-immersed transformer as claimed in claim 4, characterized in that: Two threaded sleeves (406) are symmetrically rotatably mounted in the cavity (6); a threaded rod (407) is internally threadedly mounted in the threaded sleeves (406); one end of the threaded rod (407) extends into the elongated hole (7) and is fixedly connected to the corresponding sliding block (405); a rotating rod (408) is rotatably mounted in the cavity (6); one end of the rotating rod (408) extends outside the cavity (6); a first bevel gear (409) is fixedly mounted on the other end of the rotating rod (408); and second bevel gears (410) are fixedly mounted on the ends of the two threaded sleeves (406) that are close to each other; the first bevel gear (409) is meshed with the two second bevel gears (410).

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