Radiator of oil-immersed transformer

Abstract

The utility model belongs to the field of oil-immersed transformers, and particularly relates to a radiator of an oil-immersed transformer, which comprises an oil-immersed transformer body, a top plate, a mounting rack, a cleaning sleeve and bolts, radiating fins are arranged on the outer wall of the oil-immersed transformer body, the top plate is fixed on the outer wall of the oil-immersed transformer body, and the mounting rack is fixed on the mounting rack. The top plate is located above the cooling fins, a containing cavity is formed in the bottom of the top plate, and a driving mechanism and a guiding mechanism are fixed in the containing cavity; through the structural design of the driving mechanism, the guide mechanism, the mounting frame and the cleaning sleeve, the surface of the cooling fin can be cleaned, meanwhile, through the structural design of the penetrating hole, the annular threaded groove, the assembly block, the screw hole and the bolt, the stability of the cleaning sleeve on the mounting frame is ensured, and the cleaning effect is improved. And the situation that the cleaning sleeve falls off due to environmental factors such as rainwater erosion is effectively prevented, the replacement convenience of the cleaning sleeve is improved, the maintenance time is shortened, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil -immersed transformer field, specifically is a radiator of oil -immersed transformer. BACKGROUND

[0002] Oil -immersed transformer is one of important equipment in industrial and mining enterprises and civil building power distribution system, and oil -immersed transformer produces a large amount of heat in the working process of core and coil, and the heat is diffused outward by means of heat conduction and convection etc., to ensure the normal stable work of transformer, in the process of oil -immersed power transformer operation, need to be assisted by its surface radiator and heat dissipation hole and radiate, China has authorized utility model patent (announcement number: CN217588637U) discloses a kind of oil -immersed power transformer, solve the problem that the surface of radiator is easy to attach a large amount of dust after long time use, thereby leading to the problem of the heat dissipation efficiency of radiator.

[0003] In the prior art, the surface of the heat sink is cleaned by setting a cleaning device to improve the cleaning efficiency of the heat sink, but there are still some deficiencies in the use process: specifically, the cleaning sleeve for cleaning the heat sink is glued to the round rod by glue, and is often eroded by rain, high temperature, etc. The adhesive surface is prone to loosen due to erosion, which causes the cleaning sleeve to loosen or even fall off, affecting the cleaning effect of the heat sink. Therefore, a radiator for oil-immersed transformer is proposed for the above situation. UTILITY MODEL CONTENT

[0004] To make up for the problem that the cleaning sleeve is easy to loosen or even fall off in the prior art, affecting the cleaning effect of the heat sink, the utility model provides a radiator for oil-immersed transformer.

[0005] The utility model solves the technical problems adopted by the technical scheme: a radiator for oil-immersed transformer, comprising an oil-immersed transformer body, a top plate, a mounting frame, a cleaning sleeve and a bolt, the outer wall of the oil-immersed transformer body is provided with heat dissipation fins.

[0006] The top plate is fixed to the outer wall of the oil-immersed transformer body and located above the heat dissipation fins. The bottom of the top plate is provided with a receiving cavity. The driving mechanism and the guide mechanism are respectively fixed in the receiving cavity.

[0007] The two ends of the mounting frame are respectively connected with the driving mechanism and the guide mechanism. A through hole is formed in one side of the outer wall of the mounting frame. An annular threaded groove is formed in the outer wall of the mounting frame at the through hole. A mounting block is arranged on the side of the outer wall of the mounting frame away from the through hole.

[0008] The cleaning sleeve is in the shape of "U". The cleaning sleeve has a threaded hole.

[0009] The outer wall of the bolt has an annular protrusion with external threads.

[0010] The surface of the cleaning sleeve cooperates with the assembly block, the bolt is inserted into the through hole, the annular protrusion is threadedly connected with the annular threaded groove.

[0011] Preferably, the driving mechanism comprises a first mounting column, a first mounting cavity is formed on one side of the first mounting column, and a driving piece is arranged in the first mounting cavity.

[0012] Preferably, the guiding mechanism comprises a second mounting column, a second mounting cavity is formed on one side of the second mounting column towards the driving mechanism, a guiding column is arranged in the second mounting cavity, a guiding cylinder is slidingly connected with the outer wall of the guiding column, and the guiding cylinder is fixedly connected with one end of the mounting rack away from the driving mechanism.

[0013] Preferably, the cleaning sleeve comprises a U-shaped plastic plate, the threaded hole is formed in the U-shaped plastic plate, the inner surface of the U-shaped plastic plate is fixedly connected with a cleaning plate, the cleaning plate is in contact with the heat dissipation fins, and the cleaning plate is made of rubber material.

[0014] Preferably, the assembly block has an arc-shaped groove, and a through hole is formed in the assembly block and communicates with the through hole.

[0015] Preferably, the bottom of the outer wall of the oil-immersed transformer body is fixedly connected with two support plates, the top of one of the support plates is fixedly connected with the bottom of the first mounting column, and the top of the other support plate is fixedly connected with the bottom of the second mounting column.

[0016] Preferably, when the driving mechanism drives the mounting rack to move upwards, the mounting rack enters the receiving cavity.

[0017] Preferably, the mounting rack has a "n" shape, and connecting rods are fixedly connected to both ends of the mounting rack and are fixedly connected with the moving end of the driving piece and the guiding cylinder.

[0018] The utility model discloses the beneficial effect lies in:

[0019] 1. The utility model discloses the structural design of driving mechanism, guiding mechanism, mounting rack and cleaning sleeve can realize the cleaning operation to the surface of heat dissipation fin, simultaneously, through the structural design of through hole, annular threaded groove, assembly block, threaded hole and bolt, the stability of cleaning sleeve on mounting rack is ensured, the cleaning sleeve falling condition caused by rain erosion and other environmental factors is effectively prevented, the replacement convenience of cleaning sleeve is improved, the maintenance time is shortened, and the work efficiency is improved.

[0020] 2. The utility model discloses through the structure design of roof and storage cavity, can move to the storage cavity inside protection in the non -working state to cleaning cover, effectively avoid the cleaning cover long -term exposure in the rain and high temperature sunlight, reduce the erosion of environmental factor to cleaning cover, thereby prolong the service life of cleaning cover significantly, reduce the frequency of replacing cleaning cover, reduce the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0022] Figure 1 It is the whole structure schematic diagram of the utility model;

[0023] Figure 2 It is the installation structure schematic diagram of drive mechanism and guide mechanism;

[0024] Figure 3 It is Figure 2 The local amplification structure schematic diagram of A in middle;

[0025] Figure 4 It is Figure 2 The local amplification structure schematic diagram of B in middle;

[0026] Figure 5 It is the assembly structure schematic diagram of cleaning cover and mounting frame;

[0027] Figure 6 It is Figure 5 The local amplification structure schematic diagram of C in middle;

[0028] Figure 7 It is the structure schematic diagram of bolt.

[0029] In the drawing: 1, oil-immersed transformer body;101, fin;2, roof;201, storage cavity;3, drive mechanism;301, first mounting column;3010, first installation cavity;302, drive piece;4, guide mechanism;401, second mounting column;402, second installation cavity;403, guide column;404, guide cylinder;5, mounting frame;501, perforation;502, annular thread groove;503, assembly block;6, cleaning cover;601, screw hole;7, bolt;701, annular protrusion;8, support plate. DETAILED DESCRIPTION

[0030] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] The following will be combined with the drawings in the embodiments of the utility model, Figures 1-7 The application is further described in detail,

[0032] The embodiment of the application discloses a radiator of an oil-immersed transformer. Referring to Figures 1-7 A radiator of an oil-immersed transformer, comprising an oil-immersed transformer body 1, a top plate 2, a mounting frame 5, a cleaning sleeve 6 and a bolt 7, the outer wall of the oil-immersed transformer body 1 is provided with a cooling fin 101.

[0033] The surface of the top plate 2 is provided with multiple foil heat insulation coating layers, improving the heat insulation capacity of the top plate 2.

[0034] The top plate 2 is fixed to the outer wall of the oil-immersed transformer body 1 and is located above the cooling fin 101, the bottom of the top plate 2 is provided with a receiving cavity 201, and the driving mechanism 3 and the guide mechanism 4 are respectively fixed in the receiving cavity 201.

[0035] When the driving mechanism 3 drives the mounting frame 5 to move upwards, the mounting frame 5 enters the receiving cavity 201.

[0036] The two ends of the mounting frame 5 are connected with the driving mechanism 3 and the guide mechanism 4 respectively, one side of the outer wall of the mounting frame 5 is provided with a perforation 501, the outer wall of the mounting frame 5 is provided with an annular threaded groove 502 at the position of the perforation 501, and the side of the outer wall of the mounting frame 5 away from the perforation 501 is provided with an assembly block 503.

[0037] The cleaning sleeve 6 is in the shape of "U", the cleaning sleeve 6 is provided with a threaded hole 601, and the number of the cleaning sleeve 6 is consistent with the number of the cooling fin 101.

[0038] The outer wall of the bolt 7 is provided with an annular protrusion 701, and the annular protrusion 701 is provided with external threads.

[0039] When the surface of the cleaning sleeve 6 cooperates with the assembly block 503, the bolt 7 is inserted into the perforation 501, the bolt 7 is screwed with the threaded hole 601, and the annular protrusion 701 is screwed with the annular threaded groove 502.

[0040] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6The driving mechanism 3 comprises a first mounting column 301, one side of the first mounting column 301 is provided with a first mounting cavity 3010, and a driving piece 302 is arranged in the first mounting cavity 3010. The moving end of the driving piece 302 is fixedly connected to one end of the mounting frame 5.

[0041] In the embodiment, the driving piece 302 is connected with a power supply and a switch, and the driving piece 302 can be implemented by an electric screw rod guide rail. The driving piece 302 can realize the lifting operation of the mounting frame 5, and then realize the lifting movement of the cleaning sleeve 6, so as to complete the cleaning operation on the surface of the heat dissipation fin 101.

[0042] The top of the first mounting column 301 and the top of the heat dissipation fin 101 have a height difference, and the bottom of the first mounting column 301 and the bottom of the heat dissipation fin 101 have a height difference.

[0043] With reference to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , the guiding mechanism 4 comprises a second mounting column 401, one side of the second mounting column 401 facing the driving mechanism 3 is provided with a second mounting cavity 402, and a guiding column 403 is arranged in the second mounting cavity 402. The outer wall of the guiding column 403 is slidably connected with a guiding cylinder 404, and the guiding cylinder 404 is fixedly connected to the end of the mounting frame 5 away from the driving mechanism 3.

[0044] In the embodiment, the guiding mechanism 4 is arranged to provide support and guidance for the lifting operation of the mounting frame 5, so as to ensure the stability of the mounting frame 5 during the lifting process.

[0045] The mounting frame 5 has a shape of a "n", and the two ends of the mounting frame 5 are fixedly connected with two connecting rods, respectively.

[0046] With reference to Figure 1 and Figure 5 , the cleaning sleeve 6 comprises a U-shaped plastic plate, a threaded hole 601 is arranged on the U-shaped plastic plate, and a cleaning plate is fixedly connected to the inner surface of the U-shaped plastic plate. The cleaning plate is in contact with the heat dissipation fin 101, and the cleaning plate is made of a high-temperature-resistant rubber material.

[0047] The U-shaped plastic plate is sprayed with a high-temperature-resistant coating.

[0048] The cleaning plate can be replaced by a plurality of uniformly distributed bristles.

[0049] With reference to Figure 5 , Figure 6 and Figure 7The assembling block 503 is provided with an arc-shaped slot, and a through hole is formed in the assembling block 503 and communicates with the through hole 501.

[0050] The through hole is used as a mounting channel of the bolt 7, and the through hole and the through hole 501 are designed as threaded holes matched with the bolt 7.

[0051] Referring to Figure 1 and Figure 2 The oil-immersed transformer body 1 is fixedly connected with a support plate 8 at the bottom of the outer wall, and the support plate 8 has two plates.

[0052] The support plate 8 supports the first mounting column 301 and the second mounting column 401, and further improves the stability of the first mounting column 301 and the second mounting column 401 after installation.

[0053] Working principle: in use, the driving member 302 is started, and the mounting frame 5 is lowered under the cooperation of the guide cylinder 404, so that the cleaning sleeve 6 cleans the dust on the surface of the heat dissipation fin 101.

[0054] When not in use, the driving member 302 works to move the mounting frame 5 upwards into the storage cavity 201, and the top plate 2 protects the cleaning sleeve 6.

[0055] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. The utility model still has various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A radiator of an oil-immersed transformer, comprising an oil-immersed transformer body (1), an outer wall of the oil-immersed transformer body (1) is provided with a radiating fin (101), characterized in that, Also include: The top plate (2) is fixed on the outer wall of the oil-immersed transformer body (1), located above the cooling fin (101), the bottom of the top plate (2) is provided with a receiving cavity (201), the driving mechanism (3) and the guide mechanism (4) are respectively fixed in the receiving cavity (201); The mounting frame (5) is connected with the driving mechanism (3) and the guide mechanism (4) at both ends respectively, a through hole (501) is formed on one side of the outer wall of the mounting frame (5), an annular threaded groove (502) is formed on the outer wall of the mounting frame (5) at the through hole (501), and an assembly block (503) is arranged on the side of the outer wall of the mounting frame (5) away from the through hole (501); The cleaning sleeve (6) is "U"-shaped, and the cleaning sleeve (6) has a threaded hole (601); The outer wall of the bolt (7) has an annular protrusion (701), and the annular protrusion (701) has an external thread; When the surface of the cleaning sleeve (6) cooperates with the assembly block (503), the bolt (7) is inserted into the through hole (501), the bolt (7) is screwed with the threaded hole (601), and the annular protrusion (701) is screwed with the annular threaded groove (502).

2. A radiator for an oil immersed transformer according to claim 1, characterized in that: The driving mechanism (3) comprises a first mounting column (301), a first mounting cavity (3010) is formed on one side of the first mounting column (301), a driving piece (302) is arranged in the first mounting cavity (3010), and the moving end of the driving piece (302) is fixedly connected with one end of the mounting frame (5).

3. A radiator for an oil immersed transformer according to claim 1, characterized in that: The guide mechanism (4) comprises a second mounting column (401), a second mounting cavity (402) is formed on one side of the second mounting column (401) facing the driving mechanism (3), a guide column (403) is arranged in the second mounting cavity (402), a guide cylinder (404) is slidably connected with the outer wall of the guide column (403), and the guide cylinder (404) is fixedly connected with the end of the mounting frame (5) away from the driving mechanism (3).

4. A radiator for an oil immersed transformer according to claim 1, characterized in that: The cleaning sleeve (6) comprises a U-shaped plastic plate, the threaded hole (601) is formed in the U-shaped plastic plate, the inner surface of the U-shaped plastic plate is fixedly connected with a cleaning plate, the cleaning plate is in contact with the cooling fin (101), and the cleaning plate is made of rubber material.

5. A radiator for an oil immersed transformer according to claim 1, characterized in that: The assembly block (503) has an arc-shaped groove, a through hole is formed in the assembly block (503), and the through hole is communicated with the through hole (501).

6. A radiator for an oil immersed transformer according to claim 2 or 3, characterised in that: The bottom of the outer wall of the oil-immersed transformer body (1) is fixedly connected with a support plate (8), the support plate (8) has two, one top of the support plate (8) is fixedly connected with the bottom of the first mounting column (301), and the top of the other support plate (8) is fixedly connected with the bottom of the second mounting column (401).

7. A radiator for an oil immersed transformer according to claim 2, characterized in that: When the driving mechanism (3) drives the mounting frame (5) to move upward, the mounting frame (5) enters the receiving cavity (201).

8. A radiator for an oil immersed transformer according to claim 7, characterised in that: The mounting frame (5) is in the shape of a "n", both ends of the mounting frame (5) are fixed with connecting rods, and the two connecting rods are fixedly connected with the moving end of the driving member (302) and the guide cylinder (404) respectively.

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