Cooling circulation protection device for oil-immersed transformer

Abstract

The utility model discloses a cooling circulation protection device for an oil-immersed transformer, which relates to the technical field of cooling circulation, and comprises a mounting plate, a support plate, an oil-immersed transformer box body, an isolation plate, a circulation cooling box, a rectangular-ambulatory-plane fixing block, an isolation mechanism arranged on the support plate, a first oil outlet pipe, a second oil inlet pipe and a first sealing mechanism, the connecting mechanism is arranged on the first sealing mechanism, the second sealing mechanism is arranged on the connecting mechanism, and the sliding groove, the spiral pipe and the circulating mechanism are arranged on the oil-immersed transformer box body and the circulating cooling box; through cooperation of the first sealing mechanism, the second sealing mechanism, the sliding groove and the connecting mechanism, the spiral pipe is not tightly connected with the first oil outlet pipe and the second oil inlet pipe any more, so that the spiral pipe can be easily taken down manually to be replaced and cleaned, the situation that the heat dissipation effect is reduced due to pipeline blockage is prevented, and the cooling effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling circulation technical field especially relates to a cooling circulation protection device for oil immersed transformer. BACKGROUND

[0002] Oil immersed transformer is a common power equipment, mainly used for voltage conversion of power system. Cooling circulation protection device is a very important component in oil immersed transformer, which is mainly responsible for maintaining the temperature inside the transformer within a safe range, preventing equipment damage or safety accidents caused by overheating. These devices monitor and control the temperature of the transformer in different ways to ensure its long-term stable operation.

[0003] In the Chinese patent with the authorization announcement number CN211742873U, a cooling circulation protection device for oil immersed transformer is disclosed, which comprises an oil immersed transformer shell, a circulating cooling box is installed at the top end of the oil immersed transformer shell, and an oil tank is installed on the side wall of the oil immersed transformer shell through a mounting frame, a circulating oil pump is installed on the upper surface wall of the oil tank, a second oil outlet pipe is connected to the oil outlet end of the circulating oil pump, and the end of the second oil outlet pipe away from the circulating oil pump is connected with the side wall of the circulating cooling box. The cooling pipe is designed as a spiral structure, which can increase the contact area and contact time of transformer oil heat exchange in a limited area, can fully dissipate heat in the time of transformer oil passing through the cooling pipe, can maximize absorb the residual heat in the transformer oil, can accelerate heat dissipation, reduce oil temperature, and ensure the normal work of the oil immersed transformer.

[0004] However, impurities and sediments will gradually accumulate in the pipeline after long-term use of the cooling circulation device, causing pipeline blockage. The inner surface of the spiral pipeline has many small grooves and protrusions, which are more prone to oil stain accumulation than smooth pipelines, resulting in reduced heat dissipation effect. The spiral pipeline is not convenient to disassemble, and the spiral pipeline cannot be replaced and cleaned, so it needs to be improved. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a cooling circulation protection device for oil immersed transformer, which aims to solve the above technical problems.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A cooling circulation protection device for oil immersed transformer, comprising a mounting plate and a supporting plate, further comprising:

[0008] An oil immersed transformer tank is fixedly arranged on the mounting plate;

[0009] An isolation plate is arranged on the oil-immersed transformer box and fixedly connected with the oil-immersed transformer box.

[0010] A circulating cooling box is fixedly arranged on the isolation plate.

[0011] Four H-shaped fixing blocks are arranged on the oil-immersed transformer box and fixedly connected with the oil-immersed transformer box, and four H-shaped fixing blocks are fixedly arranged on the circulating cooling box.

[0012] Two isolation mechanisms are arranged on the support plate and slidably connected with the H-shaped fixing blocks.

[0013] A first oil outlet pipe is fixedly arranged on the oil-immersed transformer box.

[0014] A second oil inlet pipe is arranged on the circulating cooling box and fixedly connected with the circulating cooling box.

[0015] Two first closing mechanisms are arranged on the first oil outlet pipe and the second oil inlet pipe.

[0016] A connecting mechanism is arranged on the first closing mechanism and slidably connected with the first closing mechanism.

[0017] Two second closing mechanisms are arranged on the connecting mechanism.

[0018] A plurality of sliding grooves are arranged on the first closing mechanism and the second closing mechanism.

[0019] A spiral pipe is fixedly arranged on the second closing mechanism.

[0020] A circulating mechanism is arranged on the oil-immersed transformer box and the circulating cooling box and fixedly connected with the oil-immersed transformer box and the circulating cooling box.

[0021] Preferably, the isolation mechanism comprises:

[0022] Two isolation shells are arranged on the support plate.

[0023] Four vertical columns are fixedly arranged on the isolation shells and slidably connected with the H-shaped fixing blocks.

[0024] Four L-shaped plates are arranged on the isolation shells and fixedly connected with the isolation shells, and the L-shaped plates are slidably connected with the H-shaped fixing blocks.

[0025] Preferably, the first closing mechanism comprises:

[0026] The first fixed column is provided with two, one of which is fixedly arranged on the first oil outlet pipe, and the other is arranged on the second oil inlet pipe and fixedly connected with the second oil inlet pipe;

[0027] The annular column is provided with two, which are fixedly arranged on the first fixed column.

[0028] Preferably, the connecting mechanism comprises:

[0029] The fixed plate is provided with two, which are arranged on the first fixed column;

[0030] The sliding column is provided with a plurality of, which are fixedly arranged on the fixed plate and slidably connected with the first fixed column;

[0031] The lifting block is provided with two, which are fixedly arranged on the fixed plate.

[0032] Preferably, the second closing mechanism comprises:

[0033] The second fixed column is provided with two, which are arranged on the spiral pipe and fixedly connected with the spiral pipe; and slidably connected with the annular column;

[0034] The connecting groove is provided with two, which are arranged on the second fixed column;

[0035] The sealing ring is provided with two, which are arranged in the connecting groove and used for preventing oil from leaking out of the connection between the first closing mechanism and the second closing mechanism.

[0036] Preferably, the circulating mechanism comprises:

[0037] The positioning plate is fixedly arranged on the oil-immersed transformer box;

[0038] The oil tank is arranged on the positioning plate and fixedly connected with the positioning plate;

[0039] The first oil inlet pipe is arranged on the oil-immersed transformer box, one end of the first oil inlet pipe is fixedly connected with the oil-immersed transformer box, and the other end of the first oil inlet pipe is fixedly connected with the oil tank;

[0040] The circulating oil pump is fixedly arranged on the oil tank;

[0041] The second oil outlet pipe is fixedly arranged on the circulating oil pump, and the second oil outlet pipe is fixedly connected with the circulating cooling tank.

[0042] Preferably, the sliding column is in sliding connection with the second fixed column; and the sliding groove is arranged on the first fixed column and the second fixed column.

[0043] In summary, due to the adoption of the above technical solutions, the present application has the following advantages:

[0044] Through the cooperation between the first sealing mechanism, the second sealing mechanism, the sliding groove and the connecting mechanism, the spiral pipe is no longer tightly connected with the first oil outlet pipe and the second oil inlet pipe, so that the spiral pipe can be easily taken down by artificial for replacement and cleaning; the pipe blockage is prevented to cause the heat dissipation effect to be reduced, thereby affecting the cooling effect; through the cooperation between the hook-shaped fixing block and the isolation mechanism, the isolation shell can be easily taken down, thereby improving the efficiency of replacing the spiral pipe. BRIEF DESCRIPTION OF DRAWINGS

[0045] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0046] Figure 1 A perspective structural schematic view of the cooling circulation protection device for oil-immersed transformer is shown.

[0047] Figure 2 A partial perspective structural schematic view of the cooling circulation protection device for oil-immersed transformer is shown.

[0048] Figure 3 A front view of the cooling circulation protection device for oil-immersed transformer is shown.

[0049] Figure 4 A right view of the cooling circulation protection device for oil-immersed transformer is shown.

[0050] Figure 5 A left view of the cooling circulation protection device for oil-immersed transformer is shown.

[0051] Figure 6 A perspective structural schematic view of the first sealing mechanism, the connecting mechanism, the sliding groove and the second sealing mechanism is shown.

[0052] Figure 7 An exploded schematic view of Figure 6 is shown.

[0053] LEGEND:

[0054] 1, mounting plate; 2, support plate; 3, oil-immersed transformer box; 4, isolation plate; 5, circulating cooling box; 6, hui-zi-shaped fixing block; 7, first oil outlet pipe; 8, second oil inlet pipe; 9, sliding groove; 10, spiral pipe; 11, isolation shell; 12, stand; 13, L-shaped plate; 14, first fixing column; 15, annular column; 16, fixing plate; 17, sliding column; 18, lifting block; 19, second fixing column; 20, connecting groove; 21, sealing ring; 22, positioning plate; 23, oil tank; 24, first oil inlet pipe; 25, circulating oil pump; 26, second oil outlet pipe. DETAILED DESCRIPTION

[0055] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0056] In the description of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0057] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected to" another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and the like used herein are for illustrative purposes only.

[0058] In addition, the terms "first", "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified.

[0059] REFERENCE Figures 1 to 7The utility model discloses a cooling circulation protection device for oil immersed transformer further illustrates the embodiment of the utility model.

[0060] A cooling circulation protection device for oil immersed transformer, including mounting plate 1 and support plate 2, still include:

[0061] Oil immersed transformer box 3 is fixedly arranged on the mounting plate 1;

[0062] Isolation plate 4 is arranged on the oil immersed transformer box 3, and is fixedly connected with the oil immersed transformer box 3;For isolating oil immersed transformer box 3 and circulating cooling box 5;

[0063] Circulating cooling box 5 is fixedly arranged on the isolation plate 4;

[0064] The back-shaped fixed block 6 is equipped with eight, four back-shaped fixed blocks 6 are arranged on the oil immersed transformer box 3, and are fixedly connected with the oil immersed transformer box 3, and four back-shaped fixed blocks 6 are fixedly arranged on the circulating cooling box 5;For limiting the moving position of stand column 12 and L-shaped plate 13, play a supporting isolation mechanism's role, thereby the position of isolation shell 11 is fixed, and then the installation and disassembly of the isolation mechanism are realized;

[0065] Refer to Figure 1 And Figure 2 As a preferred embodiment, the isolation mechanism is provided with two, and the two isolation devices are arranged on the support plate 2 and are slidably connected with the back-shaped fixed block 6;The isolation mechanism includes:

[0066] Isolation shell 11 is provided with two, and the two isolation shells 11 are arranged on the support plate 2;

[0067] Stand column 12 is provided with four, and the four stand columns 12 are fixedly arranged on the isolation shell 11 and are slidably connected with the back-shaped fixed block 6;For limiting the position of isolation shell 11 with back-shaped fixed block 6 cooperation;

[0068] L-shaped plate 13 is provided with four, and the four L-shaped plates 13 are arranged on the isolation shell 11 and are fixedly connected with the isolation shell 11, and the L-shaped plate 13 is slidably connected with the back-shaped fixed block 6. For limiting the position of isolation shell 11 with back-shaped fixed block 6 cooperation;

[0069] The isolation mechanism is used for isolating the first oil outlet pipe 7, the second oil outlet pipe 26, the first sealing mechanism, the connecting mechanism, the second sealing mechanism, the threaded pipe and the circulating mechanism from the outside, to prevent the factors from the outside from damaging the cooling circulation protection device for oil immersed transformer;

[0070] The first oil outlet pipe 7 is fixedly arranged on the oil-immersed transformer box 3, and is used for transporting oil into the spiral pipe 10 and providing a support for the first sealing mechanism.

[0071] The second oil inlet pipe 8 is arranged on the circulating cooling box 5 and is fixedly connected with the circulating cooling box 5, and is used for transporting oil into the circulating cooling box 5 and providing a support for the first sealing mechanism.

[0072] With reference to Figure 3 , Figure 6 and Figure 7 , as a preferred embodiment, the first sealing mechanism is provided with two, one of which is arranged on the first oil outlet pipe 7 and is fixedly connected with the first oil outlet pipe 7, and the other is fixedly arranged on the second oil inlet pipe 8, and the first sealing mechanism comprises:

[0073] The first fixed column 14 is provided with two, one of which is fixedly arranged on the first oil outlet pipe 7, and the other is arranged on the second oil inlet pipe 8 and is fixedly connected with the second oil inlet pipe 8.

[0074] The annular column 15 is provided with two, and the two annular columns 15 are fixedly arranged on the first fixed column 14.

[0075] The first sealing mechanism is used for cooperating with the second sealing mechanism to seal and connect the first oil outlet pipe 7 and the spiral pipe 10, and to seal and connect the second oil inlet pipe 8 and the spiral pipe 10.

[0076] With reference to Figure 6 and Figure 7 , as a preferred embodiment, the connecting mechanism is arranged on the first sealing mechanism and is slidingly connected with the first sealing mechanism, and the connecting mechanism comprises:

[0077] The fixed plate 16 is provided with two, and the two fixed plates 16 are arranged on the first fixed column 14.

[0078] The sliding column 17 is provided with a plurality of, and the plurality of sliding columns 17 are fixedly arranged on the fixed plate 16 and are slidingly connected with the first fixed column 14.

[0079] The lifting block 18 is provided with two, and the two lifting blocks 18 are fixedly arranged on the fixed plate 16.

[0080] When the spiral pipe 10 needs to be replaced, the lifting block 18 is manually lifted, the lifting block 18 drives the fixed plate 16 to rise, the fixed plate 16 drives the sliding column 17 to rise, and the sliding block moves out of the sliding groove 9, thereby reducing the fixation between the first sealing mechanism and the second sealing mechanism, making the connection between the first sealing mechanism and the second sealing mechanism not tight enough, so that the spiral pipe 10 can be easily removed for replacement or cleaning; the connecting mechanism is used to connect and fix the positions of the first fixed column 14 and the second fixed column 19, to further prevent the connection between the first sealing mechanism and the second sealing mechanism from being not tight enough, and to prevent oil leakage;

[0081] Referring to Figure 6 and Figure 7 , as a preferred embodiment, the second sealing mechanism is provided with two, and the two second sealing mechanisms are arranged on the connecting mechanism; the second sealing mechanism comprises:

[0082] The second fixed column 19 is provided with two, and the two second fixed columns 19 are arranged on the spiral pipe 10 and fixedly connected with the spiral pipe 10; and the second fixed column 19 is in sliding connection with the annular column 15;

[0083] The connecting groove 20 is provided with two, and the two connecting grooves 20 are arranged on the second fixed column 19;

[0084] The sealing ring 21 is provided with two, and the two sealing rings 21 are arranged in the connecting groove 20, used to prevent oil from leaking out of the connection between the first sealing mechanism and the second sealing mechanism. used to cooperate with the first sealing mechanism to prevent oil leakage;

[0085] The sliding groove 9 is provided with a plurality of, and the plurality of sliding grooves 9 are arranged on the first sealing mechanism and the second sealing mechanism. used for the movement of the sliding column 17, so that the connecting mechanism is tightly connected with the first sealing mechanism and the second sealing mechanism;

[0086] The spiral pipe 10 is fixedly arranged on the second sealing mechanism;

[0087] Referring to Figure 3 and Figure 5 , as a preferred embodiment, the circulating mechanism is arranged on the oil-immersed transformer tank 3 and the circulating cooling tank 5, fixedly connected with the oil-immersed transformer tank 3 and fixedly connected with the circulating cooling tank 5. The circulating mechanism comprises:

[0088] The positioning plate 22 is fixedly arranged on the oil-immersed transformer tank 3; used to support the oil tank 23;

[0089] The oil tank 23 is arranged on the positioning plate 22 and fixedly connected with the positioning plate 22; used to support the circulating oil pump 25;

[0090] The first oil inlet pipe 24 is arranged on the oil-immersed transformer box 3, one end of the first oil inlet pipe 24 is fixedly connected with the oil-immersed transformer box 3, and the other end of the first oil inlet pipe 24 is fixedly connected with the oil tank 23; and the first oil inlet pipe 24 is used for connecting the oil-immersed transformer box 3 and the oil tank 23.

[0091] The circulating oil pump 25 is fixedly arranged on the oil tank 23.

[0092] The second oil outlet pipe 26 is fixedly arranged on the circulating oil pump 25, and the second oil outlet pipe 26 is fixedly connected with the circulating cooling box 5; and the second oil outlet pipe 26 is used for connecting the circulating cooling box 5 and the circulating oil pump 25.

[0093] The sliding column 17 is in sliding connection with the second fixed column 19, and the sliding groove 9 is arranged on the first fixed column 14 and the second fixed column 19.

[0094] Working principle: the isolation shell 11 is lifted manually, the isolation shell 11 drives the vertical column 12 and the L-shaped plate 13 to rise, the vertical column 12 and the L-shaped plate 13 are moved out of the character-shaped fixed block 6, and the isolation shell 11 is disassembled; the circulating oil pump 25 is started, the circulating oil pump 25 extracts high-temperature oil in the oil-immersed transformer box 3 into the oil tank 23 through the first oil inlet pipe 24, and then enters the circulating cooling box 5 through the second oil outlet pipe 26, enters the spiral pipe 10 through the second oil inlet pipe 8, enters the first oil outlet pipe 7 through the spiral pipe 10, and then enters the oil-immersed transformer box 3 through the first oil outlet pipe 7 to form a circulation; when the spiral pipe 10 needs to be replaced, the lifting block 18 is lifted manually, the lifting block 18 drives the fixed plate 16 to rise, the fixed plate 16 drives the sliding column 17 to rise, the sliding block is moved out of the sliding groove 9, the connection between the first sealing mechanism and the second sealing mechanism is not tight enough, the spiral pipe 10 can be easily taken down by manually moving the spiral pipe 10, and the spiral pipe 10 is replaced or cleaned.

[0095] The above description of the embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Accordingly, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cooling circulation protection device for oil-immersed transformers, comprising a mounting plate (1) and a support plate (2), characterized in that, Also include: Oil-immersed transformer box (3) is fixedly arranged on the mounting plate (1); Isolation plate (4) is arranged on the oil-immersed transformer box (3) and is fixedly connected with the oil-immersed transformer box (3); Circulating cooling box (5) is fixedly arranged on the isolation plate (4); The back-shaped fixing block (6) is provided with eight, four back-shaped fixing blocks (6) are arranged on the oil-immersed transformer box (3) and are fixedly connected with the oil-immersed transformer box (3), and four back-shaped fixing blocks (6) are fixedly arranged on the circulating cooling box (5); Two isolation mechanisms are arranged on the support plate (2) and are slidably connected with the back-shaped fixing block (6); The first oil outlet pipe (7) is fixedly arranged on the oil-immersed transformer box (3); The second oil inlet pipe (8) is arranged on the circulating cooling box (5) and is fixedly connected with the circulating cooling box (5); Two first closing mechanisms are arranged on the first oil outlet pipe (7) and are fixedly connected with the first oil outlet pipe (7), and the other first closing mechanism is fixedly arranged on the second oil inlet pipe (8); The connecting mechanism is arranged on the first closing mechanism and is slidably connected with the first closing mechanism; Two second closing mechanisms are arranged on the connecting mechanism; A plurality of sliding grooves (9) are arranged on the first closing mechanism and the second closing mechanism; The spiral pipe (10) is fixedly arranged on the second closing mechanism; The circulating mechanism is arranged on the oil-immersed transformer box (3) and the circulating cooling box (5), is fixedly connected with the oil-immersed transformer box (3) and is fixedly connected with the circulating cooling box (5).

2. A cooling circulation protection device for an oil-immersed transformer according to claim 1, characterized by The isolation mechanism comprises: Two isolation shells (11) are arranged on the support plate (2); Four vertical columns (12) are fixedly arranged on the isolation shell (11) and are slidably connected with the back-shaped fixing block (6); Four L-shaped plates (13) are arranged on the isolation shell (11) and are fixedly connected with the isolation shell (11), and the L-shaped plate (13) is slidably connected with the back-shaped fixing block (6).

3. A cooling circulation protection device for an oil-immersed transformer according to claim 2, characterized by The first closing mechanism comprises: Two first fixed columns (14) are fixedly arranged on the first oil outlet pipe (7) and the second oil inlet pipe (8) and are fixedly connected with the second oil inlet pipe (8); Two annular columns (15) are fixedly arranged on the first fixed column (14).

4. A cooling circulation protection device for an oil-immersed transformer according to claim 3, characterized by The connecting mechanism comprises: Two fixed plates (16) are arranged on the first fixed column (14); A plurality of sliding columns (17) are fixedly arranged on the fixed plate (16) and are slidably connected with the first fixed column (14); The lifting block (18) is provided with two, and the two lifting blocks (18) are fixedly arranged on the fixed plate (16).

5. A cooling circulation protection device for an oil-immersed transformer according to claim 4, characterized by The second sealing mechanism comprises: The second fixed column (19) is provided with two, and the two second fixed columns (19) are arranged on the spiral pipe (10) and are fixedly connected with the spiral pipe (10); and the second fixed column (19) is slidably connected with the annular column (15). The connecting groove (20) is provided with two, and the two connecting grooves (20) are arranged on the second fixed column (19). The sealing ring (21) is provided with two, and the two sealing rings (21) are arranged in the connecting groove (20) and are used for preventing oil from leaking out of the connection between the first sealing mechanism and the second sealing mechanism.

6. A cooling circulation protection device for an oil-immersed transformer according to claim 5, characterized by The circulating mechanism comprises: The positioning plate (22) is fixedly arranged on the oil-immersed transformer box (3); The oil tank (23) is arranged on the positioning plate (22) and is fixedly connected with the positioning plate (22); The first oil inlet pipe (24) is arranged on the oil-immersed transformer box (3), one end of the first oil inlet pipe (24) is fixedly connected with the oil-immersed transformer box (3), and the other end of the first oil inlet pipe (24) is fixedly connected with the oil tank (23); The circulating oil pump (25) is fixedly arranged on the oil tank (23); The second oil outlet pipe (26) is fixedly arranged on the circulating oil pump (25), and the second oil outlet pipe (26) is fixedly connected with the circulating cooling box (5).

7. A cooling circulation protection device for an oil-immersed transformer according to claim 6, characterized by The sliding column (17) is slidably connected with the second fixed column (19); and the sliding groove (9) is arranged on the first fixed column (14) and the second fixed column (19).

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