A detachable heat dissipation assembly of an oil-immersed transformer

Abstract

The utility model relates to a detachable heat dissipation assembly of oil -immersed transformer, including oil -immersed transformer body and a plurality of heat dissipation rib -plates, still including the heat dissipation board of vertical installation on the outer surface of oil -immersed transformer body, a plurality of heat dissipation rib -plates are installed in the side of heat dissipation board away from oil -immersed transformer body, and every two adjacent heat dissipation rib -plates are spaced apart and set, and the side of heat dissipation board close to oil -immersed transformer body is detachably fixedly connected with oil -immersed transformer body through adjusting connecting piece, and heat dissipation board can adjust position on oil -immersed transformer body through adjusting connecting piece, the side of heat dissipation board close to oil -immersed transformer body still is installed with the heat conduction board of parallel arrangement of heat dissipation board, the utility model discloses when using, can replace heat dissipation rib -plate conveniently, secondly, still can conveniently adjust heat dissipation rib -plate to the appropriate position, so as to use conveniently.

Description

Technical Field

[0001] This utility model belongs to the field of heat dissipation equipment technology, and in particular relates to a detachable heat dissipation component for an oil-immersed transformer. Background Technology

[0002] Because oil-immersed transformers generate a certain amount of heat during operation, heat dissipation components need to be installed on all existing oil-immersed transformers. Specifically, during use, the heat dissipation components can maintain the normal operating temperature of the oil-immersed transformer.

[0003] The existing heat dissipation components installed on small oil-immersed transformers are mostly multiple heat dissipation fins installed on the outer surface of the oil-immersed transformer. They are usually welded directly to the oil-immersed transformer. During use, heat can be dissipated through the tank wall of the oil-immersed transformer by natural cooling, and the heat dissipation fins increase the heat dissipation area to exchange heat with the surrounding air.

[0004] However, during long-term use, when the heat dissipation fins are accidentally damaged and need to be replaced, hot work such as cutting and secondary welding must be carried out, which poses a risk of deformation to the oil-immersed transformer. In addition, when the oil-immersed transformer is installed at a high place, it is even more inconvenient to replace the heat dissipation fins, making it inconvenient to use. Therefore, there are still shortcomings and deficiencies in the existing technology. Utility Model Content

[0005] The purpose of this invention is to provide a detachable heat dissipation component for an oil-immersed transformer to solve the problems mentioned in the background art.

[0006] The technical solution adopted by this utility model to solve the above problems is as follows: A detachable heat dissipation assembly for an oil-immersed transformer includes an oil-immersed transformer body and several heat dissipation fins, and also includes a heat dissipation plate vertically mounted on the outer surface of the oil-immersed transformer body. The several heat dissipation fins are mounted on the side of the heat dissipation plate away from the oil-immersed transformer body, and are spaced apart from each pair of adjacent heat dissipation fins. The side of the heat dissipation plate close to the oil-immersed transformer body is detachably and fixedly connected to the oil-immersed transformer body through an adjusting connector, and the position of the heat dissipation plate on the oil-immersed transformer body can be adjusted by adjusting the connector. A heat-conducting plate, arranged parallel to the heat sink, is also installed on the side of the heat sink near the body of the oil-immersed transformer.

[0007] Furthermore, the number of the adjusting connectors is four sets, symmetrically distributed at the four corners of the heat sink. Each set of adjusting connectors includes a U-shaped mounting plate with a U-shaped opening facing the heat sink and capable of being fixed to the outer surface of the oil-immersed transformer. A connecting plate is fixedly mounted on the side of the U-shaped mounting plate near the heat sink. Each connecting plate has a horizontally distributed first oblong through hole. Connecting bolts are provided between the four corners of the heat sink and the connecting plate. The screw end of the connecting bolt passes through the heat sink and then through the first oblong through hole and through the connecting plate. The screw end of the connecting bolt is threaded with a nut located inside the U-shaped mounting plate.

[0008] Furthermore, the threaded end of the connecting bolt passes through the heat sink through a second oblong through hole opened on the heat sink, and the second oblong through hole is vertically distributed.

[0009] Furthermore, a frame structure parallel to and opposite to the heat sink is provided outside the heat sink. The four corners of the frame structure are connected to the heat sink via connecting rods. Each heat sink rib is vertically distributed and detachably installed between the frame structure and the heat sink.

[0010] Furthermore, the heat sink plate has several first sliding grooves on the side near the frame structure, which are equal in number and opposite in position to the heat sink ribs. The top of the first sliding groove is flush with the top surface of the heat sink plate, and the bottom of the first sliding groove is higher than the bottom surface of the heat sink plate. The frame structure has several second sliding grooves on the side near the heat sink plate, which are equal in number and opposite in position to the heat sink ribs. The top of the second sliding groove is flush with the top surface of the frame structure, and the bottom of the second sliding groove is higher than the bottom surface of the frame structure. The two sides of the heat sink ribs are slidably connected to the first sliding grooves and the second sliding grooves, respectively.

[0011] Furthermore, the top surface of the frame structure is flush with the top surface of the heat sink, and an annular cover plate is detachably and fixedly connected between the top surface of the frame structure and the top surface of the heat sink.

[0012] The beneficial effects of this utility model by adopting the above technical solution are as follows: In use, this invention allows for the detachable installation of the heat dissipation plate onto the oil-immersed transformer body via adjustable connectors, facilitating the installation of heat dissipation fins on the transformer body. Furthermore, when the heat dissipation fins need replacement, they can be removed and moved away from the transformer body before replacement to avoid hot work at heights and reduce the risk of transformer body deformation. This facilitates heat dissipation fin replacement and improves usability. Secondly, the adjustable connectors allow for adjustment of the heat dissipation plate's position on the transformer body, ensuring the fins are positioned appropriately. Finally, the heat-conducting plate fills the gap between the heat dissipation plate and the transformer body. During operation, the heat generated by the transformer body is dissipated through the transformer tank walls and then conducted to the heat dissipation plate via the heat-conducting plate, before being further dissipated through the heat dissipation fins, thus achieving natural cooling of the transformer body. Attached Figure Description

[0013] Figure 1 This is one of the structural schematic diagrams of this utility model; Figure 2 This is the second structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the structure of this utility model in its split state; Figure 4 for Figure 3 A magnified structural diagram of part A in the middle; Figure 5 This is one of the schematic diagrams of a portion of the structure of this utility model; Figure 6 This is the second schematic diagram of a portion of the structure of this utility model.

[0014] Reference numerals: 1. Heat dissipation fin plate; 2. Heat dissipation plate; 21. Second oblong through hole; 22. First slide groove; 3. Adjustment connector; 31. U-shaped mounting plate; 32. Connecting plate; 33. First oblong through hole; 34. Connecting bolt; 35. Nut; 4. Heat conduction plate; 5. Frame structure; 51. Second slide groove; 6. Annular cover plate; 7. Connecting rod. Detailed Implementation

[0015] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0016] like Figures 1 to 6As shown, this utility model provides a detachable heat dissipation assembly for an oil-immersed transformer, including an oil-immersed transformer body and several heat dissipation fins 1. Specifically, both the oil-immersed transformer body and the heat dissipation fins 1 are existing technologies, and the heat dissipation fins 1 can be made of aluminum alloy. In addition, this utility model also includes a heat dissipation plate 2 vertically installed on the outer surface of the oil-immersed transformer body, and the heat dissipation plate 2 can also be made of aluminum alloy. Several heat dissipation fins 1 are installed on the side of the heat dissipation plate 2 away from the oil-immersed transformer body, and there is a gap between every two adjacent heat dissipation fins 1. The side of the heat dissipation plate 2 closest to the oil-immersed transformer body is detachably and fixedly connected to the oil-immersed transformer body through an adjusting connector 3, and the position of the heat dissipation plate 2 can be adjusted on the oil-immersed transformer body through the adjusting connector 3.

[0017] Specifically, during use, the heat sink 2 can be detachably installed on the oil-immersed transformer body by adjusting the connecting piece 3, so as to facilitate the installation of the heat sink fin plate 1 on the oil-immersed transformer body. During use, when it is necessary to replace the heat sink fin plate 1, the heat sink 2 can be removed and moved away from the oil-immersed transformer body before replacement, so as to avoid hot work at height and reduce the risk of deformation of the oil-immersed transformer body, thus facilitating the replacement of the heat sink fin plate 1 for use. Secondly, by setting the adjusting connecting piece 3, the position of the heat sink 2 on the oil-immersed transformer body can also be adjusted so as to adjust the heat sink fin plate 1 to a suitable position.

[0018] Finally, a heat-conducting plate 4 is also installed on the side of the heat sink 2 near the oil-immersed transformer body, which is parallel to the heat sink 2. Specifically, the heat-conducting plate 4 can be made of aluminum alloy. During production, the heat-conducting plate 4 and the heat sink 2 can be fixedly connected as an integral structure; or the heat-conducting plate 4 can be installed on the heat sink 2 using countersunk screws at all four corners. In addition, when the heat sink 2 is installed on the oil-immersed transformer body by adjusting the connecting piece 3, the side of the heat-conducting plate 4 away from the heat sink 2 can be in close contact with the outer surface of the oil-immersed transformer body.

[0019] After the heat sink 2 is installed on the oil-immersed transformer body, the gap between the heat sink 2 and the oil-immersed transformer body can be filled by setting the heat conduction plate 4. In this way, the heat generated by the oil-immersed transformer body during operation can be dissipated through the tank wall of the oil-immersed transformer body and then conducted to the heat sink 2 through the heat conduction plate 4. Then, it can be dissipated through the heat dissipation fin plate 1 to dissipate heat from the oil-immersed transformer body through natural cooling.

[0020] The specific settings for adjusting connector 3 are as follows: Figures 1 to 4 and Figure 6As shown, there are four sets of adjusting connectors 3, symmetrically distributed at the four corners of the heat sink 2. Each set of adjusting connectors 3 includes a U-shaped mounting plate 31 with a U-shaped opening facing the heat sink 2 and capable of being fixed to the outer surface of the oil-immersed transformer. Specifically, in use, the U-shaped mounting plate 31 can be fixed to the outer surface of the oil-immersed transformer body by means of bolt connection, so as to fix the adjusting connectors 3 to the oil-immersed transformer body; and during installation, the four sets of adjusting connectors 3 are respectively located outside the four corners of the heat conduction plate 4.

[0021] In addition, a connecting plate 32 is fixedly mounted on the side of the U-shaped mounting plate 31 near the heat sink 2. Each connecting plate 32 has a horizontally distributed first oblong through hole 33. Connecting bolts 34 are provided between the four corners of the heat sink 2 and the connecting plate 32. The screw end of the connecting bolt 34 passes through the heat sink 2 and then through the first oblong through hole 33 through the connecting plate 32. The screw end of the connecting bolt 34 is threaded with a nut 35 located in the U-shaped mounting plate 31. The U-shaped mounting plate 31 has operating space for removing and installing the nut 35. Specifically, after the adjusting connector 3 is installed on the oil-immersed transformer body, the first oblong through holes 33 are horizontally distributed. Then the heat sink 2 is installed. When the nut 35 is tightened against the connecting plate 32 and the head of the connecting bolt 34 is tightened against the heat sink 2, the heat sink 2 can be fixed on the oil-immersed transformer body. This makes it easy to remove and install the heat sink 2 on the oil-immersed transformer body, so as to remove and install the heat sink fin plate 1.

[0022] In addition, such as Figure 2 As shown, the thickness of the heat-conducting plate 4 can be set to be slightly greater than the distance between the side of the U-shaped mounting plate 31 away from the heat sink 2 and the heat sink 2. In this way, when the heat sink 2 is installed on the adjusting connector 3 by connecting bolts 34 and nuts 35, the heat-conducting plate 4 can be tightly attached to the outer surface of the oil-immersed transformer body.

[0023] Secondly, by opening the first waist-shaped through hole 33, the position of the heat dissipation plate 2 can be adjusted in the horizontal direction to a certain extent, so as to adjust the horizontal position of the heat dissipation fin plate 1 on the oil-immersed transformer body.

[0024] Furthermore, such as Figure 1 and Figures 3 to 5 As shown, the screw end of the connecting bolt 34 passes through the heat sink 2 through the second oblong through hole 21 opened on the heat sink 2. The second oblong through hole 21 is vertically distributed. Specifically, by opening the second oblong through hole 21, the position of the heat sink 2 can be adjusted in the vertical direction to a certain extent, so as to adjust the vertical position of the heat sink fin plate 1 on the oil-immersed transformer body. In this way, in conjunction with the first oblong through hole 33, the heat sink fin plate 1 can be easily adjusted into place on the oil-immersed transformer body.

[0025] Furthermore, such as Figures 1 to 3 and Figure 5 As shown, a frame structure 5 is provided outside the heat sink 2, which is parallel to and opposite to the heat sink 2. The four corners of the frame structure 5 are connected to the heat sink 2 by connecting rods 7. Each heat sink fin plate 1 is vertically distributed and can be detachably installed between the frame structure 5 and the heat sink 2. In this way, compared with the replacement method of heat sink fin plate 1 in the prior art, which requires cutting and secondary welding, it is easier to disassemble and assemble the heat sink fin plate 1 for use.

[0026] Furthermore, such as Figures 1 to 3 and Figure 5 As shown, the heat sink 2 has several first grooves 22 on the side near the frame structure 5, the same number as the heat sink fins 1 and positioned opposite each other. The top of the first groove 22 is flush with the top surface of the heat sink 2, and the bottom of the first groove 22 is higher than the bottom surface of the heat sink 2. The frame structure 5 has several second grooves 51 on the side near the heat sink 2, the same number as the heat sink fins 1 and positioned opposite each other. The top of the second groove 51 is flush with the top surface of the frame structure 5, and the bottom of the second groove 51 is higher than the bottom surface of the frame structure 5. The heat sink fins 1 are located on both sides. The heat dissipation fin plate 1 is slidably connected to the first slide groove 22 and the second slide groove 51 respectively. Specifically, during use, the two sides of the heat dissipation fin plate 1 are located in the first slide groove 22 and the second slide groove 51 respectively. The side of the heat dissipation fin plate 1 closest to the frame structure 5 is slidably connected to the frame structure 5 through the second slide groove 51, while the other side of the heat dissipation fin plate 1 is slidably connected to the heat dissipation plate 2 through the first slide groove 22. Since the part of the heat dissipation fin plate 1 located in the first slide groove 22 is in contact with the heat dissipation plate 2, it does not affect the heat transfer from the heat dissipation plate 2 to the heat dissipation fin plate 1 during use.

[0027] In addition, once the heat dissipation fin plate 1 is installed in place, the bottom of the sliding groove can prevent the heat dissipation fin plate 1 from falling or dropping. The sliding connection makes it easy to disassemble and install the heat dissipation fin plate 1. Since there is a gap between each pair of adjacent heat dissipation fin plates 1, they can be disassembled and installed without affecting each other. Therefore, when one of the heat dissipation fin plates 1 needs to be replaced, only the corresponding heat dissipation fin plate 1 needs to be disassembled and installed for replacement.

[0028] Furthermore, such as Figures 1 to 3 As shown, the top surface of the frame structure 5 is flush with the top surface of the heat sink 2, and an annular cover plate 6 is detachably and fixedly connected between the top surface of the frame structure 5 and the top surface of the heat sink 2. Specifically, the four corners of the annular cover plate 6 are connected to the heat sink 2 and the frame structure 5 respectively by bolts, which facilitates the disassembly and assembly of the annular cover plate 6. By setting the annular cover plate 6, each heat sink fin plate 1 can be prevented from moving upward at will. In addition, ventilation holes can be opened on each heat sink fin plate 1 to facilitate air circulation and heat dissipation between the heat sink fin plates 1.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A detachable heat dissipation assembly for an oil-immersed transformer, comprising an oil-immersed transformer body and a plurality of heat dissipation fins, characterized in that: It also includes a heat dissipation plate that is vertically installed on the outer surface of the oil-immersed transformer body. Several heat dissipation fins are installed on the side of the heat dissipation plate away from the oil-immersed transformer body, and there is a gap between every two adjacent heat dissipation fins. The side of the heat dissipation plate close to the oil-immersed transformer body is detachably and fixedly connected to the oil-immersed transformer body through an adjusting connector, and the position of the heat dissipation plate can be adjusted on the oil-immersed transformer body through the adjusting connector. A heat-conducting plate, arranged parallel to the heat sink, is also installed on the side of the heat sink near the body of the oil-immersed transformer.

2. The detachable heat dissipation assembly for an oil-immersed transformer according to claim 1, characterized in that: The number of the adjusting connectors is four sets, symmetrically distributed at the four corners of the heat sink. Each set of adjusting connectors includes a U-shaped mounting plate with a U-shaped opening facing the heat sink and capable of being fixed to the outer surface of the oil-immersed transformer. A connecting plate is fixedly installed on the side of the U-shaped mounting plate near the heat sink. Each connecting plate has a horizontally distributed first waist-shaped through hole. Connecting bolts are provided between the four corners of the heat sink and the connecting plate. The screw end of the connecting bolt passes through the heat sink and then through the first waist-shaped through hole and through the connecting plate. The screw end of the connecting bolt is threaded with a nut located inside the U-shaped mounting plate.

3. The detachable heat dissipation assembly for an oil-immersed transformer according to claim 2, characterized in that: The threaded end of the connecting bolt passes through the heat sink through a second oblong through hole, which is vertically distributed.

4. The detachable heat dissipation assembly for an oil-immersed transformer according to claim 1, characterized in that: The heat sink is surrounded by a frame structure that is parallel to and opposite to the heat sink. The four corners of the frame structure are connected to the heat sink by connecting rods. Each heat sink rib is vertically distributed and can be detachably installed between the frame structure and the heat sink.

5. A detachable heat dissipation assembly for an oil-immersed transformer according to claim 4, characterized in that: The heat sink plate has several first sliding grooves on the side near the frame structure, which are equal in number and opposite in position to the heat sink ribs. The top of the first sliding groove is flush with the top surface of the heat sink plate, and the bottom of the first sliding groove is higher than the bottom surface of the heat sink plate. The frame structure has several second sliding grooves on the side near the heat sink plate, which are equal in number and opposite in position to the heat sink ribs. The top of the second sliding groove is flush with the top surface of the frame structure, and the bottom of the second sliding groove is higher than the bottom surface of the frame structure. The two sides of the heat sink ribs are slidably connected to the first sliding grooves and the second sliding grooves, respectively.

6. A detachable heat dissipation assembly for an oil-immersed transformer according to claim 5, characterized in that: The top surface of the frame structure is flush with the top surface of the heat sink, and an annular cover plate is detachably and fixedly connected between the top surface of the frame structure and the top surface of the heat sink.

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