A cooling protection mechanism for oil-immersed transformer

Abstract

The utility model discloses a cooling protection mechanism for an oil-immersed transformer, including a transformer, a protection frame and a water-cooling protection cover. Both sides of the transformer are provided with protection frames that are perpendicular to each other. Both sides of the transformer are provided with detachable water-cooling protection covers. A cold air cover is provided in the middle of the outer side of the water-cooling protection cover. A fan is provided inside the cold air cover. Both ends of the water-cooling protection cover are provided with fixing frames. The utility model has a protection frame provided on the outer side of the transformer, through which the outer side of the transformer can be protected, and the protection frame can guide cold water so that the cold water can be respectively around the transformer, so that the cooling effect of the transformer can be greatly improved; water-cooling protection covers are provided on both sides of the transformer, through which the two sides of the transformer can be protected, fixing frames are provided at both ends of the transformer, and suction cups are provided at both ends of the fixing frames, which are convenient for installation and fixing by adsorption.

Description

Technical Field

[0001] The utility model relates to the relevant field of a cooling and protecting mechanism for an oil-immersed transformer, in particular to a cooling and protecting mechanism for an oil-immersed transformer. Background Art

[0002] The cooling protection mechanism for oil-immersed transformer is used to cool and protect the oil-immersed transformer. The oil-immersed transformer is a transformer that relies on oil as a cooling medium. The oil-immersed transformer generally consists of two parts: the body and the oil tank. Usually, three cooling methods are adopted: oil-immersed self-cooling, oil-immersed air cooling and forced oil circulation.

[0003] For example, the authorized patent with publication number CN208422609U (oil-immersed transformer for heat dissipation): includes an oil-immersed transformer body, a box, high-voltage terminals, low-voltage terminals, a support base and an oil drain pipe. The top of the oil-immersed transformer body is provided with high-voltage terminals and low-voltage terminals. The left part of the high-voltage terminals is provided with an oil level gauge. Boxes are provided on both sides of the oil-immersed transformer body. A cooling fan is installed at the front of the box. An oil drain pipe is provided at the bottom right of the oil-immersed transformer body. A reinforcing rib is welded to the bottom of the reinforcing rib. A sliding track is welded to the bottom of the reinforcing rib. Shock-absorbing support columns are distributed at the bottom of the sliding track. A support base is welded to the bottom of the shock-absorbing support column. A telescopic rod is welded in the middle of the shock-absorbing support column. The oil-immersed transformer for heat dissipation cools the oil-immersed transformer body, effectively dissipates heat in all directions, and makes the support more stable.

[0004] The above-mentioned prior art adopts heat dissipation strips for heat dissipation. This heat dissipation method cannot actually recover heat, and the heat dissipation is not comprehensive enough to fully cool and protect the transformer. The protection ability is insufficient, the functionality is not comprehensive enough, and the assembly of the cooling mechanism and the transformer is not convenient enough, and it is not convenient to disassemble. Utility Model Content

[0005] The utility model aims to provide a cooling and protection mechanism for an oil-immersed transformer, so as to solve the problem that the heat dissipation method proposed in the above-mentioned background technology adopts heat dissipation strips for heat dissipation, such heat dissipation method cannot actually recover the heat, and the heat dissipation is not comprehensive enough, and the transformer cannot be fully cooled and protected. The protection capacity is not enough, the functionality is not comprehensive enough, and the assembly of the cooling mechanism and the transformer is not convenient, and it is not convenient to disassemble.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling and protection mechanism for an oil-immersed transformer, comprising a transformer, a protection frame and a water-cooling protection cover, wherein both sides of the transformer are provided with protection frames perpendicular to each other, both sides of the transformer are provided with detachable water-cooling protection covers, a cold air cover is provided in the middle of the outer side of the water-cooling protection cover, a fan is provided inside the cold air cover, and fixing frames are provided at both ends of the water-cooling protection cover.

[0007] In a further embodiment, both ends of the fixing frame are provided with side ears, the side ears are provided with an adjustment rod, and the end of the adjustment rod is provided with a suction cup.

[0008] In a further embodiment, a socket is provided in the middle of the side of the fixing frame, plugs are provided at both ends of the water-cooling protective cover, and the plugs are assembled with the socket.

[0009] In a further embodiment, a plurality of inlay heads are provided on one side of the water-cooling protective cover, and the plurality of inlay heads are inlaid and assembled with the side surface of the transformer.

[0010] In a further embodiment, a refrigeration core plate is provided inside the water-cooling protective cover, a water-cooling coil is provided inside the refrigeration core plate, and the water-cooling coil is communicated with the inner cavity of the protective frame.

[0011] In a further embodiment, a fan is provided inside the cold air hood, and an air outlet is provided on the end surface of the cold air hood.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. A protective frame is provided on the outside of the transformer of the utility model, through which the outside of the transformer can be protected, and the protective frame can guide cold water so that the cold water can flow around the transformer, thereby greatly improving the cooling effect of the transformer.

[0014] 2. The utility model provides water-cooling protective covers on both sides of the transformer, which can protect both sides of the transformer. Fixing frames are provided at both ends of the transformer, and suction cups are provided at both ends of the fixing frames, which can facilitate installation and fixation by adsorption. A cold air hood is provided in the middle of the water-cooling protective cover, and a fan is provided inside the cold air hood, which can assist water cooling and improve cooling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a cooling protection mechanism for an oil-immersed transformer of the utility model;

[0016] Figure 2 This is the front view of the water-cooling protective cover of the utility model;

[0017] Figure 3 It is a side view of the fixing frame of the utility model;

[0018] Figure 4 It is a structural schematic diagram of part A of the utility model.

[0019] In the figure: 1. Suction cup; 2. Fixing bracket; 3. Transformer; 4. Protective bracket; 5. Cold air hood; 6. Water-cooling protective hood; 7. Water-cooling coil; 8. Refrigeration core board; 9. Air outlet; 10. Fan; 11. Adjustment rod; 12. Socket; 13. Inlay head; 14. Plug. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-4 The utility model provides an embodiment: a cooling protection mechanism for an oil-immersed transformer, comprising a transformer 3, a protection frame 4 and a water-cooling protection cover 6, both sides of the transformer 3 are provided with protection frames 4 that are perpendicular to each other, both sides of the transformer 3 are provided with detachable water-cooling protection covers 6, a cold air cover 5 is provided in the middle of the outer side of the water-cooling protection cover 6, a fan 10 is provided inside the cold air cover 5, and both ends of the water-cooling protection cover 6 are provided with fixing frames 2.

[0022] The protective frame 4 can be used to safely protect the outside of the transformer 3, the water-cooling protective cover 6 can be used to cool the transformer 3 and provide side protection, and the cold air cover 5 can be used to blow air on the transformer 3, thereby improving the cooling efficiency.

[0023] Furthermore, both ends of the fixing frame 2 are provided with side ears, an adjusting rod 11 is provided on the side ears, and a suction cup 1 is provided at the end of the adjusting rod 11. The side ears facilitate the installation of the adjusting rod 11, and the suction and fixation of the suction cup 1 can be controlled by the adjusting rod 11.

[0024] Furthermore, a socket 12 is provided in the middle of the side of the fixing frame 2, and plugs 14 are provided at both ends of the water-cooling protective cover 6. The plug 14 is inlaid and assembled with the socket 12, and the socket 12 can be inlaid and assembled with the plug 14, which facilitates the assembly of the fixing frame 2 and the water-cooling protective cover 6.

[0025] Furthermore, a plurality of inlay heads 13 are provided on one side of the water-cooling protective cover 6 , and the plurality of inlay heads 13 are inlaid and assembled with the side surface of the transformer 3 , so that the inlay heads 13 are conveniently assembled with the transformer 3 .

[0026] Furthermore, a refrigeration core plate 8 is provided inside the water-cooled protective cover 6 , a water-cooling coil 7 is provided inside the refrigeration core plate 8 , and the water-cooling coil 7 is connected to the inner cavity of the protective frame 4 , and the refrigeration core plate 8 can be used to control the refrigeration of the water-cooled protective cover 6 .

[0027] Furthermore, a fan is provided inside the cold air hood 5 , and an air outlet 9 is provided on the end surface of the cold air hood 5 .

[0028] Working principle: When in use, the water-cooled protective cover 6 is assembled with both sides of the transformer 3 through the inlay head 13, and the fixing frame 2 is assembled with the plugs 14 at both ends of the water-cooled protective cover 6. The suction cups 1 at both ends of the fixing frame 2 can be used for adsorption and fixation, and the installation and fixation are relatively convenient. Air can be blown through the fan 10, and the water in the inner cavity of the water-cooled protective cover 6 can be cooled through the refrigeration core plate 8, and diverted to the protective frame 4 through the water-cooling coil 7. The outer side of the transformer 3 can be fully protected by the protective frame 4, and the heat outside the transformer 3 can be absorbed, which can improve the cooling effect of the transformer 3. The inlay head 13 is convenient for assembling the water-cooled protective cover 6 with the side of the absorbing transformer 3.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cooling and protection mechanism for an oil-immersed transformer, comprising a transformer (3), a protection frame (4) and a water-cooling protection cover (6), characterized in that: Both sides of the transformer (3) are provided with mutually perpendicularly intersecting protective frames (4), both sides of the transformer (3) are provided with detachable water-cooling protective covers (6), a cold air cover (5) is provided in the middle of the outer side of the water-cooling protective cover (6), a fan (10) is provided inside the cold air cover (5), and both ends of the water-cooling protective cover (6) are provided with fixing frames (2).

2. The cooling and protection mechanism for an oil-immersed transformer according to claim 1, characterized in that: Both ends of the fixing frame (2) are provided with side ears, the side ears are provided with an adjustment rod (11), and the end of the adjustment rod (11) is provided with a suction cup (1).

3. The cooling and protection mechanism for an oil-immersed transformer according to claim 1, characterized in that: A plug hole (12) is provided in the middle of the side of the fixing frame (2), and plugs (14) are provided at both ends of the water-cooling protective cover (6), and the plugs (14) are assembled with the plug hole (12).

4. The cooling and protection mechanism for an oil-immersed transformer according to claim 1, characterized in that: A plurality of embedding heads (13) are provided on one side of the water-cooling protective cover (6), and the plurality of embedding heads (13) are embedded and assembled with the side surface of the transformer (3).

5. The cooling and protection mechanism for an oil-immersed transformer according to claim 1, characterized in that: A refrigeration core plate (8) is provided inside the water-cooling protective cover (6), a water-cooling coil (7) is provided inside the refrigeration core plate (8), and the water-cooling coil (7) is communicated with the inner cavity of the protective frame (4).

6. The cooling and protection mechanism for an oil-immersed transformer according to claim 1, characterized in that: A fan is provided inside the cold air hood (5), and an air blowing port (9) is provided on the end surface of the cold air hood (5).

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