Box transformer substation with oil storage tank

Abstract

The utility model discloses a box transformer substation with an oil storage tank, which belongs to the technical field of box transformer substations, and comprises an oil storage base, a box body is arranged on the upper surface of the oil storage base, a transformer main body is arranged in the box body, the oil storage base comprises a bearing frame, a base plate is arranged at the bottom of the bearing frame, a cover plate is arranged at the top of the bearing frame, and an oil storage tank is arranged on the cover plate. The transformer main body is arranged on the cover plate, a pump body is arranged on one side of the cover plate, a liquid outlet of the pump body is communicated with an oil cavity in the transformer main body through a liquid inlet pipe, and a liquid discharge pipe communicated with the oil cavity in the transformer main body is arranged on the other side of the upper surface of the cover plate. When the transformer body is maintained, oil in the transformer body can be fed into the cavity through the liquid discharging pipe under the action of gravity, and after the transformer body is maintained, the oil is conveyed into the transformer body again through the pump body, so that the oil can be recycled, and resources are saved.

Description

Technical Field

[0001] The utility model relates to the technical field of box transformers, in particular to a box transformer with an oil storage tank. Background Art

[0002] Oil-immersed transformers, also known as oil-immersed transformers, are transformers consisting of an iron core and windings placed in an oil tank filled with insulating oil. When some faults require repair, the transformer oil often needs to be drained. In order not to pollute the environment, the current common practice is to make an open oil collection pool near the equipment or on the base of the equipment, collect the drained oil in the pool and then dispose of it. The advantage is that it does not pollute the environment and can be collected and centrally treated. The disadvantage is that it cannot be reused. Utility Model Content

[0003] The purpose of the utility model is to provide a box transformer with an oil storage tank to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a box transformer with an oil storage tank, comprising an oil storage base, a box body is arranged on the upper surface of the oil storage base, a transformer body is arranged inside the box body, the oil storage base comprises a bearing frame, a substrate is arranged at the bottom of the bearing frame, a cover plate is arranged on the top of the bearing frame, the transformer body is arranged on the cover plate, a pump body is arranged on one side of the cover plate, the liquid outlet of the pump body is connected with the oil cavity in the transformer body through a liquid inlet pipe, the liquid inlet of the pump body is connected with the cavity surrounded by the bearing frame, the cover plate and the substrate through the liquid outlet pipe, and a drain pipe connected with the oil cavity in the transformer body is arranged on the other side of the upper surface of the cover plate.

[0005] Preferably, the supporting frame includes two cross beams and two longitudinal beams, the two cross beams and the two longitudinal beams form a frame structure, a plurality of reinforcing longitudinal beams are arranged between the two cross beams, a plurality of air holes are opened on the sides of the reinforcing longitudinal beams, and a gap is left between the reinforcing longitudinal beams and the base plate.

[0006] Preferably, an exhaust pipe is provided on the cover plate.

[0007] Preferably, a plurality of wire threading pipes are arranged in the bearing frame, and ends of the wire threading pipes respectively pass through the cover plate and the base plate.

[0008] Preferably, a filter plate and a reciprocating screw are arranged between the two cross beams, a movable seat is threadedly connected to the reciprocating screw, a cleaning brush is arranged on one side of the movable seat, and the brush part of the cleaning brush is in contact with the filter plate, and a paddle is arranged at one end of the reciprocating screw, and the paddle corresponds to the outlet end of the liquid inlet pipe.

[0009] Preferably, guide strips are provided at the top and bottom of the cleaning brush, and the guide strips are in a continuous wavy structure. The abutting sides of the cleaning brush and the two guide strips are rotatably connected to guide wheels via a rotating shaft.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] By using the cavity surrounded by the bearing frame, the cover plate and the base plate as an oil storage tank, the oil inside the transformer body can be sent to the cavity through the drain pipe under the action of gravity when the transformer body is repaired. After the transformer body is repaired, the oil is transported to the transformer body again through the pump body, so that the oil can be recycled and resources can be saved.

[0012] By providing a plurality of reinforcing longitudinal beams, the bearing strength of the oil storage base can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0015] Figure 3 This is a structural schematic diagram of the oil storage base of the utility model;

[0016] Figure 4 This is a structural schematic diagram of the oil storage base without a cover plate of the utility model;

[0017] Figure 5 It is a structural schematic diagram of the filter plate of the utility model.

[0018] In the figure:

[0019] 100, oil storage base; 200, box body; 300, transformer body; 101, cross beam; 102, longitudinal beam; 103, cover plate; 104, base plate; 105, threading pipe; 106, pump body; 107, liquid inlet pipe; 108, liquid outlet pipe; 109, liquid discharge pipe; 110, exhaust pipe; 111, reinforced longitudinal beam; 112, air hole; 113, filter plate; 114, reciprocating screw; 115, moving seat; 116, cleaning brush; 117, paddle; 118, guide strip; 119, guide wheel. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , the utility model provides a technical solution:

[0022] like Figure 1 and Figure 2 As shown, a box transformer with an oil storage tank includes an oil storage base 100, a box body 200 is arranged on the upper surface of the oil storage base 100, and a transformer body 300 is arranged inside the box body 200, wherein the transformer body 300 includes a high-voltage chamber, a transformer chamber and a low-voltage chamber, and the box body 200 has a box door for maintenance personnel to pass through. The oil storage base 100 is a hollow structure. By using the cavity in the oil storage base 100 as an oil storage cavity, when the transformer body 300 is maintained, the oil inside the transformer body 300 can be sent to the above-mentioned cavity through the drain pipe 109 under the action of gravity. After the maintenance of the transformer body 300 is completed, it is transported to the transformer body 300 again through the pump body 106, so that the oil can be recycled and resources are saved.

[0023] like Figure 3 As shown, the oil storage base 100 includes a bearing frame, a substrate 104 is arranged at the bottom of the bearing frame, a cover plate 103 is arranged at the top of the bearing frame, the transformer body 300 is arranged on the cover plate 103, a pump body 106 is arranged on one side of the cover plate 103, the liquid outlet of the pump body 106 is connected with the oil cavity in the transformer body 300 through a liquid inlet pipe 107, the liquid inlet of the pump body 106 is connected with the cavity surrounded by the bearing frame, the cover plate 103 and the substrate 104 through a liquid outlet pipe 108, and a drain pipe 109 connected with the oil cavity in the transformer body 300 is arranged on the other side of the upper surface of the cover plate 103, wherein the upper surface of the substrate 104 is an inclined surface, and the liquid outlet pipe 108 is located on the lower side of the substrate 104.

[0024] like Figure 4As shown, the bearing frame includes two cross beams 101 and two longitudinal beams 102, and the two cross beams 101 and the two longitudinal beams 102 form a frame structure. A plurality of reinforcing longitudinal beams 111 are arranged between the two cross beams 101, and a plurality of air holes 112 are opened on the sides of the reinforcing longitudinal beams 111. A gap is left between the reinforcing longitudinal beams 111 and the base plate 104, and an exhaust pipe 110 is arranged on the cover plate 103. When the oil in the transformer body 300 enters the oil storage base 100, the oil flows through the gap between the reinforcing longitudinal beams 111 and the base plate 104, and the excess air is discharged through the air holes 112 and the exhaust pipe 110 on the reinforcing longitudinal beams 111. Holes are opened on the reinforcing longitudinal beams 111 and blind hole nut columns are welded to facilitate the subsequent sealing of the enclosed cavity.

[0025] Furthermore, a plurality of wire-threading pipes 105 are provided in the bearing frame, and ends of the wire-threading pipes 105 respectively penetrate the cover plate 103 and the base plate 104 , and the wire-threading pipes 105 are provided.

[0026] like Figure 5 As shown, a filter plate 113 and a reciprocating screw 114 are arranged between the two beams 101, a movable seat 115 is threadedly connected to the reciprocating screw 114, a cleaning brush 116 is arranged on one side of the movable seat 115, and the brush part of the cleaning brush 116 is in contact with the filter plate 113, and a paddle 117 is arranged at one end of the reciprocating screw 114, and the paddle 117 corresponds to the outlet end of the liquid inlet pipe 107.

[0027] Furthermore, guide bars 118 are provided at the top and bottom of the cleaning brush 116. The guide bars 118 are in a continuous wavy structure. The abutting sides of the cleaning brush 116 and the two guide bars 118 are rotatably connected to guide wheels 119 via a rotating shaft.

[0028] Specifically, when the insulating oil stored in the oil storage base 100 is transported to the transformer body 300, the pump body 106 will work to pump the insulating oil so that the insulating oil in the oil storage base 100 begins to flow, and the paddle 117 drives the reciprocating screw 114 to start rotating under the push of the insulating oil and the suction force of the pump body 106, and the movable seat 115 drives the cleaning brush 116 to start moving under the action of the thread to clean the surface of the filter plate 113 to avoid blockage, and with the reciprocating motion of the cleaning brush 116, the cleaning brush 116 reciprocates up and down under the guidance of the guide bar 118 and the guide wheel 119, thereby improving the cleaning effect of the filter plate 113.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A box transformer with an oil storage tank, comprising an oil storage base (100), a box body (200) being arranged on the upper surface of the oil storage base (100), a transformer body (300) being arranged inside the box body (200), characterized in that: The oil storage base (100) comprises a bearing frame, a base plate (104) is arranged at the bottom of the bearing frame, a cover plate (103) is arranged at the top of the bearing frame, the transformer body (300) is arranged on the cover plate (103), a pump body (106) is arranged on one side of the cover plate (103), a liquid outlet of the pump body (106) is connected to the oil cavity in the transformer body (300) through a liquid inlet pipe (107), a liquid inlet of the pump body (106) is connected to a cavity surrounded by the bearing frame, the cover plate (103) and the base plate (104) through a liquid outlet pipe (108), and a liquid discharge pipe (109) connected to the oil cavity in the transformer body (300) is arranged on the other side of the upper surface of the cover plate (103).

2. A box transformer with an oil storage tank according to claim 1, characterized in that: The bearing frame comprises two cross beams (101) and two longitudinal beams (102), the two cross beams (101) and the two longitudinal beams (102) forming a frame-like structure, a plurality of reinforcing longitudinal beams (111) being arranged between the two cross beams (101), a plurality of air holes (112) being provided on the sides of the reinforcing longitudinal beams (111), and a gap being left between the reinforcing longitudinal beams (111) and the base plate (104).

3. The box transformer with oil storage tank according to claim 1, characterized in that: An exhaust pipe (110) is provided on the cover plate (103).

4. The box transformer with oil storage tank according to claim 1, characterized in that: A plurality of wire threading pipes (105) are arranged in the bearing frame, and ends of the wire threading pipes (105) respectively penetrate the cover plate (103) and the base plate (104).

5. The box transformer with oil storage tank according to claim 2, characterized in that: A filter plate (113) and a reciprocating screw (114) are arranged between the two cross beams (101); a movable seat (115) is threadedly connected to the reciprocating screw (114); a cleaning brush (116) is arranged on one side of the movable seat (115); and a brush portion of the cleaning brush (116) is in contact with the filter plate (113); a paddle (117) is arranged at one end of the reciprocating screw (114); and the paddle (117) corresponds to the outlet end of the liquid inlet pipe (107).

6. A box transformer with an oil storage tank according to claim 5, characterized in that: The top and bottom of the cleaning brush (116) are both provided with guide strips (118), the guide strips (118) are in a continuous wave-shaped structure, and the abutting sides of the cleaning brush (116) and the two guide strips (118) are rotatably connected to guide wheels (119) via a rotating shaft.

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