European style box-type transformer

Abstract

The utility model discloses a European style box-type transformer which comprises a box body, heat dissipation holes, a box door, a rain baffle and a protection structure. According to the utility model, through the arrangement of the protection structure, the two mounting seats are respectively fixed at the upper end and the lower end of the heat dissipation hole at the lower end, then the clamping seats are placed in the mounting seats, so that the threaded seats are placed in the bayonets, and then the threaded seats are fixed in the bayonets through the bolts, so that the clamping seats are fixed in the mounting seats; after the clamping base is installed, the protective net can be attached to the surface of the box body and cover the surfaces of the heat dissipation holes in the lower end, the protective net can filter dust in air, dust entering the box body is effectively reduced, meanwhile, the protective net covers the surfaces of the heat dissipation holes, and insects or animals and the like can be prevented from entering the box body.

Description

Technical Field

[0001] The utility model relates to the field of transformers, in particular to a European box-type transformer. Background Art

[0002] European box transformer is also called European box transformer. The high voltage room of European box transformer is generally composed of high voltage load switch, high voltage fuse and lightning arrester, etc. It can stop power supply and has overload and short circuit protection. The low voltage room is composed of low voltage air switch, current transformer, ammeter, voltmeter, etc. Transformer generally adopts S9 or dry type.

[0003] Prior art: CN208141958U discloses a European-style box-type transformer, comprising a box body, wherein a primary coil, a secondary coil, an iron core, a high-voltage load switch, a low-voltage air switch and an electric meter are fixedly installed in the inner cavity of the box body respectively, a top cover is arranged on the top of the box body, a base is fixedly installed on the bottom of the box body, a pair of mounting grooves are symmetrically provided on both sides of the base, a winding device is arranged in the inner cavity of the mounting groove, the winding device comprises a winding roller, an outer wall of the winding roller is fixedly connected to a fixing ring, an outer wall of the fixing ring is fixedly connected to a lifting rope, the lifting rope is wound around the outer wall of the fixing ring, a hook is fixedly installed on the end of the lifting rope away from the fixing ring, the European-style box-type transformer has a protective effect on the top cover, and at the same time, after the lifting is completed, the hand crank handle can be inserted into the card slot and the winding device can be rotated to wind the lifting rope on the winding roller to prevent the lifting rope from affecting the normal layout of the transformer, and the winding is convenient, and there is no need to carry the lifting rope extra.

[0004] In order to ensure the stability of operation, existing European box-type transformers are equipped with heat dissipation holes at the upper and lower ends of the box side. The lower heat dissipation holes are used to enter cold air to cool the inside of the box, and the upper heat dissipation holes are used to discharge the heat in the box to achieve heat dissipation. Since the lower heat dissipation holes are close to the ground and have poor protection against them, insects and animals may enter the box through the lower heat dissipation holes, causing problems such as failure of the transformer inside the box. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a European box-type transformer.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a European box-type transformer, comprising a box body, wherein heat dissipation holes are arranged at both upper and lower ends of the box body edge, a box door is arranged at the front end of the box body, and a rain shield is arranged on the top of the box body, a protective structure is arranged at the edge of the box body, and the protective structure includes a mounting seat, the mounting seat is arranged on the surface of the box body, a holder installed in the mounting seat, a threaded seat is arranged on the edge of the holder, and a protective net is fixed inside the holder.

[0007] Preferably, two mounting seats are provided, which are respectively located at the upper and lower ends of the heat dissipation hole at the lower end.

[0008] Preferably, both the front and rear ends of the mounting seat are provided with bayonet holes, and when the bayonet is installed in the mounting seat, the threaded seat is located inside the bayonet holes.

[0009] Preferably, both upper and lower ends of the protective net are provided with a holder, the holder structures at both ends are the same, and the holders at the upper and lower ends are respectively located at the mounting seats at the upper and lower ends and connected to each other.

[0010] Preferably, the end of the protective net is installed in an arc shape inside the holder, and the end surface of the mounting seat in contact with the protective net is an arc surface.

[0011] Preferably, magnetic tiles are provided on the front and rear end edges of the protective net.

[0012] Beneficial effects of the utility model:

[0013] The utility model is provided with a protective structure. First, two mounting seats are fixed at the upper and lower ends of the lower heat dissipation hole respectively. Then, the clamping seat is placed inside the mounting seat so that the threaded seat is placed in the clamping mouth. Then, the threaded seat is fixed by bolts so that it is fixed in the clamping mouth, so that the clamping seat is fixed in the mounting seat. After the clamping seat is installed, the protective net will fit on the surface of the box and cover the surface of the heat dissipation hole at the lower end. The protective net can filter dust in the air and effectively reduce the dust from entering the inside of the box. At the same time, the protective net covers the surface of the heat dissipation hole, which can also prevent insects or animals from entering the inside of the box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a front view structural diagram of the utility model;

[0016] Figure 3 It is a side view structural diagram of the protective structure of the utility model;

[0017] Figure 4 It is a front view cross-sectional structural schematic diagram of the card holder of the utility model.

[0018] Including: box body-1, heat dissipation hole-2, box door-3, rain shield-4, protective structure-5, mounting seat-51, clamping seat-52, threaded seat-53, protective net-54, bayonet-501, magnetic tile-541. DETAILED DESCRIPTION

[0019] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0020] See also Figure 1 and Figure 2 The utility model provides a European box-type transformer, including a box body 1, wherein a transformer is arranged inside the box body 1, and the box body 1 can protect the transformer. Heat dissipation holes 2 are arranged at the upper and lower ends of the right side surface of the box body 1. The upper heat dissipation holes 2 are used for discharging heat from the inside of the box body 1, and the lower heat dissipation holes 2 are used for cold air to enter the inside of the box body 1, thereby realizing the heat dissipation of the transformer inside the box body 1. A rotatably connected box door 3 is assembled at the front end of the box body 1, and a rain shield 4 is fixed to the top of the box body 1 by bolts. The top of the rain shield 4 is an inclined surface, which effectively avoids water accumulation. A protective structure 5 is arranged at the lower end of the right side of the box body 1, and the protective structure 5 covers the surface of the heat dissipation hole 2 at the lower end.

[0021] See also Figure 1 , Figure 3 and Figure 4 The utility model provides a European box-type transformer, the protective structure 5 includes a mounting seat 51, the mounting seat 51 is provided with two fixings on the right lower end surface of the box body 1 by bolts, and located at the upper and lower ends of the lower end heat dissipation hole 2, and the mounting seat 51 is installed in the mounting seat 52, and the front and rear ends of the mounting seat 51 are provided with a bayonet 501 for placing the threaded seat 53 integrally formed at the front and rear ends of the bayonet 52. The threaded seat 53 is placed inside the bayonet 501 to avoid skewing, facilitate docking installation, and is fixed in the bayonet 52. The protective net 54 of the upper part is provided with two parts respectively fixed at the upper and lower ends of the protective net 54. The end of the protective net 54 connected with the holder 52 is fixed in the holder 52 in an arc shape, and the end surface of the interior of the mounting seat 51 in contact with the protective net 54 is an inclined surface, so that when the holder 52 is installed in the mounting seat 51, the protective net 54 will not be excessively bent, making it difficult to be broken. The front and rear ends of the protective net 54 are provided with magnetic stickers 541, which can make the protective net 54 fit on the surface of the box body 1, thereby improving the protection effect;

[0022] First, fix the two mounting bases 51 at the upper and lower ends of the lower heat dissipation hole 2 respectively, and fix them with bolts, then place the holder 52 inside the mounting base 51, so that the threaded seat 53 is placed in the bayonet 501, and then fix the threaded seat 53 by bolts to fix it in the bayonet 501, so that the holder 52 is fixed in the mounting base 51. After the holder 52 is installed, the protective net 54 will fit on the surface of the box 1 and cover the surface of the lower heat dissipation hole 2. The protective net 54 can filter dust in the air and effectively reduce dust from entering the interior of the box. At the same time, the protective net 54 covers the surface of the heat dissipation hole 2, and can also prevent insects or animals from entering the interior of the box 1.

[0023] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A European box-type transformer, comprising a box body (1), wherein the box body (1) is provided with heat dissipation holes (2) at both upper and lower ends of the side, a box door (3) is provided at the front end of the box body (1), and a rain shield (4) is provided at the top of the box body (1); Features: The invention also comprises a protective structure (5), wherein the protective structure (5) is arranged at the edge of the box body (1), and the protective structure (5) comprises a mounting seat (51), wherein the mounting seat (51) is arranged on the surface of the box body (1), a clamping seat (52) mounted in the mounting seat (51), a threaded seat (53) is arranged at the edge of the clamping seat (52), and a protective net (54) fixed inside the clamping seat (52).

2. According to claim 1, a European box-type transformer is characterized in that: The mounting seats (51) are provided with two, which are respectively located at the upper and lower ends of the heat dissipation hole (2) at the lower end.

3. According to claim 2, a European box-type transformer is characterized in that: Both the front and rear ends of the mounting seat (51) are provided with bayonet holes (501); when the bayonet hole (52) is installed in the mounting seat (51), the threaded seat (53) is located inside the bayonet hole (501).

4. According to claim 3, a European box-type transformer is characterized in that: The upper and lower ends of the protection net (54) are both provided with a clamping seat (52), the clamping seats (52) at both ends have the same structure, and the clamping seats (52) at the upper and lower ends are respectively located at the mounting seats (51) at the upper and lower ends and connected to each other.

5. According to claim 4, a European box-type transformer is characterized in that: The end of the protection net (54) is installed in an arc shape inside the holder (52), and the end surface of the mounting seat (51) in contact with the protection net (54) is an arc surface.

6. According to claim 1, a European box-type transformer, characterized in that: Magnetic tiles (541) are provided at the front and rear end edges of the protection net (54).

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