A transformer capable of preventing electromagnetic interference

Abstract

The invention discloses a transformer capable of preventing electromagnetic interference, comprising a transformer body, a protective cover being arranged outside the transformer body, a plurality of grounding holes being arranged in the middle of the bottom of the protective cover, the grounding holes being evenly and equidistantly distributed, side grooves being arranged on both sides of both ends of the upper end of the protective cover, first electric telescopic rods being fixedly connected in the side grooves, inner grooves being arranged on both sides of the protective cover, foamed metal plates being arranged in the inner grooves, and the beneficial effects are as follows: by arranging the grounding holes, the grounding holes at the bottom of the protective cover enable the grounding wire of the transformer body to be grounded from the grounding holes to introduce electromagnetic interference into the earth, and the plurality of grounding holes enable the remaining grounding wires to still introduce electromagnetic interference into the earth when one grounding wire is damaged, and by arranging the slide groove, the transformer body is placed on a fixed plate in the protective cover, the slider at the bottom of the transformer body can move in the slide groove, and the transformer body can be pushed to one side inside the protective cover to push the transformer into the protective cover, which is very convenient.

Description

Technical Field

[0001] The invention relates to a transformer, in particular to a transformer capable of preventing electromagnetic interference, and belongs to the technical field of electric power equipment. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC voltage. It can achieve voltage conversion, current conversion, and impedance conversion. It is an indispensable electrical equipment in the process of power transmission.

[0003] In the prior art, transformers are exposed to the outside, and there are many external electromagnetic interference sources, not only natural noise interference, but also various artificial devices will generate a lot of electromagnetic interference. Transformers are often subject to electromagnetic interference during use. Strong electromagnetic interference may increase transformer losses and reduce service life. Summary of the invention

[0004] The present invention provides a transformer capable of preventing electromagnetic interference. A protective cover and a foamed metal plate are provided. The protective cover is made of an iron-nickel alloy material and can achieve a good electromagnetic shielding effect. The porous hole material of the foamed metal plate in the inner grooves on both sides of the protective cover can further reflect and absorb electromagnetic waves, and the electromagnetic protection effect is good. A grounding hole is provided. The grounding hole at the bottom of the protective cover allows a grounding wire of a transformer body to be grounded through the grounding hole to introduce electromagnetic interference into the earth. Multiple grounding holes can ensure that when one ground wire is damaged, the remaining grounding wires can still introduce electromagnetic interference into the earth. A slide groove is provided. The transformer body is placed on a fixed plate in the protective cover. The slider at the bottom of the transformer body can move in the slide groove. The transformer body can be pushed to one side inside the protective cover to push the transformer into the protective cover, which is very convenient.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0006] The present invention provides a transformer capable of preventing electromagnetic interference, comprising a transformer body, a protective cover being arranged outside the transformer body, a plurality of grounding holes being opened in the middle of the bottom of the protective cover, the grounding holes being evenly and equidistantly distributed, side grooves being opened on both sides of both ends of the upper end of the protective cover, first electric telescopic rods being fixedly connected in the side grooves, inner grooves being opened on both sides of the protective cover, foamed metal plates being arranged in the inner grooves, and the foamed metal plates being embedded in the inner grooves.

[0007] As a preferred technical solution of the present invention, the first electric telescopic rod is connected to a protective plate at one end away from the inner groove, and the upper and lower ends of the two protective plates close to each other are fixedly connected to the first electric telescopic rod.

[0008] As a preferred technical solution of the present invention, the protective cover is made of iron-nickel alloy material.

[0009] As a preferred technical solution of the present invention, both sides of the inner bottom wall of the protective cover are connected with fixing plates, and the protective cover is fixedly connected to the fixing plates.

[0010] As a preferred technical solution of the present invention, the upper ends of the fixing plates are provided with sliding grooves, two sliding blocks are slidably connected in two of the sliding grooves, and the four sliding blocks are fixedly connected to the four corners of the bottom of the transformer body.

[0011] As a preferred technical solution of the present invention, a second electric telescopic rod is provided on one side of the transformer body, the second electric telescopic rod is in contact with the transformer body through a connecting plate, the end of the second electric telescopic rod away from the transformer body is fixedly connected to the middle part of the side wall on one side inside the protective cover, and the protective cover is rotatably connected to a protective door on the side away from the second electric telescopic rod through a hinge.

[0012] The beneficial effects achieved by the present invention are as follows: the device is a transformer that can prevent electromagnetic interference. By setting a protective cover and a foamed metal plate, the protective cover is made of an iron-nickel alloy material and can play a good electromagnetic shielding effect. The porous hole material of the foamed metal plate in the inner groove on both sides of the protective cover can further reflect and absorb electromagnetic waves, and the electromagnetic protection effect is good. By setting a grounding hole, the grounding hole at the bottom of the protective cover allows the grounding wire of the transformer body to be grounded from the grounding hole to introduce electromagnetic interference into the earth. Multiple grounding holes can ensure that when one ground wire is damaged, the remaining grounding wires can still introduce electromagnetic interference into the earth. By setting a slide groove, the transformer body is placed on the fixed plate in the protective cover, and the slider at the bottom of the transformer body can move in the slide groove. The transformer body can be pushed to one side of the inside of the protective cover to push the transformer into the protective cover, which is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the main cutaway structure of the present invention;

[0015] Figure 2 It is a side view cutaway structural schematic diagram of the present invention;

[0016] Figure 3 It is a schematic diagram of the protective door structure of the present invention;

[0017] Figure 4 The present invention Figure 1 Enlarged view of point A.

[0018] In the figure: 1. transformer body; 2. protective cover; 3. fixing plate; 4. slider; 5. grounding hole; 6. slide groove; 7. foam metal plate; 8. protective plate; 9. inner groove; 10. side groove; 11. first electric telescopic rod; 12. protective door; 13. buckle; 14. hinge; 15. block; 16. second electric telescopic rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example: Figure 1-4 As shown, the present invention is a transformer capable of preventing electromagnetic interference, comprising a transformer body 1, a protective cover 2 is arranged outside the transformer body 1, a plurality of grounding holes 5 are opened in the middle of the bottom of the protective cover 2, and the grounding holes 5 are evenly and equidistantly distributed, side grooves 10 are opened on both sides of both ends of the upper end of the protective cover 2, and a first electric telescopic rod 11 is fixedly connected in the side grooves 10, inner grooves 9 are opened on both sides of the protective cover 2, and foamed metal plates 7 are arranged in the inner grooves 9, and the foamed metal plates 7 are embedded in the inner grooves 9.

[0021] The first electric telescopic rod 11 is connected to a protective plate 8 at one end away from the inner groove 9. The upper and lower ends of the two protective plates 8 on the side close to each other are fixedly connected to the first electric telescopic rod 11. Opening the first electric telescopic rod 11 can drive the two protective plates 8 to move away from or close to each other. The protective cover 2 is made of iron-nickel alloy material, which can play a good electromagnetic shielding effect. Fixed plates 3 are connected to both sides of the bottom wall of the protective cover 2. The protective cover 2 is fixedly connected to the fixed plate 3. The upper end of the fixed plate 3 is provided with a slide groove 6. Two sliders 4 are slidably connected in the two slide grooves 6. The four sliders 4 are fixedly connected to the four corners of the bottom of the transformer body 1 respectively. The slider 4 at the bottom of the transformer body 1 can move in the slide groove 6, so that the transformer The body 1 can move in the slide groove 6, and a second electric telescopic rod 16 is provided on one side of the transformer body 1. The second electric telescopic rod 16 contacts the transformer body 1 through a connecting plate, and the end of the second electric telescopic rod 16 away from the transformer body 1 is fixedly connected to the middle of the side wall of one side inside the protective cover 2, and the side of the protective cover 2 away from the second electric telescopic rod 16 is rotatably connected to the protective door 12 through a hinge 14. The transformer body 1 can be pushed out by using the second electric telescopic rod 16, and the middle part of the side of the protective door 12 away from the hinge 14 is rotatably connected to a buckle 13, and the middle part of the side of the transformer body 1 away from the hinge 14 is fixedly connected to a clamping block 15, and the clamping block 15 is engaged with the clamping block 13, and the protective door 12 can be opened by opening the clamping block 13.

[0022] Specifically, when the present invention is used, the protective door 12 is opened by the buckle 13, and the transformer body 1 is placed on the fixed plate 3 in the protective cover 2. The slider 4 at the bottom of the transformer body 1 can move in the slide groove 6, push the transformer body 1 to one side of the inside of the protective cover 2, and abut against the second electric telescopic rod 16 to close the protective door 12. The protective cover 2 is made of iron-nickel alloy material, which can play a good electromagnetic shielding effect. The porous hole material of the foamed metal plate 7 in the inner groove 9 on both sides of the protective cover 2 can further reflect and absorb electromagnetic waves, and the electromagnetic protection effect is good. When the foamed metal plate 7 needs to be replaced, the first electric telescopic rod 11 is opened to drive the two protective plates 8 away from each other, and the foamed metal plate 7 in the inner groove 9 is taken out for replacement. The grounding hole 5 at the bottom of the protective cover 2 allows the grounding wire of the transformer body 1 to be grounded from the grounding hole 5 to introduce electromagnetic interference into the earth. Multiple grounding holes 5 can make it possible for the remaining grounding wires to still introduce electromagnetic interference into the earth when one ground wire is damaged. When the transformer body 1 needs to be taken out for maintenance, the second electric telescopic rod 16 is opened again, and the second electric telescopic rod 16 can push out the transformer body 1, which is very convenient.

[0023] Although 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 transformer capable of preventing electromagnetic interference, characterized in that: The invention comprises a transformer body (1), wherein a protective cover (2) is arranged outside the transformer body (1), a plurality of grounding holes (5) are provided in the middle of the bottom of the protective cover (2), and the grounding holes (5) are evenly and equidistantly distributed; side grooves (10) are provided on both sides of both ends of the upper end of the protective cover (2), and a first electric telescopic rod (11) is fixedly connected in each of the side grooves (10); inner grooves (9) are provided on both sides of the protective cover (2), and a foamed metal plate (7) is provided in each of the inner grooves (9), and the foamed metal plate (7) is embedded in the inner groove (9); The protective cover (2) is made of an iron-nickel alloy material; Both sides of the inner bottom wall of the protective cover (2) are connected to fixing plates (3), and the protective cover (2) is fixedly connected to the fixing plates (3); A second electric telescopic rod (16) is provided on one side of the transformer body (1); the second electric telescopic rod (16) is in contact with the transformer body (1) via a connecting plate; an end of the second electric telescopic rod (16) away from the transformer body (1) is fixedly connected to the middle of a side wall on one side inside the protective cover (2); and a side of the protective cover (2) away from the second electric telescopic rod (16) is rotatably connected to a protective door (12) via a hinge (14); The upper ends of the fixing plates (3) are each provided with a sliding groove (6), two sliding blocks (4) are respectively slidably connected in the two sliding grooves (6), and the four sliding blocks (4) are respectively fixedly connected to the four corners of the bottom of the transformer body (1); The foamed metal plate is made of a porous material.

2. A transformer capable of preventing electromagnetic interference according to claim 1, characterized in that: The first electric telescopic rod (11) is connected to a protective plate (8) at one end away from the inner groove (9), and the upper and lower ends of the two protective plates (8) on the side close to each other are fixedly connected to the first electric telescopic rod (11).

3. A transformer capable of preventing electromagnetic interference according to claim 1, characterized in that: A buckle (13) is rotatably connected to the middle of the side of the protective door (12) away from the hinge (14), and a clamping block (15) is fixedly connected to the middle of the side of the transformer body (1) away from the hinge (14), and the clamping block (15) is engaged with the buckle (13).

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