CN211699905U - Novel lightning protection transformer structure - Google Patents
Novel lightning protection transformer structure Download PDFInfo
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- CN211699905U CN211699905U CN202020724783.9U CN202020724783U CN211699905U CN 211699905 U CN211699905 U CN 211699905U CN 202020724783 U CN202020724783 U CN 202020724783U CN 211699905 U CN211699905 U CN 211699905U
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- box body
- transformer
- lightning protection
- iron core
- type iron
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Abstract
The utility model discloses a novel lightning protection transformer structure, including box body and the end cover board of setting at one of them open end of box body, another open end of box body is provided with a plurality of output interfaces on terminal block and the terminal block, inside CD type iron core and the outside coiling of CD type iron core that still is provided with of box body have a plurality of lightning protection transformer coils, and a plurality of lightning protection transformer coil tip are connected respectively in output interface, output interface is that electric connection double-screw bolt and terminal block make for insulator material, box body and end cover board all adopt metal material to make just CD type iron core inside is equipped with the shielding layer. The transformer meets the requirements of high voltage and insulation, and greatly improves the transfer coefficient of the transformer.
Description
Technical Field
The utility model relates to a transformer technical field specifically is a novel lightning protection transformer structure.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions of the transformer include voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), etc., and the transformer can be divided into the following parts according to the purposes: distribution transformers, fully enclosed transformers, combined transformers, dry transformers, oil immersed transformers, single phase transformers, electric furnace transformers, rectifier transformers, etc.
In the field of rail transit, the adopted transformer needs to have a lightning protection function, and the existing lightning protection transformer has the defects of low lightning protection transfer coefficient and low insulation voltage resistance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel lightning protection transformer structure has reached above-mentioned purpose.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel lightning protection transformer structure, includes box body and the end cover board of setting at one of them open end of box body, and box body another open end is provided with a plurality of output interfaces on terminal board and the terminal board, the inside CD type iron core and the outside coiling of CD type iron core that still is provided with of box body have a plurality of lightning protection transformer coils, and a plurality of lightning protection transformer coil tip connect respectively in output interface, output interface is that electric connection double-screw bolt and terminal board are made for insulator material, box body and end cover board all adopt metal material to make just CD type iron core inside is equipped with the shielding layer.
On the basis of the technical scheme, the utility model discloses still provide following optional technical scheme:
in one alternative: the four corners of the terminal board are provided with fastening brackets which are L-shaped structures and are fastened and connected with the inner wall of the box body and the end part of the terminal board through bolts.
In one alternative: and a transformer base for mounting the CD-shaped iron core is arranged on the bottom wall of the box body.
In one alternative: the transformer base bottom still is provided with transformer mounting plate and fixes on the box body diapire through first bolt mounting, it is fixed through the installation of second bolt mounting between transformer base and the transformer mounting plate.
In one alternative: first bolt mounting and second bolt mounting all include square head bolt and hexagon nut, be provided with spring washer and plain washer between square head bolt and the hexagon nut.
Compared with the prior art, the beneficial effects of the utility model are as follows:
this novel lightning protection transformer, from structure design itself, the inside shielding layer that increases of transformer primary coil, the appearance design adopts metal box body structural design. The primary capacitance to ground of the transformer is fundamentally increased, thereby meeting the specified requirements. Most lightning protection type transformer shells adopt plastic box bodies, the novel lightning protection transformer adopts the metal box body grounding design, an output interface adopts an insulation board and stud design scheme, the safety distance is ensured, the transformer meets the requirements of high voltage and insulation, and the transfer coefficient of the transformer is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Notations for reference numerals: the lightning protection transformer comprises a lightning protection transformer box body 1, an end cover plate 2, a transformer mounting base plate 3, a transformer base 4, a CD-shaped iron core 6, a lightning protection transformer coil 5, a fastening support 7, a terminal plate 8, an output interface 9, a first bolt fixing piece 10 and a second bolt fixing piece 11.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.
Example 1
Referring to fig. 1, in an embodiment of the present invention, a novel lightning protection transformer structure includes a box body 1 and an end cover plate 2 disposed at one opening end of the box body 1, the other opening end of the box body 1 is provided with a terminal plate 8 and the terminal plate 8 is provided with a plurality of output interfaces 9, the box body 1 is also internally provided with a CD-type iron core 6 and a plurality of lightning protection transformer coils 5 are wound outside the CD-type iron core 6, ends of the plurality of lightning protection transformer coils 5 are respectively connected to the output interfaces 9, the output interfaces 9 are electrically connected by studs and the terminal plate 8 is made of an insulator material, the box body 1 and the end cover plate 2 are both made of a metal material and a shielding layer is added inside the CD-type iron core 6, while the whole transformer increases its primary ground capacitance, and the output interfaces 9 adopt a stud design to be detachably connected and improve a;
the four corners of the terminal board 8 are provided with fastening brackets 7, the fastening brackets 7 are L-shaped structures and are fastened and connected with the inner wall of the box body 1 and the end part of the terminal board 8 through bolts, and the bottom wall of the box body 1 is provided with a transformer base 4 for mounting a CD-shaped iron core 6.
Example 2
The embodiment of the utility model provides a difference with embodiment 1 lies in: the transformer mounting base plate 3 is further arranged at the bottom of the transformer base 4, the transformer mounting base plate 3 is fixedly mounted on the bottom wall of the box body 1 through a first bolt fixing piece 10, and the transformer base 4 and the transformer mounting base plate 3 are fixedly mounted through a second bolt fixing piece 11;
first bolt mounting 10 and second bolt mounting 11 all include square head bolt and hexagon nut, be provided with spring washer and plain washer between square head bolt and the hexagon nut.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a novel lightning protection transformer structure, includes box body (1) and sets up end cover board (2) at one of them open end of box body (1), and box body (1) another open end is provided with terminal block (8) and is provided with a plurality of output interface (9) on terminal block (8), its characterized in that, box body (1) inside still is provided with CD type iron core (6) and CD type iron core (6) outside coiling has a plurality of lightning protection transformer coil (5), and a plurality of lightning protection transformer coil (5) tip are connected respectively in output interface (9), output interface (9) are electric connection stud and terminal block (8) and are made for insulator material, box body (1) and end cover board (2) all adopt metal material to make just CD type iron core (6) inside is equipped with the shielding layer.
2. The novel lightning protection transformer structure according to claim 1, characterized in that fastening brackets (7) are arranged at four corners of the terminal board (8) and the fastening brackets (7) are L-shaped and are fastened and connected with the inner wall of the box body (1) and the end of the terminal board (8) through bolts.
3. The novel lightning protection transformer structure according to claim 1, characterized in that the bottom wall of the box body (1) is provided with a transformer base (4) for installing a CD type iron core (6).
4. The novel lightning protection transformer structure according to claim 3, wherein a transformer mounting base plate (3) is further arranged at the bottom of the transformer base (4), the transformer mounting base plate (3) is fixedly mounted on the bottom wall of the box body (1) through a first bolt fixing member (10), and the transformer base (4) and the transformer mounting base plate (3) are fixedly mounted through a second bolt fixing member (11).
5. The novel lightning protection transformer structure according to claim 4, characterized in that the first bolt fixing member (10) and the second bolt fixing member (11) each comprise a square head bolt and a hexagon nut, and a spring washer and a flat washer are arranged between the square head bolt and the hexagon nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020724783.9U CN211699905U (en) | 2020-05-06 | 2020-05-06 | Novel lightning protection transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020724783.9U CN211699905U (en) | 2020-05-06 | 2020-05-06 | Novel lightning protection transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211699905U true CN211699905U (en) | 2020-10-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020724783.9U Active CN211699905U (en) | 2020-05-06 | 2020-05-06 | Novel lightning protection transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211699905U (en) |
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2020
- 2020-05-06 CN CN202020724783.9U patent/CN211699905U/en active Active
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