CN214505227U

CN214505227U - Transformer with coupling column

Info

Publication number: CN214505227U
Application number: CN202120665313.4U
Authority: CN
Inventors: 刘晓斐; 曹坤; 范晓键
Original assignee: Jiangxi Oumeiya Electronics Co ltd
Current assignee: Jiangxi Oumeiya Electronics Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-26
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a take transformer of coupling post, include the skeleton of transformer, install in the magnetic core and the coil of skeleton of transformer, the center pillar hole that link up about the center of skeleton of transformer is equipped with, and the coil includes primary and secondary, primary and secondary locate in the wire winding inslot, and the magnetic core includes the bottom plate, upwards convex two limit posts from bottom plate length both sides, upwards convex center pillar from the bottom plate centre, upwards convex coupling post from bottom plate width one side, is equipped with the wire winding clearance between coupling post and the center pillar, and two magnetic core amalgamations, wherein, bottom plate and limit post cover are in the outside of skeleton of transformer, and the center pillar hole is inserted to the center pillar, and the skeleton of transformer correspondence is equipped with and supplies coupling post male coupling hole, and primary passes through the wire winding clearance, and secondary passes through the coupling post outside. The utility model discloses an adjust the air gap of coupling post, adjust the coupling state of transformer, can reduce the coil number of turns, reduction in production cost.

Description

Transformer with coupling column

Technical Field

The utility model relates to an electronic equipment, concretely relates to transformer.

Background

After the commonly used transformer pins are coiled, tinned and welded, welding spots are high, the mounting height of a product is influenced, the number of turns is large for meeting the coupling characteristic of the product, the condition of insufficient safety distance exists, and high-voltage breakdown is easily caused to ensure property and personal safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a take transformer of coupling post is provided, when satisfying product coupling characteristic, reduce the coil number of turns, reduction in production cost.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a take transformer of coupling post, includes the skeleton of transformer, installs in the magnetic core and the coil of skeleton of transformer, the high intermediate position of skeleton of transformer is equipped with the wire winding groove, the center pillar hole that link up from top to bottom is equipped with at the center of skeleton of transformer, the coil includes primary and secondary, primary and secondary locate the wire winding inslot, its characterized in that: the magnetic core includes the bottom plate, upwards convex two side columns, upwards convex center pillar, follow bottom plate width one side upwards convex coupling post from bottom plate length both sides, be equipped with the wire winding clearance between coupling post and the center pillar, two magnetic core amalgamations, wherein, bottom plate and side column cover in the outside of transformer skeleton, and the center pillar inserts the center pillar hole, the transformer skeleton correspondence is equipped with supplies coupling post male coupling hole, primary winding passes through the wire winding clearance, secondary winding passes through the coupling post outside.

Preferably, the center pillar is an elliptical cylinder.

Preferably, the coupling column is a rectangular cylinder with rounded corners.

Preferably, the bottom plate has a recess on one side and a protrusion on the other side, and the recess and the protrusion form a concave-convex fitting structure with the transformer bobbin.

The utility model discloses a technical scheme, increase a coupling post on current magnetic core basis, primary winding is inboard through the coupling post, and secondary winding is through the coupling post outside, through the air gap of adjusting the coupling post, adjusts the coupling state of transformer, can reduce the coil number of turns, reduction in production cost.

The coupling groove is additionally arranged on the secondary side of the transformer framework, and when the magnetic core is assembled, the magnetic core coupling column can be arranged in through the coupling groove, so that the secondary winding is arranged on the outer side of the coupling column, and the purpose of adjusting the coupling state of the transformer through the coupling column is achieved.

The specific technical solution and the advantages of the present invention will be described in detail in the following detailed description with reference to the accompanying drawings.

Drawings

The invention will be further described with reference to the accompanying drawings and specific embodiments:

fig. 1 is a top view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a perspective view of the present invention;

FIG. 5 is a perspective view of a transformer bobbin;

in the figure: 1-transformer framework, 11-middle column hole, 12-coupling slot, 13-winding slot, 2-magnetic core, 21-middle column, 22-side column and 23-coupling column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Such terms as "upper", "lower", and the like, indicating an orientation or positional relationship, are based only on the orientation or positional relationship shown in the drawings and are merely for convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device/element referred to must have a particular orientation or be constructed and operated in a particular orientation and therefore should not be construed as limiting the invention.

It will be appreciated by those skilled in the art that features from the examples and embodiments described below may be combined with each other without conflict.

As shown in fig. 1 to 5, a transformer with coupling posts, includes a transformer framework 1, a magnetic core 2 and a coil installed on the transformer framework, a winding slot 13 is provided at a height middle position of the transformer framework 1, a center post hole 11 penetrating through the transformer framework 1 from top to bottom is provided at the center of the transformer framework, the coil includes a primary winding and a secondary winding, the primary winding and the secondary winding are provided in the winding slot, the magnetic core 2 includes a bottom plate, two side posts 22 protruding upwards from two sides of the length of the bottom plate, a center post 21 protruding upwards from the middle of the bottom plate, and a coupling post 23 protruding upwards from one side of the width of the bottom plate, and a winding gap is provided between the coupling post and the center post. The two magnetic cores are spliced, wherein the bottom plate and the side columns cover the outer side of the transformer framework, and the middle column 21 is inserted into the middle column hole 11. The transformer framework 1 is correspondingly provided with a coupling slot 12 for inserting a coupling column 23, the primary winding passes through a winding gap, and the secondary winding passes through the outer side of the coupling column.

According to the technical scheme, the coupling column is additionally arranged on the basis of the existing magnetic core, the primary winding is wound on the inner side of the coupling column, the secondary winding is wound on the outer side of the coupling column, the coupling state of the transformer is adjusted by adjusting the air gap of the coupling column, the number of turns of the coil can be reduced, and the production cost is reduced. When the magnetic core is assembled, the magnetic core coupling column can be arranged in the coupling groove, so that the secondary winding is arranged on the outer side of the coupling column, and the purpose of adjusting the coupling state of the transformer through the coupling column is achieved.

In one embodiment, the center pillar is an elliptical cylinder. The coupling column is a rectangular column body with rounded corners.

Furthermore, a concave part is arranged on one side of the width of the bottom plate, a convex part is arranged on the other side of the width of the bottom plate, and a concave-convex embedded structure is formed by the concave part and the convex part and the transformer framework.

In addition to the above preferred embodiments, the present invention has other embodiments, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope defined by the appended claims.

Claims

1. The utility model provides a take transformer of coupling post, includes the skeleton of transformer, installs in the magnetic core and the coil of skeleton of transformer, the high intermediate position of skeleton of transformer is equipped with the wire winding groove, the center pillar hole that link up from top to bottom is equipped with at the center of skeleton of transformer, the coil includes primary and secondary, primary and secondary locate the wire winding inslot, its characterized in that: the magnetic core includes the bottom plate, upwards convex two side columns, upwards convex center pillar, follow bottom plate width one side upwards convex coupling post from bottom plate length both sides, be equipped with the wire winding clearance between coupling post and the center pillar, two magnetic core amalgamations, wherein, bottom plate and side column cover in the outside of transformer skeleton, and the center pillar inserts the center pillar hole, the transformer skeleton correspondence is equipped with and supplies coupling post male coupling groove, primary winding passes through the wire winding clearance, secondary winding passes through the coupling post outside.

2. The transformer with the coupling column according to claim 1, wherein: the center pillar is an oval cylinder.

3. The transformer with the coupling column according to claim 2, wherein: the coupling column is a rectangular column body with rounded corners.

4. The transformer with the coupling column according to claim 1, wherein: and a concave part is arranged on one side of the width of the bottom plate, a convex part is arranged on the other side of the width of the bottom plate, and a concave-convex embedded structure is formed by the concave part and the convex part and the transformer framework.