CN211294830U

CN211294830U - Iron core with function of making an uproar is fallen

Info

Publication number: CN211294830U
Application number: CN202020061094.4U
Authority: CN
Inventors: 唐林冲
Original assignee: Qidong City Lin Electric Measuring Appliance Co ltd
Current assignee: Qidong City Lin Electric Measuring Appliance Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-08-18
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses an iron core with noise reduction function, including air gap iron core body and plane iron core body, air gap iron core body with the plane iron core body is formed by stacking a plurality of E type iron chips, all include center pillar and two side columns of center pillar both sides, connect through epoxy glue bonding between the center pillar of air gap iron core body and the center pillar of plane iron core body, the bottom of plane iron core body is provided with a plurality of stitch; the iron core is formed by connecting and combining an air gap iron core and a plane iron core through epoxy resin glue, the epoxy resin glue has the function of conveniently and quickly connecting the air gap iron core and the plane iron core, and can play a role in buffering and reducing noise due to the fact that the epoxy resin glue is soft and elastic; the whole iron core is simple and clear in structure, the gap is regular, the influence on the magnetic flux of the iron core is small, and the corresponding die is convenient to manufacture and beneficial to batch production.

Description

Iron core with function of making an uproar is fallen

Technical Field

The utility model relates to an electromagnetic equipment technical field, concretely relates to iron core with function of making an uproar is fallen.

Background

At present, part of internal iron core structures of transformers are EI iron core assembled type, the structure is generally simple, more E piece iron cores and I piece iron cores with the same thickness are directly connected in a welding mode, however, the whole strip type welding mode is adopted, so that a certain gap always exists in a butt joint surface, and the gap cavity not only can cause the transformer to generate larger vibration, but also amplifies noise, finally influences the use performance of the transformer, and accordingly, a plurality of design schemes aiming at the problem of iron core noise are generated.

Chinese patent CN208637279U discloses a low noise iron core for high voltage iron core reactor, which is characterized in that a noise reduction groove is arranged, sound is guided into the inner wall of the noise reduction groove in the using process of a chip, thereby realizing the purpose of reducing noise, and a sound insulation layer comprising a damping sound insulation felt made of high-density EPDM or PVC high molecular material is arranged, and high-purity fine iron powder is used as raw material, so that the surface density of the sound insulation material is increased, and the sound insulation material shows excellent performance in the aspects of isolating air sound and impact sound.

However, the iron core has a complex internal structure, and a large number of gaps are generated, which affect the magnetic flux of the iron core and reduce the performance of the final product; meanwhile, the high-density polymer material and the high-purity fine iron powder adopted by the deadening felt are expensive materials, so that the manufacturing cost of the whole iron core reactor is high, and the economic practicability is poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an iron core with function of making an uproar is fallen aims at solving above-mentioned problem.

The technical scheme of the utility model as follows:

the utility model provides an iron core with function of making an uproar is fallen, includes air gap iron core body and plane iron core body, air gap iron core body with plane iron core body piles up by a plurality of E type iron chip and forms, all include the center pillar with two side columns of center pillar both sides, the center pillar of air gap iron core body with glue the bonding through epoxy between plane iron core body's the center pillar and connect, plane iron core body's bottom is provided with a plurality of stitch.

In one embodiment, the E-shaped iron core plates are provided with positioning holes, and fixing members for fixing the E-shaped iron core plates are arranged in the positioning holes.

In one embodiment, the side columns of the air-gap iron core body and the side columns of the planar iron core body are engraved with winding grooves.

In one embodiment, the center leg of the air-gap core body is shorter than the side legs thereof, and the center leg and the side legs of the planar core body are the same length.

In one embodiment, the number of pins is set to three.

In a preferred form, the stitches are in a linear arrangement.

In one embodiment, the air-gap core body and the planar core body are made of permalloy material.

The utility model has the advantages that: the iron core is formed by connecting and combining an air gap iron core and a plane iron core through epoxy resin glue, the epoxy resin glue has the function of conveniently and quickly connecting the air gap iron core and the plane iron core, and can play a role in buffering and reducing noise due to the fact that the epoxy resin glue is soft and elastic; the whole iron core is simple and clear in structure, regular in gap, small in magnetic flux influence on the iron core, and economical and practical in final products, and the preparation needs common materials.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of an air gap core body according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a single E-core plate according to an embodiment of the present invention.

In the figure: the iron core comprises a 1-air gap iron core body, a 2-plane iron core body, 3-epoxy resin glue, a 4-E type iron chip, a 5-middle column, a 6-side column, a 7-pin, an 8-positioning hole, a 9-fixing piece and a 10-winding groove.

Detailed Description

The invention will be described in further detail with reference to the following description of the drawings, it being understood that the described embodiments are merely individual embodiments of the invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention.

As shown in the figure, the iron core with the noise reduction function comprises an air gap iron core body 1 and a plane iron core body 2, wherein the air gap iron core body 1 and the plane iron core body 2 are formed by stacking a plurality of E-shaped iron chips 4 and respectively comprise a center column 5 and two side columns 6 on two sides of the center column 5, the center column 5 of the air gap iron core body 1 and the center column 5 of the plane iron core body 2 are bonded and connected through epoxy resin glue 3, and the epoxy resin glue 3 is soft and elastic, so that the effect of buffering and noise reduction can be achieved, and the noise generated during the operation of the iron core can be reduced; the bottom of the planar iron core body 2 is provided with three pins 7, and the three pins 7 are linearly arranged.

All be equipped with locating hole 8 on the E type iron core piece 4, be provided with in the locating hole 8 and fix the mounting 9 of E type iron core piece 4, locating hole 8 and mounting 9 have played the effect of fixing the E type iron core piece 4 that piles up. Before installation, antirust oil can be smeared in the positioning hole 8, so that the antirust oil flows into the air gap iron core body 1 and the planar iron core body 2, and the antirust performance of the air gap iron core is enhanced.

The side column 6 of the air gap iron core body 1 and the side column 6 of the plane iron core body 2 are all carved with the winding grooves 10, and the winding grooves 10 can enable copper wires to be clamped on the upper surface, so that the copper wires are prevented from being separated from the side column 6, and the normal use of the iron core is influenced.

The center pillar 5 length of air gap iron core body 1 is less than its side post 6, and the center pillar 5 of plane iron core body 2 is the same with 6 length of side post, and the iron core body simple structure of design so, the space rule is less to the magnetic flux influence of iron core, and the mould that corresponds is also convenient for make, does benefit to batch production.

The air gap iron core body 1 and the plane iron core body 2 are made of permalloy materials, the permalloy is a material with high magnetic conductivity, the permalloy is not easy to rust, and good rust-proof magnetic conductivity can be guaranteed.

It should be noted that, for those skilled in the art, similar changes and modifications can be made without departing from the inventive concept, and these should be construed as being within the scope of the present invention.

Claims

1. The utility model provides an iron core with function of making an uproar is fallen, includes air gap iron core body (1) and plane iron core body (2), its characterized in that: the air gap iron core body (1) and the plane iron core body (2) are formed by stacking a plurality of E-shaped iron chips (4) and respectively comprise a central column (5) and two side columns (6) positioned at two sides of the central column (5); center pillar (5) of air gap iron core body (1) with connect through epoxy glue (3) bonding between center pillar (5) of plane iron core body (2), the bottom of plane iron core body (2) is provided with a plurality of stitch (7).

2. The core of claim 1, wherein: all be equipped with locating hole (8) on E type iron core piece (4), be provided with in locating hole (8) fixed mounting (9) of E type iron core piece (4).

3. The core of claim 1, wherein: and winding grooves (10) are respectively carved on the side columns (6) of the air gap iron core body (1) and the side columns (6) of the plane iron core body (2).

4. The core of claim 1, wherein: the length of the center post (5) of the air gap iron core body (1) is smaller than that of the side post (6), and the length of the center post (5) of the plane iron core body (2) is the same as that of the side post (6).

5. The core of claim 1, wherein: the number of the pins (7) is three.

6. The core of claim 5, wherein: the pins (7) are arranged linearly.

7. The iron core according to any one of claims 1-6, wherein: the air gap iron core body (1) and the plane iron core body (2) are made of permalloy materials.