CN220895326U - Integrated transformer - Google Patents

Abstract

The utility model discloses an integrated transformer which comprises a base, a main transformer and a transformer, wherein the main transformer and the transformer are arranged on the base, the main transformer comprises a magnetic core assembly, a first coil and a second coil, the magnetic core assembly is provided with a first magnetic column and a second magnetic column, the first coil is wound on the first magnetic column, the second coil is wound on the second magnetic column, the transformer penetrates through the second coil or the first coil, and one end of the transformer is fixed with the base. According to the technical scheme, the main transformer and the mutual inductor are integrated on the base, so that the occupied space of the base is saved, the energy transmission efficiency is higher, and the plug-in unit cost is low; and the magnetic core component is two center posts, all winds on first magnetic core post and the second magnetic core post have the coil, reduces the product height.

Description

Integrated transformer

Technical Field

The utility model relates to the field of transformers, in particular to an integrated transformer.

Background

A Transformer (Transformer) is a device for changing an ac voltage using the principle of electromagnetic induction, and the main components are a first coil, a second coil, and an iron core (magnetic core). At present, the existing main transformer and the transformer are two independent elements, so that the energy transmission efficiency is low, and the plug-in cost is high.

Disclosure of utility model

The utility model mainly aims to provide an integrated transformer, which aims to improve energy transmission efficiency and reduce plug-in cost.

In order to achieve the above object, the integrated transformer provided by the utility model comprises a base, a main transformer and a transformer, wherein the main transformer and the transformer are arranged on the base, the main transformer comprises a magnetic core assembly, a first coil and a second coil, the magnetic core assembly is provided with a first magnetic column and a second magnetic column, the first coil is wound on the first magnetic column, the second coil is wound on the second magnetic column, the transformer penetrates through the second coil or the first coil, and one end of the transformer is fixed with the base.

In an embodiment, the integrated transformer further comprises a fixing component, the magnetic core assembly comprises a first magnetic core and a second magnetic core, the first magnetic core is located above the first coil and the second coil, the second magnetic core is located below the first coil and the second coil, and the fixing component is used for fixing the first magnetic core and the second magnetic core.

In an embodiment, the corresponding positions of the first magnetic core and the second magnetic core are respectively provided with a fixing groove, two ends of the fixing part are provided with fixing heads, and when the first magnetic core and the second magnetic core are stacked and connected, the fixing heads are buckled into the fixing grooves.

In one embodiment, the securing member is "C" shaped.

In an embodiment, the two fixing parts are symmetrically arranged at two sides of the magnetic core assembly respectively.

In an embodiment, the integrated transformer further comprises two gaskets, and the gaskets are arranged on contact surfaces of the first coil and the second coil and the first magnetic core and the second magnetic core.

In one embodiment, the gasket is a high temperature resistant material.

In an embodiment, the integrated transformer further comprises two isolation plates, and the two isolation plates are symmetrically located between the first magnetic core and the second magnetic core.

In an embodiment, the base is provided with a through hole, the main transformer is embedded into the through hole, and the base and the isolation plate are both made of insulating materials.

In one embodiment, the transformer is wound with a third coil, and the transformer is fixed on the base through an adhesive body.

According to the technical scheme, the main transformer and the mutual inductor are integrated on the base, so that the occupied space of the base is saved, the energy transmission efficiency is higher, and the plug-in unit cost is low; and the magnetic core component is two center posts, all winds on first magnetic core post and the second magnetic core post have the coil, reduces the product height.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a top view of an integrated transformer;

FIG. 2 is a front view of an integrated transformer;

fig. 3 is an exploded view of an integrated transformer.

Reference numerals illustrate:

1-base, 11-through hole, 2-main transformer, 21-magnetic core subassembly, 211-first magnetic column, 212-second magnetic column, 213-first magnetic core, 2131-fixed slot, 214-second magnetic core, 215-contact surface, 22-first coil, 23-second coil, 3-mutual inductor, 31-third coil, 4-fixed part, 41-fixed head, 5-division board.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" is presented throughout this document, it is intended to include three schemes in parallel, taking "a and/or B" as an example, including a scheme, or B scheme, or a scheme where a and B meet simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

In the embodiment of the utility model, as shown in fig. 1-3, the integrated transformer comprises a base 1, a main transformer 2 and a transformer 3, wherein the main transformer 2 and the transformer 3 are arranged on the base 1, the main transformer 2 comprises a magnetic core assembly 21, a first coil 22 and a second coil 23, the magnetic core assembly 21 is provided with a first magnetic column 211 and a second magnetic column 212, the first coil 22 is wound on the first magnetic column 211, the second coil 23 is wound on the second magnetic column 212, the transformer 3 is penetrated on the second coil 23 or the first coil 22, and one end of the transformer 3 is fixed with the base 1.

According to the technical scheme, the main transformer 2 and the mutual inductor 3 are integrated on the base 1, so that the space occupied by the base 1 is saved, the energy transmission efficiency is higher, and the plug-in unit cost is low; and the magnetic core assembly 21 is a double-center column, the first magnetic column 211 and the second magnetic column 212 are wound with coils, the product height is reduced, the transformer 3 can be arranged on the first coil 22 or the second coil 23 according to the requirements of different applications, the number of turns of the first coil 22 is different from that of the second coil 23, the first coil 22 is an input coil in the main transformer 2, and the input coil receives electric energy from a power supply. When a current is passed through the first coil 22, it generates a magnetic field. This magnetic field will pass through the core of the main transformer 2 and be transferred to the second coil 23. The function of the first coil 22 is to convert electrical energy into magnetic energy and to transfer the magnetic energy to the second coil 23; the second coil 23 is an output coil in the main transformer 2, which converts magnetic energy into electric energy, and when a magnetic field passes through the second coil 23, it generates a current, which is the current output by the main transformer 2, the second coil 23 functions to convert magnetic energy into electric energy and transfer the electric energy into a load, and the magnetic field transfer between the first coil 22 and the second coil 23 is the key of the operation of the main transformer 2; when the current in the first coil 22 changes, it generates a changing magnetic field. This varying magnetic field will pass through the core of the main transformer 2 and be transferred to the second coil 23. When the magnetic field passes through the second coil 23 it generates a current. The magnitude of this current depends on the strength of the magnetic field and the number of turns of the second coil 23, and therefore, by varying the current of the first coil 22 or the number of turns of the second coil 23, the output voltage of the main transformer 2 can be varied; the embodiment has the advantages of simple assembly, labor hour saving, space occupation of the base 1, manufacturing cost reduction, integration of 2 elements into a combined assembly, higher energy transmission efficiency and low plug-in cost; the magnetic core is changed into a double middle column, a skeleton-free process is adopted, the first magnetic column 211 and the second magnetic column 212 on the two sides can be wound, the product height is perfectly reduced, the product consistency is good, and the reject ratio is low; the body shape is greatly reduced, the service power supply is beneficial to reducing the body shape, the safety and stability of the product are improved, and the material cost is reduced.

In one embodiment, the integrated transformer further includes a fixing component 4, the magnetic core assembly 21 includes a first magnetic core 213 and a second magnetic core 214, the first magnetic core 213 is located above the first coil 22 and the second coil 23, the second magnetic core 214 is located below the first coil 22 and the second coil 23, and the fixing component 4 is used for fixing the first magnetic core 213 and the second magnetic core 214. Fixing grooves 2131 are respectively formed in corresponding positions of the first magnetic core 213 and the second magnetic core 214, fixing heads 41 are arranged at two ends of the fixing part 4, when the first magnetic core 213 and the second magnetic core 214 are stacked and connected, the fixing heads 41 are buckled into the fixing grooves 2131, the fixing part 4 can stabilize the connection of the first magnetic core 213 and the second magnetic core 214, stability of the integrated transformer is improved, and the first magnetic core 213 and the second magnetic core 214 are simply installed.

The fixing parts 4 are in a shape of 'C', the two fixing parts 4 are symmetrically arranged on two sides of the magnetic core assembly 21 respectively, the fixing parts 4 are tightly attached to the surfaces of the first magnetic core 213 and the second magnetic core 214, the suitability is high, and the fixing parts 4 can be steel clamps and have certain elasticity for clamping the first magnetic core 213 and the second magnetic core 214.

The integrated transformer further comprises two shims (not shown in the figure) arranged on contact surfaces 215 of the first and second coils 22, 23 with the first and second magnetic cores 213, 214, the shims passing through the first and second magnetic cores 213, 214; the gasket is made of high temperature resistant material, and the electrical level is used for isolating heat transfer between the first coil 22 and the second coil 23 and the first magnetic core 213 and the second magnetic core 214.

The integrated transformer further comprises two isolation plates 5, the two isolation plates 5 are symmetrically arranged between the first magnetic cores 213 and the second magnetic cores 214, the base 1 and the isolation plates 5 are made of insulating materials, the insulating materials can be epoxy plates, the base 1 is provided with through holes 11, the main transformer 2 is embedded into the through holes 11, so that the utilization of height space is maximized, the material of the base 1 can be saved, and the cost is reduced.

As shown in fig. 2, the transformer 3 is wound with a third coil 31, and the transformer 3 is fixed on the base 1 by an adhesive body, where the adhesive body is a common urea formaldehyde resin adhesive, a polyvinyl acetate adhesive, a polyacrylic resin, a polyurethane adhesive, a hot melt adhesive, an epoxy resin adhesive, a synthetic adhesive, or the like.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The utility model provides an integrated transformer, its characterized in that, integrated transformer include the base, set up in main transformer, the mutual-inductor on the base, main transformer includes magnetic core assembly, first coil, second coil, magnetic core assembly is provided with first magnetic pillar and second magnetic pillar, first coil wind in on the first magnetic pillar, the second coil wind in on the second magnetic pillar, the mutual-inductor has been worn on second coil or the first coil, mutual-inductor one end with the base is fixed.

2. The integrated transformer of claim 1, further comprising a securing member, the magnetic core assembly comprising a first magnetic core and a second magnetic core, the first magnetic core being positioned above the first coil and the second coil, the second magnetic core being positioned below the first coil and the second coil, the securing member being configured to secure the first magnetic core and the second magnetic core.

3. The integrated transformer of claim 2, wherein the first magnetic core and the second magnetic core are provided with fixing grooves respectively at corresponding positions, and fixing heads are arranged at two ends of the fixing part, and the fixing heads are buckled into the fixing grooves when the first magnetic core and the second magnetic core are stacked and connected.

4. An integrated transformer as claimed in claim 2 or 3, wherein the fixed component is "C" shaped.

5. The integrated transformer of claim 2, wherein the fixing members are provided in two, respectively symmetrically disposed at both sides of the magnetic core assembly.

6. The integrated transformer of claim 2, further comprising two shims disposed on the contact surfaces of the first and second coils with the first and second magnetic cores, respectively.

7. The integrated transformer of claim 6, wherein the gasket is a high temperature resistant material.

8. The integrated transformer of claim 2, further comprising two separator plates, two of the separator plates being symmetrically located between the first magnetic core and the second magnetic core.

9. The integrated transformer of claim 8, wherein the base is provided with a through hole, the main transformer is embedded in the through hole, and the base and the isolation plate are both made of insulating materials.

10. The integrated transformer of claim 1, wherein the transformer is wound with a third coil, and wherein the transformer is secured to the base by an adhesive.