CN220400385U - Transformer with flat structure - Google Patents

Transformer with flat structure Download PDF

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Publication number
CN220400385U
CN220400385U CN202321709406.8U CN202321709406U CN220400385U CN 220400385 U CN220400385 U CN 220400385U CN 202321709406 U CN202321709406 U CN 202321709406U CN 220400385 U CN220400385 U CN 220400385U
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magnetic
primary coil
secondary coil
transformer
magnetic core
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CN202321709406.8U
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Chinese (zh)
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张全
吕鹏飞
王磊
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Jilin Xinyifeng Engineering Co ltd
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Individual
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Abstract

The utility model relates to the technical field of transformers, in particular to a flat-structure transformer, which comprises a transformer component composed of a magnetic core, a primary coil and a secondary coil, wherein the magnetic core comprises a magnetic column wound by the secondary coil and the primary coil and a magnetic yoke used for enabling a magnetic circuit on which the magnetic column passes to be closed, the secondary coil and the primary coil are spirally and alternately wound on the same magnetic column, the diameters of the cross sections of the secondary coil and the primary coil are equal, the outer surface of the magnetic column is provided with double-spiral spacers for positioning the secondary coil and the primary coil in a one-to-one correspondence manner, the double-spiral spacers are made of insulating materials, and the magnetic leakage phenomenon can be further reduced and the energy loss is reduced by arranging the primary coil and the secondary coil in the same axis and the same radius of the cross section.

Description

Transformer with flat structure
Technical Field
The utility model relates to the technical field of transformers, in particular to a transformer with a flat structure.
Background
The transformer mainly comprises a primary winding and a secondary winding, a magnetic core is needed to guide a magnetic induction line in order to reduce the magnetic leakage phenomenon between the primary winding and the secondary winding, the main improvement point of the existing flat-structure transformer is the improvement of a magnetic core material, namely an amorphous alloy transformer, the principle of the existing flat-structure transformer is the same as that of the traditional transformer, the magnetic core material is mainly made of iron, cobalt, nickel, chromium and manganese, a small amount of boron, carbon, silicon and phosphorus is added, the ferromagnetic property of the material is good, the iron loss of the material is seventy percent to eighty percent lower than that of the common noble port transformer, no-load loss is less, therefore, the transformer is energy-saving and environment-friendly, but the defect is that the amorphous alloy material has high hardness and high brittleness and can not be sheared, only strips with specific width can be manufactured, and only long rectangular transformers can be manufactured due to the limitation of the strips. Although the existing flat structure transformer is excellent in performance, it can be further improved.
As shown in fig. 1, in the conventional transformer, the primary coil 203 and the secondary coil 204 are respectively sleeved on opposite sides of a rectangular magnetic core in a one-to-one correspondence manner, wherein a part sleeved by the coil is a magnetic pole 201, a part not sleeved by the coil is a magnetic yoke 202, the magnetic yoke 202 is used for closing a magnetic induction wire, the magnetic core can guide the magnetic induction wire, but still part of the magnetic induction wire is not distributed according to the rectangular magnetic core, a magnetic leakage phenomenon still occurs, as shown in fig. 2, the secondary coil 204 and the primary coil 203 are distributed according to the same axis, an insulating layer is arranged between the primary coil 203 and the external secondary coil 204, and when the primary coil 203 is electrified with alternating current, the generated magnetic induction wire can mostly pass through the secondary coil 204, but the magnetic induction wire of part of the primary coil 203 also passes through the insulating layer and directly returns to the primary coil 203, and the part cannot cause the secondary coil 204 to generate induced electromotive force and also generate the magnetic leakage phenomenon.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: by arranging the primary coil and the secondary coil with the same axis and the same radius of the cross section, the magnetic leakage phenomenon can be further reduced, and the energy loss can be reduced.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a flat structure's transformer, includes the transformation subassembly that constitutes by magnetic core, primary and secondary coil, the magnetic core includes by secondary and primary winding's magnetic pillar and is used for making the magnetic circuit that the magnetic pillar worn closed, secondary and primary coil spiral alternately twine on same magnetic pillar, just the cross section diameter of secondary and primary coil equals.
The beneficial effects of the utility model are as follows: the primary coil and the secondary coil with the same diameter are spirally and alternately wound on the same magnetic column, so that magnetic leakage can be further reduced, and the energy utilization can be improved.
In order to enable the positions of the primary and secondary coils to be relatively stabilized on the magnet post.
As a further improvement of the technical scheme, the outer surface of the magnetic column is provided with double-spiral spacers for positioning the secondary coil and the primary coil in a one-to-one correspondence manner, and the double-spiral spacers are made of insulating materials.
The beneficial effects of this improvement are: the primary coil and the secondary coil are spirally wound and stabilized on the magnetic column in a crossed mode by arranging the double-spiral spacer.
In order to facilitate the reservation of a suitable air gap between the cores.
As a further improvement of the technical scheme, the magnetic core comprises two butt joint units, each butt joint unit comprises a magnetic column and two magnetic yokes extending from the end parts of the magnetic columns, the cross sections of the butt joint units formed by the two magnetic yokes and the magnetic columns are in a shape of Chinese character 'shan', and the magnetic columns of the two shan-shaped butt joint units are aligned with the magnetic yokes to form the magnetic core.
The beneficial effect of this improvement: the magnetic core is formed between the two butt joint units in a splicing mode, an air gap is formed after the splicing, the magnetic resistance of the magnetic core can be increased, the magnetic resistance is prevented from being too small, the magnetic conductor can rapidly reach magnetic saturation, the magnetic conductor can not inhibit the increase of current once the magnetic conductor is saturated, and the magnetic resistance formed by the splicing units can be adjusted.
In order to enable protection of the transformer assembly.
As a further improvement of the technical scheme, the transformer further comprises a shell arranged outside the transformer assembly, and the shell is further provided with binding posts of the secondary coil and the primary coil.
The beneficial effects of this improvement are: the casing can protect the voltage transformation subassembly, and the terminal is convenient for wire connection to the transformer.
In order to allow a better dissipation of heat inside the housing.
As a further improvement of the above, the housing is provided with a heat sink on the outside.
The beneficial effect of this improvement, the fin can make the heat that produces more quick the dispelling.
In order to make the core universal.
As a further improvement of the above scheme, the magnetic core adopts a ferro-silicon-aluminum magnetic core, a nickel-zinc magnetic core, a manganese-zinc magnetic core or an iron powder-zinc magnetic core.
The beneficial effect of this improvement, the magnetic core can adopt the material of multiple current magnetic core.
In order to make the cross spiral winding of the primary coil and the secondary coil more compact, the shaping is convenient.
As a further improvement of the scheme, the primary coil and the secondary coil are made of flat copper wires.
The beneficial effect of this improvement: the flat copper wire material can enable more compact between the coils, and inductance resistance is lower, and the electrical property is better, has higher energy efficiency.
Drawings
FIG. 1 is a schematic diagram of a first transformer structure according to the prior art;
FIG. 2 is a schematic diagram of a second transformer structure according to the prior art;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a cross-sectional view of the present utility model;
FIG. 5 is a schematic diagram of a transformer structure of the present utility model;
FIG. 6 is a schematic diagram of a transformer structure of the present utility model with a primary coil separated from a secondary coil;
fig. 7 is a schematic diagram of the structure of fig. 6 according to the present utility model.
In the figure: 1. a housing; 2. a voltage transformation assembly; 201. a magnetic column; 202. a yoke; 203. a primary coil; 204. a secondary coil; 205. double spiral spacers; 3. binding posts; 4. a heat sink.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1 to 7, a flat-structure transformer comprises a transformer assembly 2 composed of a magnetic core, a primary coil 203 and a secondary coil 204, wherein the magnetic core comprises a magnetic column 201 wound by the secondary coil 204 and the primary coil 203 and a magnetic yoke 202 for closing a magnetic circuit penetrating through the magnetic column 201, the secondary coil 204 and the primary coil 203 are spirally and alternately wound on the same magnetic column 201, the diameters of the cross sections of the secondary coil 204 and the primary coil 203 are equal, the primary coil 203 and the secondary coil 204 with the same diameters are spirally and alternately wound on the same magnetic column 201, the leakage flux can be further reduced, the energy utilization is improved, a double-spiral spacer 205 for positioning the secondary coil 204 and the primary coil 203 in a one-to-one correspondence manner is arranged on the outer surface of the magnetic column 201, the double-spiral spacer 205 is made of an insulating material, the primary coil 203 and the secondary coil 204 can be spirally wound and stabilized on the magnetic column 201 in a crossed manner by arranging the double-spiral spacer 205, the magnetic core comprises two butting units, one butting unit comprises one magnetic column 201 and two magnetic yokes 202 extending from the end parts of the magnetic column 201, the cross sections of the butting units formed by the two magnetic yokes 202 and the magnetic column 201 are in a mountain shape, the magnetic columns 201 of the two mountain-shaped butting units are aligned with the magnetic yokes 202 to form the magnetic core, the two butting units form the magnetic core in a splicing manner, an air gap is formed after the magnetic core is spliced, the magnetic core magnetic resistance can be increased, the magnetic conductor can not inhibit the increase of current once the magnetic conductor rapidly reaches magnetic saturation, the magnetic conductor can adjust the magnetic resistance through the magnetic resistance formed by the splicing unit, the shell 1 arranged outside the voltage transformation assembly 2 is further arranged, the shell 1 is further provided with a binding post 3 of a secondary coil 204 and a primary coil 203, the shell 1 can protect a transformer assembly 2, the binding post 3 is convenient for wire connection to a transformer, a radiating fin 4 is arranged outside the shell 1, the radiating fin 4 can enable generated heat to be rapidly dissipated, the magnetic core is made of a Fe-Si-Al magnetic core, a Ni-Zn magnetic core, a Mn-Zn magnetic core and an Fe-Zn magnetic core or an amorphous alloy material, the amorphous alloy material is made of iron, cobalt, nickel, chromium and manganese, a small amount of boron, carbon, silicon and phosphorus are added, the ferromagnetic performance of the amorphous alloy material is better than that of a traditional magnetic core, the magnetic core can be made of various existing magnetic core materials, preferably an amorphous alloy material, the primary coil 203 and the secondary coil 204 are made of flat copper wires, the flat copper wires can enable the coils to be more compact, the inductance resistance is lower, the electrical performance is better, and the energy efficiency is higher.
The working principle of the utility model is as follows: the primary coil 203 and the secondary coil 204 with the same diameter are spirally wound on the same magnetic column 201 in a crossed and spiral mode, magnetic leakage can be further reduced, energy loss is reduced, meanwhile, the magnetic column 201 is provided with the double-spiral spacer 205, stability of the primary coil 203 and the secondary coil 204 can be further guaranteed, the shell 1 is used for protecting the transformer assembly 2, and meanwhile, the radiating fin 4 is installed to facilitate dissipation of generated heat.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that, due to the limited text expressions, there is virtually no limit to the specific structure, and that, for a person skilled in the art, modifications, alterations and combinations of these features may be made in a suitable manner without departing from the principles of the present utility model; such modifications, variations and combinations, or applications of the concepts and aspects of the utility model in other applications without modification, are contemplated as falling within the scope of the utility model.

Claims (7)

1. A transformer of flat construction, comprising a transformer assembly (2) consisting of a magnetic core, a primary coil (203) and a secondary coil (204), the magnetic core comprising a magnetic leg (201) wound by the secondary coil (204) and the primary coil (203) and a yoke (202) for closing a magnetic circuit on which the magnetic leg (201) is put, characterized in that: the secondary coil (204) and the primary coil (203) are spirally and alternately wound on the same magnetic column (201), and the cross section diameters of the secondary coil (204) and the primary coil (203) are equal.
2. A flat structure transformer according to claim 1, wherein: the outer surface of the magnetic column (201) is provided with double-spiral spacers (205) for positioning the secondary coil (204) and the primary coil (203) in a one-to-one correspondence mode, and the double-spiral spacers (205) are made of insulating materials.
3. A flat structure transformer according to claim 2, characterized in that: the magnetic core comprises two butt joint units, wherein each butt joint unit comprises a magnetic column (201) and two magnetic yokes (202) extending from the end parts of the magnetic columns (201), the cross sections of the butt joint units formed by the two magnetic yokes (202) and the magnetic columns (201) are in a mountain shape, and the magnetic columns (201) of the mountain-shaped butt joint units are aligned with the magnetic yokes (202) to form the magnetic core.
4. A flat structure transformer according to claim 3, wherein: the transformer is characterized by further comprising a shell (1) arranged outside the transformer assembly (2), and binding posts (3) of a secondary coil (204) and a primary coil (203) are further arranged on the shell (1).
5. The transformer of claim 4, wherein the transformer comprises: a radiating fin (4) is arranged outside the shell (1).
6. A flat structure transformer according to claim 1, wherein: the magnetic core adopts a ferro-silicon-aluminum magnetic core, a nickel-zinc magnetic core, a manganese-zinc magnetic core or an iron powder-zinc magnetic core.
7. A flat structure transformer according to claim 1, wherein: the primary coil (203) and the secondary coil (204) are made of flat copper wires.
CN202321709406.8U 2023-07-03 2023-07-03 Transformer with flat structure Active CN220400385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321709406.8U CN220400385U (en) 2023-07-03 2023-07-03 Transformer with flat structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321709406.8U CN220400385U (en) 2023-07-03 2023-07-03 Transformer with flat structure

Publications (1)

Publication Number Publication Date
CN220400385U true CN220400385U (en) 2024-01-26

Family

ID=89609308

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321709406.8U Active CN220400385U (en) 2023-07-03 2023-07-03 Transformer with flat structure

Country Status (1)

Country Link
CN (1) CN220400385U (en)

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Effective date of registration: 20240229

Address after: 131200 Community 2, Jiaoxiao Jiuhao Village, Sanchahe Town, Fuyu City, Songyuan City, Jilin Province

Patentee after: Qiao Jingchun

Country or region after: China

Patentee after: Wang Dingwen

Patentee after: Han Jinyou

Address before: 024000 Group 4, Erdong Huangcun, wutong Flower Town, Ongniud Banner, Chifeng City, Inner Mongolia Autonomous Region

Patentee before: Zhang Quan

Country or region before: China

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Effective date of registration: 20240313

Address after: 131200 Community 2, Xiaojiuhao Village, Sanchahe Town, Fuyu City, Songyuan City, Jilin Province

Patentee after: Jilin Xinyifeng Engineering Co.,Ltd.

Country or region after: China

Address before: 131200 Community 2, Jiaoxiao Jiuhao Village, Sanchahe Town, Fuyu City, Songyuan City, Jilin Province

Patentee before: Qiao Jingchun

Country or region before: China

Patentee before: Wang Dingwen

Patentee before: Han Jinyou

TR01 Transfer of patent right