CN113066647A - Modular winding high-frequency transformer - Google Patents

Modular winding high-frequency transformer Download PDF

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Publication number
CN113066647A
CN113066647A CN202010000400.8A CN202010000400A CN113066647A CN 113066647 A CN113066647 A CN 113066647A CN 202010000400 A CN202010000400 A CN 202010000400A CN 113066647 A CN113066647 A CN 113066647A
Authority
CN
China
Prior art keywords
winding
modular
primary
frequency transformer
magnetic core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010000400.8A
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Chinese (zh)
Inventor
裴学毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huangshan Hanwei Electronic Co ltd
Original Assignee
Huangshan Hanwei Electronic Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huangshan Hanwei Electronic Co ltd filed Critical Huangshan Hanwei Electronic Co ltd
Priority to CN202010000400.8A priority Critical patent/CN113066647A/en
Publication of CN113066647A publication Critical patent/CN113066647A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306—Fastening or mounting coils or windings on core, casing or other support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F19/00—Fixed transformers or mutual inductances of the signal type
    • H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/2823—Wires
    • H01F27/2828—Construction of conductive connections, of leads
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/33—Arrangements for noise damping

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Multimedia (AREA)
  • Coils Of Transformers For General Uses (AREA)
  • Coils Or Transformers For Communication (AREA)

Abstract

The invention discloses a modular winding high-frequency transformer, which comprises a modular winding component and a magnetic core component, wherein the modular winding component is arranged on the magnetic core component; the modular winding assembly comprises a primary modular winding and a secondary modular winding, wherein the primary modular winding and the secondary modular winding both comprise winding skeletons and winding coils, the winding skeletons are provided with winding grooves, winding turns of the winding coils are continuously wound in the winding grooves along the radial direction of the winding coils, the winding skeletons are provided with pins, and leading-out wires of the winding coils are fixed and connected on the pins; the magnetic core assembly is provided with a center pillar, and the modularized winding assembly is sleeved on the center pillar of the magnetic core; the magnetic core center pillar is equipped with the air gap. Different modular windings are combined with each other in production, so that the parameter performance of the high-frequency transformer can be changed at will, and the high-frequency transformer is suitable for different occasions; the modularized windings are independently separated, so that the insulation problem between the windings and between pins is solved, and labor and materials are saved; especially, the size parameters of the modularized windings are consistent, the full-automatic production conditions of the machine are met, the production efficiency is improved, the labor difficulty is relieved, and the cost is reduced.

Description

Modular winding high-frequency transformer
Technical Field
The invention relates to the field of transformers, in particular to a modular winding high-frequency transformer.
Background
The high-frequency transformer has the advantages of small volume, light weight, high conversion efficiency, high power density, low loss and the like, and can quickly replace the traditional linear transformer to be widely applied to various industries, so the market demand is characterized by huge quantity and various varieties; in the existing production mode of the high-frequency transformer, one framework corresponds to one high-frequency transformer, so that the frameworks have various types, the process flow is not uniform, and the purchasing, production and management costs are increased greatly; and when the winding is manufactured by the traditional method, the primary winding and the secondary winding are usually wound on the same framework according to a certain sequence, namely, the rear winding is wound on the front winding in a pressing manner, in order to meet the safety requirement, Mylar adhesive tapes and end control adhesive tapes are required to be added among the windings for isolation, lead-out wires of the windings are isolated by Teflon sleeves, a large number of adhesive tapes are used, the environment is not protected, the process of adding the adhesive tapes and the sleeves needs to be operated manually, the machine operation cannot be carried out, the cost is increased, the production efficiency is low, and the product consistency is poor.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a modular winding high-frequency transformer, a primary modular winding and a secondary modular winding of the modular winding high-frequency transformer can be matched and combined according to the use of the transformer, a framework does not need to correspond to the transformer, and the problems that in the traditional production mode of the high-frequency transformer, the frameworks are various, the production process is complex and can not be unified, the mechanized batch production can not be realized, the time and the materials are wasted, the efficiency is low, the cost is high, and the management is difficult are solved.
The purpose of the invention is realized by adopting the following technical scheme:
a modular winding high-frequency transformer comprises a modular winding assembly and a magnetic core assembly;
the modular winding assembly comprises a primary modular winding and a secondary modular winding;
the primary modular winding comprises a primary winding framework and a primary winding coil, the primary winding framework is provided with a primary winding groove, the winding turns of the primary winding coil are continuously wound in the primary winding groove along the radial direction of the primary winding coil, the primary winding framework is provided with a primary winding coil pin, and the outgoing line of the primary winding coil is fixed and connected to the primary winding coil pin;
the secondary modular winding comprises a secondary winding framework and a secondary winding coil, the secondary winding framework is provided with a secondary winding groove, the winding turns of the secondary winding coil are continuously wound in the secondary winding groove along the radial direction of the secondary winding coil, the secondary winding framework is provided with a secondary winding coil pin, and the outgoing line of the secondary winding coil is fixed and connected to the secondary winding coil pin;
the magnetic core assembly is provided with a magnetic core center pillar, and the modularized winding assembly is sleeved on the magnetic core center pillar; the magnetic core center pillar is equipped with the air gap.
Further, the primary modular winding and the secondary modular winding are arranged in an axially overlapped mode along the primary winding coil and the secondary winding coil.
Further, the modular winding assembly includes at least one or more of the primary modular windings and includes at least one or more of the secondary modular windings, the sum of the number of primary and secondary modular windings being no less than 3.
Furthermore, the primary winding coil and the secondary winding coil are both wound by insulating wires with the outer diameter ranging from 0.05mm to 0.8 mm.
Furthermore, the primary modular winding and the secondary modular winding are provided with positioning buckles and positioning buckle grooves which are mutually buckled and fixed.
Further, an adhesive is applied between the primary modular winding and the secondary modular winding or between the secondary modular winding and the secondary modular winding.
Further, adhesives are applied to the seam of the magnetic core assembly and the air gap.
Further, the magnetic core assembly is coated with adhesive tape.
Compared with the prior art, the invention has the beneficial effects that: the modular winding assembly formed by overlapping the primary modular winding and the secondary modular winding is adopted, and the high-frequency transformer can meet the requirements of different performance parameters only by replacing different modular windings in the assembly in production without the need of corresponding one product to one framework; the coils of each winding are independently separated and naturally isolated, so that the process of separating by using a Mylar adhesive tape and an end control adhesive tape and insulating by using a Teflon sleeve is omitted, and the time, the labor and the materials are saved; especially, the modular winding has good consistency, meets the full-automatic production conditions of mechanization, relieves the problems of difficult and expensive labor and improves the production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a modular winding high-frequency transformer according to an embodiment of the present invention;
FIG. 2 is an exploded view of the modular winding high frequency transformer of FIG. 1;
FIG. 3 is a schematic diagram of the primary modular winding and the secondary modular winding of FIG. 2;
fig. 4 is a schematic diagram of a magnetic core assembly.
In the figure: 100. a modular winding assembly; 110. a primary modular winding; 111. a primary winding former; 112. a primary winding slot; 113. a primary winding coil pin; 114. a primary modular winding positioning buckle; 115. a primary modular winding positioning snap groove; 116. a primary winding coil; 117. a primary winding coil lead-out wire; 120. a secondary modular winding; 121. a secondary winding former; 122. a secondary winding slot; 123. a secondary winding coil pin; 124. secondary modular winding buckle; 125. a secondary modular winding positioning snap groove; 126. a secondary winding coil; 127. a secondary winding coil lead-out wire; 200. a magnetic core assembly; 201. A magnetic core center pillar; 202. an air gap.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Fig. 1 and 2 show a modular winding high-frequency transformer, which comprises a modular winding assembly 100, a magnetic core assembly 200; the modular winding assembly 100 includes a primary modular winding 110 and a secondary modular winding 120, which are sleeved on the magnetic core center pillar 201.
As shown in fig. 3, the primary modular winding 110 includes a primary winding bobbin 111 and a primary winding coil 116, the primary winding bobbin 111 is provided with a primary winding slot 112, a winding turn of the primary winding coil 116 is continuously wound in the primary winding slot 112 along a radial direction of the primary winding coil 116, the primary winding bobbin 111 is provided with a primary winding coil pin 113, and an outgoing line 117 of the primary winding coil 116 is fixed and connected to the primary winding coil pin 113;
the secondary modular winding 120 comprises a secondary winding frame 121 and a secondary winding coil 126, wherein a secondary winding slot 122 is arranged on the secondary winding frame 121, a winding turn of the secondary winding coil 126 is continuously wound in the secondary winding slot 122 along the radial direction of the secondary winding coil 126, a secondary winding coil pin 123 is arranged on the secondary winding frame 121, and an outgoing line 127 of the secondary winding coil 126 is fixed and connected to the secondary winding coil pin 123. The manufacturing method of the winding coil and the method for fixing and connecting the outgoing line of the winding coil to the pin of the winding coil both belong to the prior art and are not described again.
As shown in fig. 4, the magnetic core assembly 200 is formed by combining two E-shaped magnetic cores, the top end of the center pillar 201 is ground short, and an air gap 202 is formed after the magnetic cores are combined to prevent the magnetic cores from being saturated.
In a preferred embodiment, the primary modular winding 110 and the secondary modular winding 120 are stacked on each other along the axial direction of the primary winding coil 116 and the secondary winding coil 126, that is, the primary modular winding 110 and the secondary modular winding 120 form a modular winding assembly 100 in a stacked manner, so that the modular winding assembly 100 can be reduced in size, small and compact, and can reduce leakage inductance and improve efficiency.
As a preferred embodiment, the modular winding assembly 100 comprises at least one or more primary modular windings 110 and at least one or more secondary modular windings 120, the sum of the number of primary modular windings 110 and secondary modular windings 120 being not less than 3. One or more primary modular windings 110 and secondary modular windings 120 are combined with each other in different modes, so that multi-path electric energy can be output at will, different requirements can be met, leakage inductance can be adjusted, and the withstand voltage under the condition that the secondary modular windings 120 are connected in series in a boosting occasion can be increased; when 1 set of primary modular winding 110 and 2 sets of secondary modular winding 120 (one set of output and one set of feedback) work together for 3 sets of windings, the output is more stable.
In a preferred embodiment, the primary winding coil 116 and the secondary winding coil 126 are both wound by insulated wires with the outer diameter ranging from 0.05mm to 0.8mm, so that the difficulty of winding the coils by using too thin wires and the difficulty of winding the coils by using too thick and too hard wires are avoided.
In a preferred embodiment, each of the primary modular winding 110 and the secondary modular winding 120 is provided with a positioning buckle 124 and a positioning buckle groove 125 for fastening to each other. That is, when the primary modular winding 110 and the secondary modular winding 120 are stacked in any order, the front positioning fastener 124 is inserted into the rear positioning fastener slot 125, so as to enhance the overall strength of the modular winding assembly 100, facilitate positioning, and increase stability.
As a preferred embodiment, an adhesive is applied between the primary modular winding 110 and the secondary modular winding 120 or between the secondary modular winding 120 and the secondary modular winding 120, so that the overall strength of the modular winding high-frequency transformer is increased, and looseness during transportation and use is avoided.
As a preferred embodiment, adhesives are applied to the joints of the magnetic core assembly 200 and the air gaps 202, so as to avoid inductance variation of the modular winding high-frequency transformer and reduce noise.
As a preferred embodiment, the magnetic core assembly 200 is coated with an adhesive tape to prevent the magnetic core from loosening, thereby facilitating label printing.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention should not be limited thereby, and any insubstantial modifications and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (8)

1. A modular winding high-frequency transformer, characterized in that: the modular winding high-frequency transformer comprises a modular winding assembly and a magnetic core assembly;
the modular winding assembly comprises a primary modular winding and a secondary modular winding;
the primary modular winding comprises a primary winding framework and a primary winding coil, the primary winding framework is provided with a primary winding groove, the winding turns of the primary winding coil are continuously wound in the primary winding groove along the radial direction of the primary winding coil, the primary winding framework is provided with a primary winding coil pin, and the outgoing line of the primary winding coil is fixed and connected to the primary winding coil pin;
the secondary modular winding comprises a secondary winding framework and a secondary winding coil, the secondary winding framework is provided with a secondary winding groove, the winding turns of the secondary winding coil are continuously wound in the secondary winding groove along the radial direction of the secondary winding coil, the secondary winding framework is provided with a secondary winding coil pin, and the outgoing line of the secondary winding coil is fixed and connected to the secondary winding coil pin;
the magnetic core assembly is provided with a magnetic core center pillar, and the modularized winding assembly is sleeved on the magnetic core center pillar; the magnetic core center pillar is equipped with the air gap.
2. The modular winding high frequency transformer of claim 1, characterized in that: the primary modular winding and the secondary modular winding are axially overlapped along the primary winding coil and the secondary winding coil.
3. The modular winding high frequency transformer of claim 1, characterized in that: the modular winding assembly includes at least one or more of the primary modular windings and includes at least one or more of the secondary modular windings, the sum of the number of primary and secondary modular windings being no less than 3.
4. The modular winding high frequency transformer of claim 1, characterized in that: the primary winding coil and the secondary winding coil are both wound by insulating wires with the outer diameter ranging from 0.05mm to 0.8 mm.
5. The modular winding high frequency transformer of claim 1, characterized in that: and the primary modular winding and the secondary modular winding are respectively provided with a positioning buckle and a positioning buckle groove which are mutually buckled and fixed.
6. The modular winding high frequency transformer according to any of claims 1-5, characterized in that: and adhesives are applied between the primary modular winding and the secondary modular winding or between the secondary modular winding and the secondary modular winding.
7. The modular winding high frequency transformer according to any of claims 1-5, characterized in that: and adhesives are applied to the seam of the magnetic core assembly and the air gap.
8. The modular winding high frequency transformer according to any of claims 1-5, characterized in that: and the magnetic core component is coated with adhesive tapes.
CN202010000400.8A 2020-01-02 2020-01-02 Modular winding high-frequency transformer Pending CN113066647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010000400.8A CN113066647A (en) 2020-01-02 2020-01-02 Modular winding high-frequency transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010000400.8A CN113066647A (en) 2020-01-02 2020-01-02 Modular winding high-frequency transformer

Publications (1)

Publication Number Publication Date
CN113066647A true CN113066647A (en) 2021-07-02

Family

ID=76557953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010000400.8A Pending CN113066647A (en) 2020-01-02 2020-01-02 Modular winding high-frequency transformer

Country Status (1)

Country Link
CN (1) CN113066647A (en)

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