CN107248449B - Progressive winding process for transformer - Google Patents
Progressive winding process for transformer Download PDFInfo
- Publication number
- CN107248449B CN107248449B CN201710166116.6A CN201710166116A CN107248449B CN 107248449 B CN107248449 B CN 107248449B CN 201710166116 A CN201710166116 A CN 201710166116A CN 107248449 B CN107248449 B CN 107248449B
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- CN
- China
- Prior art keywords
- winding
- wire
- framework
- secondary coil
- turns
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/08—Winding conductors onto closed formers or cores, e.g. threading conductors through toroidal cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/10—Connecting leads to windings
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
- Coil Winding Methods And Apparatuses (AREA)
Abstract
The invention discloses a progressive winding process for a transformer, which relates to the field of transformers and comprises the following process steps: calculating a turn ratio; determining the number of turns; winding; and removing stitches, trimming, stripping paint and installing pins. The coil of the transformer is wound in a progressive mode, so that the transformer is safer and more reliable, and is small in magnetic leakage and high in efficiency. The winding is that two kinds of lines of enameled wire and auxiliary wire are adopted to be wound together, so that the progressive ratio of the enameled wire is more accurate, the primary coil and the secondary coil can realize more accurate turn ratio, and the cross regulation rate of multi-path output can be improved.
Description
Technical Field
The invention relates to the field of transformers, in particular to a progressive winding process of a transformer.
Background
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a transformer progressive winding process with a progressive winding coil.
The technical problem solved by the invention can be realized by adopting the following technical scheme: a progressive winding process of a transformer comprises the following process steps:
(1) calculating the turn ratio: calculating the turn ratio on the framework of the transformer according to the input voltage and the output voltage;
(2) determining the number of turns: determining the theoretical turns on the secondary coil according to the turns and the turn ratio of the primary coil, and converting the theoretical turns on the secondary coil into integral turns;
(3) winding: winding the enameled wire and the auxiliary wire on the framework by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for a plurality of circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, reducing the number of circles of the auxiliary wire on the framework for surrounding, sequentially surrounding the enameled wire and the auxiliary wire until two circles of the enameled wire are surrounded;
(4) removing stitches, trimming and stripping paint: removing the auxiliary wire on the framework, cutting the enameled wire from the wire guide wheel, adjusting to enable two copper wires at the head and the tail of the wire to be equal in length, and stripping the trimmed wire packet;
(5) and installing pins: pins are arranged on the primary coil and the secondary coil, and the positions of the pins of a small number of turns of the secondary coil are adjusted to enable the voltage value output by the secondary coil to be close to the required rated output voltage value.
Preferably, the skeleton is a magnetic core, and the skeleton forms a ring shape.
Preferably, the step (3) is followed by winding a shielding layer around the bobbin between the primary coil and the secondary coil or between the secondary coil and the secondary coil.
Preferably, the pins in step (5) are located at the upper and lower ends of the primary coil or the secondary coil.
Preferably, after step (5), the primary coil is powered on and the voltage is measured at the pin of the secondary coil using a high voltage tester.
Preferably, the PIN is a PIN connected to the transformer by laser welding.
The beneficial effects are that: the coil of the transformer is wound in a progressive mode, so that the transformer is safer and more reliable, and is small in magnetic leakage and high in efficiency. The winding is that two kinds of lines of enameled wire and auxiliary wire are adopted to twine jointly for the gradual rate of enameled wire is more accurate, reduces unnecessary consumption, makes primary coil and secondary coil can realize more accurate turn ratio, can improve the cross adjustment rate of multiplexed output.
Detailed Description
Example 1
Preferred embodiments of the present invention are described in detail below.
The invention relates to a specific implementation mode of a progressive winding process of a transformer, which comprises the following steps: a progressive winding process of a transformer comprises the following process steps: (1) calculating the turn ratio: calculating the turn ratio of the two side frameworks of the transformer according to the input voltage and the output voltage; (2) determining the number of turns: determining the theoretical turns on the secondary coil according to the turns and the turn ratio of the primary coil, and converting the theoretical turns on the secondary coil into integral turns; (3) winding: winding the enameled wire and the auxiliary wire on a primary coil of a framework of the annular magnetic core by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for 15 circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, winding the auxiliary wire on the framework for 14 circles, then winding the enameled wire and 13 circles of auxiliary wire until the auxiliary wire is wound, and finally winding two circles of enameled wires; then, winding the enameled wire and the auxiliary wire on a secondary coil of the framework by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for 5 circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, winding the auxiliary wire on the framework for 4 circles, then winding the enameled wire for one circle and 3 circles of auxiliary wire until the auxiliary wire is wound, and finally winding two circles of enameled wires; then winding a shielding layer between the primary coil and the secondary coil on the framework; (4) removing stitches, trimming and stripping paint: removing the auxiliary wire on the framework, cutting the enameled wire from the wire guide wheel, adjusting to enable two copper wires at the head and the tail of the wire to be equal in length, and stripping the trimmed wire packet; (5) and installing pins: PIN PINs connected to the transformer at the upper and lower ends of the primary coil and the secondary coil in a laser electric welding mode are used as PINs, and the positions of the PINs of a small number of turns of the secondary coil are adjusted to enable the voltage value output by the secondary coil to be close to the required rated output voltage value. The decimal turns are the number of turns which take any two different pins on the transformer as a starting point and an end point and wind less than one turn of the transformer framework. Finally, the primary coil is powered on, and a high voltage tester is used for measuring voltage on the pin of the secondary coil.
Example 2
Preferred embodiments of the present invention are described in detail below.
The invention relates to a specific implementation mode of a progressive winding process of a transformer, which comprises the following steps: a progressive winding process of a transformer comprises the following process steps: (1) calculating the turn ratio: calculating the turn ratio of the two side frameworks of the transformer according to the input voltage and the output voltage; (2) determining the number of turns: determining the theoretical turns on the secondary coil according to the turns and the turn ratio of the primary coil, and converting the theoretical turns on the secondary coil into integral turns; (3) winding: winding the enameled wire and the auxiliary wire on a primary coil of a framework of the annular magnetic core by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for 15 circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, winding the auxiliary wire on the framework for 14 circles, then winding the enameled wire and 13 circles of auxiliary wire until the auxiliary wire is wound, and finally winding two circles of enameled wires; then, winding the enameled wire and the auxiliary wire on a secondary coil of the framework by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for 8 circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, winding the auxiliary wire on the framework for 7 circles, then winding the enameled wire for one circle and the auxiliary wire for 6 circles until the auxiliary wire is wound, and finally winding two circles of enameled wires; then winding a shielding layer between the primary coil and the secondary coil on the framework; (4) removing stitches, trimming and stripping paint: removing the auxiliary wire on the framework, cutting the enameled wire from the wire guide wheel, adjusting to enable two copper wires at the head and the tail of the wire to be equal in length, and stripping the trimmed wire packet; (5) and installing pins: pins are arranged at the upper end and the lower end of the primary coil and the secondary coil, and the positions of the pins of a small number of turns of the secondary coil are adjusted to enable the voltage value output by the secondary coil to be close to the required rated output voltage value. The decimal turns are the number of turns which take any two different pins on the transformer as a starting point and an end point and wind less than one turn of the transformer framework. Finally, the primary coil is powered on, and a high voltage tester is used for measuring voltage on the pin of the secondary coil.
Example 3
The invention relates to a specific implementation mode of a progressive winding process of a transformer, which comprises the following steps: a progressive winding process of a transformer comprises the following process steps: (1) calculating the turn ratio: calculating the turn ratio of the two side frameworks of the transformer according to the input voltage and the output voltage; (2) determining the number of turns: determining the theoretical turns on the secondary coil according to the turns and the turn ratio of the primary coil, and converting the theoretical turns on the secondary coil into integral turns; (3) winding: winding the enameled wire and the auxiliary wire on a primary coil of the framework by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for 20 circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, winding the auxiliary wire on the framework for 19 circles, then winding the enameled wire for one circle and 18 circles of auxiliary wire until the auxiliary wire is wound, and finally winding two circles of enameled wires; winding the enameled wire and the auxiliary wire on two secondary coils of the framework by using a winding machine by using the method, respectively winding 8 or 6 auxiliary coils, finally winding the two enameled wires, and then winding shielding layers between the primary coil and the secondary coil and between the secondary coil and the secondary coil on the framework; (4) removing stitches, trimming and stripping paint: removing the auxiliary wire on the framework, cutting the enameled wire from the wire guide wheel, adjusting to enable two copper wires at the head and the tail of the wire to be equal in length, and stripping the trimmed wire packet; (5) and installing pins: pins are arranged at the upper end and the lower end of the primary coil and the secondary coil, and the positions of the pins of a small number of turns of the secondary coil are adjusted to enable the voltage value output by the secondary coil to be close to the required rated output voltage value. Finally, the primary coil is powered on, and a high voltage tester is used for measuring voltage on the pin of the secondary coil.
After the process steps are carried out, the output voltage of the obtained transformer is detected by a high-voltage tester, and the output voltage of the secondary coil is closer to the theoretical output voltage.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (3)
1. A progressive winding process of a transformer is characterized by comprising the following process steps:
(1) calculating the turn ratio: calculating the turn ratio on the framework of the transformer according to the input voltage and the output voltage;
(2) determining the number of turns: determining the theoretical turns on the secondary coil according to the turns and the turn ratio of the primary coil, and converting the theoretical turns on the secondary coil into integral turns;
(3) winding: winding the enameled wire and the auxiliary wire on the framework by using a winding machine, firstly winding the enameled wire on the framework for one circle, then winding the auxiliary wire on the framework for a plurality of circles according to the number of turns of winding, then winding the enameled wire on the framework for one circle, reducing the number of circles of the auxiliary wire on the framework for surrounding, sequentially surrounding the enameled wire and the auxiliary wire until two circles of the enameled wire are surrounded; then winding a shielding layer between the primary coil and the secondary coil or between the secondary coil and the secondary coil on the framework;
(4) removing stitches, trimming and stripping paint: removing the auxiliary wire on the framework, cutting the enameled wire from the wire guide wheel, adjusting to enable two copper wires at the head and the tail of the wire to be equal in length, and stripping the trimmed wire packet;
(5) and installing pins: mounting pins on the primary coil and the secondary coil, and adjusting the positions of the pins of a small number of turns of the secondary coil to enable the voltage value output by the secondary coil to be close to the required rated output voltage value; the PINs are PIN PINs connected to the transformer in a laser electric welding mode, and the PINs are located at the upper end and the lower end of the primary coil or the secondary coil.
2. The progressive winding process of the transformer according to claim 1, wherein: the skeleton is a magnetic core, and the skeleton forms a ring shape.
3. The progressive winding process of the transformer according to claim 1, wherein: and (5) switching on a power supply on the primary coil after the step, and measuring the voltage on a pin of the secondary coil by using a high-voltage tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166116.6A CN107248449B (en) | 2017-03-20 | 2017-03-20 | Progressive winding process for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166116.6A CN107248449B (en) | 2017-03-20 | 2017-03-20 | Progressive winding process for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107248449A CN107248449A (en) | 2017-10-13 |
| CN107248449B true CN107248449B (en) | 2021-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710166116.6A Expired - Fee Related CN107248449B (en) | 2017-03-20 | 2017-03-20 | Progressive winding process for transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN107248449B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2861838B2 (en) * | 1994-12-12 | 1999-02-24 | 日立電線株式会社 | Aligning and winding wire |
| CN102360862B (en) * | 2011-10-26 | 2014-04-09 | 宁波中策亿特电子有限公司 | High-power annular transformer |
| CN102403120A (en) * | 2011-10-31 | 2012-04-04 | 深圳市大富科技股份有限公司 | Transformer and winding method of transformer |
| CN102903505B (en) * | 2012-09-26 | 2014-12-10 | 徐州格利尔科技有限公司 | Transformer production process |
| CN103117170B (en) * | 2013-02-01 | 2015-04-22 | 中国科学院电工研究所 | Axial forcing device and adjustment method for winding displacement of superconducting coil |
| CN103887049A (en) * | 2014-04-10 | 2014-06-25 | 田村（中国）企业管理有限公司 | Annular vertically-wound inductor and electromagnetic wires of annular vertically-wound inductor |
| CN104409202B (en) * | 2014-12-15 | 2017-01-04 | 温州大学 | Tightly-coupled LLC resonant transformer |
-
2017
- 2017-03-20 CN CN201710166116.6A patent/CN107248449B/en not_active Expired - Fee Related
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| CN107248449A (en) | 2017-10-13 |
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Granted publication date: 20210101 |