CN112038087A - Coil winding method of miniature transformer - Google Patents
Coil winding method of miniature transformer Download PDFInfo
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- CN112038087A CN112038087A CN202010908673.2A CN202010908673A CN112038087A CN 112038087 A CN112038087 A CN 112038087A CN 202010908673 A CN202010908673 A CN 202010908673A CN 112038087 A CN112038087 A CN 112038087A
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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
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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
- H01F41/12—Insulating of windings
- H01F41/127—Encapsulating or impregnating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulating Of Coils (AREA)
Abstract
The invention discloses a coil winding method of a miniature transformer, which comprises the following steps: s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft; s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die; s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil; s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer. The coil winding method of the miniature transformer has the advantages of rigorous working steps, simple and easily-realized process method, convenience in testing the coil and guarantee of the qualification rate of the coil.
Description
Technical Field
The invention relates to the technical field of transformer coil winding, in particular to a coil winding method of a miniature 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.).
Through retrieval, the authorized publication number is CN 101556864B discloses a winding method of resin-insulated dry-type transformer coil, which comprises the following steps: firstly, placing winding formers on a winding machine or an iron core device, wherein the number of coils wound on each winding former or iron core is several, and dividing the whole coil into two groups with equal number of sections; secondly, starting to wind each section in one group in sequence by taking the head of a lead used by the coil as a starting point, leading out a plurality of taps when continuously winding the section to the tapping region, and leading out the taps to the positions among the groups; winding can then be started directly from the tap in the other group starting from the tap joint until the segments in the group are wound. And finally, arranging the tap point joints and the tap joints among the groups in sequence. The reversing process of the winding former or the iron core is reduced, so that the workload and the operation time for dismounting the winding former or the iron core from the winding machine and then mounting the winding former or the iron core again are saved, and the working efficiency is greatly improved.
But above-mentioned scheme still has certain defect, and the coiling process is loaded down with trivial details, and work efficiency is low, can not test the coil, reduces the qualification rate of coil.
Disclosure of Invention
Based on the technical problems of complex working process and incapability of effectively improving the yield of the coal bed gas in the background technology, the invention provides a coil winding method of a miniature transformer.
The invention provides a coil winding method of a miniature transformer, which comprises the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
Preferably, in S1, the winding former is clamped by the winding machine shaft.
Preferably, in S2, the rotation speed of the winding machine is set to 60-80r/min, and the inner coil is checked to ensure that the inner coil is wound and aligned.
Preferably, in S3, the rotation speed of the winding machine is set to 80-100r/min, and the isolation layers are inspected to ensure that the isolation layers are wound and aligned, and are made of insulating materials.
Preferably, in S4, the rotation speed of the winding machine is set to 30-40r/min, and the outer layer coil is inspected to ensure that the outer layer coil is wound and aligned.
Preferably, in S5, the temperature in the oven is set to 60-80 ℃, and the baking time is set to 2-4 h.
Preferably, in S5, after the dipping, the winding former is lifted, the paint is dried, the temperature in the oven is set to 60-80 ℃, and the baking time is set to 6-8 h.
Preferably, in S6, the wound coil is tested by a turn number tester.
The invention has the beneficial effects that a winding die is fixed on a winding machine shaft, an inner coil is wound on the winding die, an isolating layer is wound on the inner coil, an outer coil is wound on the isolating layer, the isolating layer is used for insulating the inner coil and the outer coil, the wound coil is put into an oven for drying, the coil is put into a paint solution for dip coating after drying, the coil is dried after dip coating, the coil is tested after drying, whether the coil has a short circuit phenomenon or not is checked, and the coil is installed after the coil is qualified.
The coil winding method of the miniature transformer has the advantages of rigorous working steps, simple and easily-realized process method, convenience in testing the coil and guarantee of the qualification rate of the coil.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The embodiment provides a coil winding method of a micro transformer, which comprises the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
In this embodiment, in S1, the winding former is clamped by a winding machine shaft, in S2, the rotation speed of the winding machine is set to 60r/min, the inner-layer coil is checked to ensure that the inner-layer coil is wound and aligned, in S3, the rotation speed of the winding machine is set to 80r/min, the isolation layer is checked to ensure that the isolation layer is wound and aligned, the isolation layer is made of an insulating material, in S4, the rotation speed of the winding machine is set to 30r/min, the outer-layer coil is checked to ensure that the outer-layer coil is wound and aligned, in S5, the temperature in an oven is set to 60 ℃, the baking time is set to 2h, in S5, after dipping, the winding former is lifted, the paint is dripped, the temperature in the oven is set to 60 ℃, the baking time is set to 6h, and in S6, the wound coil is tested by a coil number tester.
Example two
The embodiment provides a coil winding method of a micro transformer, which comprises the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
In this embodiment, in S1, the winding former is clamped by a winding machine shaft, in S2, the rotation speed of the winding machine is set to 62r/min, the inner-layer coil is checked to ensure that the inner-layer coil is wound and aligned, in S3, the rotation speed of the winding machine is set to 85r/min, the isolation layer is checked to ensure that the isolation layer is wound and aligned, the isolation layer is made of an insulating material, in S4, the rotation speed of the winding machine is set to 32r/min, the outer-layer coil is checked to ensure that the outer-layer coil is wound and aligned, in S5, the temperature in an oven is set to 62 ℃, the baking time is set to 2h, in S5, after dipping, the winding former is lifted, the paint is dripped, the temperature in the oven is set to 62 ℃, the baking time is set to 6h, and in S6, the wound coil is tested by a coil number tester.
EXAMPLE III
The embodiment provides a coil winding method of a micro transformer, which comprises the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
In this embodiment, in S1, the winding former is clamped by a winding machine shaft, in S2, the rotation speed of the winding machine is set to 70r/min, the inner-layer coil is checked to ensure that the inner-layer coil is wound and aligned, in S3, the rotation speed of the winding machine is set to 90r/min, the isolation layer is checked to ensure that the isolation layer is wound and aligned, the isolation layer is made of an insulating material, in S4, the rotation speed of the winding machine is set to 35r/min, the outer-layer coil is checked to ensure that the outer-layer coil is wound and aligned, in S5, the temperature in an oven is set to 70 ℃, the baking time is set to 3h, in S5, after dipping paint, the winding former is lifted, the paint is dripped, the temperature in the oven is set to 70 ℃, the baking time is set to 7h, in S6, and the wound coil is tested by a coil number tester.
Example four
The embodiment provides a coil winding method of a micro transformer, which comprises the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
In this embodiment, in S1, the winding former is clamped by a winding machine shaft, in S2, the rotation speed of the winding machine is set to 75r/min, the inner-layer coil is checked to ensure that the inner-layer coil is wound and aligned, in S3, the rotation speed of the winding machine is set to 95r/min, the isolation layer is checked to ensure that the isolation layer is wound and aligned, the isolation layer is made of an insulating material, in S4, the rotation speed of the winding machine is set to 38r/min, the outer-layer coil is checked to ensure that the outer-layer coil is wound and aligned, in S5, the temperature in an oven is set to 75 ℃, the baking time is set to 3h, in S5, after dipping, the winding former is lifted, the paint is dripped, the temperature in the oven is set to 75 ℃, the baking time is set to 7h, and in S6, the wound coil is tested by a coil number tester.
EXAMPLE five
The embodiment provides a coil winding method of a micro transformer, which comprises the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
In this embodiment, in S1, the winding former is clamped by a winding machine shaft, in S2, the rotation speed of the winding machine is set to 80r/min, the inner-layer coil is checked to ensure that the inner-layer coil is wound and aligned, in S3, the rotation speed of the winding machine is set to 100r/min, the isolation layer is checked to ensure that the isolation layer is wound and aligned, the isolation layer is made of an insulating material, in S4, the rotation speed of the winding machine is set to 40r/min, the outer-layer coil is checked to ensure that the outer-layer coil is wound and aligned, in S5, the temperature in an oven is set to 80 ℃, the baking time is set to 4h, in S5, after dipping paint, the winding former is lifted, the paint is dripped, the temperature in the oven is set to 80 ℃, the baking time is set to 8h, in S6, and the wound coil is tested by a coil number tester.
Study of coil winding:
fifty winding formers are randomly selected and divided into five groups, each group of ten winding formers are wound by respectively adopting five pairs of winding formers of the first embodiment to the fifth embodiment, and the qualified rate after winding is recorded:
| examples | Percent of pass |
| Example one | 80％ |
| Example two | 82％ |
| EXAMPLE III | 92％ |
| Example four | 81％ |
| EXAMPLE five | 84％ |
The result shows that the coil winding method can effectively improve the yield of the wound coil, and the third embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A coil winding method of a micro transformer is characterized by comprising the following steps:
s1: preparing before winding: selecting a proper winding former according to the inner diameter of the coil, and fixing the winding former on a winding machine shaft;
s2: winding an inner-layer coil: fixing the initial end of the inner-layer coil on the winding die, then starting the winding machine, and uniformly winding the inner-layer coil on the outer side of the winding die;
s3: winding an isolation layer: fixing the initial end of the isolation layer on the inner-layer coil, then starting a winding machine, and uniformly winding the isolation layer on the outer side of the inner-layer coil;
s4: winding an outer-layer coil: fixing the initial end of the outer coil on the isolation layer, then starting the winding machine, and uniformly winding the outer coil on the outer side of the isolation layer;
s5: and (3) dip coating insulation treatment: placing the winding former after the outer-layer coil is wound in a drying oven, then placing the winding former in a paint solution for dip coating, and then placing the winding former in the drying oven for drying after the dip coating is finished;
s6: and (3) testing: and testing the winding die, and assembling the winding die after the winding die is qualified.
2. The coil winding method of a micro-transformer as claimed in claim 1, wherein the winding former is clamped by a winding former shaft in S1.
3. The method of claim 1, wherein in step S2, the speed of the winding machine is set to 60-80r/min, and the inner layer coil is inspected to ensure that the inner layer coil is aligned.
4. The method of claim 1, wherein in step S3, the winding machine is set to rotate at a speed of 80-100r/min, and the spacers are inspected to ensure that the spacers are aligned and aligned, and are made of an insulating material.
5. The method of claim 1, wherein in step S4, the speed of the winding machine is set to 30-40r/min, and the outer layer coil is inspected to ensure that the outer layer coil is aligned.
6. The method for winding a micro-transformer coil as claimed in claim 1, wherein in S5, the temperature in the oven is set to 60-80 ℃ and the baking time is set to 2-4 h.
7. The method for winding a coil of a micro-transformer as claimed in claim 1, wherein in S5, the winding former is lifted after the dipping of the paint is completed, the paint is dropped to dry, the temperature in the oven is set to 60-80 ℃, and the baking time is set to 6-8 h.
8. The method of claim 1, wherein in S6, the wound coil is tested by a coil number tester.
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| CN202010908673.2A CN112038087A (en) | 2020-09-02 | 2020-09-02 | Coil winding method of miniature transformer |
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| CN202010908673.2A CN112038087A (en) | 2020-09-02 | 2020-09-02 | Coil winding method of miniature transformer |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985498A (en) * | 2014-04-22 | 2014-08-13 | 四川华都核设备制造有限公司 | Electromagnetic coil device and production process thereof |
| CN104021928A (en) * | 2014-06-13 | 2014-09-03 | 合容电气股份有限公司 | Winding technology of dry-type air reactor |
| CN109559878A (en) * | 2018-11-30 | 2019-04-02 | 广州市变电气设备有限公司 | A kind of power transformer winding structure, winding structure and winding method |
| CN110648842A (en) * | 2019-09-19 | 2020-01-03 | 李家宝 | Method for manufacturing coil element |
-
2020
- 2020-09-02 CN CN202010908673.2A patent/CN112038087A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985498A (en) * | 2014-04-22 | 2014-08-13 | 四川华都核设备制造有限公司 | Electromagnetic coil device and production process thereof |
| CN104021928A (en) * | 2014-06-13 | 2014-09-03 | 合容电气股份有限公司 | Winding technology of dry-type air reactor |
| CN109559878A (en) * | 2018-11-30 | 2019-04-02 | 广州市变电气设备有限公司 | A kind of power transformer winding structure, winding structure and winding method |
| CN110648842A (en) * | 2019-09-19 | 2020-01-03 | 李家宝 | Method for manufacturing coil element |
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Application publication date: 20201204 |