CN109767911A - The lead-out wire preparation process and foil winding of foil winding - Google Patents
The lead-out wire preparation process and foil winding of foil winding Download PDFInfo
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- CN109767911A CN109767911A CN201910091830.2A CN201910091830A CN109767911A CN 109767911 A CN109767911 A CN 109767911A CN 201910091830 A CN201910091830 A CN 201910091830A CN 109767911 A CN109767911 A CN 109767911A
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- out wire
- preparation process
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- foil
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Abstract
The invention discloses a kind of lead-out wire preparation processes of foil winding, comprising: 1) is cut the metal foil end of coil body to form multiple lead-out wires；2) bending processing is carried out to each lead-out wire.In the lead-out wire preparation process of above-mentioned foil winding, lead-out wire is formed by metal foil end cutting in coil body, and lead-out wire is an integral structure with coil body, without welding, it prevents lead-out wire and the junction thickness of coil body from increasing, avoids eddy-current loss from increasing, abnormal heating.Invention additionally discloses a kind of foil winding, lead-out wire is made of above-mentioned lead-out wire preparation process, and the junction thickness of lead-out wire and coil body is small, avoids the case where generating eddy-current loss increase, abnormal heating.
Description
Technical field
The present invention relates to Mechanical Industry Technology fields, prepare work more specifically to a kind of lead-out wire of foil winding
Skill further relates to a kind of foil winding.
Background technique
Coil is one of the chief component of transformer or reactor, coil body and lead-out wire including coiling.
Wide and thin metal foil is specifically selected using foil winding technologe coiling in the occasion that working frequency is high, electric current is big
(such as copper foil tape or aluminium foil strip) is used as coil body.Lead-out wire is limited by transformer or reactor volume, and width needs to be arranged
For the metal foil width much smaller than coil main body, and in order to avoid skin effect, lead-out wire must also use thin metal foil, lead
Cause foil winding that need to be provided as lead-out wire using multilayer metal foil stacking.In the prior art, lead-out wire by welding manner with
Coil body is connected, but weld thickness increases, and causes eddy-current loss to increase, abnormal heating.
In addition, lead-out wire is stacked and welds with coil body, preparation process is complicated, and the contact resistance of pad increases
Greatly, abnormal heating is also resulted in.
In conclusion how to avoid lead-out wire and coil body welding in foil winding that thickness is caused to increase, cause to be vortexed
Loss increase, abnormal heating, are those skilled in the art's urgent problems to be solved.
Summary of the invention
In view of this, the present invention provides a kind of lead-out wire preparation process of foil winding, to metal foil in coil body
End cutting forms lead-out wire, and lead-out wire is an integral structure with coil body, avoids welding, prevent lead-out wire and coil body
Junction thickness increase, avoid eddy-current loss increase, abnormal heating.The present invention also provides a kind of foil winding, lead-out wires
It is made of above-mentioned lead-out wire preparation process, the junction thickness of lead-out wire and coil body is small, avoids generating eddy-current loss increasing
Greatly, the case where abnormal heating.
To achieve the above object, the invention provides the following technical scheme:
A kind of lead-out wire preparation process of foil winding, comprising:
1) the metal foil end of coil body is cut to form multiple lead-out wires；
2) bending processing is carried out to each lead-out wire.
Preferably, in above-mentioned lead-out wire preparation process, before the step 1) further include:
01) width of lead-out wire is determined.
Preferably, it in above-mentioned lead-out wire preparation process, when being cut in step 1), is cut along first direction and makes the metal
Foil end is divided into multiple lead-out wires；The first direction is parallel with the length direction of the coil body.
Preferably, in above-mentioned lead-out wire preparation process, step 2) specifically: the root of the lead-out wire is made to be bent into arc
Shape, in order to avoid form folding line damage.
Preferably, in above-mentioned lead-out wire preparation process, between the step 1) and the step 2) further include:
12) collets, insulation board are prepared；The collets have curved end.
Preferably, in above-mentioned lead-out wire preparation process, when carrying out step 2), make the root of each lead-out wire along described exhausted
The curved end bending of edge block, and insulation board is set being laminated between adjacent lead-out wire after bending.
Preferably, in above-mentioned lead-out wire preparation process, the coil body is the coil body that copper foil or aluminium foil are coiled into.
A kind of foil winding, including coil body and lead-out wire, the lead-out wire be by adopting the above technical scheme in it is any
Lead-out wire made of lead-out wire preparation process described in one.
The present invention provides a kind of lead-out wire preparation process of foil winding, comprising: 1) to the metal foil end of coil body
It is cut to form multiple lead-out wires；2) bending processing is carried out to each lead-out wire.
In the lead-out wire preparation process of above-mentioned foil winding, lead-out wire is formed by metal foil end cutting in coil body,
Lead-out wire is an integral structure with coil body, without welding, is prevented lead-out wire and the junction thickness of coil body from increasing, is kept away
Exempt from eddy-current loss increase, abnormal heating.
The present invention also provides a kind of foil winding, lead-out wire is made of above-mentioned lead-out wire preparation process, lead-out wire with
The junction thickness of coil body is small, avoids the case where generating eddy-current loss increase, abnormal heating.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the top view of foil winding coil ontology and outgoing line connection structure provided in an embodiment of the present invention；
Fig. 2 is the main view of connection structure shown in Fig. 1；
Fig. 3 is the structural schematic diagram that metal foil end is cut in coil body provided in an embodiment of the present invention；
Fig. 4 is another structural schematic diagram that metal foil end is cut in coil body provided in an embodiment of the present invention；
Fig. 5 is another structural schematic diagram that metal foil end is cut in coil body provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of bending camber in lead-out wire root provided in an embodiment of the present invention；
Fig. 7 is the main view of foil winding provided in an embodiment of the present invention；
Fig. 8 is the top view of foil winding provided in an embodiment of the present invention；
Wherein, in Fig. 1-Fig. 8:
Coil body 1；Lead-out wire 2；Insulation board 3；Collets 4.
Specific embodiment
The embodiment of the invention discloses a kind of lead-out wire preparation processes of foil winding, to metal foil end in coil body
Portion cuts to form lead-out wire, and it is structure that lead-out wire and coil body, which are integrated, avoids welding, and prevents lead-out wire and coil body
Junction thickness increases, and avoids eddy-current loss from increasing, abnormal heating.The embodiment of the invention also discloses a kind of foil winding,
Lead-out wire is made of above-mentioned lead-out wire preparation process, and the junction thickness of lead-out wire and coil body is small, avoids generating vortex
The case where loss increase, abnormal heating.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 8 is please referred to, the embodiment of the present invention provides a kind of lead-out wire preparation process of foil winding, comprising: 1) right
The metal foil end of coil body 1 is cut to form multiple lead-out wires 2；2) bending processing is carried out to each lead-out wire 2.
In the lead-out wire preparation process of above-mentioned foil winding, lead-out wire 2 is by metal foil end cutting shape in coil body 1
At lead-out wire 2 is an integral structure with coil body 1, without welding, prevents the junction thickness of lead-out wire 2 Yu coil body 1
Increase, avoids eddy-current loss from increasing, abnormal heating.
In addition, lead-out wire preparation process provided in an embodiment of the present invention is simple, the difficulty of processing of foil winding is reduced.Together
When, lead-out wire 2 is an integral structure with coil body 1, and the two junction resistance not will increase, and further ensures that foil winding not
It is abnormal heating problem.
In lead-out wire preparation process as above, before step 1) further include: 01) determine the width of lead-out wire 2.Lead-out wire 2
Width and the material of lead-out wire 2 etc. are related, therefore before step 01) further include: 001) according to the power of transformer or reactor, work
Working frequency determines the material of coil main body, thickness parameter, width parameter.
Lower mask body introduction step 01) process: rated current 600A, working frequency 100kHz, using copper foil, by 3A/
mm2It calculates, needs copper foil section 200mm2, according to the copper foil of thickness 0.2mm, width needs 1000mm, such as uses aluminium foil, presses
2A/mm2It calculates, needing aluminium foil section is 300mm2, using the aluminium foil of thickness 0.25mm, then width needs 1200mm；And according to change
Depressor/reactor volume, the width of general lead-out wire 2 are no more than 100mm, such as use copper foil, can be by the metal of coil main body
Copper foil is divided into ten parts, can similarly calculate using aluminium foil, needs to be divided into 12 parts.
Specifically, being cut when cutting along first direction in the step 1) of lead-out wire preparation process provided by the above embodiment
And metal foil end is made to be divided into multiple lead-out wires 2；First direction is parallel with the length direction of coil body 1.Carry out step 1)
Each lead-out wire is of same size afterwards, and the sum of width of all lead-out wires and coil body is of same size.
Step 2) as above specifically: make the root bending camber of lead-out wire 2, in order to avoid form folding line damage.The step energy
Enough ensure that lead-out wire 2 is reliably connected with coil body 1, and ensures that the two is reliable and be powered.
Specifically, above-mentioned steps 1) and step 2) between further include: 12) prepare collets 4, insulation board 3；Collets 4 wrap
Bracket end face.When carrying out step 2), collets 4 are placed in coil body 1, make the root of each lead-out wire 2 along collets 4
Curved end bending, and insulation board 3 is set being laminated between adjacent lead-out wire 2 after bending.
Lead-out wire preparation process provided in this embodiment is prepared for collets 4, and collets 4 pad in coil body 1, both really
Folding line damage will not arcuately be generated during end face bends by protecting lead-out wire 2, and lead-out wire 2 is avoided in use process to be squeezed,
It pulls and generates bending equivalent damage, it is ensured that lead-out wire 2 is reliably connected, reliable conductive.Simultaneously in the program, adjacent lead-out wire 2
Between be equipped with insulation board 3, it is ensured that 2 thickness of lead-out wire is thin, prevent eddy-current loss increase, abnormal heating.
In the lead-out wire preparation process that embodiment as above provides, divided in step 2) using the collets 4 that height successively reduces
The structure of arranged stacked Dian not be formed after each 2 bending of lead-out wire, as shown in Figure 2 at the lead-out wire 2 successively arranged.To respectively drawing
After outlet 2 carries out bending processing, the length of every layer of lead-out wire 2 is different, 2 length of lead-out wire that can be as needed, by redundance
The production of lead-out wire 2 is completed in excision.
In lead-out wire preparation process provided by the above embodiment, coil body 1 is the coil body 1 or aluminium foil that copper foil is coiled into
The coil body 1 being coiled into, the present embodiment to the material of coil body 1 without limitation.
The embodiment of the present invention also provides a kind of foil winding, including coil body 1 and lead-out wire 2, and lead-out wire 2 is using upper
Lead-out wire 2 made of the lead-out wire preparation process of embodiment offer is provided.
In foil winding provided in this embodiment, lead-out wire 2 is made of above-mentioned lead-out wire preparation process, lead-out wire 2 with
The junction thickness of coil body 1 is small, avoids the case where generating eddy-current loss increase, abnormal heating.Certainly, the present embodiment provides
Foil winding also there are other effects provided by the above embodiment in relation to lead-out wire preparation process, details are not described herein.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of lead-out wire preparation process of foil winding characterized by comprising
1) the metal foil end of coil body is cut to form multiple lead-out wires；
2) bending processing is carried out to each lead-out wire.
2. lead-out wire preparation process according to claim 1, which is characterized in that before the step 1) further include:
01) width of lead-out wire is determined.
3. lead-out wire preparation process according to claim 1, which is characterized in that when being cut in step 1), along first direction
It cuts and the metal foil end is made to be divided into multiple lead-out wires；The first direction and the length direction of the coil body are flat
Row.
4. lead-out wire preparation process according to claim 3, which is characterized in that step 2) specifically: make the lead-out wire
Root bending camber, in order to avoid formed folding line damage.
5. lead-out wire preparation process according to claim 4, which is characterized in that between the step 1) and the step 2)
Further include:
12) collets, insulation board are prepared；The collets have curved end.
6. lead-out wire preparation process according to claim 5, which is characterized in that when carrying out step 2), make each extraction
Along the curved end bending of the collets and insulation board is arranged being laminated between adjacent lead-out wire after bending in the root of line.
7. lead-out wire preparation process according to claim 1, which is characterized in that the coil body be copper foil or aluminium foil around
At coil body.
8. a kind of foil winding, including coil body and lead-out wire, which is characterized in that the lead-out wire is using claim 1-
Lead-out wire made of lead-out wire preparation process described in 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091830.2A CN109767911A (en) | 2019-01-30 | 2019-01-30 | The lead-out wire preparation process and foil winding of foil winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091830.2A CN109767911A (en) | 2019-01-30 | 2019-01-30 | The lead-out wire preparation process and foil winding of foil winding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109767911A true CN109767911A (en) | 2019-05-17 |
Family
ID=66454615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091830.2A Pending CN109767911A (en) | 2019-01-30 | 2019-01-30 | The lead-out wire preparation process and foil winding of foil winding |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933431A (en) * | 2020-09-25 | 2020-11-13 | 三变科技股份有限公司 | Axial split type transformer coil structure, low-voltage coil leading-out structure and transformer |
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| CN2197733Y (en) * | 1994-06-17 | 1995-05-17 | 焦海波 | Lead of foil winding |
| CN1103738A (en) * | 1993-12-17 | 1995-06-14 | 马渊马达株式会社 | Small electric motor with terminal unit and method for connecting terminal unit |
| CN101161039A (en) * | 2005-04-19 | 2008-04-09 | 电气化学工业株式会社 | Metal base circuit board, LED and LED light source unit |
| CN201260096Y (en) * | 2008-09-26 | 2009-06-17 | 永济新时速电机电器有限责任公司 | Magnetic pole lead-out wire |
| CN202487362U (en) * | 2011-12-31 | 2012-10-10 | 青岛青波变压器股份有限公司 | Low-voltage lead lug |
| CN204695941U (en) * | 2015-05-27 | 2015-10-07 | 特变电工股份有限公司 | A kind of Transformer Winding |
| CN105810411A (en) * | 2016-04-27 | 2016-07-27 | 白城电力镇赉变压器有限责任公司 | Structure and process of integrally wound foil coil of low voltage winding of axial split transformer |
| CN205487679U (en) * | 2016-03-25 | 2016-08-17 | 海鸿电气有限公司 | It goes out wiretapping to exempt from welded transformer coil |
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2019
- 2019-01-30 CN CN201910091830.2A patent/CN109767911A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1103738A (en) * | 1993-12-17 | 1995-06-14 | 马渊马达株式会社 | Small electric motor with terminal unit and method for connecting terminal unit |
| CN2197733Y (en) * | 1994-06-17 | 1995-05-17 | 焦海波 | Lead of foil winding |
| CN101161039A (en) * | 2005-04-19 | 2008-04-09 | 电气化学工业株式会社 | Metal base circuit board, LED and LED light source unit |
| CN201260096Y (en) * | 2008-09-26 | 2009-06-17 | 永济新时速电机电器有限责任公司 | Magnetic pole lead-out wire |
| CN202487362U (en) * | 2011-12-31 | 2012-10-10 | 青岛青波变压器股份有限公司 | Low-voltage lead lug |
| CN204695941U (en) * | 2015-05-27 | 2015-10-07 | 特变电工股份有限公司 | A kind of Transformer Winding |
| CN205487679U (en) * | 2016-03-25 | 2016-08-17 | 海鸿电气有限公司 | It goes out wiretapping to exempt from welded transformer coil |
| CN105810411A (en) * | 2016-04-27 | 2016-07-27 | 白城电力镇赉变压器有限责任公司 | Structure and process of integrally wound foil coil of low voltage winding of axial split transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933431A (en) * | 2020-09-25 | 2020-11-13 | 三变科技股份有限公司 | Axial split type transformer coil structure, low-voltage coil leading-out structure and transformer |
| CN111933431B (en) * | 2020-09-25 | 2021-07-06 | 三变科技股份有限公司 | Axial split type transformer coil structure, low-voltage coil leading-out structure and transformer |
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Application publication date: 20190517 |