CN106449080A - Coiling method for annular inductor and annular inductor - Google Patents
Coiling method for annular inductor and annular inductor Download PDFInfo
- Publication number
- CN106449080A CN106449080A CN201610975827.3A CN201610975827A CN106449080A CN 106449080 A CN106449080 A CN 106449080A CN 201610975827 A CN201610975827 A CN 201610975827A CN 106449080 A CN106449080 A CN 106449080A
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- China
- Prior art keywords
- coiling
- copper cash
- winding
- layer
- around
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 103
- 239000010949 copper Substances 0.000 claims abstract description 96
- 229910052802 copper Inorganic materials 0.000 claims abstract description 96
- 230000005291 magnetic effect Effects 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 90
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 230000005294 ferromagnetic effect Effects 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract 1
- 238000000638 solvent extraction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 34
- 239000000411 inducer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- 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
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a coiling method for an annular inductor. The coiling method includes the steps that an annular magnetic core is evenly divided into four coiling regions, a copper wire is symmetrically folded, one end of the copper wire is clockwise coiled around the annular magnetic core, and the other end of the copper wire is anticlockwise coiled around the annular magnetic core; the copper wire is flatly and densely coiled in the four coiling regions to form four copper coil sets, and gaps are reserved between the copper coil sets of the adjacent coiling regions. Compared with the prior art, the copper wire is symmetrically folded, the two ends are coiled around the annular magnetic core, the four coiling regions are formed on the annular magnetic core, the copper wire is flatly and densely coiled around the coiling regions, the gaps are reserved between the adjacent coiling regions for obviously partitioning, and the method is called 'a quadrant coiling method'; the coiling method can be suitable for copper wire coiling of the difference module inductor and the PFC inductor, the defects that existing coiling methods are low in efficiency and poor in electromagnetic interference resistance are overcome, the resistance of the inductor is obviously increased, the distributed capacitance of the inductor is small, and coiling working efficiency is high.
Description
Technical field
The present invention relates to inductance method for winding technical experience, more particularly to a kind of method for winding of ring-shaped inductors and making
Differential mode inductance and PFC inductance with this method for winding.
Background technology
Inducer (Inductor) is the element that electric energy can be converted into magnetic energy and store, its typically by skeleton,
Winding, radome, encapsulating material, magnetic core or iron core etc. form.Winding refers to one group of coil with predetermined function, and it is inductance
The element of device.Winding have monolayer and multilamellar point, Single-layer Windings have again close around(During coiling, wire one circle suffers a circle)
And spaced winding(Often enclose during coiling between wire all every a certain distance)Two kinds of forms;Multi-layer winding have layering flat around, disorderly around, Nidus Vespae
Formula winding etc. is multiple.It is great that method for winding improves impedance, reduction distribution capacity and minimizing electromagnetic interference influence to inducer.At present
Inductance method for winding mainly have two kinds, the first be initial line from the beginning always along around complete, coiling smooth close around second has been
Line back and forth close around, and use both method for winding its electromagnetism interference performance of inductance poor, and single line from the beginning around
Tail, inefficiency.
The Chinese invention application of Publication No. CN 104299770 A discloses a kind of cross clock-type of annular common mode inductance
Method for winding, it is in the both sides of the toroidal core such as the amorphous or ferrite identical winding hindering number of coiling respectively, one group of winding one end
Reserve certain length, from 6 points around 12 points of shop fixtures, then unroll to 9 points, then unroll to 12 points from 9 points:Another side from
6 points, around 9 points, then unroll to 6 points;Another set winding one end reserves same length, spreads around 12 points from 6 points
Bottom, then unroll to 3 points, then from 3 points around 12 points:In addition while from 6 points around 3 points, then unroll to 6 points.Although this
The electromagnetic interference that winding can meet annular common mode inductance requires, but is dfficult to apply to differential mode inductance and PFC inductance(PFC is complete
Claim Power Factor Correction, PFC inductance refers to active power factor correction inductance).
Therefore, for existing problems of the prior art, a kind of electromagnetism interference differential mode inductance of offer and PFC inductance are needed badly
Winding technique be particularly important.
Content of the invention
It is an object of the invention to avoiding weak point of the prior art and providing one kind to be applied to differential mode inductance and PFC
Inductance increases the method for winding of the ring-shaped inductors of inductance electromagnetism interference.
The purpose of the present invention is achieved through the following technical solutions:
A kind of method for winding of ring-shaped inductors is provided, toroidal core is divided into four winding area, copper cash is divided half-and-half two
Head, along toroidal core coiling, the other end counter clockwise direction of copper cash is along toroidal core coiling, copper for a clockwise direction of copper cash
Line in four winding area smooth close around formed four copper coil groups, between leaving between the adjacent copper coil group of winding area
Gap.
Preferably, using copper cash half-and-half in toroidal core around place as 6 o'clock direction, one of copper cash as A end line, copper
The other end of line as B end line,
The A end line of copper cash from direction 6 o'clock, direction 9 o'clock then around to 12 o'clock direction around one layer,
The B end line of copper cash from 6 o'clock direction through around 3 o'clock direction around 12 o'clock direction around one layer;
The A end line of copper cash and B end line 12 o'clock direction intersect, the A end line of copper cash from direction 12 o'clock, direction 3 o'clock around
6 o'clock, direction was around one layer, the B end line of copper cash from direction 12 o'clock, direction 9 o'clock around 6 o'clock direction around one layer, the A of copper cash
End line and B end line intersect at 6 o'clock direction again, and copper cash can not unroll, and so repeats more than one layer.
Preferably, copper cash is in toroidal core coiling multilamellar, each winding area coiling multi-turn.
It is furthermore preferred that copper cash is in 5 layers of toroidal core coiling,
During the 1st layer of coiling of copper cash, each winding area coiling 8 is enclosed;
During the 2nd layer of coiling of copper cash, each winding area coiling 7 is enclosed;
During the 3rd layer of coiling of copper cash, each winding area coiling 6 is enclosed;
During the 4th layer of coiling of copper cash, each winding area coiling 5 is enclosed;
During the 5th layer of coiling of copper cash, each winding area coiling 2 is enclosed.
Another it is furthermore preferred that copper cash is in 4 layers of toroidal core coiling, during the 1st layer of coiling of copper cash, each winding area coiling 9
Circle;During the 2nd layer of coiling of copper cash, each winding area coiling 8 is enclosed;During the 3rd layer of coiling of copper cash, each winding area coiling 7 is enclosed;Copper
During the 4th layer of coiling of line, each winding area coiling 4 is enclosed.
Preferably, described toroidal core is ferrum oxide magnet ring, alloy magnet ring or amorphous magnet ring.
Another object of the present invention is to avoiding weak point of the prior art and providing a kind of electromagnetism interference differential mode
Inductance, it is achieved through the following technical solutions:
The winding of annular differential mode inductance use the method for winding of above-mentioned ring-shaped inductors around.
A further object of the present invention is to avoid weak point of the prior art and provides a kind of electromagnetism interference PFC electricity
Sense, it is achieved through the following technical solutions:The winding of ring-shaped P FC inductance use the method for winding of above-mentioned ring-shaped inductors around.
Beneficial effects of the present invention:
A kind of method for winding of ring-shaped inductors of the present invention, toroidal core is divided into four winding area, by copper cash half-and-half
Point two, a clockwise direction of copper cash along toroidal core coiling, the other end counter clockwise direction of copper cash along toroidal core around
Line, copper cash in four winding area smooth close around formed four copper coil groups, between the adjacent copper coil group of winding area
Leave gap.Compared with prior art, the present invention divides half-and-half two using copper cash and is wound around toroidal core, and makes toroidal core shape
Become four winding area, copper cash in winding area smooth close around the obvious subregion in gap is left in two neighboring winding area, this
Method is referred to as " quadrant winding ", present invention can be suitably applied to the copper cash coiling of differential mode inductance and PFC inductance, and it overcomes existing winding effect
The shortcoming that rate is low and electromagnetism interference is poor, significantly improves the impedance of inducer, and makes Stray Capacitor in Inductors little, and
And coiling high working efficiency.
Brief description
Using accompanying drawing, the present invention will be further described, but the content in accompanying drawing does not constitute any limitation of the invention.
Fig. 1 is a kind of coiling schematic diagram of an embodiment of the method for winding of ring-shaped inductors of the present invention.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1
Referring to Fig. 1, the method for winding of the ring-shaped inductors of the present embodiment is toroidal core to be divided into four winding area, by copper
Two divided half-and-half by line, and, along toroidal core coiling, the other end counter clockwise direction of copper cash is along annular for a clockwise direction of copper cash
Magnetic core coiling, copper cash in four winding area smooth close around forming four copper coil groups, the copper coil of adjacent winding area
Gap is left between group.
Wherein, using copper cash half-and-half in toroidal core around place as 6 o'clock direction, one of copper cash as A end line, copper cash
Other end as B end line, the A end line of copper cash from direction 6 o'clock, direction 9 o'clock then around to 12 o'clock direction around one layer, copper
The B end line of line from 6 o'clock direction through around 3 o'clock direction around 12 o'clock direction around one layer;The A end line of copper cash and B end line are 12
O'clock, direction intersected, the A end line of copper cash from direction 12 o'clock, direction 3 o'clock around 6 o'clock direction around one layer, the B end of copper cash
Line from direction 12 o'clock, direction 9 o'clock around 6 o'clock direction around one layer, the A end line of copper cash and B end line are again in 6 o'clock direction
Place intersects, and copper cash can not unroll.
In the present embodiment, copper cash in 5 layers of toroidal core coiling,
During the 1st layer of coiling of copper cash, each winding area coiling 8 is enclosed;
During the 2nd layer of coiling of copper cash, each winding area coiling 7 is enclosed;
During the 3rd layer of coiling of copper cash, each winding area coiling 6 is enclosed;
During the 4th layer of coiling of copper cash, each winding area coiling 5 is enclosed;
During the 5th layer of coiling of copper cash, each winding area coiling 2 is enclosed.
Embodiment 2
The main technical schemes of the present embodiment are substantially the same manner as Example 1, and the feature not laid down a definition in the present embodiment, using reality
Apply the explanation in example 1, here is no longer repeated.The present embodiment is, copper cash is in toroidal core with the difference of embodiment 1
4 layers of coiling, during the 1st layer of coiling of copper cash, each winding area coiling 9 is enclosed;During the 2nd layer of coiling of copper cash, each winding area coiling 8
Circle;During the 3rd layer of coiling of copper cash, each winding area coiling 7 is enclosed;During the 4th layer of coiling of copper cash, each winding area coiling 4 is enclosed.
Embodiment 3
The main technical schemes of the present embodiment are substantially the same manner as Example 1, and the feature not laid down a definition in the present embodiment, using reality
Apply the explanation in example 1, here is no longer repeated.The present embodiment is, copper cash is in toroidal core with the difference of embodiment 1
1 layer of coiling, during the 1st layer of coiling of copper cash, each winding area coiling 10 is enclosed.
Embodiment 3
The method for winding of the ring-shaped inductors using embodiment 1 for the winding of the electromagnetism interference differential mode inductance of the present embodiment carry out around
Line.
Embodiment 4
The method for winding of the ring-shaped inductors using embodiment 1 for the winding of the electromagnetism interference PFC inductance of the present embodiment carries out coiling.
Finally it should be noted that above example is merely to illustrate technical scheme explanation rather than right is wanted
Ask the restriction of protection domain.Those of ordinary skill in the art should be understood it is possible to the present invention's with reference to preferred embodiment
Technical scheme is modified or equivalent, but belongs to the substantially identical of technical solution of the present invention and protection domain.
Claims (8)
1. a kind of method for winding of ring-shaped inductors it is characterised in that:Toroidal core is divided into four winding area,
Copper cash is divided half-and-half two, a clockwise direction of copper cash is along toroidal core coiling, the other end side counterclockwise of copper cash
To along toroidal core coiling, copper cash in four winding area smooth close around forming four copper coil groups, adjacent winding area
Copper coil group between leave gap.
2. a kind of ring-shaped inductors according to claim 1 method for winding it is characterised in that:By copper cash half-and-half in annular magnetic
Core rises around place as 6 o'clock direction, one of copper cash as A end line, the other end of copper cash as B end line,
The A end line of copper cash from direction 6 o'clock, direction 9 o'clock then around to 12 o'clock direction around one layer,
The B end line of copper cash from 6 o'clock direction through around 3 o'clock direction around 12 o'clock direction around one layer;
The A end line of copper cash and B end line 12 o'clock direction intersect, the A end line of copper cash from direction 12 o'clock, direction 3 o'clock around
6 o'clock, direction was around one layer, the B end line of copper cash from direction 12 o'clock, direction 9 o'clock around 6 o'clock direction around one layer, the A of copper cash
End line and B end line intersect at 6 o'clock direction again, and copper cash can not unroll, and so repeats more than one layer.
3. a kind of ring-shaped inductors according to claim 1 and 2 method for winding it is characterised in that:Copper cash is in toroidal core
Coiling multilamellar, each winding area coiling multi-turn.
4. a kind of ring-shaped inductors according to claim 3 method for winding it is characterised in that:Copper cash is in toroidal core coiling
5 layers,
During the 1st layer of coiling of copper cash, each winding area coiling 8 is enclosed;
During the 2nd layer of coiling of copper cash, each winding area coiling 7 is enclosed;
During the 3rd layer of coiling of copper cash, each winding area coiling 6 is enclosed;
During the 4th layer of coiling of copper cash, each winding area coiling 5 is enclosed;
During the 5th layer of coiling of copper cash, each winding area coiling 2 is enclosed.
5. a kind of ring-shaped inductors according to claim 3 method for winding it is characterised in that:Copper cash is in toroidal core coiling
4 layers,
During the 1st layer of coiling of copper cash, each winding area coiling 9 is enclosed;
During the 2nd layer of coiling of copper cash, each winding area coiling 8 is enclosed;
During the 3rd layer of coiling of copper cash, each winding area coiling 7 is enclosed;
During the 4th layer of coiling of copper cash, each winding area coiling 4 is enclosed.
6. a kind of ring-shaped inductors according to claim 1 method for winding it is characterised in that:Described toroidal core is oxidation
Ferromagnetic ring, alloy magnet ring or amorphous magnet ring.
7. electromagnetism interference annular differential mode inductance it is characterised in that:The winding usage right of annular differential mode inductance requires 1 to 6
A kind of method for winding of the ring-shaped inductors described in any one around.
8. electromagnetism interference ring-shaped P FC inductance it is characterised in that:The winding usage right of ring-shaped P FC inductance requires 1 to 6
Meaning one described in a kind of ring-shaped inductors method for winding around.
Priority Applications (1)
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CN201610975827.3A CN106449080B (en) | 2016-11-07 | 2016-11-07 | The method for winding and its inductance of a kind of ring-shaped inductors |
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CN201610975827.3A CN106449080B (en) | 2016-11-07 | 2016-11-07 | The method for winding and its inductance of a kind of ring-shaped inductors |
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CN106449080B CN106449080B (en) | 2017-11-17 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107195428A (en) * | 2017-06-27 | 2017-09-22 | 山东中瑞电子股份有限公司 | The EMI common mode inductances and its winding method of new winding |
CN112435827A (en) * | 2020-11-13 | 2021-03-02 | 临沂昱通新能源科技有限公司 | Structure of high-impedance PFC inductor and processing technology thereof |
WO2023060488A1 (en) * | 2021-10-13 | 2023-04-20 | 华为数字能源技术有限公司 | Common mode inductor, common mode inductor winding method, and adapter |
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CN202839211U (en) * | 2012-07-31 | 2013-03-27 | 东莞市大忠电子有限公司 | Interference prevention choking coil |
CN104603893A (en) * | 2012-09-11 | 2015-05-06 | Sht有限公司 | Coil device |
CN105788804A (en) * | 2014-12-23 | 2016-07-20 | 台达电子工业股份有限公司 | Magnetic assembly suitable for bank winding process |
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CN101661827A (en) * | 2008-08-29 | 2010-03-03 | 艾默生网络能源系统北美公司 | EMC inductor and manufacturing method thereof, EMI filter and switching power supply |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107195428A (en) * | 2017-06-27 | 2017-09-22 | 山东中瑞电子股份有限公司 | The EMI common mode inductances and its winding method of new winding |
CN112435827A (en) * | 2020-11-13 | 2021-03-02 | 临沂昱通新能源科技有限公司 | Structure of high-impedance PFC inductor and processing technology thereof |
WO2023060488A1 (en) * | 2021-10-13 | 2023-04-20 | 华为数字能源技术有限公司 | Common mode inductor, common mode inductor winding method, and adapter |
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