CN101630570B - Coil module - Google Patents
Coil module Download PDFInfo
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- CN101630570B CN101630570B CN2009101516030A CN200910151603A CN101630570B CN 101630570 B CN101630570 B CN 101630570B CN 2009101516030 A CN2009101516030 A CN 2009101516030A CN 200910151603 A CN200910151603 A CN 200910151603A CN 101630570 B CN101630570 B CN 101630570B
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- coil module
- coiling
- annular core
- wound
- internal ring
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Abstract
The invention discloses a coil module comprising an annular iron core and a winding. The annular iron core is provided with an external annular part and an internal annular part; the winding is wound at the external annular part in a single layer and wound at the internal annular part in multiple layers, wherein the coil module has a first thickness after the winding is wound at the external annular part and has a second thickness after the winding is wound at the internal annular part, and the first thickness is more than or equal to the second thickness. The invention is applied to miniature and thin electronic products and meets the requirements of effectively reducing the volume of the electronic products.
Description
Technical field
The present invention relates to coil, be specifically related to a kind of coil module of slimming.
Background technology
Coil module is a kind of passive electronic building brick, is used at large in the middle of the various electronic product, and be transformation by electric energy and magnetic energy, functions such as filtering, energy storage and exoergic are provided, to reach the purpose of stablizing output current.In the prior art, coil module is to comprise an annular core 10, and is as shown in Figure 1, is the cross section view that shows annular core 10 among Fig. 1, and at least one coiling, and this coiling is wrapped on the ring structure iron core 10.The annular core 10 of existing coil module has a square-section 13 usually, so an internal ring portion 12 of annular core 10 and an outer portion 11 have equal height H0 respectively.Therefore; When coiling is wrapped in annular core 10; Because outer portion 11 pairing outer circumferences are long greater than internal ring portion 12 pairing inner peripherys, thereby are wound in coiling density that the internal ring portion 12 of annular core 10 had and will be wound in tight that coiling density that the outer portion 11 of annular core 10 had will come.And when the number of turns that is wound in annular core 10 increases; The coiling density that the internal ring portion 12 of annular core 10 is had will be more tight not only; Even the plural number coiling number of plies appears in ring portion 12 within annular core 10, cause coil module highly increasing corresponding to internal ring portion 12.It is especially obvious when excessive that said circumstances is grown difference in the coiling of twining thick line footpath and this outer circumference and this inner periphery.
Because the design of most electronic products now is to develop towards light, thin, short, little direction; Make that existing coil module can't bear to use; Coil module is corresponding to the increase of the height of internal ring portion 12; To cause great harmful effect to the overall volume of coil module, existing coil module can't be installed in the electronic product small-sized, that slimming designs.
Summary of the invention
The objective of the invention is to, a kind of coil module is provided, it has the project organization of a slimming, fits to dwindle the overall volume of coil module, makes coil module use the electronic product in a miniaturization, slimming.
For realizing above-mentioned purpose, the coil module that the present invention disclosed comprises an annular core and a coiling.Annular core has an outer portion and an internal ring portion, and coiling is to be wrapped in this ring structure iron core, and coiling be with winding of single layer in outer portion, and with multi-lay winding at internal ring portion.Wherein, the outer portion of annular core and internal ring portion have one first height and one second height respectively, and first highly is greater than second height.
In another embodiment of the present invention, coil module comprises an annular core and a coiling.Annular core has an outer portion and an internal ring portion, and coiling is to be wound in this ring structure iron core, and coiling system with winding of single layer in outer portion, and with multi-lay winding in internal ring portion.Wherein, the coiling be wound in outer portion after, coil module has one first thickness, and the coiling be wound in internal ring portion after, coil module has one second thickness, and this first thickness is more than or equal to this second thickness.
Coil module of the present invention is will wind the line to be wound in ring portion and internal ring portion outside the annular core respectively; And highly be higher than the design of second height of internal ring portion by first of outer portion; After making coiling be wound in annular core, first thickness of coil module is more than or equal to second thickness.By this, make coil module be able to effectively reduce volume, be applied to electronic product small-sized and the slimming design, reach the demand that effectively reduces the electronic product volume to satisfy.
Description of drawings
Fig. 1 is the generalized section of existing annular core;
Fig. 2 is the stereogram of coil module of the present invention;
Fig. 3 A is the three-dimensional generalized section of Fig. 2 coil module;
Fig. 3 B is the local enlarged diagram of Fig. 3 A dotted line scope;
Fig. 4 is the profile of the annular core of coil module among Fig. 2;
Fig. 5, Fig. 6, Fig. 7 are the annular core profiles of other enforcement aspect of the present invention;
Fig. 8 is the structural representation that has two coilings according to coil module of the present invention.
Embodiment
Shown in Fig. 2, Fig. 3 A and Fig. 3 B, be one of coil module 2 embodiment of the present invention, wherein Fig. 3 A is the section three-dimensional view of Fig. 2, and Fig. 3 B is the local enlarged diagram of dotted line scope among Fig. 3 A.Coil module 2 comprises an annular core 20 and a coiling 24.Wherein, annular core 20 has an outer portion 21 and an internal ring portion 22,24 is to twine annular core 20 and wind the line.Coiling 24 is the outer portion 21 that is wound in annular core 20 with the winding of single layer mode, and is wound in the internal ring portion 22 of annular core 20 with the multi-lay winding mode.Winding of single layer is adjacent one another are in the coiling 24 of outer portion 21, and multi-lay winding is mutual overlappings in the coiling 24 of internal ring portion 22.Shown in Fig. 3 B; After coiling 24 is wound in the outer portion 21 and internal ring portion 22 of annular core 20; To make coil module 2 have one first thickness T 1 (with respect to outer portion 21) and one second thickness T 2 (with respect to internal ring portion 22) respectively, and first thickness T 1 is more than or equal to second thickness T 2.
Please consult Fig. 4 in the lump, the cross section view of ring structure iron core 20 shown in Fig. 3 A has one and is trapezoidal cross section 23.In the present embodiment, the outer portion 21 of annular core 20 and internal ring portion 22 have one first height H 1 and one second height H 2 respectively, and wherein first height H 1 is to be higher than second height H 2.In addition, in present embodiment, shown in the 2nd figure and 3A figure, the present invention system is wound in ring structure iron core 20 with single coiling 24, and the coiling number of plies difference Δ L of outer portion 21 and internal ring portion 22 is one deck.That is coiling 24 in outer portion 21, and is two layers with multi-lay winding in the coiling 24 of internal ring portion 22 with winding of single layer.
In practical operation, shown in Fig. 2, Fig. 3 A and Fig. 3 B, coiling 24 is at first from the outer portion 21 of one first end 25 via ring structure iron core 20; Along internal ring portion 22; And pass the middle body of ring structure iron core 20, again from internal ring portion 22, accomplish to be wound in ring structure iron core 20 along outer portion 21 with a number of turn.Subsequently; Coiling 24 with adjacent to the mode of last circle coiling once more from outer portion 21, along internal ring portion 22, then pass this central part with the mode that is overlapped in last circle coiling; And, accomplish another number of turn that is wrapped in ring structure iron core 20 along outer portion 21 once more from internal ring portion 22.Repeat above-mentioned steps, coiling 24 is wound in outer portion 21 with mode adjacent one another are, and is wound in internal ring portion 22 with mutual overlapping mode, can the complete ring structure iron core 20 that is wound in.Pass through electric current by first end 25 and one second end 26, can make coil module 2 produce the electromagnetic induction effects.
Below do more detailed explanation with regard to the foregoing description.For making annular core 20 of the present invention can meet above-mentioned requirements, annular core 20 need further satisfy following relational expression: (H1-H2)/and 2 >=Δ L * Φ, the wherein diameter of Φ representative coiling 24.Can guarantee to wind the line 24 multi-lay winding behind internal ring portion 22, second thickness T 2 of coil module 2 will be can be after outer portion 21 greater than coiling 24 windings of single layer, first thickness T 1 of coil module 2.That is the maximum ga(u)ge of coil module 2 will can not increase because of coiling 24 numbers of plies of internal ring portion 22 and improve.In practical application, should understand easily, if the difference of first height H 1 and second height H 2 is a definite value, then when coiling 24 thinner (be diameter of phi heal hour), the coiling number of plies difference Δ L that outer portion 21 and internal ring portion are 22 just can be healed greatly; Otherwise when coiling 24 thicker when big (be diameter of phi heal), the coiling number of plies difference Δ L that outer portion 21 and internal ring portion are 22 is just little.
Secondly, annular core 20 has an external diameter girth corresponding to outer portion 21, and the individual layer wire winding layer that is wound in outer portion 21 has one first number of turn, and this external diameter girth is the product greater than first number of turn and winding diameter Φ.Can guarantee to wind the line 24 can be wound in outer portion 21 with the individual layer winding mode, and the unlikely multilayer winding structure that occurs.
In addition; Annular core 20 has an internal diameter girth corresponding to internal ring portion 22; Two wire winding layers that are wound in internal ring portion 22 have one second number of turn respectively, and second number of turn is the half the of first number of turn in the present embodiment, and this internal diameter girth is the product greater than second number of turn and winding diameter Φ.Can make each wire winding layer that is wound in internal ring portion 22 have second number of turn respectively.Therefore, the present invention fits with by above-mentioned each parameter control, in response to actual state, and designs the coil module 2 of different demands, and first thickness T 1 that satisfies coil module 2 is more than or equal to second thickness T 2.
The cross section 23 of annular core 20 also can be as shown in Figure 5, and cross section 23 is to have stratum's external form.Cross section 23 more can be like Fig. 6 and shown in Figure 7.This area worker can think easily and cross section 23 has other external form, and first thickness T 1 that satisfies coil module 2 is more than or equal to second thickness T 2.Simultaneously, in the present embodiment, itself external form of annular core 20 is to be circle, in other embodiment, also can be ellipse and polygon one of them, not as limit.
In the above-described embodiments, be only to be wound in ring structure iron core 20, and coiling number of plies difference Δ L is one deck with single coiling 24; Yet in other embodiment, as shown in Figure 8, the quantity of the coiling that coil module 2 ' comprised more can be more than one; As 24 ', 24 ", be wound on the ring structure iron core 20 ' respectively, also can be and respectively wind the line number of plies difference Δ L more than one deck.Simultaneously, to shown in Figure 7, the external form in the cross section 23 of annular core 20 is symmetries up and down like Fig. 4, yet not as limit, the external form in cross section 23 also can be asymmetric, as long as first thickness T 1 that can satisfy coil module 2 is more than or equal to second thickness T 2.
In sum; Coil module of the present invention is will wind the line to be wound in ring portion and internal ring portion outside the annular core respectively; And highly be higher than the design of second height of internal ring portion by first of outer portion; After making coiling be wound in annular core, first thickness of coil module is more than or equal to second thickness.By this, make coil module be able to effectively reduce volume, be applied to electronic product small-sized and the slimming design, reach the demand that effectively reduces the electronic product volume to satisfy.
Claims (11)
1. coil module, comprise: an annular core has an outer portion and an internal ring portion; And a coiling, be wound in this ring structure iron core, wherein should coiling system with winding of single layer in this outer portion, and should coiling system with multi-lay winding in this internal ring portion; It is characterized in that; This outer portion of this annular core and this internal ring portion have one first height and one second height respectively, and this first height is greater than this second height, after this coiling is wound in this outer portion; This coil module has one first thickness; And after this coiling was wound in this internal ring portion, this coil module had one second thickness, and this first thickness is more than or equal to this second thickness.
2. coil module as claimed in claim 1; Wherein this annular core need satisfy the following relationship formula: (H1-H2)/and 2 >=Δ L * Φ, and on behalf of this first height, H2, H1 represent this second height; Δ L represents the coiling number of plies of this outer portion and this internal ring portion poor, and Φ represents this winding diameter.
3. coil module as claimed in claim 2, wherein this annular core has an external diameter girth, and the individual layer wire winding layer that is wound in this outer portion has one first number of turn, and this external diameter girth is the product greater than this first number of turn and this winding diameter.
4. coil module as claimed in claim 3, wherein this annular core has an internal diameter girth, and each wire winding layer that is wound in this internal ring portion has one second number of turn respectively, and this internal diameter girth system is greater than a product of this second number of turn and this winding diameter.
5. coil module as claimed in claim 1, wherein this annular core has a cross section, and this cross section is trapezoidal.
6. coil module as claimed in claim 1, wherein a profile of this annular core is one of following shape: circle, ellipse or polygon.
7. coil module, comprise: an annular core has an outer portion and an internal ring portion; And a coiling, be wound in this ring structure iron core, it is characterized in that in this outer portion, and this coiling is at this internal ring portion with multi-lay winding with winding of single layer in this coiling; After this coiling is wound in this outer portion; This coil module has one first thickness; And after this coiling was wound in this internal ring portion, this coil module had one second thickness, and this first thickness is more than or equal to this second thickness; Wherein this outer portion of this annular core and this internal ring portion have one first height and one second height respectively, and this first height is greater than this second height.
8. coil module as claimed in claim 7; Wherein this annular core need satisfy the following relationship formula: (H1-H2)/and 2 >=Δ L * Φ, and on behalf of this first height, H2, H1 represent this second height; Δ L represents the coiling number of plies of this outer portion and this internal ring portion poor, and Φ represents this winding diameter.
9. coil module as claimed in claim 8, wherein this annular core has an external diameter girth, and the individual layer wire winding layer that is wound in this outer portion has one first number of turn, and this external diameter girth is greater than a product of this first number of turn and this winding diameter.
10. coil module as claimed in claim 9, wherein this annular core has an internal diameter girth, and each wire winding layer that is wound in this internal ring portion has one second number of turn respectively, and this internal diameter girth is greater than a product of this second number of turn and this winding diameter.
11. coil module as claimed in claim 10, wherein this annular core has a cross section, and this cross section is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101516030A CN101630570B (en) | 2009-06-22 | 2009-06-22 | Coil module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101516030A CN101630570B (en) | 2009-06-22 | 2009-06-22 | Coil module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101630570A CN101630570A (en) | 2010-01-20 |
| CN101630570B true CN101630570B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101516030A Expired - Fee Related CN101630570B (en) | 2009-06-22 | 2009-06-22 | Coil module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101630570B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201929004A (en) * | 2017-12-12 | 2019-07-16 | 和碩聯合科技股份有限公司 | Coil module, filter module and power module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245261Y (en) * | 1995-07-28 | 1997-01-15 | 姜洪拴 | Ring transformer for special coil |
| CN2450761Y (en) * | 2000-11-17 | 2001-09-26 | 张志刚 | Circular ballast |
| JP2008294140A (en) * | 2007-05-23 | 2008-12-04 | Tdk Corp | Coil component and method for manufacturing coil component |
| CN201199471Y (en) * | 2008-03-24 | 2009-02-25 | 谢明明 | Inductance structure and coil thereof |
-
2009
- 2009-06-22 CN CN2009101516030A patent/CN101630570B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2245261Y (en) * | 1995-07-28 | 1997-01-15 | 姜洪拴 | Ring transformer for special coil |
| CN2450761Y (en) * | 2000-11-17 | 2001-09-26 | 张志刚 | Circular ballast |
| JP2008294140A (en) * | 2007-05-23 | 2008-12-04 | Tdk Corp | Coil component and method for manufacturing coil component |
| CN201199471Y (en) * | 2008-03-24 | 2009-02-25 | 谢明明 | Inductance structure and coil thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101630570A (en) | 2010-01-20 |
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| PB01 | Publication | ||
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| C14 | Grant of patent or utility model | ||
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Application publication date: 20100120 Assignee: DELTA ELECTRONICS (CHENZHOU) CO., LTD. Assignor: Delta Optoelectronics Inc. Contract record no.: 2013990000035 Denomination of invention: Coil module Granted publication date: 20120530 License type: Exclusive License Record date: 20130129 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20180622 |