CN105719784A - Integrated magnetic coupled inductor in the shape of Chinese character mu - Google Patents
Integrated magnetic coupled inductor in the shape of Chinese character mu Download PDFInfo
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- CN105719784A CN105719784A CN201410361100.7A CN201410361100A CN105719784A CN 105719784 A CN105719784 A CN 105719784A CN 201410361100 A CN201410361100 A CN 201410361100A CN 105719784 A CN105719784 A CN 105719784A
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Abstract
The invention discloses an integrated magnetic coupled inductor in the shape of Chinese character mu, wherein the inductor is composed of an iron core body in the shape of Chinese character mu and two-phase coils; the iron core body in the shape of Chinese character mu is composed of four ''U'' shaped iron cores; the magnetic poles of two ''U'' shaped iron cores are arranged oppositely and form a square shaped iron core; the two-phase coils are wound on the two magnetic poles of the square shaped iron core; the other two ''U'' shaped iron cores are arranged at two sides of the magnetic poles of the square shaped iron core and are buckled on the two-phase coils; and the two magnetic poles of the other two ''U'' shaped iron cores keep certain distances with the magnetic poles of the square shaped iron core, thus forming air gaps. The inductor has the advantages that the inductor is used for inductance coupling integration; the quantity of the air gaps is doubled; the lengths of the air gaps are reduced to a half; the air gaps are symmetrical; the diffusion fluxes of the air gaps are clearly reduced; the mutual inductive magnetic circuit of the two coils is the shortest without the air gap; the mutual inductance and the self-inductance are high; the energy and the material are saved; and the electromagnetic interferences are reduced.
Description
Technical field
The present invention relates to a kind of inducer, particularly relate to the integrated coupling inductor of one " order " font magnetic, can be widely applied in the crisscross parallel Switching Power Supply of various unidirectional operation and way traffic.
Technical background
In recent years, there is provided the Switching Power Supply of electric energy just towards low-voltage for various electrical equipments, big electric current, volume is little, lightweight, efficiency is high, slimming and integrated direction development, it is widely used in electric automobile including rising in recent years, hybrid electric vehicle, uninterrupted power source, the quality of power supply regulates power supply, airplane power source, renewable energy power generation and superconducting energy storage etc. need the two-way switch power supply of energy in bidirectional flow occasion, these Switching Power Supplies are by adopting the topological structure of multiphase interleaving, output electric current and power can be increased, reduce the capacity of switching device, but wherein the Integration Design of each phase energy-storage reactor is a difficulty and challenging work, seriously constrain crisscross parallel Switching Power Supply and reduce volume, improve the realization of the target such as efficiency and dynamic responding speed.
At present, the integrated coupling inductor of known magnetic is made up of ferrite iron core and coil, and coil is wound on the magnetic post of ferrite iron core.Existing " EE " or " EI " type coupling inductor exist that the mutual inductance magnetic circuit length of two coils, magnetic resistance be big, self-induction and the technological deficiency such as mutual inductance is little, are unfavorable for the reduction of core volume and the reduction of loss.
Summary of the invention
It is an object of the invention to overcome above-mentioned technical deficiency, it is provided that a kind of implement conveniently, iron core coupled structure is simple, magnetic air gap and loop length is minimum, save the integrated coupling inductor of magnetic that copper material, coil copper loss and core loss are little.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of integrated coupling inductor of " order " font magnetic, is made up of " order " font iron-core workpiece and biphase coil, and described " order " font iron-core workpiece is made up of four "U" shaped iron cores；The magnetic post of described two of which "U" shaped iron core is staggered relatively and forms " mouth " font iron core, and four magnetic posts of described two of which "U" shaped iron core form two magnetic posts of described " mouth " font iron core between two relatively；Two phase coils described in difference coiling on the said two magnetic post of described " mouth " font iron core；Two other "U" shaped iron core described is respectively placed in the magnetic post both sides of described " mouth " font iron core, being buckled on described two phase coils, the magnetic post both sides of the magnetic post of two other "U" shaped iron core described and described " mouth " font iron core keep a segment distance to form air gap.
The invention has the beneficial effects as follows:
1. the inductance of the crisscross parallel Switching Power Supply that the present invention both may be used for tradition unidirectional operation is integrated, can be used for the inductance of the crisscross parallel Switching Power Supply of the way traffic of rising in recent years integrated, can be also used for the difference of anti-emi filter, common mode inductance integrated, thus realizing integrated, the miniaturization of Switching Power Supply, planarization and high efficiency.
2. the air gap quantity of the present invention doubles than the air gap quantity of tradition " EE " or " EI " type coupling inductor, and the length of each magnetic air gap reduces half, so the magnetic pressure distribution of magnetic circuit is more uniform, the dispersing flux of magnetic air gap is substantially reduced, the electromagnetic consumable and the electromagnetic interference that are caused by dispersing flux are substantially reduced, and both can save the energy, can increase again the inductance coefficent of iron core, thus reducing coil turn, save copper material.
3. the iron-core workpiece of the present invention is combined by conventional "U" shaped iron core, it is easy to realize large-scale production.
4. the present invention adopts the method for pad to replace the method grinding iron core to adjust gas length, makes gas length be easier to adjust.
5. the present invention can first around making coil, the magnetic post of two "U" shaped iron cores through coil and is docked and forms " mouth " font iron core, being buckled on two phase coils by two other "U" shaped iron core, production technology is simple, it is easy to realize mass automatic production.
6. the mutual inductance magnetic circuit of two coils is the shortest, and magnetic resistance is minimum, and coupling is the tightst, thus increasing from inductance value and the coefficient of coup, and reduces coil turn, saves copper material.
Elaborate with embodiment below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the structure top view of a kind of integrated coupling inductor of " order " font magnetic.
Fig. 2 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment two of Fig. 1.
Fig. 3 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment three of Fig. 2.
Fig. 4 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment four of Fig. 2.
Fig. 5 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment five of Fig. 3.
Fig. 6 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment six of Fig. 2.
Fig. 7 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment seven of Fig. 3.
Fig. 8 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment eight of Fig. 6.
Fig. 9 is the structure top view of the integrated coupling inductor of " order " font magnetic of the embodiment nine of Fig. 7.
In figure, 1-" order " font iron-core workpiece；1-1,1-2,1-3,1-4-"U" shaped iron core；The magnetic post of 1-1-1,1-1-2-"U" shaped iron core 1-1；The magnetic post of 1-2-1,1-2-2-"U" shaped iron core 1-2；The magnetic post of 1-3-1,1-3-2-"U" shaped iron core 1-3；The magnetic post of 1-4-1,1-4-2-"U" shaped iron core 1-4；1-5,1-6-Font iron core；1-5-1,1-5-2-The yoke of font iron core 1-5；1-6-1,1-6-2-The yoke of font iron core 1-6；1-7,1-8--" I " font iron core；1-9-" one " font iron core.2-coil；3-" mouth " font iron core；The magnetic post of 3-1,3-2-" mouth " font iron core 3；4-air gap.
Detailed description of the invention
Embodiment one:
With reference to accompanying drawing 1, a kind of integrated coupling inductor of " order " font magnetic, it is made up of " order " font iron-core workpiece 1 and two phase coils 2, described iron-core workpiece 1 is made up of four "U" shaped iron core 1-1,1-2,1-3 and 1-4；Magnetic post 1-1-1,1-1-2 and 1-2-1,1-2-2 of described two of which "U" shaped iron core 1-1 and 1-2 are staggered relatively and form " mouth " font iron core 3, magnetic post 1-1-1 and the 1-2-1 of described two of which "U" shaped iron core 1-1 and 1-2 relatively, 1-1-2 and 1-2-2 relatively form two magnetic post 3-1 and 3-2 of described " mouth " font iron core 3；At two phase coils 2 described in the upper coiling respectively of said two magnetic post 3-1 and 3-2 of described " mouth " font 3 iron core；Described two other "U" shaped iron core 1-3 and 1-4 is respectively placed in the both sides of magnetic post 3-1 and the 3-2 of described " mouth " font iron core 3, is buckled on described two phase coils 2；Magnetic post 1-3-1,1-3-2,1-4-1,1-4-2 of described two other "U" shaped iron core 1-3 and 1-4 and the magnetic post 3-1 of described " mouth " font iron core and 3-2 both sides keep a segment distance to form air gap 4；Two directions of arrow shown on two phase coils 2 represent the Application Example of a kind of sense of current.
Embodiment two:
With reference to accompanying drawing 2, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, "U" shaped iron core 1-1, the 1-2 in embodiment one is replaced byFont iron core 1-5,1-6, be replaced by " I " font iron core 1-7,1-8 by "U" shaped iron core 1-3, the 1-4 in embodiment one；" I " font iron core 1-7,1-8 respectively withA segment distance is kept to form air gap 4 between yoke 1-5-1 and 1-6-1,1-5-2 and 1-6-2 of font iron core 1-5,1-6.
Embodiment three:
With reference to accompanying drawing 3, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, " I " font iron core 1-7 in embodiment two is clipped inBetween the yoke 1-5-1 and 1-6-1 of font iron core 1-5,1-6, " I " font iron core 1-8 in embodiment two is clipped inBetween the yoke 1-5-2 and 1-6-2 of font iron core 1-5,1-6；" I " font iron core 1-7,1-8 respectively withA segment distance is kept to form air gap 4 between yoke 1-5-1 and 1-6-1,1-5-2 and 1-6-2 of font iron core 1-5,1-6.
Embodiment four:
With reference to accompanying drawing 4, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, by embodiment twoFont iron core 1-5 uses " one " font iron core 1-9 instead.
Embodiment five:
With reference to accompanying drawing 5, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, by embodiment threeFont iron core 1-5 uses " one " font iron core 1-9 instead.
Embodiment six:
With reference to accompanying drawing 6, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, the integrated coupling inductor of biphase magnetic in embodiment two is expanded to the integrated coupling inductor of three-phase magnetic.The rest may be inferred, it is possible to forms four phases, five phases or even any integrated coupling inductor of heterogeneous magnetic.
Embodiment seven:
With reference to accompanying drawing 7, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, the integrated coupling inductor of biphase magnetic in embodiment three is expanded to the integrated coupling inductor of three-phase magnetic.The rest may be inferred, it is possible to forms four phases, five phases or even any integrated coupling inductor of heterogeneous magnetic.
Embodiment eight:
With reference to accompanying drawing 8, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, the integrated coupling inductor of biphase magnetic in embodiment four is expanded to the integrated coupling inductor of three-phase magnetic.The rest may be inferred, it is possible to forms four phases, five phases or even any integrated coupling inductor of heterogeneous magnetic.
Embodiment nine:
With reference to accompanying drawing 9, the Another Application embodiment of a kind of integrated coupling inductor of " order " font magnetic, the integrated coupling inductor of biphase magnetic in embodiment five is expanded to the integrated coupling inductor of three-phase magnetic.The rest may be inferred, it is possible to forms four phases, five phases or even any integrated coupling inductor of heterogeneous magnetic.
Claims (9)
1. the integrated coupling inductor of " order " font magnetic, is made up of " order " font iron-core workpiece and biphase coil, and described " order " font iron-core workpiece is made up of four "U" shaped iron cores；The magnetic post of described two of which "U" shaped iron core is staggered relatively and forms " mouth " font iron core, and four magnetic posts of described two of which "U" shaped iron core form two magnetic posts of described " mouth " font iron core between two relatively；Two phase coils described in difference coiling on the said two magnetic post of described " mouth " font iron core；Two other "U" shaped iron core described is respectively placed in the magnetic post both sides of described " mouth " font iron core, being buckled on described two phase coils, the magnetic post both sides of the magnetic post of two other "U" shaped iron core described and described " mouth " font iron core keep a segment distance to form air gap.
2. the integrated coupling inductor of one according to claim 1 " order " font magnetic, it is characterized in that two "U" shaped analysis iron core replacements by composition " mouth " font iron core are two " π " font iron cores, it is two " I " font iron cores by two other "U" shaped analysis iron core replacement, keeps a segment distance to form air gap between the yoke of described " I " font iron core and described " π " font iron core.
3. the integrated coupling inductor of one according to claim 2 " order " font magnetic, it is characterized in that by two " I " font iron core clamps between the yoke of two " π " font iron cores, keep a segment distance to form air gap between the yoke of described " I " font iron core and described " π " font iron core.
4. the integrated coupling inductor of one according to claim 2 " order " font magnetic, it is characterised in that use one of them " π " font iron core instead " one " font iron core.
5. the integrated coupling inductor of one according to claim 3 " order " font magnetic, it is characterised in that use one of them " π " font iron core instead " one " font iron core.
6. the integrated coupling inductor of one according to claim 2 " order " font magnetic, it is characterised in that integrated for biphase magnetic coupling inductor is expanded to the integrated coupling inductor of three-phase magnetic.
7. the integrated coupling inductor of one according to claim 3 " order " font magnetic, it is characterised in that integrated for biphase magnetic coupling inductor is expanded to the integrated coupling inductor of three-phase magnetic.
8. the integrated coupling inductor of one according to claim 4 " order " font magnetic, it is characterised in that integrated for biphase magnetic coupling inductor is expanded to the integrated coupling inductor of three-phase magnetic.
9. the integrated coupling inductor of one according to claim 5 " order " font magnetic, it is characterised in that integrated for biphase magnetic coupling inductor is expanded to the integrated coupling inductor of three-phase magnetic.
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| CN201410361100.7A CN105719784B (en) | 2014-07-23 | 2014-07-23 | A kind of integrated coupling inductor of mu character shape magnetic |
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| CN201410361100.7A CN105719784B (en) | 2014-07-23 | 2014-07-23 | A kind of integrated coupling inductor of mu character shape magnetic |
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| CN105719784B CN105719784B (en) | 2019-01-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417035A (en) * | 2019-08-19 | 2019-11-05 | 东莞金昱鑫节能科技有限公司 | A kind of power saving apparatus supporting stream based on anti-phase |
| CN111755215A (en) * | 2019-03-28 | 2020-10-09 | 株式会社村田制作所 | Magnetic integrated device |
| CN114337208A (en) * | 2021-12-21 | 2022-04-12 | 西南交通大学 | PFC circuit compatible with single-phase and three-phase alternating-current input and control method |
| CN114496456A (en) * | 2022-03-04 | 2022-05-13 | 中车青岛四方机车车辆股份有限公司 | Integrated suspension electromagnet, linear motor and magnetic suspension train |
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| CN203351329U (en) * | 2013-06-27 | 2013-12-18 | 江苏爱克赛电气制造有限公司 | Inversion inductors based on high-frequency UPS |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114337208A (en) * | 2021-12-21 | 2022-04-12 | 西南交通大学 | PFC circuit compatible with single-phase and three-phase alternating-current input and control method |
| CN114496456A (en) * | 2022-03-04 | 2022-05-13 | 中车青岛四方机车车辆股份有限公司 | Integrated suspension electromagnet, linear motor and magnetic suspension train |
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