CN204497003U - Induction structure - Google Patents

Induction structure Download PDF

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Publication number
CN204497003U
CN204497003U CN201420757886.XU CN201420757886U CN204497003U CN 204497003 U CN204497003 U CN 204497003U CN 201420757886 U CN201420757886 U CN 201420757886U CN 204497003 U CN204497003 U CN 204497003U
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CN
China
Prior art keywords
iron core
coil
center pillar
induction
air gap
Prior art date
Application number
CN201420757886.XU
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Chinese (zh)
Inventor
张腾龙
Original Assignee
张腾龙
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Priority to CN201420757886.XU priority Critical patent/CN204497003U/en
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Publication of CN204497003U publication Critical patent/CN204497003U/en

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Abstract

The utility model provides a kind of induction structure, there is a substrate and magnetic element, magnetic element has flat iron core group, the first coil and the second coil, flat iron core has the first iron core and the second iron core, first iron core has two side columns and center pillar, and the second iron core couples the two side columns of the first iron core, forms air gap between center pillar and the second iron core, First Line corral is around center pillar, and the second coil is around lateral column; Wherein this first coil is parallel with this substrate surface around direction with the second coil.

Description

Induction structure
Technical field
The utility model is about the configuration of its internal magnetic element of a kind of electrical installation and structure.
Background technology
Development in science and technology is rapid now, running gear is indispensable electronic equipment in life gradually, such as mobile phone, flat board and Wearable device etc., for increasing running gear portability and convenience, major technique reduces emphatically its size, and only battery storage electricity also reduces, and running gear charge requirement improves, therefore every sample product all must be equipped with a transformer, to charge.Known transformer has to a certain degree volume, and its ultimate challenge system occupies certain space because of inside transformer two kinds of main elements, causes integrated transformers to reduce, and wherein an element is electric capacity, and another element is inductance.Inductance general principle, be by coil winding magnetic material, inductance value is directly proportional to its coil winding number of turn, and for improving inductance value, can complete by the increase number of turn, only increase coil turn and magnetic resistance also can be made to improve, the heat energy of generation can cause magnetic element to be damaged.
Please refer to Fig. 1 and Fig. 2, the schematic diagram of its known charger internal inductance element and plan view, inductance element comprises two iron core 90 and coils 80, this iron core comprises left and right sidewall 91 and a center pillar 92, External Observation is depending on presenting an E font, coil 80 is wound in the center pillar 92 of two iron cores 90, and has an air gap 70 between two iron core middle columns 92.The inductance element defect of known transformer is, for increasing inductance value, then needs to increase coil turn, or have not Co-wound coil or wire diameter demand time, must by coil around stacking, only coil array expands outwardly around center pillar, now be subject to the impact of iron core sidewall, coil turn is also restricted.In addition, as previously mentioned, increasing the number of turn and heat energy will be made to increase, damaging because of overheated damage for avoiding iron core, its sidewall must keep suitable thickness, now during two iron core couplings, anyway arranges, all occupy certain volume, make inductance element cannot micro, volume of transformer also with.In addition, known techniques designs an air gap and avoids magnetic saturation between iron core, and only air gap may bring the problem that leakage inductance and usefulness detract.
In sum, for reducing volume of transformer, for iron core and the coiling thereof of inductance element, further improvement must be done, under making inductance reliability lifting situation, also can reduce and take up space.
Utility model content
Main purpose of the present utility model is to provide an induction structure, reduces its internal magnetic element and taken up space.
Secondary objective of the present utility model is to provide an induction structure, makes the coil of its internal magnetic element around the restriction not by iron core.
Secondary objective of the present utility model is to provide an induction structure, reduces the loss in the leakage field of its internal magnetic element and usefulness.
Secondary objective of the present utility model is to provide an induction structure, effectively its internal magnetic element of configuration, and deperm element and plug bond length, increases device reliability.
For reaching above-mentioned censured each object and effect, the utility model discloses a kind of induction structure, and it has a substrate and a magnetic element, and this magnetic element comprises: a flat iron core group, this flat iron core group has: one first iron core, and this first iron core has two side columns and a center pillar; And one second iron core, couple the two side columns of this first iron core, between this center pillar and this second iron core, there is an air gap; One first coil, around this center pillar; And one second coil, around a lateral column wherein; Wherein, this first coil is parallel with this substrate surface around direction with the second coil.
In one embodiment, wherein this air gap is between the end and the surface of this second iron core of this center pillar for the utility model.
In another embodiment, wherein the surface of this second iron core has a recess to the utility model, and the end of this center pillar is placed in this recess, makes this air gap be formed in this recess, and the geometry of this air gap is to should the geometry of end of recess and this center pillar.
In another embodiment, wherein the end of this center pillar has a protuberance structure to the utility model, forms this air gap with this recess, and the geometry of this air gap is to should the geometry of recess and this protuberance structure.
In another embodiment, wherein this first iron core is E type to the utility model, and this second iron core is I type.
In another embodiment, wherein this first iron core is E type to the utility model, and this second iron core is U-shaped.
In another embodiment, wherein this first coil and the second coil are the stacking formation of multiple pcb board to the utility model.
The utility model in another embodiment, wherein those pcb boards have one first perforation and one second perforation, those pcb boards are in the annular cabling of surrounding's formation one first of this first perforation, one second annular cabling is formed in this biperforate surrounding, this first annular cabling is this first coil, this second annular cabling is this second coil, and this first iron core is arranged in this first perforation and this second perforation.
In another embodiment, wherein this substrate is circuit board to the utility model.
The utility model also discloses a kind of induction structure, and it has a substrate and a magnetic element, and this magnetic element comprises: a prolate iron core group, and this prolate iron core group has: one first iron core, and this first iron core has two side columns and a center pillar; And one second iron core, couple the two side columns of this first iron core, between this center pillar and this second iron core, there is an air gap; One first coil, around this center pillar; And one second coil, around this center pillar and not with this first coil crossover; Wherein this first coil is parallel with this substrate surface around direction with this second coil.
In another embodiment, wherein this air gap is between the end and the surface of this second iron core of this center pillar for the utility model.
In another embodiment, wherein the surface of this second iron core has a recess to the utility model, and the end of this center pillar is placed in this recess, makes this air gap be formed in this recess, and the geometry of this air gap is to should the geometry of end of recess and this center pillar.
In another embodiment, wherein the end of this center pillar has a protuberance structure to the utility model, forms this air gap with this recess, and the geometry of this air gap is to should the geometry of recess and this protuberance structure.
In another embodiment, wherein this first iron core is E type to the utility model, and this second iron core is I type.
In another embodiment, wherein this first iron core is E type to the utility model, and this second iron core is U-shaped.
In another embodiment, wherein this first coil and this second coil are formed by the multiple pcb board of storehouse the utility model.
The utility model in another embodiment, wherein those pcb boards have one first perforation and one second perforation, those pcb boards are in the annular cabling of surrounding's formation one first of this first perforation, one second annular cabling is formed in this biperforate surrounding, this first annular cabling is this first coil, this second annular cabling is this second coil, and this first iron core is arranged in this first perforation and this second perforation.
In another embodiment, wherein this substrate is circuit board to the utility model.
Accompanying drawing explanation
Fig. 1: it is known techniques magnetic element schematic diagram;
Fig. 2: it is known techniques magnetic element plan view;
Fig. 3: it is a preferred embodiment induction structure schematic diagram of the present utility model;
Fig. 4: it is the utility model preferred embodiment magnetic element schematic diagram;
Fig. 5: it is the utility model preferred embodiment magnetic element plan view;
Fig. 6: it is the air gap schematic diagram of another preferred embodiment of the utility model;
Fig. 7: it is the air gap schematic diagram of another preferred embodiment of the utility model;
Fig. 8: it is another preferred embodiment magnetic element plan view of the utility model;
Fig. 9: it is another preferred embodiment magnetic element plan view of the present utility model;
Figure 10: it is the magnetic element schematic diagram of another preferred embodiment of the utility model.
[figure number is to as directed]
10 substrates
20 magnetic elements
201 flat iron core group
2011 first iron cores
20111 lateral columns
20112 center pillars
2012 second iron cores
202 first coils
203 second coils
204 air gaps
205 pcb boards
2051 first perforation
2052 second perforation
2053 first annular cablings
2054 second annular cablings
70 air gaps
80 coils
90 iron cores
91 sidewalls
92 center pillars
L is around direction
Embodiment
In order to make architectural feature of the present utility model and effect of reaching have a better understanding and awareness, spy's preferred embodiment and coordinate detailed description, is described as follows:
Please refer to Fig. 3, it is a preferred embodiment induction structure schematic diagram of the present utility model, in the lump with reference to Fig. 4, is a preferred embodiment magnetic element schematic diagram of the present utility model; As shown in the figure, induction structure of the present utility model, it comprises: substrate 10 and magnetic element 20, and magnetic element 20 comprises: flat iron core group 201, first coil 202 and the second coil 203; In addition, flat iron core group 201 more comprises: the first iron core 2011 and the second iron core 2012.
Please with reference to Fig. 5, it is the plan view of the utility model magnetic element, magnetic element 20 of the present utility model is arranged on substrate 10, wherein the first iron core 2011 has two side columns 20111 and a center pillar 20112, first iron core 2011 outward appearance presents an E font, second iron core 2012 couples the two side columns 20111 of the first iron core 2011, second iron core 2012 outward appearance presents an I font, and between center pillar 20112 and the second iron core 2012, there is an air gap 204, formed by the end of center pillar 20112 and the second iron core 2012 surface; In addition, the first coil 202 of magnetic element 20 is around center pillar 20112, first coil 202 of the first iron core 2011 around scope containing the end of lid center pillar, and the second coil 203 is around the first iron core 2011 lateral column 20111 wherein.
The substrate 10 of the utility model induction structure is circuit board, and except magnetic element 20, visual demand arranges other element.First coil 202 of magnetic element 20 and the second coil 203 are respectively around center pillar 20112 and a wherein lateral column 20111, not mutual crossover each other, therefore its coiling is not restrained by flat iron core group 201 space, visual circuit requirements designs the first coil 202 and the second coil 203 number of turn separately, or can arrange tertiary coil in another lateral column 20111, tertiary coil also can not be restrained by the space of iron core; In addition, because flat iron core group 201 is flat, therefore magnetic element 20 can lie low on substrate 10, what is called lies low in substrate 10 i.e. the first coil 202 this substrate 10 surface parallel with the direction of winding L of the second coil 203, therefore, utilize flat iron core group 201 to make the setting of its substrate 10 that lies low, significantly can reduce magnetic element 20 and take up space at electrical installation.
Please refer to Fig. 6, it is the air gap schematic diagram of another preferred embodiment of the utility model; As shown in the figure, air gap 204 of the present utility model is formed by the end of the center pillar 20111 of the first iron core 2011 and the surface of the second iron core 2012, the surface of the second iron core 2012 has more recess, recess just can the end of accommodating center pillar, therefore air gap 204 is formed in recess, in addition, the geometry of recess can coordinate the geometry of center pillar end, air gap 204 is arranged in the recess in the second iron core 2012 surface, forms a coated district, can reduce the impairment in leakage field and usefulness.Please with reference to Fig. 7, it is the air gap schematic diagram of another preferred embodiment of the utility model; As shown in the figure, the utility model has except recess except the surface of the second iron core 2012, and the end of center pillar 20111 can form a protuberance structure, and the protuberance structure making this end just in accommodating recess, can have better covered effect.
Please refer to Fig. 8, it is another preferred embodiment magnetic element plan view of the utility model; As shown in the figure, the first iron core 2011 outward appearance of the present utility model presents an E font, and the second iron core 2012 outward appearance presents a U-shaped, and the second coil 203 now also can comprise the second iron core 2012 around scope.In conjunction with previous embodiment, the second iron core 2012 surface of U-shaped has recess, and the geometry of recess can coordinate the geometry of center pillar end, forms an air gap 204.
Please refer to Fig. 9, it is another preferred embodiment magnetic element plan view of the present utility model; As shown in the figure, iron core group of the present utility model presents prolate shape, first iron core 2011 has two side columns 20111 and a center pillar 20112, second iron core 2012 couples two side columns 20111, between center pillar 20112 and the second iron core 2012 surface, there is an air gap 204, wherein the first coil 202 is around center pillar 20112, the second coil 203 around center pillar 20112 and not with the first coil 202 crossover.First coil 202 of the present embodiment and the second coil 203 are respectively around center pillar 20111, and need not overlap setting, also do not restrain by iron core space, and its prolate shape iron core group can reach the reduction of subtracted electrical installation structure.
Please refer to Figure 10, it is the magnetic element schematic diagram of another preferred embodiment of the utility model, as shown in the figure, magnetic element of the present utility model is formed with iron core group and multiple PCB version 204, each PCB version 205 has one first perforation 2051, and second bores a hole 2052, and the first perforation 2051 surrounding forms one first annular cabling 2053, second perforation 2052 surrounding forms one second annular cabling 2054, when multiple PCB version 205 storehouse, first annular cabling 2053 is as the first coil 202, with the second annular cabling 2054 as the second coil 203, and the two side columns 20111 of the first iron core 2011 and center pillar 20112 are each passed through the first perforation 2051 and the second perforation 2052.
Excessive for solving known induction structure internal magnetic element volume, and occupy the problem of larger space, induction structure disclosed by the utility model its comprise substrate and be arranged at magnetic element on substrate, magnetic element has flat-shaped iron core group, comprise the first iron core and the second iron core, first iron core has two side columns and a center pillar, second iron core and two side columns couple, the surface of center pillar and the second iron core forms an air gap, and there is a First Line corral around center pillar, and around scope not containing lid center pillar end, one second coil is around a wherein lateral column, wherein magnetic element lies low and is arranged on substrate, what is called lies low, and to be the first coil with the second coil parallel with this substrate surface around direction, reduce magnetics volume by this, and it is another by iron core prolate characteristic, it is made to lie low on substrate, significantly reduce magnetic element taken up space, in addition, because the first coil and the second coil are respectively around lateral column and center pillar, there is no mutual storehouse, therefore coil turn and wire diameter need not limit by iron core.
In addition, affect for avoiding magnetic element usefulness, second iron core surface of the present utility model has recess one air gap, recess can the end of accommodating center pillar, and the geometry of recess can coordinate the geometry of center pillar end, the air gap made forms a coated district, can reduce the loss in leakage field and usefulness.Induction structure of the present utility model, also can be prolate shape iron core group, now First Line corral is around center pillar, the second coil around center pillar and not with the first coil crossover, now coil around also not by the spatial limitation of iron core, reach magnetic element and reduce in induction structure inside the effect taken up space.
In addition, for simplify coil around, the utility model first coil and the second coil can be formed by multiple PCB version, each PCB version has the first perforation, and the second perforation, and the first perforation forms annular cabling around boring a hole with second, when multiple PCB version storehouse, first iron core as the first coil and the second coil, and is each passed through the first perforation and the second perforation by annular cabling, so also can reach the effect of magnetics volume reduction.
Above is only preferred embodiment of the present utility model, not be used for limit the utility model implement scope, all equalizations of doing according to shape, structure, feature and the spirit described in the utility model right change and modify, and all should be included in right of the present utility model.

Claims (18)

1. an induction structure, is characterized in that, it has a substrate and a magnetic element, and this magnetic element comprises:
One flat iron core group, this flat iron core group has:
One first iron core, this first iron core has two side columns and a center pillar; And
One second iron core, couples the two side columns of this first iron core, has an air gap between this center pillar and this second iron core;
One first coil, around this center pillar; And
One second coil, around a lateral column wherein;
Wherein, this first coil is parallel with this substrate surface around direction with the second coil.
2. induction structure as claimed in claim 1, it is characterized in that, wherein this air gap is between the end and the surface of this second iron core of this center pillar.
3. induction structure as claimed in claim 1, it is characterized in that, wherein the surface of this second iron core has a recess, and the end of this center pillar is placed in this recess, make this air gap be formed in this recess, the geometry of this air gap is to should the geometry of end of recess and this center pillar.
4. induction structure as claimed in claim 3, it is characterized in that, wherein the end of this center pillar has a protuberance structure, forms this air gap with this recess, and the geometry of this air gap is to should the geometry of recess and this protuberance structure.
5. induction structure as claimed in claim 1, it is characterized in that, wherein this first iron core is E type, and this second iron core is I type.
6. induction structure as claimed in claim 1, it is characterized in that, wherein this first iron core is E type, and this second iron core is U-shaped.
7. induction structure as claimed in claim 1, it is characterized in that, wherein this first coil and the second coil are the stacking formation of multiple pcb board.
8. induction structure as claimed in claim 7, it is characterized in that, wherein those pcb boards have one first perforation and one second perforation, those pcb boards are in the annular cabling of surrounding's formation one first of this first perforation, one second annular cabling is formed in this biperforate surrounding, this first annular cabling is this first coil, and this second annular cabling is this second coil, and this first iron core is arranged in this first perforation and this second perforation.
9. induction structure as claimed in claim 1, it is characterized in that, wherein this substrate is circuit board.
10. an induction structure, is characterized in that, it has a substrate and a magnetic element, and this magnetic element comprises:
One prolate iron core group, this prolate iron core group has:
One first iron core, this first iron core has two side columns and a center pillar; And
One second iron core, couples the two side columns of this first iron core, has an air gap between this center pillar and this second iron core;
One first coil, around this center pillar; And
One second coil, around this center pillar and not with this first coil crossover;
Wherein this first coil is parallel with this substrate surface around direction with this second coil.
11. induction structures as claimed in claim 10, is characterized in that, wherein this air gap is between the end and the surface of this second iron core of this center pillar.
12. induction structures as claimed in claim 10, it is characterized in that, wherein the surface of this second iron core has a recess, and the end of this center pillar is placed in this recess, make this air gap be formed in this recess, the geometry of this air gap is to should the geometry of end of recess and this center pillar.
13. induction structures as claimed in claim 12, it is characterized in that, wherein the end of this center pillar has a protuberance structure, forms this air gap with this recess, and the geometry of this air gap is to should the geometry of recess and this protuberance structure.
14. induction structures as claimed in claim 10, it is characterized in that, wherein this first iron core is E type, and this second iron core is I type.
15. induction structures as claimed in claim 10, it is characterized in that, wherein this first iron core is E type, and this second iron core is U-shaped.
16. induction structures as claimed in claim 10, is characterized in that, wherein this first coil and this second coil are formed by the multiple pcb board of storehouse.
17. induction structures as claimed in claim 16, it is characterized in that, wherein those pcb boards have one first perforation and one second perforation, those pcb boards are in the annular cabling of surrounding's formation one first of this first perforation, one second annular cabling is formed in this biperforate surrounding, this first annular cabling is this first coil, and this second annular cabling is this second coil, and this first iron core is arranged in this first perforation and this second perforation.
18. induction structures as claimed in claim 10, it is characterized in that, wherein this substrate is circuit board.
CN201420757886.XU 2014-12-05 2014-12-05 Induction structure CN204497003U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420757886.XU CN204497003U (en) 2014-12-05 2014-12-05 Induction structure

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Application Number Priority Date Filing Date Title
CN201420757886.XU CN204497003U (en) 2014-12-05 2014-12-05 Induction structure

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CN204497003U true CN204497003U (en) 2015-07-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719786A (en) * 2014-12-05 2016-06-29 张腾龙 Inductor structure
WO2018158339A1 (en) * 2017-03-02 2018-09-07 Valeo Siemens Eautomotive France Sas Magnetic component and voltage converter comprising same
CN108777928A (en) * 2018-06-27 2018-11-09 西北民族大学 A kind of automatic control magnetic suspension heat dissipation type stacked circuit board combining structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719786A (en) * 2014-12-05 2016-06-29 张腾龙 Inductor structure
WO2018158339A1 (en) * 2017-03-02 2018-09-07 Valeo Siemens Eautomotive France Sas Magnetic component and voltage converter comprising same
FR3063567A1 (en) * 2017-03-02 2018-09-07 Valeo Siemens Eautomotive France Sas MAGNETIC COMPONENT AND VOLTAGE CONVERTER COMPRISING IT
CN108777928A (en) * 2018-06-27 2018-11-09 西北民族大学 A kind of automatic control magnetic suspension heat dissipation type stacked circuit board combining structure
CN108777928B (en) * 2018-06-27 2020-01-10 西北民族大学 Self-control magnetic suspension heat dissipation type stacked circuit board combined structure

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150722

Termination date: 20161205