CN207542053U - A kind of double-deck FPC loop constructions for wireless charging - Google Patents
A kind of double-deck FPC loop constructions for wireless charging Download PDFInfo
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- CN207542053U CN207542053U CN201721714754.9U CN201721714754U CN207542053U CN 207542053 U CN207542053 U CN 207542053U CN 201721714754 U CN201721714754 U CN 201721714754U CN 207542053 U CN207542053 U CN 207542053U
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- 239000013589 supplement Substances 0.000 claims abstract description 24
- 230000005611 electricity Effects 0.000 claims abstract description 4
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- 230000006698 induction Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000005684 electric field Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
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Abstract
The utility model discloses a kind of double-deck FPC loop constructions for wireless charging, include the No.1 coil of one, No. two coils and two sections of disengaging electricity straightways parallel to each other, No. two coils direction of rotation from inside to outside and No.1 coil are opposite, the end of the electric straightway of wherein one section of disengaging is connected with the outermost end of No.1 coil, the end of the electric straightway of another section of disengaging is connected with circle supplement line segment, the other end for supplementing line segment is equipped with No.1 linkage section, the inner terminal of No.1 coil is equipped with No. two linkage sections, the outermost end of No.1 linkage section and No. two coils is connected, No. two linkage sections are connected with the inner terminal of No. two coils.The benefit of the utility model is No.1 coil and No. two fitting coils, improves the intensity of magnetic induction, is conducive to wireless charging;Facilitate the assembling of installation and wireless charging device of the coil in wireless charging device;The magnetic field of first coil is corresponding with the magnetic field of the second coil, improves magnetic induction, is conducive to improve the efficiency of wireless charging.
Description
Technical field
The utility model is related to wireless charging technical field more particularly to a kind of double-deck FPC coils for wireless charging
Structure.
Background technology
At present, common low power wireless charger carries out energy coupling frequently with electromagnetic induction principle by coil
The characteristics of realizing the transmission of energy, being connected without traditional charging power cord, thus increasingly by mobile phone, tablet computer, intelligence
The favor of the producers such as energy wrist-watch.The coiler part of its energy transmission due to there is the loss of resistance, can generate a large amount of losses, reduce
Efficiency of transmission increases calorific value.Therefore how to improve coil performance is a critically important technical problem of wireless charging.
Application No. is CN2017104522894 in Chinese patent literature, publication date is August in 2017 18 days, the name of invention
Referred to as " a kind of induction coil structure and preparation method for wireless charging device ", this application discloses one kind for wireless
The induction coil structure of charging equipment includes conducting wire, and the conducting wire coiling forms coil, and the surface of the conducting wire offers
Slit, the slit extend along the length direction of conducting wire.In induction coil structure disclosed by the invention, since the surface of conducting wire is opened
Equipped with slit, under the action of slit so that conducting wire is by the parallel connection that a line equivalent is two lines road, based on structure spy
Property, invention increases the circulation areas of conductive line surfaces electric current, reduce the horizontal area of conducting wire fluting side, so as to reduce
The influence of skin effect, while reduce vortes interference of the transmitting coil to receiving coil, working efficiency is effectively increased, and drop
The low Wen Sheng of coil.Disadvantage is that the coil of the conducting wire winding of equal length, the coil formed after conducting wire is thicker
Area can be excessive, can increase the cost of production for wireless charging device;And if allowing the area of coil will not be excessive, line
The length of circle just needs to reduce, and the current field that the coil after conducting wire overstriking generates can subtract relative to the coil of the non-overstriking of conducting wire
It is small, the efficiency of charging can be reduced.Existing coil often directly passes through straight due to the needs in circuit, leading-out terminal from the lower end edge of coil
Conducting wire passes through, and the utilization ratio of electric field is low, and not in same plane, the electric current in-out end of coil can cause the electric current in-out end of coil
Induced field is imperfect.
Therefore, design that a kind of resistance is smaller, the higher loop construction of wireless charging efficiency is with regard to necessary.
Utility model content
The utility model will overcome the inlet and outlet of the coil of existing wireless charging not in same plane, the electric current of coil
In-out end can cause induced field imperfect, the low deficiency of coil utilization rate, provide a kind of double-deck FPC for wireless charging
Loop construction in the electric current in-out end of coil is generally aligned in the same plane, ensures the integrality of coil current induced field, improves wireless
The charge efficiency of charging equipment.
To achieve these goals, the utility model adopts the following technical solution.
A kind of double-deck FPC loop constructions for wireless charging, No.1 coil, No. two coils and two sections including one that
This parallel disengaging electricity straightway, No. two coils direction of rotation from inside to outside and No.1 coil are on the contrary, No.1 coil and No. two
Coil is parallel opposite, passes in and out electric straightway and No.1 coil is coplanar, wherein one section of the end of the electric straightway of disengaging and No.1 line
The outermost end of circle is connected, and the end of the electric straightway of another section of disengaging is connected with circle supplement line segment, supplement line segment and No.1 coil
Coplanar, the other end for supplementing line segment is equipped with the No.1 linkage section vertical with plane where No.1 coil, the inner terminal of No.1 coil
Equipped with No. two linkage sections parallel and equal length with No.1 linkage section, No. two linkage sections and No.1 linkage section are located at No.1 coil
The outermost end of homonymy, No.1 linkage section and No. two coils is connected, and No. two linkage sections are connected with the inner terminal of No. two coils.
Preferably, the number of turns that the number of turns of No. two coils is No.1 coil adds one.
Preferably, supplement line segment is set in the outside of No.1 coil, the outermost end of No.1 coil is located at supplement line segment
Between both ends.
Preferably, being equipped with magnetic conduction panel between No.1 coil and No. two coils, it is equipped in magnetic conduction panel and accommodates No.1 company
Connect section and No. two linkage sections by through-hole.
Preferably, supplement line segment is from the outwardly extending helical segment of the electric straightway of disengaging.
Preferably, supplement line segment is circular arc line segment.
The utility model is beneficial in that:
1st, No.1 coil and No. two fitting coils, improve the intensity of magnetic induction, are conducive to wireless charging;
2nd, in the inlet-outlet line straightway of coil is generally aligned in the same plane, facilitate installation and nothing of the coil in wireless charging device
The assembling of micro USB electric equipment;
3rd, supplement line segment can supplement the magnetic field field domain of first coil, make the magnetic field of first coil and the magnetic field of the second coil
It is corresponding, magnetic induction is improved, is conducive to improve the efficiency of wireless charging;
4th, the magnetic field intensity between magnetic conduction panel enhancing No.1 coil and No. two coils, facilitates the progress of wireless charging.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment one of the utility model.
Fig. 2 is the structure diagram of the embodiment two of the utility model.
Fig. 3 is the structure diagram of the embodiment three of the utility model.
In figure:Electric 1 No.1 coil of straightway, 2 No. two coils, 3 No.1 linkage section, 4 No. two linkage sections 5 of disengaging
Magnetic conduction panel 6.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
In Fig. 1, Fig. 2 and Fig. 3, a kind of double-deck FPC loop constructions for wireless charging, the No.1 coil 2 including one,
No. two coils 3 and two sections of disengaging electricity straightways 1 parallel to each other, No. two coils 3 direction of rotation from inside to outside and No.1 coil 2
On the contrary, No.1 coil 2 is parallel with No. two coils 3 opposite, passes in and out electric straightway 1 and No.1 coil 2 is coplanar, wherein one section of disengaging
The end of electric straightway 1 is connected with the outermost end of No.1 coil 2, and the end of the electric straightway 1 of another section of disengaging is connected with circle benefit
Line segment is filled, supplement line segment is set in the outside of No.1 coil 2, and the outermost end of No.1 coil 2 is located between the both ends of supplement line segment.
It supplements line segment and No.1 coil 2 is coplanar, the other end for supplementing line segment is connect equipped with the No.1 vertical with 2 place plane of No.1 coil
Section 4, the inner terminal of No.1 coil 2 are equipped with No. two linkage sections 5 parallel and equal length with No.1 linkage section 4, No. two 5 Hes of linkage section
No.1 linkage section 4 is located at the homonymy of No.1 coil 2, and No.1 linkage section 4 is connected with the outermost end of No. two coils 3, No. two linkage sections 5
It is connected with the inner terminal of No. two coils 3.The number of turns of No. two coils 3 is that the number of turns of No.1 coil 2 adds one.As shown in Figure 1, Figure 2 in Fig. 3
Shown, the number of turns of No. two coils 3 is 6, and the number of turns of No.1 coil 2 is 5, and the outside of No.1 coil 2 is arranged circle supplement line segment can
To adjust the saturation degree of the magnetic induction of first coil and the second coil, the utilization ratio in magnetic field is improved.
In Fig. 1, supplement line segment is circular arc line segment.
Embodiment shown in Fig. 2 and Fig. 1 difference lies in:It is outwardly extending from the electric straightway 1 of disengaging to supplement line segment
Helical segment, supplement line segment are located at No.1 coil 2 on same helix.
Fig. 3 and embodiment shown in FIG. 1 difference lies in:Magnetic conduction panel is equipped between middle No.1 coil 2 and No. two coils 3
6, be equipped in magnetic conduction panel 6 accommodate No.1 linkage section 4 and No. two linkage sections 5 by through-hole.
No.1 coil 2 and No. two coils 3 coordinate, and improve the intensity of magnetic induction, are conducive to wireless charging;The inlet-outlet line of coil
Straightway facilitates the assembling of installation and wireless charging device of the coil in wireless charging device in being generally aligned in the same plane;Supplement
Line segment can supplement the magnetic field field domain of first coil, and the magnetic field for making first coil is corresponding with the magnetic field of the second coil, improve magnetic strength
Intensity is conducive to improve the efficiency of wireless charging.
Magnetic conduction panel 6 enhances the magnetic field intensity between No.1 coil 2 and No. two coils 3, facilitates the progress of wireless charging.
Claims (6)
1. a kind of double-deck FPC loop constructions for wireless charging, it is characterized in that, No.1 coil, No. two coils including one
With two sections of disengaging electricity straightways parallel to each other, No. two coils direction of rotation from inside to outside and No.1 coil are on the contrary, No.1 line
Circle is parallel with No. two coils opposite, passes in and out electric straightway and No.1 coil is coplanar, wherein the end of one section of the electric straightway of disengaging
Be connected with the outermost end of No.1 coil, the end of another section of electric straightway of disengaging is connected with circle supplement line segment, supplement line segment with
No.1 coil is coplanar, and the other end for supplementing line segment is equipped with the No.1 linkage section vertical with plane where No.1 coil, No.1 coil
Inner terminal be equipped with No. two linkage sections parallel and equal length with No.1 linkage section, No. two linkage sections and No.1 linkage section are located at one
The outermost end of the homonymy of number coil, No.1 linkage section and No. two coils is connected, the inner terminal phase of No. two linkage sections and No. two coils
Even.
2. a kind of double-deck FPC loop constructions for wireless charging according to claim 1, it is characterized in that, described No. two
The number of turns of coil is that the number of turns of No.1 coil adds one.
3. a kind of double-deck FPC loop constructions for wireless charging according to claim 1, it is characterized in that, the supplement
Line segment is set in the outside of No.1 coil, and the outermost end of No.1 coil is located between the both ends of supplement line segment.
4. a kind of double-deck FPC loop constructions for wireless charging according to claim 1, it is characterized in that, the No.1
Magnetic conduction panel is equipped between coil and No. two coils, be equipped in magnetic conduction panel accommodate No.1 linkage section and No. two linkage sections by
Through-hole.
5. a kind of double-deck FPC loop constructions for wireless charging according to claims 1 or 2 or 3 or 4, it is characterized in that,
The supplement line segment is from the outwardly extending helical segment of the electric straightway of disengaging.
6. a kind of double-deck FPC loop constructions for wireless charging according to claims 1 or 2 or 3 or 4, it is characterized in that,
The supplement line segment is circular arc line segment.
Priority Applications (1)
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CN201721714754.9U CN207542053U (en) | 2017-12-11 | 2017-12-11 | A kind of double-deck FPC loop constructions for wireless charging |
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CN201721714754.9U CN207542053U (en) | 2017-12-11 | 2017-12-11 | A kind of double-deck FPC loop constructions for wireless charging |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109256257A (en) * | 2018-09-14 | 2019-01-22 | 国电南瑞科技股份有限公司 | A kind of orientation magnetic conductive board and transformer used in conjunction with |
CN110164664A (en) * | 2019-05-31 | 2019-08-23 | 中南大学 | A kind of inductive type network transformer based on flexible circuit board |
CN110211780A (en) * | 2019-05-31 | 2019-09-06 | 中南大学 | A kind of capacitive network transformer and its measurement method based on flexible circuit board |
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2017
- 2017-12-11 CN CN201721714754.9U patent/CN207542053U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109256257A (en) * | 2018-09-14 | 2019-01-22 | 国电南瑞科技股份有限公司 | A kind of orientation magnetic conductive board and transformer used in conjunction with |
CN110164664A (en) * | 2019-05-31 | 2019-08-23 | 中南大学 | A kind of inductive type network transformer based on flexible circuit board |
CN110211780A (en) * | 2019-05-31 | 2019-09-06 | 中南大学 | A kind of capacitive network transformer and its measurement method based on flexible circuit board |
CN110211780B (en) * | 2019-05-31 | 2021-07-09 | 中南大学 | Capacitive network transformer based on flexible circuit board and measuring method thereof |
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