CN109616303A - Wireless charging FPC loop construction - Google Patents
Wireless charging FPC loop construction Download PDFInfo
- Publication number
- CN109616303A CN109616303A CN201811498148.7A CN201811498148A CN109616303A CN 109616303 A CN109616303 A CN 109616303A CN 201811498148 A CN201811498148 A CN 201811498148A CN 109616303 A CN109616303 A CN 109616303A
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- China
- Prior art keywords
- coil
- group
- connecting line
- line segment
- coil group
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/04—Arrangements of electric connections to coils, e.g. leads
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
A kind of wireless charging FPC loop construction, including coil group, lower coil group, connecting line stage group, upper layer disengaging line segment, lower layer's disengaging line segment；Each coil of coil group is respectively positioned in upper layer, is rotated around same center convolution, and the outer end of each coil of coil group is connected with upper layer disengaging line segment；Each coil of lower coil group is respectively positioned in lower layer, is rotated around same center convolution, and the outer end of each coil of lower coil group passes in and out line segment with lower layer and is connected；The inner end of the inner end of each coil of coil group coil corresponding with lower coil group's passes through corresponding connecting line segment in connecting line stage group respectively and is connected to.Advantage is: the outer end of the spiral winding in upper and lower coil group and upper layer disengaging line segment or lower layer's disengaging line segment are connected together, corresponding inner end is linked together by connecting line segment corresponding in connecting line stage group, electric current is assigned in each spiral winding and flows through in use, electric current is uniform, can effectively prevent the appearance of energy loss problem caused by hot-spot.
Description
Technical field
The present invention relates to wireless charging technical field more particularly to a kind of wireless charging FPC coils.
Background technique
Wireless charger uses electromagnetic induction principle, carries out the transmitting that energy coupling realizes energy by coil, does not have to pass
The characteristics of charging power cord connection of system.Thus increasingly favored by producers such as mobile phone, tablet computer, smartwatch.Its energy
The coiler part for measuring transmission can generate a large amount of losses due to there is the loss of resistance, reduce efficiency of transmission, increase calorific value.Cause
It is a critically important technical problem of wireless charging that how this, which improves coil performance,.
Application number 201721714754.9,207542053 U of Authorization Notice No. CN, entitled " one kind is used for wireless charging
The utility model patent of the double-deck FPC loop construction of electricity " discloses a kind of double-deck FPC loop construction for wireless charging: " packet
Include integrated No.1 coil, No. two coils and two sections of disengaging electricity straightways parallel to each other, the rotation of No. two coils from inside to outside
Direction and No.1 coil are on the contrary, wherein the end of one section of the electric straightway of disengaging is connected with the outermost end of No.1 coil, Ling Yiduan
The end for passing in and out electric straightway is connected with circle supplement line segment, and the other end for supplementing line segment is equipped with No.1 linkage section, No.1 coil
Inner terminal be equipped with No. two linkage sections, the outermost end of No.1 linkage section and No. two coils is connected, No. two linkage sections and No. two coils
Inner terminal be connected.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 assembly of installation and wireless charging device of the coil in wireless charging device；The magnetic field of first coil with
The magnetic field of second coil is corresponding, improves magnetic induction, is conducive to the efficiency for improving wireless charging." but the utility model there is also
The problem of coil current is not even equal enough, and part is easy overheat and causes energy loss.
Summary of the invention
Main inventive purpose of the invention is to provide one kind that a kind of even evenness of coil current is high, coil is not easy overheat
Wireless charging FPC loop construction.
Technical solution used in the present invention is: a kind of wireless charging FPC loop construction, including coil group, lower coil group,
Connecting line stage group, upper layer disengaging line segment, lower layer pass in and out line segment；Each coil of coil group is respectively positioned in upper layer, around same
Center convolution rotation, the outer end of each coil of coil group are connected with upper layer disengaging line segment；The equal position of each coil of lower coil group
It in lower layer, is rotated around same center convolution, the outer end of each coil of lower coil group passes in and out line segment with lower layer and is connected；On
The inner end of each coil of coil group passes through connect accordingly in connecting line stage group respectively with the inner end of the corresponding coil of lower coil group
The connection of wiring section.
It include at least three sections or more of spiral winding, these helixes in the present invention, in coil group, lower coil group
The outer end of circle and upper layer disengaging line segment or lower layer's disengaging line segment are connected together, and corresponding inner end passes through corresponding in connecting line stage group
Connecting line segment link together, electric current is assigned in each spiral winding and flows through in use, and electric current is uniform, can effectively prevent part
The appearance of energy loss problem caused by overheating.In addition, in the prior art every layer all only have one section of coil, once coil breaks
Situation is split, it will loss of function.And every layer of the application is at least containing three sections or more of spiral winding, even if one section of coil in every layer
Fracture or two layers in respectively have one section of coil breakage that will not lose basic function, substantially increase reliability.
Preferably, the cross section of each coil in coil group is rectangle, each coil in lower coil group it is transversal
Face is also rectangle, and it is rectangle that upper layer, which passes in and out line segment and the cross section of lower layer's disengaging line segment,.Further preferably, the rectangle
Cross section congruence.This preferred embodiment, processing and manufacturing are easy.
Preferably, the upper end of the connecting line segment in connecting line stage group is connected with the inner end of the corresponding coil in coil group
In the lower surface of the inner end of the corresponding coil in coil group, the lower end of the connecting line segment in connecting line stage group and lower coil group's
The inner end of corresponding coil is connected in the upper surface of the inner end of corresponding coil.This preferred embodiment, structurally reasonable, processing and manufacturing is easy.
Preferably, the inner end of the corresponding coil in coil group is equipped with and the upper end of the connecting line segment in connecting line stage group
The through-hole of adaptation, the upper end of the connecting line segment in connecting line stage group are located at the through-hole of the inner end of the corresponding coil in coil group
It is interior；The inner end of the corresponding coil of lower coil group is equipped with and the through-hole of the lower end adaptation of the connecting line segment in connecting line stage group, connection
The lower end of connecting line segment in line segment group is located in the through-hole of the inner end of the corresponding coil of lower coil group.This preferred embodiment, structure
Rationally, processing and manufacturing is easy, long service life, high reliablity.
Preferably, each connecting line segment in connecting line stage group is a Duan Yuanzhu.This preferred embodiment, processing and manufacturing are held
Easily.
Preferably, each connecting line segment in connecting line stage group is a Duan Yuanguan.This preferred embodiment, service performance are high.
In conclusion the beneficial effects of the present invention are: including at least three sections or more in coil group, lower coil group
Spiral winding, the outer end of these spiral windings and upper layer disengaging line segment or lower layer's disengaging line segment are connected together, corresponding inner end
It is linked together by connecting line segment corresponding in connecting line stage group, electric current is assigned in each spiral winding and flows through in use, electricity
Stream uniformly, can effectively prevent the appearance of energy loss problem caused by hot-spot.In addition, in the prior art every layer all only have one
Section coil, once there are crack conditions in coil, it will loss of function.And every layer of the application is at least containing three sections or more of helix
It encloses, basic function will not be lost having one section of coil breakage in one section of coil breakage or two layers in every layer, mentioned significantly
High reliability.Reasonable integral structure of the present invention, processing and manufacturing are easy, and use reliability is high.
Detailed description of the invention
Fig. 1: the structural upright schematic diagram of the embodiment of the present invention one；
Fig. 2: the connecting line segment line schematic diagram in the embodiment of the present invention one；
In figure: upper first coil 1, upper second coil 2, upper tertiary coil 3, upper 4th coil 4, lower first coil 5, lower second line
Circle 6, lower tertiary coil 7, lower 4th coil 8, upper layer disengaging line segment 10, lower layer pass in and out line segment 80, the first connecting line segment 17, second
Connecting line segment 28, third connecting line segment 35, the 4th connecting line segment 46.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment one:
As shown in Figure 1 and Figure 2, the present invention include coil group, lower coil group, connecting line stage group, upper layer disengaging line segment, lower layer into
Line segment out.It include upper first coil 1, upper second coil 2, upper tertiary coil 3, upper 4th coil 4, above each line in coil group
Circle is respectively positioned in upper layer, is rotated around same center convolution, and the outer end of each coil of coil group is and upper layer passes in and out line segment
10 are connected；It include lower first coil 5, lower second coil 6, lower tertiary coil 7, lower 4th coil 8, above each line in lower coil group
Circle is respectively positioned in lower layer, is rotated around same center convolution, and the outer end of each coil of lower coil group is and lower layer passes in and out line segment
80 are connected.Upper first coil 1, upper second coil 2, upper tertiary coil 3, upper 4th coil 4, lower first coil 5, lower second coil
6, lower tertiary coil 7, lower 4th coil 8, upper layer disengaging line segment 10, lower layer's disengaging line segment 80 cross section be rectangle, and on
First coil 1, upper second coil 2, upper tertiary coil 3, upper 4th coil 4, lower first coil 5, lower second coil 6, lower third
The cross section congruence of coil 7, lower 4th coil 8.In connecting line stage group include the first connecting line segment 17, the second connecting line segment 28,
Third connecting line segment 35, the 4th connecting line segment 46, each connecting line segment in connecting line stage group is one section of straight cylinder, these circles
The diameter of column is equal and is less than the width of upper first coil 1.The inner end of the upper end and upper first coil 1 of first connecting line segment 17
Lower surface is connected, and the lower end of the first connecting line segment 17 is connected with the upper surface of the inner end of lower tertiary coil 7；Second connecting line segment 28
Upper end be connected with the lower surface of the inner end of upper first coil 2, the inner end of the lower end of the second connecting line segment 28 and lower 4th coil 8
Upper surface be connected；The upper end of third connecting line segment 35 is connected with the lower surface of the inner end of upper tertiary coil 3, third connecting line segment
35 lower end is connected with the upper surface of the inner end of lower first coil 5；The upper end of 4th connecting line segment 46 and upper 4th coil 4 it is interior
The lower surface at end is connected, and the lower end of the 4th connecting line segment 46 is connected with the upper surface of the inner end of lower second coil 6.
Embodiment two:
Embodiment two is one section of straight round tube the difference from embodiment 1 is that each connecting line segment.
Embodiment three:
Embodiment three is that the inner end of the corresponding coil in coil group is equipped with and connecting line segment to the difference of embodiment one, two
The through-hole of the upper end adaptation of connecting line segment in group, the upper end of the connecting line segment in connecting line stage group is located at the phase in coil group
In the through-hole for answering the inner end of coil；The inner end of the corresponding coil of lower coil group be equipped with and connecting line stage group in connecting line segment under
The through-hole of adaptation is held, the lower end of the connecting line segment in connecting line stage group is located at the through-hole of the inner end of the corresponding coil of lower coil group
It is interior.
The specific embodiment of the above is only the preferable embodiment of the present invention, and tool of the invention is not limited with this
Body implements structure and practical range, some equivalent changes made by all shape, structures and purpose of design in accordance with the present invention
Change ought to be included within the scope of protection of the present invention namely these equivalence changes all should be by protection of the invention.
Claims (7)
1. a kind of wireless charging FPC loop construction, it is characterized in that: including coil group, lower coil group, connecting line stage group, upper layer
Pass in and out line segment, lower layer passes in and out line segment；Each coil of coil group is respectively positioned in upper layer, is rotated around same center convolution, on
The outer end of each coil of coil group is connected with upper layer disengaging line segment；Each coil of lower coil group is respectively positioned in lower layer, is surrounded
Same center convolution rotation, the outer end of each coil of lower coil group pass in and out line segment with lower layer and are connected；Each coil of coil group
The inner end of inner end coil corresponding with lower coil group's pass through corresponding connecting line segment in connecting line stage group respectively and be connected to.
2. wireless charging FPC loop construction according to claim 1, it is characterized in that: the cross of each coil in coil group
Section is rectangle, and the cross section of each coil in lower coil group is also rectangle, and upper layer passes in and out line segment and lower layer passes in and out line segment
Cross section be rectangle.
3. wireless charging FPC loop construction according to claim 1, it is characterized in that: the connecting line segment in connecting line stage group
Upper end and coil group in corresponding coil inner end be connected in the corresponding coil in coil group inner end lower surface, even
The inner end of the corresponding coil of the lower end and lower coil group of connecting line segment in wiring stage group is connected in the upper of the inner end of corresponding coil
Surface.
4. wireless charging FPC loop construction according to claim 1, it is characterized in that: corresponding coil in coil group
Inner end is equipped with and the through-hole of the upper end adaptation of the connecting line segment in connecting line stage group, the upper end of the connecting line segment in connecting line stage group
It is located in the through-hole of the inner end of the corresponding coil in coil group.
5. wireless charging FPC loop construction according to claim 1, it is characterized in that: the corresponding coil of lower coil group is interior
End is equipped with and the through-hole of the lower end adaptation of the connecting line segment in connecting line stage group, and the lower end of the connecting line segment in connecting line stage group is set
In the through-hole of the inner end of the corresponding coil of lower coil group.
6. wireless charging FPC loop construction described according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: connecting line stage group
Interior each connecting line is a Duan Yuanzhu.
7. wireless charging FPC loop construction described according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that: connecting line stage group
Interior each connecting line is a Duan Yuanguan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498148.7A CN109616303A (en) | 2018-12-07 | 2018-12-07 | Wireless charging FPC loop construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811498148.7A CN109616303A (en) | 2018-12-07 | 2018-12-07 | Wireless charging FPC loop construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109616303A true CN109616303A (en) | 2019-04-12 |
Family
ID=66006800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811498148.7A Pending CN109616303A (en) | 2018-12-07 | 2018-12-07 | Wireless charging FPC loop construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN109616303A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289156A (en) * | 2019-05-24 | 2019-09-27 | 华为技术有限公司 | Coil windings, coil mould group, emitter, reception device, system and terminal |
| CN112735770A (en) * | 2020-12-25 | 2021-04-30 | 上海安费诺永亿通讯电子有限公司 | Double-layer wireless charging coil and charging equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998043258A2 (en) * | 1997-03-20 | 1998-10-01 | Micro Analog Systems Oy | Stripe-line inductor |
| CN102097198A (en) * | 2010-11-29 | 2011-06-15 | 番禺得意精密电子工业有限公司 | Combined inductor |
| CN102376415A (en) * | 2010-08-19 | 2012-03-14 | Nxp股份有限公司 | Symmetrical inductor |
| US20150364248A1 (en) * | 2014-06-13 | 2015-12-17 | International Business Machines Corporation | High-q multipath parallel stacked inductor |
| CN107256757A (en) * | 2017-06-21 | 2017-10-17 | 苏州华启智能科技有限公司 | Magnetic core is embedded in the PCB high temperature resistant common mode inductance with screen layer |
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2018
- 2018-12-07 CN CN201811498148.7A patent/CN109616303A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998043258A2 (en) * | 1997-03-20 | 1998-10-01 | Micro Analog Systems Oy | Stripe-line inductor |
| CN102376415A (en) * | 2010-08-19 | 2012-03-14 | Nxp股份有限公司 | Symmetrical inductor |
| CN102097198A (en) * | 2010-11-29 | 2011-06-15 | 番禺得意精密电子工业有限公司 | Combined inductor |
| US20150364248A1 (en) * | 2014-06-13 | 2015-12-17 | International Business Machines Corporation | High-q multipath parallel stacked inductor |
| CN107256757A (en) * | 2017-06-21 | 2017-10-17 | 苏州华启智能科技有限公司 | Magnetic core is embedded in the PCB high temperature resistant common mode inductance with screen layer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289156A (en) * | 2019-05-24 | 2019-09-27 | 华为技术有限公司 | Coil windings, coil mould group, emitter, reception device, system and terminal |
| CN110289156B (en) * | 2019-05-24 | 2020-11-10 | 华为技术有限公司 | Coil winding, coil module, transmitting device, receiving device, system and terminal |
| US11887773B2 (en) | 2019-05-24 | 2024-01-30 | Huawei Technologies Co., Ltd. | Coil winding, coil module, transmitting apparatus, receiving apparatus, system, and terminal |
| CN112735770A (en) * | 2020-12-25 | 2021-04-30 | 上海安费诺永亿通讯电子有限公司 | Double-layer wireless charging coil and charging equipment |
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Application publication date: 20190412 |
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