CN109921522A - Coil device with wireless charging function - Google Patents
Coil device with wireless charging function Download PDFInfo
- Publication number
- CN109921522A CN109921522A CN201910172865.9A CN201910172865A CN109921522A CN 109921522 A CN109921522 A CN 109921522A CN 201910172865 A CN201910172865 A CN 201910172865A CN 109921522 A CN109921522 A CN 109921522A
- Authority
- CN
- China
- Prior art keywords
- coil
- layer fpc
- fpc coil
- layer
- wireless charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000696 magnetic material Substances 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000007747 plating Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 89
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of coil devices with wireless charging function of wireless charging technical field, including magnetic material, first layer FPC coil, insulating layer and second layer FPC coil, first layer FPC coil and second layer FPC coil are successively set on magnetic material, insulating layer is located between second layer FPC coil and first layer FPC coil, first layer FPC coil and second layer FPC coil are that bifilar winding coiling is formed, and are connected in parallel between first layer FPC coil and second layer FPC coil.The first excessively electric hole, the second excessively electric hole are respectively equipped on first layer FPC coil of the present invention, second layer FPC coil, the first excessively electric hole and the second excessively electric hole after plating is for realizing being connected in parallel between first layer FPC coil and second layer FPC coil, reduce the resistance of way circuit, improve charge efficiency, space utilization rate is high, and performance is met the requirements.
Description
Technical field
The present invention relates to wireless charging technical fields, and in particular, to a kind of coil device with wireless charging function.
Background technique
Common low power wireless charger carries out energy coupling by coil and realizes energy frequently with electromagnetic induction principle
The transmitting of amount, the characteristics of connection without traditional charging power cord, thus increasingly by mobile phone, tablet computer, smartwatch
Equal producers' favor.Coil in wireless charger all uses FPCB to realize, conducting wire is turned to coiled type, the surface light of conducting wire
It is sliding.Existing wireless charging FPC coil is etched using single layer, causes space utilization rate not high, is not achieved in terms of performance structure and is wanted
It asks；The coiler part of its energy transmission can generate a large amount of losses due to having the loss of resistance and skin effect principle, reduce
Efficiency of transmission increases calorific value, and how to improve coil performance is a critically important technical problem of wireless charging.
Therefore, it is necessary to design the coil with wireless charging function that a kind of space utilization rate is high, performance is met the requirements
Device.
Summary of the invention
In view of the drawbacks of the prior art, the object of the present invention is to provide a kind of coil device with wireless charging function,
Coil device space utilization rate with wireless charging function of the invention is high, performance is met the requirements.
The present invention relates to a kind of coil device with wireless charging function, including magnetic material, first layer FPC coil,
Insulating layer and second layer FPC coil,
The first layer FPC coil and the second layer FPC coil are successively set on the magnetic material, the insulation
Layer between the second layer FPC coil and the first layer FPC coil,
The first layer FPC coil and the second layer FPC coil are that bifilar winding coiling is formed, the first layer
It is connected in parallel between FPC coil and the second layer FPC coil.
Further, the first layer FPC coil is equipped with the first excessively electric hole, and the second layer FPC coil is equipped with the
Two excessively electric holes, the described first excessively electric hole and the described second excessively electric hole carry out electroplating processes, the excessively electric hole of described first after plating
And described second excessively electric hole for realizing being connected in parallel between the first layer FPC coil and the second layer FPC coil.
Further, the first layer FPC coil and the second layer FPC coil are circular coil, the first layer
FPC coil and the second layer FPC coil are arranged concentrically.
Further, described device further includes bridge-type wire jumper and feed end, and the bridge-type wire jumper is arranged in the first layer
The end of the bridge-type wire jumper and remote is arranged in the same opening of FPC coil and the second layer FPC coil, the feed end
From the first layer FPC coil and the second layer FPC coil.
Further, the magnetic material is made of nano-crystalline magnetic material.
Further, the circle number of the first layer FPC coil is 8-13 circle, and the circle number of the second layer FPC coil is 8-
13 circles.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) coil device with wireless charging function of the invention, first layer FPC coil are equipped with the first excessively electric hole,
Second layer FPC coil is equipped with the second excessively electric hole, and the first excessively electric hole and the second excessively electric hole carry out electroplating processes, and the after plating
One excessively electric hole and the second excessively electric hole reduce total for realizing being connected in parallel between first layer FPC coil and second layer FPC coil
The resistance of circuit improves charge efficiency, and space utilization rate is high, and performance is met the requirements；
(2) coil device with wireless charging function of the invention, the setting of bridge-type wire jumper is in first layer FPC coil and the
The same opening of two layers of FPC coil, feed end are arranged in the end of bridge-type wire jumper and far from first layer FPC coil and the second layers
FPC coil, bridge-type wire jumper and feed end can complete current loop, and wireless charging electric wire coil apparatus conversion electric energy efficiency is good, use
It experiences at family；
(3) coil device with wireless charging function of the invention, first layer FPC coil and second layer FPC coil are equal
It is formed for bifilar winding coiling, facilitates the whole assembly of Wireless charging coil；
(4) coil device with wireless charging function of the invention, compact, reliable operation can be placed in small-sized
In equipment, equipment does not need traditional wired energization, convenient and efficient, and appearance is perfect.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is the structural schematic diagram for the coil device that the present invention has wireless charging function；
Fig. 2 is the structural schematic diagram of first layer FPC coil of the present invention；
Fig. 3 is the structural schematic diagram of second layer FPC coil of the present invention；
Fig. 4 is the partial enlarged view that part is irised out in Fig. 2；
Fig. 5 is the partial enlarged view that part is irised out in Fig. 3.
Wherein, corresponding appended drawing reference in figure are as follows: 1- magnetic material, 2- first layer FPC coil, the excessively electric hole 21- first, 3-
Insulating layer, 4- second layer FPC coil, the excessively electric hole 41- second, 5- bridge-type wire jumper, 6- feed end.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment
In the present embodiment, a kind of coil device with wireless charging function of the present invention, including magnetic material 1, first layer
FPC coil 2, insulating layer 3 and second layer FPC coil 4,
The first layer FPC coil 2 and the second layer FPC coil 4 are successively set on the magnetic material 1, described
Insulating layer 3 between the second layer FPC coil 4 and the first layer FPC coil 2,
The first layer FPC coil 2 and the second layer FPC coil 4 are that bifilar winding coiling is formed, the first layer
It is connected in parallel between FPC coil 2 and the second layer FPC coil 4.
Next the present invention is described in detail.
The object of the present invention is to provide a kind of coil device with wireless charging function, of the invention has wireless charging
The coil device space utilization rate of function is high, performance is met the requirements.
A kind of coil device with wireless charging function of the invention, including magnetic material 1, first layer FPC coil 2,
Insulating layer 3 and second layer FPC coil 4,
The first layer FPC coil 2 and the second layer FPC coil 4 are successively set on the magnetic material 1, described
Insulating layer 3 between the second layer FPC coil 4 and the first layer FPC coil 2,
The first layer FPC coil 2 and the second layer FPC coil 4 are that bifilar winding coiling is formed, the first layer
It is connected in parallel between FPC coil 2 and the second layer FPC coil 4.
The first layer FPC coil 2 is equipped with the first excessively electric hole 21, and it is excessively electric that the second layer FPC coil 4 is equipped with second
Hole 41, the described first excessively electric hole 21 and the described second excessively electric hole 41 carry out electroplating processes, the excessively electric hole of described first after plating
21 and described second excessively electric hole 41 for realizing the parallel connection between the first layer FPC coil 2 and the second layer FPC coil 4
Connection.
The first layer FPC coil 2 and the second layer FPC coil 4 are circular coil, the first layer FPC coil 2
It is arranged concentrically with the second layer FPC coil 4.
Described device further includes bridge-type wire jumper 5 and feed end 6, and the bridge-type wire jumper 5 is arranged in the first layer FPC coil
2 and the second layer FPC coil 4 same opening, the end of the bridge-type wire jumper 5 and separate is arranged in the feed end 6
The first layer FPC coil 2 and the second layer FPC coil 4.
The magnetic material 1 is made of nano-crystalline magnetic material.
The circle number of the first layer FPC coil 2 is 8-13 circle, and the circle number of the second layer FPC coil 4 is 8-13 circle.
In conclusion the coil device with wireless charging function of the invention, first layer FPC coil is equipped with the first mistake
Electric hole, second layer FPC coil are equipped with the second excessively electric hole, and the first excessively electric hole and the second excessively electric hole carry out electroplating processes, be electroplated
The excessively electric hole of first afterwards and the second excessively electric hole for realizing being connected in parallel between first layer FPC coil and second layer FPC coil,
Reduce the resistance of way circuit, improve charge efficiency, space utilization rate is high, and performance is met the requirements；Bridge-type wire jumper is arranged in first layer
The same opening of FPC coil and second layer FPC coil, feed end are arranged in the end of bridge-type wire jumper and far from first layer FPC
Coil and second layer FPC coil, bridge-type wire jumper and feed end can complete current loop, and wireless charging electric wire coil apparatus converts electric energy
Efficiency is good, and user experience is good；First layer FPC coil and second layer FPC coil are that bifilar winding coiling is formed, convenient wireless
The whole assembly of charge coil；Compact, reliable operation can be placed on small device, and equipment does not need traditional wired
It is powered, convenient and efficient, appearance is perfect.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. a kind of coil device with wireless charging function, which is characterized in that including magnetic material (1), first layer FPC coil
(2), insulating layer (3) and second layer FPC coil (4),
The first layer FPC coil (2) and the second layer FPC coil (4) are successively set on the magnetic material (1), institute
Insulating layer (3) are stated between the second layer FPC coil (4) and the first layer FPC coil (2),
The first layer FPC coil (2) and the second layer FPC coil (4) are that bifilar winding coiling is formed, the first layer
It is connected in parallel between FPC coil (2) and the second layer FPC coil (4).
2. the coil device according to claim 1 with wireless charging function, which is characterized in that the first layer FPC
Coil (2) is equipped with the first excessively electric hole (21), and the second layer FPC coil (4) is equipped with the second excessively electric hole (41), and described first
It crosses electric hole (21) and the described second excessively electric hole (41) carries out electroplating processes, the electricity hole (21) excessively of described first after plating and described
Second excessively electric hole (41) connects for realizing the parallel connection between the first layer FPC coil (2) and the second layer FPC coil (4)
It connects.
3. the coil device according to claim 2 with wireless charging function, which is characterized in that the first layer FPC
Coil (2) and the second layer FPC coil (4) are circular coil, the first layer FPC coil (2) and the second layer FPC
Coil (4) is arranged concentrically.
4. the coil device according to claim 1 with wireless charging function, which is characterized in that described device further includes
Bridge-type wire jumper (5) and feed end (6), the bridge-type wire jumper (5) are arranged in the first layer FPC coil (2) and the second layer
The same opening of FPC coil (4), feed end (6) setting is in the end of the bridge-type wire jumper (5) and far from described first
Layer FPC coil (2) and the second layer FPC coil (4).
5. the coil device according to claim 2 with wireless charging function, which is characterized in that the magnetic material
(1) it is made of nano-crystalline magnetic material.
6. the coil device according to claim 4 with wireless charging function, which is characterized in that the first layer FPC
The circle number of coil (2) is 8-13 circle, and the circle number of the second layer FPC coil (4) is 8-13 circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172865.9A CN109921522A (en) | 2019-03-07 | 2019-03-07 | Coil device with wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172865.9A CN109921522A (en) | 2019-03-07 | 2019-03-07 | Coil device with wireless charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109921522A true CN109921522A (en) | 2019-06-21 |
Family
ID=66963796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910172865.9A Pending CN109921522A (en) | 2019-03-07 | 2019-03-07 | Coil device with wireless charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109921522A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021119937A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Wireless charging coil module and wireless charging device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123846A (en) * | 2011-11-18 | 2013-05-29 | 佳邦科技股份有限公司 | Common mode filter of multi-layer spiral structure and manufacturing method thereof |
| US20150364244A1 (en) * | 2015-02-11 | 2015-12-17 | Fu Da Tong Technology Co., Ltd. | Induction Coil Structure for Wireless Charging Device |
| CN105934804A (en) * | 2013-11-25 | 2016-09-07 | A.K.冲压有限公司 | Wireless charging coil |
| CN106208408A (en) * | 2016-09-13 | 2016-12-07 | 苏州纳格光电科技有限公司 | wireless charging receiving coil and preparation method thereof |
| CN107134354A (en) * | 2016-02-26 | 2017-09-05 | 苏州伊诺联客电子科技有限公司 | Wireless charging coil and preparation method thereof |
| CN108133808A (en) * | 2013-05-13 | 2018-06-08 | 日东电工株式会社 | Coil printed circuit board, by electric module, battery unit and by telecommunication module |
| CN108711674A (en) * | 2018-05-23 | 2018-10-26 | 深圳市海德门电子有限公司 | Double-panel antenna based on bridge-type wire jumper |
| CN109346313A (en) * | 2018-10-25 | 2019-02-15 | 华为技术有限公司 | A kind of Wireless charging coil mould group and its manufacturing method |
| CN209472442U (en) * | 2019-03-07 | 2019-10-08 | 上海德门电子科技有限公司 | Coil device with wireless charging function |
-
2019
- 2019-03-07 CN CN201910172865.9A patent/CN109921522A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103123846A (en) * | 2011-11-18 | 2013-05-29 | 佳邦科技股份有限公司 | Common mode filter of multi-layer spiral structure and manufacturing method thereof |
| CN108133808A (en) * | 2013-05-13 | 2018-06-08 | 日东电工株式会社 | Coil printed circuit board, by electric module, battery unit and by telecommunication module |
| CN105934804A (en) * | 2013-11-25 | 2016-09-07 | A.K.冲压有限公司 | Wireless charging coil |
| US20150364244A1 (en) * | 2015-02-11 | 2015-12-17 | Fu Da Tong Technology Co., Ltd. | Induction Coil Structure for Wireless Charging Device |
| CN107134354A (en) * | 2016-02-26 | 2017-09-05 | 苏州伊诺联客电子科技有限公司 | Wireless charging coil and preparation method thereof |
| CN106208408A (en) * | 2016-09-13 | 2016-12-07 | 苏州纳格光电科技有限公司 | wireless charging receiving coil and preparation method thereof |
| CN108711674A (en) * | 2018-05-23 | 2018-10-26 | 深圳市海德门电子有限公司 | Double-panel antenna based on bridge-type wire jumper |
| CN109346313A (en) * | 2018-10-25 | 2019-02-15 | 华为技术有限公司 | A kind of Wireless charging coil mould group and its manufacturing method |
| CN209472442U (en) * | 2019-03-07 | 2019-10-08 | 上海德门电子科技有限公司 | Coil device with wireless charging function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021119937A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Wireless charging coil module and wireless charging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106898474B (en) | Coil block | |
| CN104184217A (en) | Induction coil for wireless electric energy transmission, manufacture method, and wireless charging system | |
| CN102957214B (en) | The Wireless charging coil structure of electronic installation | |
| WO2021082907A1 (en) | Wireless charging system, charging cable, electronic device, and wireless charging method therefor | |
| CN206237207U (en) | The wireless power transmission and charging device of vertical-type power transmission mode | |
| CN113054753A (en) | Wireless charging equipment and equipment to be charged | |
| CN204794288U (en) | Wireless charging device of flexible roll -up | |
| CN209472442U (en) | Coil device with wireless charging function | |
| CN108735439A (en) | film coil and electronic device | |
| CN109921522A (en) | Coil device with wireless charging function | |
| CN205645459U (en) | Transformer is used to small -size charging | |
| CN207542053U (en) | A kind of double-deck FPC loop constructions for wireless charging | |
| CN209434964U (en) | A kind of wireless charging emitter with Snap ring structure | |
| CN109387690B (en) | Portable high-voltage wireless current detection device based on arc laminated iron core | |
| JP4835801B1 (en) | Non-contact charging module and non-contact charging device | |
| CN214314739U (en) | Charging module structure and terminal equipment | |
| WO2023279639A1 (en) | Coil, wireless charging transmitting device, wireless charging receiving device, and mobile terminal | |
| CN208722725U (en) | A kind of radio charge coil component | |
| US9543771B2 (en) | Telescopic transmission cable device and mobile terminal | |
| CN207474253U (en) | A kind of multi-layer FPC loop construction for wireless charging | |
| CN208208466U (en) | film coil and electronic device | |
| US11417461B2 (en) | Techniques and apparatuses to reduce inductive charging power loss | |
| KR20130014342A (en) | The high efficiency wireless charger | |
| CN109148110A (en) | A kind of reduction AC resistance FPC structure | |
| CN206894359U (en) | A kind of wireless charger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |