CN209472442U - Coil device with wireless charging function - Google Patents
Coil device with wireless charging function Download PDFInfo
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- CN209472442U CN209472442U CN201920289413.4U CN201920289413U CN209472442U CN 209472442 U CN209472442 U CN 209472442U CN 201920289413 U CN201920289413 U CN 201920289413U CN 209472442 U CN209472442 U CN 209472442U
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- coil
- layer fpc
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- fpc coil
- wireless charging
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Abstract
The utility model 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 the first layer FPC coil of the utility model, second layer FPC coil, the first excessively electric hole and the second excessively electric hole after plating can be realized and be 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 utility model relates to wireless charging technical fields, and in particular, to a kind of coil with wireless charging function
Device.
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.
Utility model content
In view of the drawbacks of the prior art, the purpose of the utility model is to provide a kind of, and the coil with wireless charging function fills
It sets, the coil device space utilization rate with wireless charging function of the utility model is high, performance is met the requirements.
The utility model relates to a kind of coil devices with wireless charging function, including magnetic material, first layer FPC line
Circle, 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 utility model have it is following the utility model has the advantages that
(1) coil device with wireless charging function of the utility model, it is excessively electric that first layer FPC coil is equipped with first
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, after plating
The first excessively electric hole and the second excessively electric hole for realizing being connected in parallel between first layer FPC coil and second layer FPC coil, subtract
The resistance of small way 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 utility model, bridge-type wire jumper are arranged in first layer FPC coil
With the same opening of second layer FPC coil, feed end is arranged in the end of bridge-type wire jumper and far from first layer FPC coil and the
Two layers of FPC coil, bridge-type wire jumper and feed end can complete current loop, and it is good that wireless charging electric wire coil apparatus converts electric energy efficiency
Good, user experience is good；
(3) coil device with wireless charging function of the utility model, first layer FPC coil and second layer FPC line
Circle is that bifilar winding coiling is formed, and facilitates the whole assembly of Wireless charging coil；
(4) coil device with wireless charging function of the utility model, compact, reliable operation can be placed in
On small device, 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 spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the structural schematic diagram for the coil device that the utility model has wireless charging function；
Fig. 2 is the structural schematic diagram of the utility model first layer FPC coil；
Fig. 3 is the structural schematic diagram of the utility model second layer FPC coil；
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 utility model is described in detail combined with specific embodiments below.Following embodiment will be helpful to this field
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, various modifications and improvements can be made.
These are all within the protection scope of the present invention.
Embodiment
In the present embodiment, a kind of coil device with wireless charging function of the utility model, including magnetic material 1,
One layer of 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 utility model is described in detail.
The purpose of the utility model is to provide a kind of coil device with wireless charging function, the utility model has
The coil device space utilization rate of wireless charging function is high, performance is met the requirements.
A kind of coil device with wireless charging function of the utility model, including magnetic material 1, first layer FPC line
Circle 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 utility model, first layer FPC coil is equipped with the
One excessively 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,
The first excessively electric hole and the second excessively electric hole after plating is for realizing the parallel connection between first layer FPC coil and second layer FPC coil
Connection reduces the resistance of way circuit, improves charge efficiency, and space utilization rate is high, and performance is met the requirements；The setting of bridge-type wire jumper is the
The same opening of one layer of FPC coil and second layer FPC coil, feed end are arranged in the end of bridge-type wire jumper and far from first layers
FPC coil and second layer FPC coil, bridge-type wire jumper and feed end can complete current loop, the conversion of wireless charging electric wire coil apparatus
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
The whole assembly of Wireless charging coil；Compact, reliable operation can be placed on small device, and equipment does not need traditional
Wired energization, convenient and efficient, appearance is perfect.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is 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 has no effect on the substantive content of the utility model.In the absence of conflict, the spy in embodiments herein and embodiment
Sign can be arbitrarily combined with each other.
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 |
|---|---|---|---|
| CN201920289413.4U CN209472442U (en) | 2019-03-07 | 2019-03-07 | Coil device with wireless charging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920289413.4U CN209472442U (en) | 2019-03-07 | 2019-03-07 | Coil device with wireless charging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209472442U true CN209472442U (en) | 2019-10-08 |
Family
ID=68094604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920289413.4U Active CN209472442U (en) | 2019-03-07 | 2019-03-07 | Coil device with wireless charging function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209472442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921522A (en) * | 2019-03-07 | 2019-06-21 | 上海德门电子科技有限公司 | Coil device with wireless charging function |
-
2019
- 2019-03-07 CN CN201920289413.4U patent/CN209472442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109921522A (en) * | 2019-03-07 | 2019-06-21 | 上海德门电子科技有限公司 | Coil device with wireless charging function |
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