CN208240876U - NFC and wireless charging two-in-one antenna device and module - Google Patents
NFC and wireless charging two-in-one antenna device and module Download PDFInfo
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- CN208240876U CN208240876U CN201820774676.XU CN201820774676U CN208240876U CN 208240876 U CN208240876 U CN 208240876U CN 201820774676 U CN201820774676 U CN 201820774676U CN 208240876 U CN208240876 U CN 208240876U
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- nfc
- wireless charging
- feed point
- antenna device
- aerial coil
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Abstract
The utility model provides the Anneta module of a kind of NFC and wireless charging two-in-one antenna device, support NFC and wireless charging multiplexing.The NFC and wireless charging two-in-one antenna device includes aerial coil；The both ends of aerial coil each extend over out wireless charging feed point, NFC and wireless charging and share feed point；Extend NFC feed point in the middle part of aerial coil；It is NFC coil part that aerial coil, which is located at the part that the NFC feed point, NFC and wireless charging share between feed point,；It is Wireless charging coil portion that aerial coil, which is located at the part that the wireless charging feed point, NFC and wireless charging share between feed point,.The utility model has the advantages that, without additional NFC antenna, cost reduces；Antenna dimensional footprint becomes smaller, and space utilization rate is got higher.
Description
Technical field
The utility model relates to NFC (Near Field Communication) and wireless charging operation design field, tools
Body it is related to the Anneta module of a kind of NFC and wireless charging two-in-one antenna device, support NFC and wireless charging multiplexing.
Background technique
Currently, mobile terminal is employed more and more extensive, the function of terminal is very powerful, is full of amusement abundant
Property, song can be listened, can see TV, can surf the Internet etc..During using mobile terminal, due to the limitation of battery capacity
Property, it has been found that the electricity of battery has used soon, it is often necessary to charge to battery.Using electromagnetic induction as the wireless charging of representative
The appearance of power technology is brought conveniently to consumer.It can be convenient and charge the phone by wireless charging device, consumer is allowed to put
The constraint of line is taken off.
Near-field communication NFC is also known as wireless near field communication, is a kind of short-range wireless communication technique, allows electronic equipment
Between carry out contactless Point-to-Point Data Transmission (in ten centimetres) exchange data.This technology is by contact-free formula RF identification
(RFID) it is evolved, and backward compatible RFID, is promoted mainly earliest by Philips, Nokia and Sony, be mainly used for the hands such as mobile phone
In holding equipment.Since near-field communication has natural safety, NFC technique is considered having in fields such as mobile-phone payments
Very big application prospect.The frequency that NFC is used in mobile-phone payment field at present is higher and higher.
The effect of wireless charging is instead preceding traditional wired charging mode, realizes more convenient and fast move mode charging,
Wireless charging can be implemented as mobile phone set compact wireless charging function, and pave simultaneously for the charging of multiple portable equipments
Road.When to multiple equipment charging, equipment does not have any restrictions relative to the position of charger, therefore with wireless charging function
Wireless terminal also more and more enters among market.
Current technology, while when use wireless charging and NFC, mobile phone terminal will use two independent coil antennas,
One uses to wireless charging, another is used to NFC.The area of two coils may require that very large space, get in mobile phone
Come under exquisiter trend, space is the resource being of great value for mobile phone terminal, and when two coils are placed together, phase
There are also interfering between mutually, mutual performance is influenced.
Summary of the invention
For the defects in the prior art, the purpose of the utility model is to provide a kind of NFC and the two-in-one day of wireless charging
Line apparatus, the Anneta module for supporting NFC and wireless charging multiplexing.
According to a kind of NFC provided by the utility model and wireless charging two-in-one antenna device, including aerial coil；Antenna
The both ends of coil each extend over out wireless charging feed point, NFC and wireless charging and share feed point；Extend in the middle part of aerial coil
NFC feed point；It is NFC coil part that aerial coil, which is located at the part that the NFC feed point, NFC and wireless charging share between feed point,；
It is Wireless charging coil that aerial coil, which is located at the part that the wireless charging feed point, NFC and wireless charging share between feed point,
Portion.
Preferably, the NFC and wireless charging two-in-one antenna device include substrate；The aerial coil is set to
The surface of substrate.
According to a kind of Anneta module for supporting NFC and wireless charging to be multiplexed provided by the utility model include circuit board, on
The NFC and wireless charging two-in-one antenna device stated；The control module of the NFC and wireless charging two-in-one antenna device, NFC
Chip, wireless charging chip are set on circuit board.
Preferably, the support NFC and the Anneta module of wireless charging multiplexing include shell, first, second；Institute
First stated includes magnetic material layer or non-crystalline material layer；Described second includes circuit board or battery；NFC and wireless charging
Electric two-in-one antenna device, first, second inside for being set in turn in shell；Magnetic material layer fits in the branch of circuit board
On frame；Or magnetic material layer fits on battery；First passes through two-sided glue connection second；Circuit board is connected on shell.
Preferably, first side fits in NFC and wireless charging two-in-one antenna device；Described first
The other side in portion fits on shell or first other side fits on second.
Compared with prior art, the utility model has the following advantages:
1, structurally reasonable；
2, NFC antenna and wireless charging operation is two-in-one, aerial coil is effectively utilized, the whole of aerial coil is reduced
Bulk area and integral thickness；
3, by setting non-crystalline material or magnetic material, reduce influence of the metal material to antenna magnetic field, effectively increase
The effective distance of communication and the charging of antenna.
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 frame diagram of the application method of NFC and wireless charging two-in-one system；
Fig. 2 is that the signal of the application method of NFC and wireless charging two-in-one system receives process flow diagram；
Fig. 3 is the structural schematic diagram of NFC and wireless charging two-in-one antenna device；
Fig. 4 is the structure chart for supporting the communications portion of Anneta module of NFC and wireless charging multiplexing.
It is shown in figure:
NFC and 908 NFC of wireless charging two-in-one antenna device and wireless charging share feed point 4
1 substrate 5 of aerial coil
12 shell 901 of NFC coil part
13 first 902, Wireless charging coil portion
NFC feed point 2 second 903
Wireless charging feed point 3
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.
As shown in figure 3, according to a kind of NFC provided by the utility model and wireless charging two-in-one antenna device 908, including
Aerial coil 1；The both ends of aerial coil 1 each extend over out wireless charging feed point 3, NFC and wireless charging and share feed point 4；Antenna
Extend NFC feed point 2 in the middle part of coil 1；Aerial coil 1 is located at the NFC feed point 2, NFC and wireless charging and shares feed point 4
Between part be NFC coil part 12；Aerial coil 1 is located at the wireless charging feed point 3, NFC and wireless charging and shares feedback
Part between point 4 is Wireless charging coil portion 13.
Herein, since the inductance value of the requirement of Wireless charging coil portion 13 is usually more than 10 μ H, and NFC coil part 12
Inductance value only 1 μ H to 2 μ H or so, thus the length of NFC coil part 12 can only be Wireless charging coil portion 13 a quarter it is left
The right side, so, extend NFC feed point 2 from the middle part of aerial coil 1；NFC feed point 2, NFC and the wireless charging shares feed point 4
Between aerial coil 1 be NFC coil part 12.Wherein, the length of NFC near field communication coiler part and circle number are by required inductance value
It determines, the position that NFC feed point 2, NFC and wireless charging share feed point 4 can be determined according to practical structures situation.
Specifically, the NFC and wireless charging two-in-one antenna device 908 include substrate 5；The aerial coil 1
It is set to the surface of substrate 5.
Herein, the NFC and wireless charging two-in-one antenna device 908 include control module, it is NFC chip, wireless
Charging chip；The control module controls antenna according to 1 received signal of aerial coil, by control NFC chip
Coil 1 works in NFC mode；Alternatively, the control module control wireless charging chip control aerial coil 1 works wireless
Charge mode.
According to a kind of Anneta module for supporting NFC and wireless charging to be multiplexed provided by the utility model include circuit board, on
The NFC and wireless charging two-in-one antenna device 908 stated；The control mould of the NFC and wireless charging two-in-one antenna device 908
Block, NFC chip, wireless charging chip are set on circuit board.
Herein, the control module includes signal judgment module；
Signal judgment module judges the electric signal converted by the received wireless signal of aerial coil 1, judges
NFC mode is corresponded to for the electric signal, or is judged as that the electric signal corresponds to wireless charging mode.
Herein, as depicted in figs. 1 and 2, signal is received by Wireless charging coil portion 13 or NFC coil part 12, then
Signal judgment module judges the electric signal after conversion, then controls NFC chip or wireless charging chip by control module
Electric signal is issued, makes the work of aerial coil 1 in NFC mode or wireless charging mode.The signal judgment module, control module
It can be integrated into cpu chip.The cpu chip, NFC chip, wireless charging chip are all to be bonded on circuit boards.At this
In, control module can be selected from CPU, MCU, single-chip microcontroller etc..
Specifically, the support NFC and the Anneta module of wireless charging multiplexing include shell 901, first 902, the
Two 903；Described first 902 includes magnetic material layer or non-crystalline material layer；Described second 903 include circuit board or
Battery；NFC and 908, first 902, second 903, wireless charging two-in-one antenna device are set in turn in the interior of shell 901
Portion；Magnetic material layer fits on the bracket of circuit board；Or magnetic material layer fits on battery；First 902 by two-sided
Glue connection second 903；Circuit board is connected on shell 901.First 902 side fits in NFC and wireless charging
Electric two-in-one antenna device 908；First 902 other side fits on shell 901 or described first 902
The other side fit on second 903.
Herein, as shown in figure 4, non-crystalline material layer or magnetic material layer, which generally pass through gum, is fitted in NFC and wireless charging
Electric two-in-one antenna device 908 close to the side containing metal material, as in equipment circuit layer, partially containing the electricity of metal material
Pond etc., usual cell phone apparatus circuit layer can be set to same plane with battery, so NFC and wireless charging two-in-one antenna device
908 may be fitted on battery or on circuit layer.The effect of non-crystalline material layer or magnetic material layer is for reducing metal material
The influence of material or battery to antenna magnetic field, effectively increases the communication of NFC and wireless charging two-in-one antenna device 908 and fills
The effective distance of electricity reduces interference.Herein, non-crystalline material refers to amorphous/nano crystal material, be typically used for wireless charging every
The non-crystalline material that exhausted metal influences is suitable for the utility model.Magnetic material includes the ferrite of hard magnetic or containing magnetic powder
Flexible material.The NFC and wireless charging two-in-one antenna device 908 and magnetic material layer finished product to fit together, can pass through
Double-sided adhesive fits on shell 901, circuit board or the battery of equipment, if circuit board has bracket, can fit to circuit board
It on bracket, is attached on battery and does not need bracket then, circuit board is secured by threads to apparatus casing 901, and concrete condition will be according to setting
Subject to standby structure design.
More specific detail is carried out to the utility model below.
One kind provided by the utility model above-mentioned NFC and wireless charging two-in-one antenna is received by antenna first
Signal judges the signal received, then controls NFC chip or wireless charging chip sending letter by CPU control module
Number, make the work of aerial coil 1 in NFC mode or wireless charging mode.
A kind of Anneta module for supporting NFC and wireless charging to be multiplexed provided by the utility model, including NFC and wireless charging
Two-in-one antenna device 908 and non-crystalline material or magnetic material.Non-crystalline material or magnetic material are generally placed upon NFC and wireless
Two-in-one antenna device 908 charge close to the side containing metal material, herein, the metal material refers to the electricity in equipment
Road plate, the battery of heat dissipation film or part containing metal material etc..The effect of non-crystalline material or magnetic material is for reducing metal
Influence of the material to antenna magnetic field effectively increases the effective distance of communication and the charging of antenna, reduces interference.Magnetic material can
Using the ferrite of hard magnetic or containing the flexible material of magnetic powder.
The application method of a kind of NFC and wireless charging two-in-one system provided by the utility model, comprising the following steps: letter
Number receiving step: aerial coil 1 receives wireless signal；Conversion signal step: electric signal is converted by received wireless signal；Sentence
Break signal step: the electric signal is judged, judging result is obtained；Rate-determining steps: according to the judging result, control
The operating mode of NFC and wireless charging two-in-one antenna device 908.Specifically, the NFC and wireless charging two-in-one antenna
The operating mode of device 908 includes NFC mode, wireless charging mode.In the rate-determining steps, according to the judging result,
Control the operating mode of above-mentioned NFC and wireless charging two-in-one antenna device 908.
In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
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 various deformations or amendments 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 (5)
1. a kind of NFC and wireless charging two-in-one antenna device (908), which is characterized in that including aerial coil (1)；
The both ends of aerial coil (1) each extend over out wireless charging feed point (3), NFC and wireless charging and share feed point (4)；
Extend NFC feed point (2) in the middle part of aerial coil (1)；
It is NFC line that aerial coil (1), which is located at the part that the NFC feed point (2), NFC and wireless charging share between feed point (4),
Circle portion (12)；
Aerial coil (1) is located at the part that the wireless charging feed point (3), NFC and wireless charging share between feed point (4)
Wireless charging coil portion (13).
2. NFC according to claim 1 and wireless charging two-in-one antenna device (908), which is characterized in that including substrate
(5)；
The aerial coil (1) is set to the surface of substrate (5).
3. a kind of Anneta module for supporting NFC and wireless charging to be multiplexed, which is characterized in that including circuit board, claims 1 or 2
The NFC and wireless charging two-in-one antenna device (908)；
Control module, NFC chip, the wireless charging chip of the NFC and wireless charging two-in-one antenna device (908) are set to
On circuit board.
4. the Anneta module according to claim 3 for supporting NFC and wireless charging multiplexing, which is characterized in that including shell
(901), first (902), second (903)；
First (902) include magnetic material layer or non-crystalline material layer；
Second (903) include circuit board or battery；
NFC and wireless charging two-in-one antenna device (908), first (902), second (903) be set in turn in shell
(901) inside；
Magnetic material layer fits on the bracket of circuit board；Or magnetic material layer fits on battery；
Pass through two-sided glue connection second (903) for first (902)；Circuit board is connected on shell (901).
5. the Anneta module according to claim 4 for supporting NFC and wireless charging multiplexing, which is characterized in that described the
The side of one (902) fits in NFC and wireless charging two-in-one antenna device (908)；
The other side of first (902) fits on shell (901) or the other side of first (902) patch
Together on second (903).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774676.XU CN208240876U (en) | 2018-05-23 | 2018-05-23 | NFC and wireless charging two-in-one antenna device and module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774676.XU CN208240876U (en) | 2018-05-23 | 2018-05-23 | NFC and wireless charging two-in-one antenna device and module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240876U true CN208240876U (en) | 2018-12-14 |
Family
ID=64579837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820774676.XU Active CN208240876U (en) | 2018-05-23 | 2018-05-23 | NFC and wireless charging two-in-one antenna device and module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697316A (en) * | 2019-03-14 | 2020-09-22 | 意法半导体奥地利有限公司 | Antenna apparatus and associated devices |
-
2018
- 2018-05-23 CN CN201820774676.XU patent/CN208240876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697316A (en) * | 2019-03-14 | 2020-09-22 | 意法半导体奥地利有限公司 | Antenna apparatus and associated devices |
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