CN109638434A - A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet - Google Patents
A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet Download PDFInfo
- Publication number
- CN109638434A CN109638434A CN201811406986.7A CN201811406986A CN109638434A CN 109638434 A CN109638434 A CN 109638434A CN 201811406986 A CN201811406986 A CN 201811406986A CN 109638434 A CN109638434 A CN 109638434A
- Authority
- CN
- China
- Prior art keywords
- antenna
- intelligent bracelet
- point
- nfc antenna
- grounding point
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
- A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
- A44C5/0007—Bracelets specially adapted for other functions or with means for attaching other articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/48—Earthing means; Earth screens; Counterpoises
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
Landscapes
- Support Of Aerials (AREA)
Abstract
The embodiment of the invention discloses a kind of NFC antenna of Intelligent bracelet and Intelligent bracelets, the NFC antenna includes FPC substrate, coil, read-write chip and antenna match device, the NFC antenna is provided with grounding point and signaling point, the grounding point connects coil both ends with signaling point and forms at least one set of wire loop, the coil encircling is arranged in the FPC substrate, and the read-write chip and antenna match device are all connected with the grounding point and signaling point.Present invention employs the structures of FPC, are utilized the short space between shell, mainboard and screen well, and the chip space in flexible cloth NFC antenna, and have touch sheet.Validity solve product existing for Intelligent bracelet antenna it is irregular, unsightly, the unstable technical problem of assembly difficulty, performance, it is exquisite appearance, product rule, easy to assembly.
Description
Technical field
The present invention relates to mobile terminal antenna field more particularly to the NFC antennas and Intelligent bracelet of a kind of Intelligent bracelet.
Background technique
With the product day different miniaturization and diversification in market, intelligence is dressed terminal device and is gradually popularized, more and more
User's body-worn sport intellect bracelet, smart motion bracelet are a kind of current the most widely used smart machines, are used for
Various physiological status when human motion are detected whenever and wherever possible.Existing Intelligent bracelet in the market, is worn in wrist, then cooperates
Each independently developed app of manufacturer, by Bluetooth transfer techniques, it is mobile that the exercise data that Intelligent bracelet is monitored is transferred to mobile phone
Intellectualized detection and motion analysis etc. are realized in end.
Intelligent bracelet is at present in order to realize better antenna function, the common day that NFC is realized by the way of enameled wire loop
Line, however the antenna of this mode that there are products is irregular, unsightly, assembly difficulty, unstable performance the problems such as.
Therefore, the prior art is further improved.
Summary of the invention
In view of the above technical problems, the embodiment of the invention provides a kind of NFC antenna of Intelligent bracelet and Intelligent bracelet, solutions
Product existing for certainly current Intelligent bracelet antenna is irregular, unsightly, the unstable technical problem of assembly difficulty, performance.
The first aspect of the embodiment of the present invention provides a kind of NFC antenna of Intelligent bracelet, and NFC days of a kind of Intelligent bracelet
Line, which is characterized in that the NFC antenna includes FPC substrate, coil, read-write chip and antenna match device, the NFC antenna
It is provided with grounding point and signaling point, the grounding point connects coil both ends with signaling point and forms at least one set of wire loop, described
Coil encircling is arranged in the FPC substrate, and the read-write chip and antenna match device are all connected with the grounding point and signal
Point.
Optionally, the antenna match device includes that first antenna matches device and the second antenna match device, described
Grounding point is provided with the first grounding point and the second grounding point interconnected, and the signaling point is provided with the first letter interconnected
Number point and second signal point, the first antenna matching device are connected between the first grounding point and the first signaling point, and described the
Two antenna match devices are connected between the second grounding point and second signal point, second grounding point and second signal point difference
Connect the both ends of the coil.
Optionally, the coil is rectangle annular on the FPC substrate and surround.
Optionally, touch sheet is provided on the FPC substrate.
Optionally, the read-write chip, antenna match device, grounding point and signaling point are respectively positioned on the one of the FPC substrate
Side.
Second aspect of the embodiment of the present invention provides a kind of Intelligent bracelet, and the Intelligent bracelet includes above-mentioned NFC antenna,
It further include PCBA board, display screen and shell, the NFC antenna is attached between the PCBA board and shell.
Optionally, ferrite sheet is posted in the NFC antenna.
Optionally, the Intelligent bracelet is motion bracelet.
In technical solution provided in an embodiment of the present invention, using the structure of FPC, shell, mainboard and screen are utilized well
Between short space, and the chip space in flexible cloth NFC antenna, and have a touch sheet.Validity solves intelligence
Product existing for bracelet antenna is irregular, unsightly, the unstable technical problem of assembly difficulty, performance.Exquisite appearance, product rule
Then, easy to assembly.
Detailed description of the invention
Fig. 1 is NFC antenna one embodiment schematic diagram in the embodiment of the present invention；
Fig. 2 is another embodiment schematic diagram of NFC antenna in the embodiment of the present invention；
Fig. 3 is Intelligent bracelet one embodiment schematic diagram in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those skilled in the art's every other implementation obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Description and claims of this specification and the term " first " in above-mentioned attached drawing, " second " are for distinguishing class
As object, without being used to describe a particular order or precedence order.It should be understood that the data used in this way are in appropriate situation
Under can be interchanged, so that the embodiments described herein can be real with the sequence other than the content for illustrating or describing herein
It applies.In addition, term " includes " and " having " and their any deformation, it is intended that cover it is non-exclusive include, for example, packet
The process, method, system, product or equipment for having contained a series of steps or units those of be not necessarily limited to be clearly listed step or
Unit, but may include other steps being not clearly listed or intrinsic for these process, methods, product or equipment or
Unit.
Flexible circuit board (Flexible Printed Circuit abbreviation FPC) is using polyimides or polyester film as base
One kind made of material has height reliability, excellent flexible printed circuit.High, the light-weight, thickness with Distribution density
Feature thin, bending is good.And the present invention makes full use of the characteristic of flexible circuit board, improves the NFC antenna of existing Intelligent bracelet
Structure realizes better antenna function and the design of more flexible structure.
Fig. 1 and Fig. 2 are please referred to, NFC antenna one embodiment includes: FPC substrate 1, coil 2, reads in the embodiment of the present invention
Chip 3 and antenna match device 4 are write, which is provided with grounding point 5 and signaling point 6, and the grounding point 5 and signaling point 6 connect
2 both ends of coil form at least one set of wire loop, and coil 2 is circumferentially positioned in the FPC substrate 1, read-write chip 3 and antenna match
Device 4 is all connected with grounding point 5 and signaling point 6.
Specifically, the antenna match device 4 of the embodiment of the present invention includes first antenna matching device 41 and the second antenna
Device 42 is matched, grounding point 5 is provided with the first grounding point 51 interconnected and the second grounding point 52, and signaling point 6 is provided with phase
The first signaling point 61 and second signal point 62 to connect, first antenna matching device 41 are connected to the first grounding point 51 and first
Between signaling point 61, the second antenna match device 42 is connected between the second grounding point 52 and second signal point 62, and second connects
Place 52 and second signal point 62 are separately connected the both ends of coil 2 again, form complete loop checking installation.
The structure using FPC of the embodiment of the present invention, so that the antenna pattern of NFC becomes rule, good appearance.And
Included read-write chip and antenna match, product are not influenced by the power supply of terminating machine, are all not connected to the motherboard circuit of terminating machine, can
To be designed according to the flexible shapes of terminating machine.Meanwhile NFC antenna design around the screen of product, it can be very good to utilize shell
Short space between body, mainboard and screen, and the chip space flexibly arranged in NFC antenna, entire product formation one are convenient
It installs and uses, can freely read and write, break previous read-write chip design on mainboard, do not need the mode of main board power supply, and
The matching of change mainboard is not needed to adjust the performance of NFC.
In embodiments of the present invention, the coil 2 of NFC antenna is rectangle annular on FPC substrate 1 and surround, i.e., regular
Arrangement, it is of course also possible to do customization design according to the specific structure of product.For example, if product shell be it is round, can be with
NFC substrate 1 is designed as circle, 2 circular rings of coil around.If product shell is square, NFC substrate 1 can be designed
Be square, 2 Q-RING of coil around.Therefore, it is circular to be not limited to rectangle annular for the present embodiment, and is only used to explain this reality
The NFC antenna for applying example can be designed according to the flexible shapes of product.
Preferably, it is additionally provided with touch sheet 7 on the FPC substrate 1 of the embodiment of the present invention, so as to Integration Design, guaranteed
The stability and structure of product are unified.
Furthermore read-write chip 3, antenna match device 4, grounding point 5 and the signaling point 6 of the embodiment of the present invention are respectively positioned on FPC
The side of substrate 1, to facilitate product design.
Based on above-mentioned NFC antenna, second aspect of the embodiment of the present invention provides a kind of Intelligent bracelet, as shown in figure 3, the intelligence
Energy bracelet includes above-mentioned NFC antenna 70, further includes PCBA board 40, display screen 50 and shell 80, which is attached to the PCBA
Between plate 40 and shell 80.The shape of the NFC antenna exact matching shell of the present embodiment, it is easy for installation.
Preferably, ferrite sheet 60 is posted in the NFC antenna 70 of the embodiment of the present invention, ferrite sheet 60 is by Ferrite Material
It is prepared, absorption of the metal material to signal magnetic field can be effectively reduced in ferrite sheet, while ferrite membrane itself is a kind of
The Ferrite Material of high temperature sintering effectively increases distance of reaction by increasing magnetic field strength.
In embodiments of the present invention, Intelligent bracelet is preferably motion bracelet, naturally it is also possible to and it is other Intelligent bracelets, and
Other are intelligently worn in terminal.
In conclusion the NFC antenna and Intelligent bracelet of Intelligent bracelet provided by the invention, using the structure of FPC, day
Line designs around the screen of product, well using short space between shell, mainboard and screen, and flexible cloth NFC days
Chip space on line makes the more regular beauty of product, convenient for assembly.Included chip and matching element simultaneously stick ferrite, and
It can be with being designed according to the inside dimension shape of terminating machine, entire product formation one is conveniently installed and used, can freely be read and write.
Break previous read-write chip design and do not need the mode of main board power supply on mainboard, and the matching for not needing change mainboard comes
Adjust the performance of NFC.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of NFC antenna of Intelligent bracelet, which is characterized in that the NFC antenna include FPC substrate, coil, read-write chip and
Antenna match device, the NFC antenna are provided with grounding point and signaling point, and the grounding point connects coil both ends shape with signaling point
At at least one set of wire loop, the coil encircling is arranged in the FPC substrate, the read-write chip and antenna match device
It is all connected with the grounding point and signaling point.
2. the NFC antenna of Intelligent bracelet according to claim 1, which is characterized in that the antenna match device includes
One antenna match device and the second antenna match device, the grounding point are provided with the first grounding point interconnected and second and connect
Place, the signaling point are provided with the first signaling point interconnected and second signal point, and the first antenna matching device connects
It connects between the first grounding point and the first signaling point, the second antenna match device is connected to the second grounding point and second signal
Between point, second grounding point and second signal point are separately connected the both ends of the coil.
3. the NFC antenna of Intelligent bracelet according to claim 1, which is characterized in that the coil is on the FPC substrate
Rectangle annular is surround.
4. the NFC antenna of Intelligent bracelet according to claim 1, which is characterized in that be provided with touch on the FPC substrate
Piece.
5. the NFC antenna of Intelligent bracelet according to claim 1, which is characterized in that the read-write chip, adapter
Part, grounding point and signaling point are respectively positioned on the side of the FPC substrate.
6. a kind of Intelligent bracelet, which is characterized in that the Intelligent bracelet includes NFC days described in any one of claim 1 to 5
Line, further includes PCBA board, display screen and shell, and the NFC antenna is attached between the PCBA board and shell.
7. Intelligent bracelet according to claim 6, ferrite sheet is posted in the NFC antenna.
8. Intelligent bracelet according to claim 6, the Intelligent bracelet is motion bracelet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406986.7A CN109638434A (en) | 2018-11-23 | 2018-11-23 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811406986.7A CN109638434A (en) | 2018-11-23 | 2018-11-23 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109638434A true CN109638434A (en) | 2019-04-16 |
Family
ID=66069320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811406986.7A Pending CN109638434A (en) | 2018-11-23 | 2018-11-23 | A kind of NFC antenna and Intelligent bracelet of Intelligent bracelet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109638434A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112561021A (en) * | 2020-12-16 | 2021-03-26 | 中山市博安通通信技术有限公司 | RFID antenna connection method independent from main board |
| WO2023039970A1 (en) * | 2021-09-15 | 2023-03-23 | 日立江森自控空调有限公司 | Controller |
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| CN202159363U (en) * | 2011-06-28 | 2012-03-07 | 时运达(深圳)电子有限公司 | Radio Frequency Identification assembly based on flexible circuit board antenna |
| CN203521617U (en) * | 2013-07-31 | 2014-04-02 | 陈业军 | Flexible wearable near-field communication and wireless charging antenna and terminal |
| CN203733291U (en) * | 2013-12-19 | 2014-07-23 | 深圳Tcl新技术有限公司 | Remote controller |
| CN104751220A (en) * | 2013-12-27 | 2015-07-01 | 佳能株式会社 | Wireless communication device and electronic apparatus |
| CN106329061A (en) * | 2016-08-29 | 2017-01-11 | 青岛海信移动通信技术股份有限公司 | Antenna device and mobile terminal with same |
| CN207398362U (en) * | 2017-09-28 | 2018-05-22 | 深圳市海德门电子有限公司 | NFC device based on wearable device |
| KR20180098939A (en) * | 2017-02-27 | 2018-09-05 | 순천대학교 산학협력단 | Flexible NFC sensor tag and method for fabricating flexible NFC sensor tag |
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2018
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202159363U (en) * | 2011-06-28 | 2012-03-07 | 时运达(深圳)电子有限公司 | Radio Frequency Identification assembly based on flexible circuit board antenna |
| CN203521617U (en) * | 2013-07-31 | 2014-04-02 | 陈业军 | Flexible wearable near-field communication and wireless charging antenna and terminal |
| CN203733291U (en) * | 2013-12-19 | 2014-07-23 | 深圳Tcl新技术有限公司 | Remote controller |
| CN104751220A (en) * | 2013-12-27 | 2015-07-01 | 佳能株式会社 | Wireless communication device and electronic apparatus |
| CN106329061A (en) * | 2016-08-29 | 2017-01-11 | 青岛海信移动通信技术股份有限公司 | Antenna device and mobile terminal with same |
| KR20180098939A (en) * | 2017-02-27 | 2018-09-05 | 순천대학교 산학협력단 | Flexible NFC sensor tag and method for fabricating flexible NFC sensor tag |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112561021A (en) * | 2020-12-16 | 2021-03-26 | 中山市博安通通信技术有限公司 | RFID antenna connection method independent from main board |
| WO2023039970A1 (en) * | 2021-09-15 | 2023-03-23 | 日立江森自控空调有限公司 | Controller |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |