CN210692736U - Miniaturized and high performance NFC antenna - Google Patents
Miniaturized and high performance NFC antenna Download PDFInfo
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- CN210692736U CN210692736U CN201921040852.8U CN201921040852U CN210692736U CN 210692736 U CN210692736 U CN 210692736U CN 201921040852 U CN201921040852 U CN 201921040852U CN 210692736 U CN210692736 U CN 210692736U
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Abstract
The utility model relates to a miniaturized and high performance NFC antenna, which comprises a substrate, be equipped with a plurality of circles induction coil on the substrate, corresponding NFC chip is connected at the induction coil both ends induction coil's center department is equipped with the magnetic flux medium for reinforcing induction coil's magnetic flux promotes the antenna and is discerned the distance. The utility model discloses the antenna passes through the magnetic flux medium, has promoted the antenna by the identification distance to solve the crooked problem of perk of substrate that the antenna miniaturization brought, promoted the yields, use the scene more nimble multi-purpose, installation or convenient to carry.
Description
Technical Field
The utility model relates to a terminal wireless communication technology field, concretely relates to miniaturized and high performance NFC antenna.
Background
With the increasing living standard of people and the higher and higher requirements on living quality, the development of modern science and technology provides various conveniences for people. The Internet of things (IoT) is widely used in smart homes. As a hardware carrier, nfc (near Field communication) antenna is indispensable, and the near Field communication technology is a non-contact identification and interconnection technology, and can perform near Field wireless communication between mobile devices, consumer electronics, PCs, and intelligent control tools, so that consumers can exchange information, access content, and services simply and intuitively, and applications such as mobile payment, electronic ticketing, door access, mobile identity identification, and anti-counterfeiting are realized.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that prior art exists, provide a miniaturized and high performance NFC antenna.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides a miniaturized and high performance NFC antenna, includes the substrate, be equipped with a plurality of circles of induction coil on the substrate, corresponding NFC chip is connected at induction coil both ends induction coil's center department is equipped with the magnetic flux medium for reinforcing induction coil's magnetic flux promotes the antenna and is discerned the distance.
Further, the magnetic flux medium is ferrite.
Furthermore, the ferrite is of a sheet structure attached to the base material and used for preventing the base material from warping.
Furthermore, one end of the base material is provided with thin foam for buffering and fixing the whole antenna.
Further, the NFC chip is fixed to the substrate by a corresponding dispensing seal.
Further, the distance between the adjacent induction coils is 0.07mm-0.1mm, and the line width of each induction coil is 0.07mm-0.1 mm.
The utility model has the advantages that:
the utility model discloses the antenna passes through the magnetic flux medium, has promoted the antenna by the identification distance to solve the crooked problem of perk of substrate that the antenna miniaturization brought, promoted the yields, use the scene more nimble multi-purpose, installation or convenient to carry.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a structural view of the exploded structure of fig. 1.
The reference numbers in the figures illustrate: 1. the device comprises a base material, 2, an induction coil, 3, an NFC chip, 4, a magnetic flux medium and 5, and glue dispensing.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 and 2, a miniaturized and high-performance NFC antenna includes a substrate 1, a plurality of induction coils 2 are provided on the substrate 1, two ends of each induction coil 2 are connected to corresponding NFC chips 3, and a magnetic flux medium 4 is provided at the center of each induction coil 2 to enhance the magnetic flux of the induction coil 2 and increase the recognized distance of the antenna.
The magnetic flux medium 4 is ferrite, and in the present embodiment, the ferrite and the induction coil 2 are respectively provided on both sides of the base material 1.
The ferrite is the lamellar structure of laminating mutually with substrate 1, and the ferrite has certain thickness and hardness, can prevent that substrate 1 from warping, promotes the production yield.
One end of the substrate 1 is provided with thin foam for buffering and fixing the whole antenna so as to adapt to installation and fixation of some application occasions.
The NFC chip 3 is hermetically fixed to the substrate 1 by means of corresponding glue 5.
The distance between the adjacent induction coils 2 is 0.07mm-0.1mm, and the line width of each induction coil 2 is 0.07mm-0.1mm, so that the antenna is miniaturized, and the use scene is more flexible and multipurpose.
The principle of the utility model
The utility model discloses in, near the reader-writer that corresponds can produce the electromagnetic field, the utility model discloses induction coil 2 in the antenna can produce induced-current activation NFC chip 3 when getting into this electromagnetic field, and the corresponding information of storage among the reader-writer reading NFC chip 3, and the ferrite can increase the magnetic flux for just can produce induced-current activation NFC chip 3 in induction coil 2 places farther apart from the reader-writer, promoted the antenna by identification distance.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a miniaturized and high performance NFC antenna, includes substrate (1), its characterized in that, be equipped with a plurality of rings of induction coil (2) on substrate (1), corresponding NFC chip (3) are connected at induction coil (2) both ends the center department of induction coil (2) is equipped with magnetic flux medium (4) for strengthen induction coil's (2) magnetic flux, promote the antenna and be discerned distance.
2. Miniaturized and high-performance NFC antenna according to claim 1, characterized in that the magnetic flux medium (4) is ferrite.
3. The miniaturized and high-performance NFC antenna according to claim 2, wherein the ferrite is a sheet structure attached to the substrate (1) for preventing the substrate (1) from warping.
4. Miniaturized and high-performance NFC antenna according to claim 1, characterized in that one end of the substrate (1) is provided with a thin foam for buffer fixation of the whole antenna.
5. Miniaturized and high-performance NFC antenna according to claim 1, characterized in that said NFC chip (3) is hermetically fixed to the substrate (1) by means of respective glue-dispensing (5).
6. Miniaturized and high-performance NFC antenna according to claim 1, characterized in that the distance between adjacent induction coils (2) is 0.07-0.1 mm and the line width of each turn of the induction coil (2) is 0.07-0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040852.8U CN210692736U (en) | 2019-07-05 | 2019-07-05 | Miniaturized and high performance NFC antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921040852.8U CN210692736U (en) | 2019-07-05 | 2019-07-05 | Miniaturized and high performance NFC antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692736U true CN210692736U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921040852.8U Active CN210692736U (en) | 2019-07-05 | 2019-07-05 | Miniaturized and high performance NFC antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024103557A1 (en) * | 2022-11-16 | 2024-05-23 | 时迈安拓通讯科技（苏州）有限公司 | Nfc antenna supporting random attachment and having long front-face read-write distance |
-
2019
- 2019-07-05 CN CN201921040852.8U patent/CN210692736U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024103557A1 (en) * | 2022-11-16 | 2024-05-23 | 时迈安拓通讯科技（苏州）有限公司 | Nfc antenna supporting random attachment and having long front-face read-write distance |
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