CN105742809B - A kind of NFC near-field communication aerial - Google Patents
A kind of NFC near-field communication aerial Download PDFInfo
- Publication number
- CN105742809B CN105742809B CN201610322556.1A CN201610322556A CN105742809B CN 105742809 B CN105742809 B CN 105742809B CN 201610322556 A CN201610322556 A CN 201610322556A CN 105742809 B CN105742809 B CN 105742809B
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- Prior art keywords
- antenna
- antenna loop
- loop
- iii
- base band
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Classifications
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- 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
-
- 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
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- Details Of Aerials (AREA)
Abstract
The invention discloses a kind of NFC near-field communication aerial, including antenna substrate, it is provided with base band antenna I on antenna substrate upper surface, base band antenna II is provided on the lower surface of antenna substrate；The base band antenna I includes antenna loop I, antenna loop II and antenna loop III, base band antenna II includes antenna loop IV and antenna loop V, antenna loop I, antenna loop II, antenna loop III, antenna loop IV and antenna loop V be circular ring shape paster antenna of same size, antenna loop I, antenna loop II, antenna loop III, antenna loop IV and antenna loop V the center of circle line perpendicular to antenna substrate.The advantage of the invention is that it can overcome the disadvantages of the prior art, novelty reasonable in design.
Description
Technical field
The present invention relates to a kind of NFC near-field communication aerials, belong to the communications field.
Background technique
In recent years, with the continuous popularization and use of NFC system, in order between mobile electronic device or mobile electronic device with
It is communicated between basic card-reading apparatus, in each equipment, the especially hand-held mobile electronic equipment communication that is mounted with NFC system
Antenna.Existing NFC antenna is assemblied in mobile device interior of shell more.In numerous communication antennas, NFC antenna is because of its work
Frequency is low, so its antenna area is larger, it is often a kind of maximum antenna of area in communication equipment, so leading to such antenna
Cost of manufacture is higher, is unfavorable for promoting the use of in a mobile device.How antenna size is reduced, the final system for reducing antenna
Make cost, and can guarantee that its good communication distance becomes a urgent problem.
Summary of the invention
In view of the deficienciess of the prior art, the technical problem to be solved by the invention is to provide a kind of NFC near-field communications
Antenna, small in size, communication capacity is strong.
In order to solve the above technical problems, the technical solution adopted by the present invention is that, a kind of NFC near-field communication aerial, including day
Line substrate is provided with base band antenna I on antenna substrate upper surface, base band antenna II is provided on the lower surface of antenna substrate；Institute
Stating base band antenna I includes antenna loop I, antenna loop II and antenna loop III, and base band antenna II includes antenna loop IV and antenna loop V, day
Wire loop I, antenna loop II, antenna loop III, antenna loop IV and antenna loop V be circular ring shape paster antenna of same size, antenna loop I,
The line in the center of circle of antenna loop II, antenna loop III, antenna loop IV and antenna loop V is perpendicular to antenna substrate；Outside the antenna loop II
The diameter of edge is the 5/7 of I external profile diameter of antenna loop, and the diameter of IV outer rim of antenna loop III and antenna loop is I external profile diameter of antenna loop
3/7, the diameter of V outer rim of antenna loop is the 1/7 of I external profile diameter of antenna loop, and the width of antenna loop I is that the outer rim of antenna loop I is straight
The 1/14 of diameter；Connection sheet I, antenna loop are provided between the antenna loop I and antenna loop II, between antenna loop II and antenna loop III
It is provided with connection sheet II between IV and antenna loop V, via hole connecting column is provided between antenna loop III and antenna loop IV.
Optimization, above-mentioned NFC near-field communication aerial, the connection sheet I and connection sheet II are of same size.
The advantage of the invention is that it can overcome the disadvantages of the prior art, novelty reasonable in design.The application is in order to the greatest extent
Amount reduces the volume of antenna, sets concentric-ring pattern for the antenna that original helix is arranged, and be all provided on the two sides of substrate
Antenna sets are set, it is interior in a limited space in this way to form three-dimensional antenna arrangement, increase the signal strength of antenna.In order to reduce antenna
Volume, the quantity of antenna can only be reduced, but after reducing the quantity of antenna, the signal quality of antenna can be reduced.In order to have
Communication quality is improved under the antenna amount of limit, is obtained after experiment, the diameter of II outer rim of antenna loop is I external profile diameter of antenna loop
5/7, the diameter of IV outer rim of antenna loop III and antenna loop be the 3/7 of I external profile diameter of antenna loop, the diameter of V outer rim of antenna loop is
I external profile diameter of antenna loop 1/7, the external profile diameter that the width of antenna loop I is antenna loop I 1/14 when, can be in limited sky
It is interior to improve communication quality as far as possible.Base band antenna I is connect with base band antenna II using copper sheet via hole in the prior art, copper sheet mistake
Hole one end is connect with base band antenna I, and the other end passes through antenna substrate I and connect with base band antenna II.Base band antenna I and base band antenna
II is connect by flexible circuit board in the prior art with circuitry.Base band antenna I, base band antenna II and flexible circuit board point
Weldering connection.
Detailed description of the invention
Fig. 1 is overlooking structure diagram of the invention；
Fig. 2 is present invention looks up structural representation of the invention；
In figure: 1 being antenna substrate, 2 be antenna loop I, 3 be antenna loop II, 4 be antenna loop III, 5 be antenna loop IV, 6 be day
It is connection sheet II, 9 is via hole connecting column that wire loop V, 7, which is connection sheet I, 8,.
Specific embodiment
With reference to the accompanying drawing with the specific embodiment technical characterstic that the present invention is further explained.
The present invention is a kind of NFC near-field communication aerial, including antenna substrate, is provided with base band day on antenna substrate upper surface
Line I is provided with base band antenna II on the lower surface of antenna substrate；The base band antenna I includes antenna loop I, antenna loop II and day
Wire loop III, base band antenna II include antenna loop IV and antenna loop V, antenna loop I, antenna loop II, antenna loop III, IV and of antenna loop
Antenna loop V is circular ring shape paster antenna of same size, antenna loop I, antenna loop II, antenna loop III, antenna loop IV and antenna loop
The line in V center of circle is perpendicular to antenna substrate；The diameter of II outer rim of antenna loop is the 5/7 of I external profile diameter of antenna loop, day
The diameter of IV outer rim of wire loop III and antenna loop is the 3/7 of I external profile diameter of antenna loop, and the diameter of V outer rim of antenna loop is antenna loop I
The 1/7 of external profile diameter, the width of antenna loop I are the 1/14 of the external profile diameter of antenna loop I；The antenna loop I and antenna loop II it
Between, between antenna loop II and antenna loop III be provided with connection sheet I, connection sheet II is provided between antenna loop IV and antenna loop V,
Via hole connecting column is provided between antenna loop III and antenna loop IV, the connection sheet I and connection sheet II are of same size.
The advantage of the invention is that it can overcome the disadvantages of the prior art, novelty reasonable in design.The application is in order to the greatest extent
Amount reduces the volume of antenna, sets concentric-ring pattern for the antenna that original helix is arranged, and be all provided on the two sides of substrate
Antenna sets are set, it is interior in a limited space in this way to form three-dimensional antenna arrangement, increase the signal strength of antenna.In order to reduce antenna
Volume, the quantity of antenna can only be reduced, but after reducing the quantity of antenna, the signal quality of antenna can be reduced.In order to have
Communication quality is improved under the antenna amount of limit, is obtained after experiment, the diameter of II outer rim of antenna loop is I external profile diameter of antenna loop
5/7, the diameter of IV outer rim of antenna loop III and antenna loop be the 3/7 of I external profile diameter of antenna loop, the diameter of V outer rim of antenna loop is
I external profile diameter of antenna loop 1/7, the external profile diameter that the width of antenna loop I is antenna loop I 1/14 when, can be in limited sky
It is interior to improve communication quality as far as possible.Base band antenna I is connect with base band antenna II using copper sheet via hole in the prior art, copper sheet mistake
Hole one end is connect with base band antenna I, and the other end passes through antenna substrate and connect with base band antenna II.Base band antenna I and base band antenna
II is connect by flexible circuit board in the prior art with circuitry.Base band antenna I, base band antenna II and flexible circuit board point
Weldering connection.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, within the essential scope of the present invention, the variations, modifications, additions or substitutions made all should belong to the present invention
Protection scope.
Claims (2)
1. a kind of NFC near-field communication aerial, it is characterised in that: including antenna substrate, antenna substrate is provided with micro-strip on upper surface
Antenna I is provided with microstrip antenna II on the lower surface of antenna substrate；The microstrip antenna I includes antenna loop I, II and of antenna loop
Antenna loop III, microstrip antenna II include antenna loop IV and antenna loop V, antenna loop I, antenna loop II, antenna loop III, antenna loop IV
It is circular ring shape paster antenna of same size, antenna loop I, antenna loop II, antenna loop III, antenna loop IV and antenna with antenna loop V
The line in the center of circle of ring V is perpendicular to antenna substrate；The diameter of II outer rim of antenna loop is the 5/7 of I external profile diameter of antenna loop,
The diameter of IV outer rim of antenna loop III and antenna loop is the 3/7 of I external profile diameter of antenna loop, and the diameter of V outer rim of antenna loop is antenna loop
The 1/7 of I external profile diameter, the width of antenna loop I are the 1/14 of the external profile diameter of antenna loop I；The antenna loop I and antenna loop II it
Between, between antenna loop II and antenna loop III be provided with connection sheet I, connection sheet II is provided between antenna loop IV and antenna loop V,
Via hole connecting column is provided between antenna loop III and antenna loop IV.
2. NFC near-field communication aerial according to claim 1, it is characterised in that: II width of the connection sheet I and connection sheet
It is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322556.1A CN105742809B (en) | 2016-05-16 | 2016-05-16 | A kind of NFC near-field communication aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610322556.1A CN105742809B (en) | 2016-05-16 | 2016-05-16 | A kind of NFC near-field communication aerial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105742809A CN105742809A (en) | 2016-07-06 |
| CN105742809B true CN105742809B (en) | 2019-04-23 |
Family
ID=56256132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610322556.1A Active CN105742809B (en) | 2016-05-16 | 2016-05-16 | A kind of NFC near-field communication aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105742809B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996662A (en) * | 2006-12-28 | 2007-07-11 | 上海交通大学 | Ultra-wide antenna with the base-integrated wave guide feedback structure |
-
2016
- 2016-05-16 CN CN201610322556.1A patent/CN105742809B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1996662A (en) * | 2006-12-28 | 2007-07-11 | 上海交通大学 | Ultra-wide antenna with the base-integrated wave guide feedback structure |
Non-Patent Citations (3)
| Title |
|---|
| "A Multiple Ring Slots Ultra Wide-Band Antenna (MRS-UWB) for Biomedical Applications";M. Aziz ul Haq 等;《2014 IEEE 17th International Multi-Topic Conference (INMIC)》;20141210;第56-60页 |
| "Miniature multi-band monopole antenna using spiral ring resonators for radiation pattern characteristics improvement";Y.-T. Wan 等;《ELECTRONICS LETTERS》;20130314;第49卷(第6期);全文 |
| "The Effects of Parasitic Superstrate Elliptical Shaped Antenna without Dots Element";V. Priyashman 等;《2012 IEEE Symposium on Wireless Technology and Applications (ISWTA)》;20120926;第114-117页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105742809A (en) | 2016-07-06 |
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| C10 | Entry into substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190329 Address after: 510000 3/F 302, 5 Lujiang West Street, Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Applicant after: Guangzhou Metropolitan Information Technology Co., Ltd. Address before: 150001 1 unit 5, 3 unit, 802 building, an Bu District, Xiangfang, Harbin, Heilongjiang Applicant before: HARBIN GONGYANG TECHNOLOGY CONSULTING CO., LTD. |
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| GR01 | Patent grant |