CN202772261U - Communication device and near field communication antenna - Google Patents
Communication device and near field communication antenna Download PDFInfo
- Publication number
- CN202772261U CN202772261U CN 201220453837 CN201220453837U CN202772261U CN 202772261 U CN202772261 U CN 202772261U CN 201220453837 CN201220453837 CN 201220453837 CN 201220453837 U CN201220453837 U CN 201220453837U CN 202772261 U CN202772261 U CN 202772261U
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- conductor wire
- wire frame
- frame
- field communication
- communication aerial
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Abstract
The utility model relates to a communication device and a near field communication antenna. The near field communication antenna comprises a dielectric substrate, a main body radiation portion and a first conductor wire frame, wherein the dielectric substrate has a first surface, the main body radiation portion is used for receiving or emitting near field communication microwave signals, arranged at the first surface of the dielectric substrate and is continuously wound by conductor wire to form a frame, the first conductor wire frame is arranged at the first surface of the dielectric substrate, one of the main body radiation portion and the first conductor wire frame is located in a frame of the other one with an interval, and the first conductor wire frame is used for preventing electromagnetic signal interference along the first surface, and between an outside frame part and an inside frame part of the first conductor wire frame. The communication device and the near field communication antenna can prevent mutual electromagnetic signal interference.
Description
Technical field
The utility model relates to a kind of device and antenna thereof, refers to especially a kind of communicator and near-field communication aerial.
Background technology
Consult Fig. 1, known near field communication means 1 comprises a dielectric substrate 11, a near-field communication aerial 12, one first circuit 13, a second circuit 14 and loudspeaker 15.
The shortcoming of known near field communication means 1 is: near-field communication aerial 12 and the first circuit 13, second circuit 14 and 15 not shieldings of loudspeaker produce mutually easily and disturb.
Therefore, need to provide a kind of communicator and near-field communication aerial to solve the problems referred to above.
The utility model content
Therefore, a purpose of the present utility model namely is to provide a kind of communicator that can solve the interference problem of prior art.
So communicator of the present utility model comprises: a near-field communication aerial and a circuit system; This near-field communication aerial comprises: a dielectric substrate, a main body Department of Radiation and one first conductor wire frame; This dielectric substrate has a first surface; The microwave signal of this main body Department of Radiation in order to receive or to launch a near-field communication, and be arranged at this first surface of this dielectric substrate, and by a conductor lines Curved Continuous around forming a shaped as frame; This first conductor wire frame is arranged at this first surface of this dielectric substrate, and the wherein one of this main body Department of Radiation and this first conductor wire frame is positioned at the frame of another one at intervals; This circuit system is electrically connected this near-field communication aerial, exchanging the microwave signal of this near-field communication, and this first conductor wire frame in order to prevent along this first surface and in the frame of this first conductor wire frame and the mutual electromagnetic signal between outside the frame disturb.
And another purpose of the present utility model namely is to provide a kind of aforesaid near-field communication aerial.
Near-field communication aerial of the present utility model comprises: a dielectric substrate, and this dielectric substrate has a first surface; One main body Department of Radiation, the microwave signal of this main body Department of Radiation in order to receive or to launch a near-field communication, and be arranged at this first surface of this dielectric substrate, and by a conductor lines Curved Continuous around forming a shaped as frame; And one first conductor wire frame, this the first conductor wire frame is arranged at this first surface of this dielectric substrate, and the wherein one of this main body Department of Radiation and this first conductor wire frame is positioned at the frame of another one at intervals, and this first conductor wire frame in order to prevent along this first surface and in the frame of this first conductor wire frame and the mutual electromagnetic signal between outside the frame disturb.
The utility model can prevent along first surface and in self frame and the mutual electromagnetic signal between outside the frame disturb, and can avoid the shortcoming of prior art.
Description of drawings
Fig. 1 is an a kind of schematic diagram of known near field communication means;
Fig. 2 is a schematic diagram of the first preferred embodiment of near-field communication aerial of the present utility model;
Fig. 3 is the simulation schematic diagram of an electric-field intensity distribution of the first preferred embodiment;
Fig. 4 is the simulation schematic diagram that the first preferred embodiment removes the electric-field intensity distribution behind the one first conductor wire frame;
Fig. 5 is a schematic diagram of the second preferred embodiment of near-field communication aerial of the present utility model;
Fig. 6 is a schematic diagram of the 3rd preferred embodiment of near-field communication aerial of the present utility model;
Fig. 7 is relatively schematic diagrames of transmitting-receiving of two the 3rd preferred embodiments;
Fig. 8 is a schematic diagram of the 4th preferred embodiment of near-field communication aerial of the present utility model;
Each equivalent circuit diagram of one first filter of the 4th preferred embodiment naturally of Fig. 9 to Figure 13;
Figure 14 is a schematic diagram of the 5th preferred embodiment of near-field communication aerial of the present utility model;
Figure 15 is a schematic diagram of the 6th preferred embodiment of near-field communication aerial of the present utility model; And
Figure 16 is a schematic diagram of the preferred embodiment of communicator of the present utility model.
The primary clustering symbol description:
1 near field communication means, 52 terminal parts
11 dielectric substrates, 45 zones
12 near-field communication aerials, 6 first filters
13 first circuit, 61 transmission ends
14 second circuits, 62 inductance
15 loudspeaker, 62 ' inductance
2 dielectric substrates, 63 electric capacity
21 first surfaces, 64 resistance
3 main body Departments of Radiation, 7 second filters
4 first conductor wire frames, 71 transmission ends
41 first openings, 8 circuit systems
42 terminal parts, 81 grounding parts
5 second conductor wire frames, 9 circuit
51 second openings, 10 near-field communication aerials
Embodiment
About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of following cooperation seven preferred embodiments with reference to the accompanying drawings, can clearly present.
Before the utility model is described in detail, be noted that in the following description book content similarly assembly represents with identical numbering.
Consult Fig. 2, the first preferred embodiment of near-field communication aerial of the present utility model comprises dielectric substrate 2, a main body Department of Radiation 3 and the one first conductor wire frame 4 with a first surface 21.
The microwave signal of main body Department of Radiation 3 in order to receive or to launch a near-field communication, and be arranged at the first surface 21 of dielectric substrate 2, and by a conductor lines Curved Continuous around forming a shaped as frame.
The first conductor wire frame 4 is closed loops of a metal, and be arranged at the first surface 21 of dielectric substrate 2, and the wherein one of main body Department of Radiation 3 and the first conductor wire frame 4 is positioned at the frame of another one at intervals, and the first conductor wire frame 4 is in order to prevent along first surface 21 and the interference of the mutual electromagnetic signal in the frame of the first conductor wire frame 4 and between outside the frame.
Illustrate in greater detail, the material of the first conductor wire frame 4 of the first better enforcement is copper, but also can be the material that iron oxygen material or ferromagnetism material etc. contain metal ingredient, and the first conductor wire frame 4 is positioned at the frame of main body Department of Radiation 3 at intervals, disturb a circuit 9 in self frame in order to intercept electromagnetic radiation that main body Department of Radiation 3 launches along the first surface 21 of dielectric substrate 2, and intercept circuit 9 radiation or conduct an electromagnetic signal that and disturb main body Departments of Radiation 3 along first surface 21.
For instance, if the first preferred embodiment is applied to contact panel, and be arranged at the position of four frames of contiguous contact panel, then the first conductor wire frame 4 just can shield the interference of the 3 pairs of contact panels of main body Department of Radiation that reduce near-field communication aerial, and the circuit that also can shield contact panel is received by main body Department of Radiation 3 along the electromagnetic signal that first surface 21 leaks out.
Consult Fig. 3 and Fig. 4, respectively the result with the HFSS simulation software generation of Ansys company, and Fig. 3 shows is the electric-field intensity distribution of first surface 21 of the dielectric substrate 2 of the first preferred embodiment, what Fig. 4 showed is after removing the first conductor wire frame 4 of the first preferred embodiment, another electric-field intensity distribution of first surface 21.From relatively can finding of Fig. 3 and Fig. 4, Electric Field Distribution shown in Figure 3 concentrates on less surface area, and Electric Field Distribution shown in Figure 4 is dispersed in larger surface area.
Consult Fig. 5, the second preferred embodiment of near-field communication aerial of the present utility model is similar to the first preferred embodiment, difference is that the first conductor wire frame 4 of the second preferred embodiment is positioned at outside the frame of main body Department of Radiation 3 at intervals, produces the phase mutual interference to intercept circuit 9 radiation or to conduct an electromagnetic signal that along first surface 21 and main body Department of Radiation 3.
Consult Fig. 6, the 3rd preferred embodiment of near-field communication aerial of the present utility model is similar to the first preferred embodiment, difference is that the 3rd preferred embodiment also comprises second a conductor wire frame 5 that is arranged at the first surface 21 of dielectric substrate 2, and main body Department of Radiation 3 is positioned at the frame of the second conductor wire frame 5 at intervals.The second conductor wire frame 5 is in order to prevent along first surface 21 and the interference of the mutual electromagnetic signal in the frame of the second conductor wire frame 5 and between outside the frame.
And, the first conductor wire frame 4 and the second conductor wire frame 5 can be separate and without electrical connection, but also can mutually be electrically connected, preferably, each metal closed loop naturally of the first conductor wire frame 4 and the second conductor wire frame 5, and jointly be electrically connected to a grounding parts (not shown).
Consult Fig. 7, the near-field communication aerial that Fig. 7 shows two the 3rd preferred embodiments is when passing, although the first conductor wire frame 4 shielding main body Departments of Radiation 3 radiation of (near the direction of Z axis) in frame, and the second conductor wire frame 5 shielding main body Departments of Radiation 3 radiation of (away from the direction of Z axis) outside frame, but one of them near-field communication aerial passes through the first conductor wire frame 4 of another near-field communication aerial and the zone 45 between the second conductor wire frame 5 from ± Z direction substantially by the first conductor wire frame 4 of comprising between self and the magnetic field between the second conductor wire frame 5, thus these two near-field communication aerials most of electromagnetic signal transmission to each other be not subjected to separately the first conductor wire frame 4 and the impact of the shielding of the second conductor wire frame 5.
Consult Fig. 8, the 4th preferred embodiment of near-field communication aerial of the present utility model is similar to the first preferred embodiment, and difference is that the 4th preferred embodiment also comprises one first filter 6 and one second filter 7.
The first filter 6 has two transmission ends 61, the second filter 7 also has two transmission ends 71, and the first conductor wire frame 4 defines one first opening 41 that frame is interior and frame is outer of a connection the first conductor wire frame 4, and have the terminal part 42 that is positioned at the first opening 41 both sides, and two terminal parts 42 of the first conductor wire frame 4 are electrically connected mutually with two transmission ends 61 of the first filter 6 respectively; The second conductor wire frame 5 also defines one second opening 51 that frame is interior and frame is outer of a connection the second conductor wire frame 5, and have the terminal part 52 that is positioned at the second opening 51 both sides, and two terminal parts 52 of the second conductor wire frame 5 are electrically connected mutually with two transmission ends 71 of the second filter 7 respectively.
Consult Fig. 9 to Figure 13, Fig. 9 to Figure 13 is respectively an equivalent circuit diagram of the first filter 6, and the second filter 7 also is the design that adopts Fig. 9 to Figure 13, but the design of the first filter 6 or the second filter 7 is not as limit.
For instance, Fig. 9 shows a kind of L shaped low pass filter, have one and be serially connected with two inductance 62 between the transmission end 61, an and electric capacity 63 that is electrically connected between ground (not shown) of one of them transmission end 61 and circuit system, inductance 62 is just larger for the induction reactance of the more signal generation of high frequency, so inductance 62 can stop high-frequency signal, electric capacity 63 is just less for the capacitive reactance of the more signal generation of high frequency, leads ground so electric capacity 63 can will be got over the signal of high frequency.Figure 10 shows a kind of π shape low pass filter, has one and is serially connected with the inductance 62 of two transmission between the end 61, and the electric capacity 63 between two ground (not shown) that are electrically connected on respectively two transmission ends 61 and circuit system.Figure 11 shows a kind of inductance filter, has one and is series at two inductance 62 between the transmission end 61.Figure 12 shows a kind of wire-wound inductor (bead) filter, and it has the resistance 64 of the internal resistance of an expression wire-wound inductor, and the inductance 62 of the inductance value of an expression wire-wound inductor.Figure 13 shows the filter of a kind of tandem compound wire-wound inductor and ceramic inductance, and the equivalent electric circuit of wire-wound inductor is a resistance 64 and an inductance 62 that is in series, and the equivalent electric circuit of ceramic inductance is another inductance 62 '.
The use of the first filter 6 and the second filter 7 is that respectively filtering the first conductor wire frame 4 and the second conductor wire frame 5(see Fig. 6) on the radio-frequency electromagnetic signal, the benefit of design is to block the induced current that the magnetic flux change of the first conductor wire frame 4 or the second conductor wire frame 5 external because of receiving (for example coming autonomous agent Department of Radiation 3) produces like this, and avoids the first conductor wire frame 4 and the second conductor wire frame 5 to produce in the frame that an electromagnetic radiation removes to disturb the first conductor wire frame 4 and the second conductor wire frame 5 because of induced current or frame main body Department of Radiation 3 or circuit 9(outward sees Fig. 8).
Consult Figure 14, the 5th preferred embodiment of near-field communication aerial of the present utility model is similar to the 4th preferred embodiment, and difference is that the 5th preferred embodiment removes the first conductor wire frame 4 and the first filter 6(that are positioned at main body Department of Radiation 3 frames and consults Fig. 8).
Consult Figure 15, the 6th preferred embodiment of near-field communication aerial of the present utility model is similar to the 4th preferred embodiment, and difference is that the 5th preferred embodiment removes the second conductor wire frame 5 and the second filter 7(that are positioned at outside main body Department of Radiation 3 frames and consults Fig. 8).
Consult Figure 16, the preferred embodiment of radio communication device of the present utility model comprises a near-field communication aerial 10 and a circuit system 8.Near-field communication aerial 10 can be any one of aforementioned the first preferred embodiment to the six preferred embodiments.Circuit system 8 can be positioned at the frame of near-field communication aerial 10, also can be positioned at outside the frame of near-field communication aerial 10, and circuit system 8 is electrically connected near-field communication aerial 10 with the microwave signal of exchange near-field communication.
Preferably, aforesaid the first conductor wire frame 4 and the second conductor wire frame 5 are electrically connected with a grounding parts 81 of circuit system 8, and the ground that is electrically connected of the electric capacity 63 of the first filter 6 and the second filter 7 is the grounding parts 81 of circuit system 8.
In sum, the first conductor wire frame 4 of these preferred embodiments and the second conductor wire frame 5 can prevent along first surface 21 and in self frame and the mutual electromagnetic signal between outside the frame disturb, and can avoid the shortcoming of prior art, so really can reach the purpose of this utility model.
The above person of thought, it only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, be simple equivalent variations and the modification that every scope according to the utility model claims and utility model description are done, all still belong to the scope that the utility model patent contains.
Claims (15)
1. near-field communication aerial, this near-field communication aerial comprises:
One dielectric substrate, this dielectric substrate has a first surface; And
One main body Department of Radiation, the microwave signal of this main body Department of Radiation in order to receive or to launch a near-field communication, and be arranged at this first surface of this dielectric substrate, and by a conductor lines Curved Continuous around forming a shaped as frame;
It is characterized in that, this near-field communication aerial also comprises one first conductor wire frame, this the first conductor wire frame is arranged at this first surface of this dielectric substrate, and the wherein one of this main body Department of Radiation and this first conductor wire frame is positioned at the frame of another one at intervals, and this first conductor wire frame in order to prevent along this first surface and in the frame of this first conductor wire frame and the mutual electromagnetic signal between outside the frame disturb.
2. near-field communication aerial according to claim 1, it is characterized in that, this near-field communication aerial comprises that also one is arranged at the second conductor wire frame of this first surface of this dielectric substrate, and this main body Department of Radiation is at intervals between this first conductor wire frame and this second conductor wire frame, and this second conductor wire frame in order to prevent along this first surface and in the frame of this second conductor wire frame and the mutual electromagnetic signal between outside the frame disturb.
3. near-field communication aerial according to claim 2 is characterized in that, this first conductor wire frame and this second conductor wire frame are electrically connected mutually.
4. near-field communication aerial according to claim 1, it is characterized in that, this near-field communication aerial comprises that also one has the first filter of two transmission ends, this the first conductor wire frame defines one first opening that frame is interior and frame is outer of this first conductor wire frame of connection, and have the terminal part that is positioned at these the first opening both sides, and these terminal parts of this first conductor wire frame are electrically connected mutually with these transmission ends of this first filter respectively.
5. near-field communication aerial according to claim 2 is characterized in that, this near-field communication aerial also comprises:
One first filter, this first filter have two transmission ends; And
One second filter, this second filter have two transmission ends;
And this first conductor wire frame defines one first opening that frame is interior and frame is outer of this first conductor wire frame of connection, and have the terminal part that is positioned at these the first opening both sides, and these terminal parts of this first conductor wire frame are electrically connected mutually with these transmission ends of this first filter respectively;
And this second conductor wire frame defines one second opening that frame is interior and frame is outer of this second conductor wire frame of connection, and have the terminal part that is positioned at these the second opening both sides, and these terminal parts of this second conductor wire frame are electrically connected mutually with these transmission ends of this second filter respectively.
6. near-field communication aerial according to claim 1 is characterized in that, this first conductor wire frame is the closed loop of a metal.
7. near-field communication aerial according to claim 2 is characterized in that, this first conductor wire frame is the closed loop of a metal, and this second conductor wire frame also is the closed loop of a metal.
8. communicator, this communicator comprises:
One near-field communication aerial, this near-field communication aerial comprises:
One dielectric substrate, this dielectric substrate has a first surface; And
One main body Department of Radiation, the microwave signal of this main body Department of Radiation in order to receive or to launch a near-field communication, and be arranged at this first surface of this dielectric substrate, and by a conductor lines Curved Continuous around forming a shaped as frame;
It is characterized in that this near-field communication aerial also comprises one first conductor wire frame, this first conductor wire frame is arranged at this first surface of this dielectric substrate, and the wherein one of this main body Department of Radiation and this first conductor wire frame is positioned at the frame of another one at intervals; And
One circuit system, this circuit system is electrically connected this near-field communication aerial, exchanging the microwave signal of this near-field communication, and this first conductor wire frame in order to prevent along this first surface and in the frame of this first conductor wire frame and the mutual electromagnetic signal between outside the frame disturb.
9. communicator according to claim 8, it is characterized in that, this near-field communication aerial comprises that also one is arranged at the second conductor wire frame of this first surface of this dielectric substrate, and this main body Department of Radiation is at intervals between this first conductor wire frame and this second conductor wire frame, and this second conductor wire frame in order to prevent along this first surface and in the frame of this second conductor wire frame and the mutual electromagnetic signal between outside the frame disturb.
10. communicator according to claim 8 is characterized in that, this circuit system also comprises a grounding parts, and this first conductor wire frame is electrically connected with this grounding parts.
11. communicator according to claim 9 is characterized in that, this circuit system also comprises a grounding parts, and this first conductor wire frame and this second conductor wire frame are electrically connected with this grounding parts.
12. communicator according to claim 8, it is characterized in that, this near-field communication aerial comprises that also one has the first filter of two transmission ends, this the first conductor wire frame defines one first opening that frame is interior and frame is outer of this first conductor wire frame of connection, and have the terminal part that is positioned at these the first opening both sides, and these terminal parts of this first conductor wire frame are electrically connected mutually with these transmission ends of this first filter respectively.
13. communicator according to claim 9 is characterized in that, this near-field communication aerial also comprises:
One first filter, this first filter have two transmission ends; And
One second filter, this second filter have two transmission ends;
And this first conductor wire frame defines one first opening that frame is interior and frame is outer of this first conductor wire frame of connection, and have the terminal part that is positioned at these the first opening both sides, and these terminal parts of this first conductor wire frame are electrically connected mutually with these transmission ends of this first filter respectively;
And this second conductor wire frame defines one second opening that frame is interior and frame is outer of this second conductor wire frame of connection, and have the terminal part that is positioned at these the second opening both sides, and these terminal parts of this second conductor wire frame are electrically connected mutually with these transmission ends of this second filter respectively.
14. communicator according to claim 8 is characterized in that, this first conductor wire frame is the closed loop of a metal.
15. communicator according to claim 9 is characterized in that, this first conductor wire frame is the closed loop of a metal, and this second conductor wire frame also is the closed loop of a metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453837 CN202772261U (en) | 2012-09-06 | 2012-09-06 | Communication device and near field communication antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453837 CN202772261U (en) | 2012-09-06 | 2012-09-06 | Communication device and near field communication antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772261U true CN202772261U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453837 Expired - Fee Related CN202772261U (en) | 2012-09-06 | 2012-09-06 | Communication device and near field communication antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836023A (en) * | 2015-04-08 | 2015-08-12 | 歌尔声学股份有限公司 | Antenna system |
| CN112398546A (en) * | 2019-08-19 | 2021-02-23 | 和硕联合科技股份有限公司 | Electronic device |
-
2012
- 2012-09-06 CN CN 201220453837 patent/CN202772261U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104836023A (en) * | 2015-04-08 | 2015-08-12 | 歌尔声学股份有限公司 | Antenna system |
| CN112398546A (en) * | 2019-08-19 | 2021-02-23 | 和硕联合科技股份有限公司 | Electronic device |
| CN112398546B (en) * | 2019-08-19 | 2022-02-11 | 和硕联合科技股份有限公司 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20190906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |