CN101179154B - Aerial - Google Patents
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- CN101179154B CN101179154B CN2006101435398A CN200610143539A CN101179154B CN 101179154 B CN101179154 B CN 101179154B CN 2006101435398 A CN2006101435398 A CN 2006101435398A CN 200610143539 A CN200610143539 A CN 200610143539A CN 101179154 B CN101179154 B CN 101179154B
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- antenna
- kink
- earth
- transfer element
- transport
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Abstract
The invention discloses an antenna, comprising a first transmission element, a second transmission element, a conduction element, a grounding element, a grounding wire and a signal wire. The conduction element is connected with the grounding element. The first transmission element is connected with the conduction element, wherein, the first transmission element comprises a first spiral structure and a first axis. The second transmission element is connected with the conduction element. The grounding wire is coupled with the grounding element. The signal wire is coupled with the conduction element at a feed-in point.
Description
Technical field
The present invention relates to a kind of antenna, particularly relate to a kind of inverted-F antenna that comprises helicoidal structure.
Background technology
With reference to Fig. 1, it shows existing antenna 10, in order to transmitting wireless signals, comprises an earth element 1, a transport element 2, a transfer element 3 and a coaxial cable 4.This transport element 2 connects this earth element 1, and this transfer element connects this transport element 2.This coaxial cable 4 couples this earth element 1 and this transport element 2.
In the prior art, owing to the length of transfer element 3 need cooperate the wavelength of wireless signal to design, therefore, the length of transfer element 3 is difficult for dwindling.Simultaneously, when needs improved impedance matching, existing antenna 10 was still needed and will be set up other impedance matching element, further increased whole volume.
Summary of the invention
A kind of antenna that the present invention promptly provides for desire solves prior art problems comprises one first transfer element, one second transfer element, a transport element, an earth element, an earth connection and a holding wire.Transport element connects this earth element.First transfer element connects this transport element, and wherein, this first transfer element comprises one first helicoidal structure and a first axle.Second transfer element connects this transport element.Earth connection couples this earth element.Holding wire couples this transport element in load point.
Use the present invention, can dwindle antenna volume, and the good signal laser propagation effect is provided simultaneously.
Description of drawings
Fig. 1 is existing antenna sketch map;
Fig. 2 a, Fig. 2 b are the antenna sketch map of first embodiment of the invention;
Fig. 3 a is the front view of first transfer element;
Fig. 3 b is the stereogram of first transfer element;
Fig. 4 is the signal transmission effect sketch map of first embodiment of the invention;
Fig. 5 a, Fig. 5 b are the variation sketch map of first embodiment of the invention;
Fig. 6 a, Fig. 6 b are the antenna sketch map of second embodiment of the invention;
Fig. 7 a is the antenna sketch map of a variation of the present invention;
Fig. 7 b is the antenna sketch map of the another variation of the present invention;
Fig. 7 c is the antenna sketch map of another variation of the present invention;
Fig. 8 a, Fig. 8 b are the antenna sketch map of third embodiment of the invention;
Fig. 9 is the signal transmission effect sketch map of third embodiment of the invention.
The main element symbol description
1～earth element
2～transport element
3～transfer element
4～coaxial cable
10～antenna
100,100 ', 200,201,202,203～antenna
110,110 '～the first transfer element
111,111 '～first axle
120,120 '～the second transfer element
130,130 '～transport element
131～the first sections portions
132～the second sections portions
The 133～three section portion
134～the first kinks
135～the second kinks
140～earth element
151～earth connection
152～holding wire
153～load point
220～the second transfer elements
221～the second axis
300～antenna
310～the first transfer elements
320～the second transfer elements
330～transport element
340～earth element
341～body
342～the 3rd kinks
343～opening
351～earth connection
352～holding wire
353～load point
Embodiment
With reference to Fig. 2 a, Fig. 2 b; It shows the antenna 100 of first embodiment of the invention; It is an inverted-F antenna, comprises one first transfer element 110, one second transfer element 120, a transport element 130, an earth element 140, an earth connection 151 and a holding wire 152.Transport element 130 comprises one first section portion 131, one second section portion 132, one the 3rd section portion 133, one first kink 134 and one second kink 135; This first section portion 131 connects this earth element 140; This first kink 134 is connected between this second section portion 132 and this first section portion 131; This second kink 135 is connected between the 3rd section portion 133 and this second section portion 132, and wherein, this first section portion 131 and the 3rd section portion 133 extend towards a first direction Y; This second section portion 132 extends towards a second direction X, and this first direction Y is perpendicular to this second direction X.First transfer element 110 connects the 3rd section portion 133, and wherein, this first transfer element 110 comprises one first helicoidal structure and a first axle 111, and this first axle 111 extends towards one third direction-X.Second transfer element 120 connects the 3rd section portion 133, and wherein, this first transfer element 120 extends towards this second direction X.Earth connection 151 couples this earth element 140.Holding wire 152 couples this transport element 130 in load point 153.In this embodiment, load point 153 is positioned at the junction of this second section portion 132 and the 3rd section portion 133, yet it does not limit the present invention, and load point 153 also can be positioned at arbitrary position of this second section portion 132 or the 3rd section portion 133.
With reference to Fig. 3 a and Fig. 3 b, it is the front view and the stereogram of first transfer element 110, and first helicoidal structure of first transfer element 110 has line footpath d, screw diameter ψ, pitch P and spiral number of turns N1 (not indicating).Through this line footpath of design adjustment d, screw diameter ψ, pitch P and spiral number of turns N1, can adjust the impedance matching of antenna 100.Simultaneously, through adjusting this line footpath d, can adjust the transmitting bandwidth of first transfer element 110.
With reference to Fig. 4, it shows the signal transmission result of the antenna 100 of first embodiment of the invention, and wherein, the line of first helicoidal structure footpath d is 0.5 millimeter, and spiral number of turns N1 is 8 circles, and pitch P is 1 millimeter, and screw diameter ψ is 2 millimeters.Can be known by Fig. 4, use antenna 100 of the present invention, to the frequency range of 2.4～2.5GHz and the frequency range of 4.9～5.83GHz, its voltage standing wave ratio (VSWR) is all less than 2.Therefore, use the present invention, can dwindle antenna volume really, and the good signal laser propagation effect is provided simultaneously.
In first embodiment, this earth element 140 can be sheet metal or tinsel, for example, and copper sheet or Copper Foil.This transport element 130 can be sheet metal or metal wire.With reference to Fig. 5 a and Fig. 5 b, it shows the antenna 100 ' of the variation of first embodiment of the invention, and wherein, transport element 130 ' is a copper cash.In another variation, this earth element and this transport element also can be formed on the circuit board.
With reference to Fig. 6 a and Fig. 6 b; It shows the antenna 200 of the second embodiment of the present invention, and its characteristics are that this second transfer element 220 comprises one second helical structure and one second axis 221; The line footpath d of second helicoidal structure is 0.5 millimeter; Spiral number of turns N2 is 2.5 circles, and pitch P is 1 millimeter, and screw diameter ψ is 2 millimeters.This second axis 221 extends towards this second direction X.
With reference to Fig. 7 a, it shows the antenna 201 of a variation of the present invention, and wherein, second transfer element is omitted, and merely with first transfer element, 110 transmission signals.
With reference to Fig. 7 b, it shows the antenna 202 of another variation of the present invention, and wherein, first transfer element 110 ' comprises a first axle 111 ', and this first axle 111 extends towards this second direction X.
With reference to Fig. 7 c, it shows the antenna 203 of another variation of the present invention, and wherein, this second transfer element 120 ' connects this transport element 130, and extends towards this third direction-X.
With reference to Fig. 8 a and Fig. 8 b, the antenna 300 that it shows third embodiment of the invention comprises one first transfer element 310, one second transfer element 320, a transport element 330, an earth element 340, an earth connection 351 and a holding wire 352.First transfer element 310 connects this transport element 330, and wherein, this first transfer element 310 comprises one first helicoidal structure.Second transfer element 320 connects this transport element 330.Earth connection 351 couples this earth element 340.Holding wire 352 couples this transport element 330 in load point 353.The characteristics of the 3rd embodiment are that earth element 340 comprises that a body 341 and one the 3rd kink, 342, the three kinks 342 are perpendicular to body 341.This transport element 330 connects the 3rd kink 342.This transport element 330 is parallel to this body 341, and this second transfer element 320 is parallel to the 3rd kink 342.Holding wire 352 connects load point 353 through the opening 343 of the 3rd kink 342.
With reference to Fig. 9, it shows the signal transmission result of the antenna 300 of third embodiment of the invention, and wherein, the line of this first helicoidal structure footpath d is 0.8 millimeter, and spiral number of turns N3 is 7 circles, and pitch P is 1.8 millimeters, and screw diameter ψ is 3 millimeters.Can be known by Fig. 9, use antenna 300 of the present invention, to the frequency range of 2.4～2.5GHz and the frequency range of 4.9～5.83GHz, its voltage standing wave ratio (VSWR) is haply all less than 2.Therefore, use the present invention, can dwindle antenna volume really, and the good signal laser propagation effect is provided simultaneously.
Though the present invention is example with the inverted-F antenna, it does not limit the present invention, and helicoidal structure design of the present invention also can be applicable among the antenna of other form.
Though in conjunction with more than concrete preferred embodiment disclosed the present invention; Yet it is not in order to limit the present invention; Anyly be familiar with this operator; Do not breaking away from the spirit and scope of the present invention, still can do some change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (18)
1. antenna comprises:
One earth element, this earth element comprise a body and a kink, and this kink connects and perpendicular to this body;
One transport element, this transport element is parallel to this body, and connects this kink;
One first transfer element connects this transport element, and wherein, this first transfer element comprises one first helicoidal structure;
One second transfer element connects this transport element, and wherein, this second transfer element is parallel to this kink;
One earth connection couples this earth element; And
One holding wire, this holding wire couples this transport element in load point.
2. antenna as claimed in claim 1 wherein, forms an opening on the one edge of this kink, the opening of this this kink of signal line passes and connect this load point.
3. antenna as claimed in claim 1, wherein, this load point is positioned at the one edge place of this transport element.
4. antenna as claimed in claim 1, wherein, this load point is on the line between this first transfer element and this second transfer element, and this line is perpendicular to this kink.
5. antenna as claimed in claim 4, wherein, this first transfer element extends with a first direction, and this second transfer element extends with a second direction, and this first direction is in contrast to this second direction.
6. antenna comprises:
One earth element, this earth element comprise that a body and is connected in the kink of this body, and this ontology definition is in a plane, and this plane is perpendicular to this kink;
One transport element, this transport element comprises a flat sections, and it is connected in this kink, and wherein this flat sections is perpendicular to this kink and be parallel to the plane by this ontology definition; And
One first transfer element connects the flat sections of this transport element, and this first transfer element comprises one first helicoidal structure, and it has a first axle,
Wherein this antenna is an inverted-F antenna.
7. antenna as claimed in claim 6, wherein, this antenna also comprises one second transfer element, and this second transfer element is defined in a plane, and this plane parallel is in this extended surface and perpendicular to this plane by this ontology definition.
8. antenna as claimed in claim 6, wherein, this earth element is a sheet metal.
9. antenna as claimed in claim 6, wherein, this earth element is a tinsel.
10. antenna as claimed in claim 6, wherein, this transport element is a sheet metal.
11. antenna as claimed in claim 6, wherein, this transport element is a metal wire.
12. antenna as claimed in claim 6, wherein, this antenna also comprises an earth connection, and this earth connection is electrically connected this earth element.
13. antenna as claimed in claim 6, wherein, this antenna also comprises a holding wire, and this holding wire is electrically connected this transport element.
14. an antenna comprises:
One earth element, this earth element comprise that a body and is connected in the kink of this body, and this ontology definition is in a plane, and this plane is perpendicular to this kink;
One earth connection is electrically connected this earth element;
One transport element comprises that one is connected in the flat sections of this kink, and this flat sections is perpendicular to this kink and be parallel to this plane by this ontology definition;
One holding wire is electrically connected on this transport element;
One first transfer element is connected in the flat sections of this transport element, and this first transfer element comprises one first helicoidal structure, and this first helicoidal structure has a first axle; And
One second transfer element.
15. antenna as claimed in claim 14, wherein, this earth element is a sheet metal.
16. antenna as claimed in claim 14, wherein, this earth element is a tinsel.
17. antenna as claimed in claim 14, wherein, this transport element is a sheet metal.
18. antenna as claimed in claim 14, wherein, this transport element is a metal wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101435398A CN101179154B (en) | 2006-11-10 | 2006-11-10 | Aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101435398A CN101179154B (en) | 2006-11-10 | 2006-11-10 | Aerial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101179154A CN101179154A (en) | 2008-05-14 |
| CN101179154B true CN101179154B (en) | 2012-11-14 |
Family
ID=39405303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101435398A Active CN101179154B (en) | 2006-11-10 | 2006-11-10 | Aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101179154B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6229489B1 (en) * | 1998-02-11 | 2001-05-08 | Ericsson Inc. | Retractable dual-band antenna system with parallel resonant trap |
| CN1441980A (en) * | 2000-06-08 | 2003-09-10 | 松下电器产业株式会社 | Antenna and radio device comprising same |
| CN1492540A (en) * | 2002-10-23 | 2004-04-28 | 启�科技股份有限公司 | Double frequency antenna |
-
2006
- 2006-11-10 CN CN2006101435398A patent/CN101179154B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6229489B1 (en) * | 1998-02-11 | 2001-05-08 | Ericsson Inc. | Retractable dual-band antenna system with parallel resonant trap |
| CN1441980A (en) * | 2000-06-08 | 2003-09-10 | 松下电器产业株式会社 | Antenna and radio device comprising same |
| CN1492540A (en) * | 2002-10-23 | 2004-04-28 | 启�科技股份有限公司 | Double frequency antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101179154A (en) | 2008-05-14 |
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