CN2884555Y - Single-frequency antenna having 3-D structure - Google Patents
Single-frequency antenna having 3-D structure Download PDFInfo
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- CN2884555Y CN2884555Y CN 200520130396 CN200520130396U CN2884555Y CN 2884555 Y CN2884555 Y CN 2884555Y CN 200520130396 CN200520130396 CN 200520130396 CN 200520130396 U CN200520130396 U CN 200520130396U CN 2884555 Y CN2884555 Y CN 2884555Y
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- radiation
- department
- connecting portion
- band antenna
- stereochemical structure
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Abstract
The utility model discloses a solid-structure single-frequency antenna. The utility model comprises a first radiation part, a grounding surface, a first connection part which connects the first radiation part and the grounding surface, a second connection part which is at the same side of the first radiation part with the first connection part and connects the first connection part and the grounding surface, a second radiation part which is at the same side of the first radiation part with the first connection part and connects the first radiation part to radiate and / or receive a radio-frequency signal. The solid-structure single-frequency antenna which is released by the embodiments of the utility model can solve the common issues on the antenna signal intensity in the vertical direction, i.e. horizontal-level vertical polarization electric-field intensity.
Description
Technical field
The utility model relates to the single-band antenna of a kind of antenna, particularly a kind of stereochemical structure.
Background technology
The fast development of wireless communication technology and semiconductor technology in recent years makes radio communication become the essential of life.Wireless communication system is made up of transmitter/receiver and antenna, and wherein antenna is the conversion of being responsible for electromagnetic energy in circuit and the air, is one of spare part important in the communication system.Because the downsizing and the wide demand of multifrequency of electronic product, make Antenna Design towards downsizing, simplify the structure and the technique direction development of multifrequency or wideband.
Because WLAN (Wireless Local Area Networks, WLANs) technical development is healed and is become ripe, except making running gear, for example mobile computer connect to network more convenient outside, make that for example printer, projector, scanner, microphone system or the like also develop towards wireless penetration the interface equipment relevant with computer gradually.
Running gear generally all is to utilize wireless network to link world-wide web, mostly is the employing pcmcia interface, and its area is slightly larger than credit card, and it is to insert in the running gear in a horizontal manner.Owing to have it restricted on its service orientation, therefore, the wireless network calorie requirement of this type receives at specific signal or direction of transfer designs especially, to improve the perpendicular polarization electric field strength of antenna horizontal plane.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of stereochemical structure single-band antenna, to solve existing in prior technology problem or shortcoming.
Include one first Department of Radiation according to the disclosed stereochemical structure single-band antenna of embodiment of the present utility model; One ground plane; One first connecting portion connects first Department of Radiation and ground plane; One second connecting portion with first connecting portion the same side in first Department of Radiation, connects first Department of Radiation and ground plane; And one second Department of Radiation, with first connecting portion the same side, be connected in first Department of Radiation, with radiation and/or receive a radiofrequency signal in first Department of Radiation.
According to the disclosed stereochemical structure single-band antenna of embodiment of the present utility model, wherein first Department of Radiation, second Department of Radiation, first connecting portion, second connecting portion and ground plane are one of the forming.
According to the disclosed stereochemical structure single-band antenna of embodiment of the present utility model, can solve the problem of signal strength signal intensity on the general antenna vertical direction, also be the perpendicular polarization electric field strength of horizontal plane.
Above about the utility model content explanation and the explanation of following execution mode be in order to demonstration with explain principle of the present utility model, and provide Patent right requirement of the present utility model further to explain.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the structure chart of the disclosed stereochemical structure single-band antenna of embodiment of the present utility model;
Fig. 2 is another embodiment of stereochemical structure single-band antenna disclosed in the utility model;
Fig. 3 is the feedback loss of stereochemical structure single-band antenna disclosed in the utility model;
Fig. 4 is the standing-wave ratio of stereochemical structure single-band antenna disclosed in the utility model;
Fig. 5 is the perpendicular polarization electric field strength of the XZ face of stereochemical structure single-band antenna disclosed in the utility model;
Fig. 6～Fig. 9 be stereochemical structure single-band antenna disclosed in the utility model in the operational frequency bands of 4.96GHz ~ 5.91GHz, the perpendicular polarization electric field strength on the x-z plane of 5.15GHz, 5.35GHz, 5.55GHz, 5.725GHz and 5.85GHz;
Figure 10～Figure 14 be stereochemical structure single-band antenna disclosed in the utility model in the operational frequency bands of 4.96GHz ~ 5.91GHz, the perpendicular polarization electric field strength on the x-y plane of 5.15GHz, 5.35GHz, 5.55GHz, 5.725GHz and 5.85GHz.
Wherein, Reference numeral:
10: the stereochemical structure single-band antenna
11: the first Departments of Radiation
12: ground plane
13: the first connecting portions
14: the second connecting portions
15: the second Departments of Radiation
16: feeding portion
17: opening
20: circuit board
21: the radiofrequency signal processing module
22: bus
Embodiment
For making the purpose of this utility model, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
Structure chart about the disclosed stereochemical structure single-band antenna of embodiment of the present utility model please refer to Fig. 1, and the stereochemical structure single-band antenna 10 shown in the figure includes one first Department of Radiation 11, a ground plane 12, one first connecting portion 13, one second connecting portion 14 and one second Department of Radiation 15.
First connecting portion 13 connects first Department of Radiation 11 and ground plane 12.Second connecting portion 14 is positioned at the same side of ground plane 12 with first connecting portion 13, and connects first Department of Radiation 11 and ground plane 12.First Department of Radiation 11 is dull and stereotyped rectangle, and ground plane 12 is dull and stereotyped rectangle.
Second Department of Radiation 15 is positioned at the same side of ground plane 12 with first connecting portion 13, is connected in first Department of Radiation 11, with radiation and/or receive a radiofrequency signal.Second Department of Radiation 15 is dull and stereotyped rectangle, and a side that is close to ground plane 12 is formed with a feeding portion 16, the second ground planes 12 and is formed with an opening 17 near the position of feeding portions 16.
First connecting portion 13 is a strip, and second connecting portion 14 is a strip.As shown in FIG., the length of first connecting portion 13 is rough identical with the length 14 of second connecting portion.Simultaneously can adjust matched impedance and applicable frequency range by the width of adjusting first connecting portion 13 and second connecting portion 14.
First Department of Radiation 11, ground plane 12, first connecting portion 13, second connecting portion 14 and second Department of Radiation 15 form with metal material.In one embodiment, the mode of being formed in one forms.In another embodiment, also can connect these parts by welding manner.
Please refer to Fig. 2, be another embodiment of stereochemical structure single-band antenna disclosed in the utility model, be applied to the device of plug-in card bus 22 (cardbus) and so on, for example wireless network card.As shown in the figure, stereochemical structure single-band antenna 10 disclosed in the utility model is arranged on the circuit board 20, one radiofrequency signal processing module 21 is arranged on the circuit board 20 in addition, in order to handle and the radiofrequency signal that transmits via stereochemical structure single-band antenna 10 or received by stereochemical structure single-band antenna 10, this is outside equipped with a bus 21, pcmcia bus for example, in order to a messaging device that connects, for example computer or similarly device.
Feedback loss about stereochemical structure single-band antenna disclosed in the utility model please refer to Fig. 3, by the data among the figure as can be known, stereochemical structure single-band antenna disclosed in the utility model (4.96GHz ~ 5.91GHz) can meet the requirement of antenna in operational frequency bands about the feedback loss.Standing-wave ratio (VSWR) about stereochemical structure single-band antenna disclosed in the utility model please refer to Fig. 4.The antenna gain on x-z plane please refer to Fig. 5.
About stereochemical structure single-band antenna disclosed in the utility model in that (the field pattern figure of the operational frequency bands of 4.96GHz ~ 5.91GHz) please refer to Fig. 6 to Figure 14.
In the operational frequency bands of 4.96GHz ~ 5.91GHz, the horizontal polarization electric field strength on the x-z plane of 5.15GHz, 5.35GHz, 5.725GHz and 5.85GHz please refer to Fig. 6 to Fig. 9, by among the figure as can be known, the perpendicular polarization electric field strength on x-z plane is very good.
In the operational frequency bands of 4.96GHz ~ 5.91GHz, 5.15GHz, the perpendicular polarization electric field strength on the x-y plane of 5.35GHz, 5.55GHz, 5.725GHz and 5.85GHz please refer to Figure 10 to Figure 14, by among the figure as can be known, the perpendicular polarization electric field strength on x-y plane is very good.
The utility model main purpose is in the electric field strength of the perpendicular polarization of improving the antenna horizontal plane, electric field strength by the perpendicular polarization of the horizontal plane of the stereochemical structure single-band antenna disclosed in the utility model as can be known of data among the figure is very good, can effectively be applied to wireless network card.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (12)
1. a stereochemical structure single-band antenna is characterized in that, includes:
One first Department of Radiation;
One ground plane;
One first connecting portion connects this first Department of Radiation and this ground plane;
One second connecting portion, with this first connecting portion in the same side of this first Department of Radiation, connect this first Department of Radiation and this ground plane; And
One second Department of Radiation, with this first connecting portion in the same side of this first Department of Radiation, be connected in this first grounding parts, with radiation and/or receive a radiofrequency signal.
2. stereochemical structure single-band antenna according to claim 1 is characterized in that, this first Department of Radiation, this second Department of Radiation, this first connecting portion, this second connecting portion and this ground plane are one of the forming.
3. stereochemical structure single-band antenna according to claim 1 is characterized in that, this first connecting portion is its length parts identical with the length of this second connecting portion.
4. stereochemical structure single-band antenna according to claim 1 is characterized in that, this Department of Radiation is dull and stereotyped rectangular configuration.
5. stereochemical structure single-band antenna according to claim 4 is characterized in that, the side that this Department of Radiation is close to this second ground plane is formed with a feeding portion.
6. stereochemical structure single-band antenna according to claim 5 is characterized in that, this ground plane is formed with an opening near the position of this feeding portion.
7. stereochemical structure single-band antenna according to claim 1 is characterized in that, this first Department of Radiation is dull and stereotyped rectangular configuration.
8. stereochemical structure single-band antenna according to claim 1 is characterized in that, this ground plane is dull and stereotyped rectangular configuration.
9. stereochemical structure single-band antenna according to claim 1 is characterized in that, this first connecting portion is the strip structure.
10. stereochemical structure single-band antenna according to claim 1 is characterized in that, this second connecting portion is the strip structure.
11. stereochemical structure single-band antenna according to claim 1 is characterized in that, this first Department of Radiation, this ground plane, this first connecting portion, this second connecting portion and this second Department of Radiation are arranged on the circuit board.
12. stereochemical structure single-band antenna according to claim 11 is characterized in that, this circuit board also includes one and is arranged at bus and on this circuit board and is arranged on this circuit board and in order to handle the radiofrequency signal processing module of radiofrequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520130396 CN2884555Y (en) | 2005-10-31 | 2005-10-31 | Single-frequency antenna having 3-D structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520130396 CN2884555Y (en) | 2005-10-31 | 2005-10-31 | Single-frequency antenna having 3-D structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2884555Y true CN2884555Y (en) | 2007-03-28 |
Family
ID=37957607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520130396 Expired - Fee Related CN2884555Y (en) | 2005-10-31 | 2005-10-31 | Single-frequency antenna having 3-D structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2884555Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111201665A (en) * | 2017-10-10 | 2020-05-26 | 原田工业株式会社 | Vehicle body embedded antenna device |
-
2005
- 2005-10-31 CN CN 200520130396 patent/CN2884555Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111201665A (en) * | 2017-10-10 | 2020-05-26 | 原田工业株式会社 | Vehicle body embedded antenna device |
| CN111201665B (en) * | 2017-10-10 | 2021-05-18 | 原田工业株式会社 | Vehicle body embedded antenna device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070328 Termination date: 20091130 |