CN201226372Y - Double-frequency high-gain antenna - Google Patents
Double-frequency high-gain antenna Download PDFInfo
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- CN201226372Y CN201226372Y CN 200820005238 CN200820005238U CN201226372Y CN 201226372 Y CN201226372 Y CN 201226372Y CN 200820005238 CN200820005238 CN 200820005238 CN 200820005238 U CN200820005238 U CN 200820005238U CN 201226372 Y CN201226372 Y CN 201226372Y
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Abstract
The utility model relates to a dual-frequency high-gain antenna which comprises a signal feeding part and at least two single-frequency radiating elements. The signal feeding part is arranged at the center of an antenna substrate, is used for receiving a feeding signal and comprises a diplexer loop part; the two single-frequency radiating elements are connected with the signal feeding part and are used for radiating radio frequency signals corresponding to the first frequency value and the second frequency value of the feeding signal. The dual-frequency high-gain antenna also comprises two dual-frequency radiating elements which are symmetrically connected with the two sides of the single-frequency radiating elements and used for radiating radio frequency signals corresponding to the first frequency value of the feeding signal. Because the diplexer loop part is used for transmitting and receiving the radio frequency signals, the utility model has the characteristic of receiving/transmitting signals. The design of the single-frequency radiation section and the dual-frequency radiation section can improve the gain value of the antenna to receive/transmit signals.
Description
Technical field
The utility model relates to a kind of printed circuit board (PCB), and (Printed Circuit Board, PCB) antenna particularly relate to a kind of double frequency high-gain aerial.
Background technology
Along with the radio communication development of science and technology, the user can not limited by landform, utilize wireless telecommunication system to carry out message transmission, and antenna is one of element important in the wireless communication field, the making of antenna at present is subjected to the favor of manufacturer in the printed circuit board (PCB) mode, and it has advantages such as easy to manufacture and with low cost.
The standard of wireless transmission is by Institute of Electrical and Electronics Engineers IEEE (The Institute of Electricaland Electronics Engineers at present, IEEE) formulated, allowing the technology of wireless transmission widely be used, and the equipment of guaranteeing each manufacturers produce can both have compatible and stability.
In general radio circuit, the passive type part uses very frequent, for example, antenna, duplexer (Diplexer), high low strap is refused filter (High Low Band Stop Filter), balance-nonbalance converter (Balun), power divider (Power Divider) and coupler (Coupler) or the like, wherein antenna is for influencing one of critical elements of signal transmitting quality, along with 2.4GHz frequency band and 5GHz frequency band coexist as on the communication chip, antenna also must receive the frequency of two frequency bands simultaneously, but in general, dual-band antenna has frequency range and the not enough shortcoming and the problem that is difficult for integrating of gain.
Therefore, how to provide a kind of two-band high-gain aerial,, become one of researcher's problem to be solved to improve the signal transmitting bandwidth of dual-band antenna.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of double frequency high-gain aerial, design by Duplex circuit portion, monofrequency radiation unit and double frequency radiating element, with the yield value and the frequency range of raising antenna, and then reach the purpose that increases signal transmission distance.
To achieve these goals, the utility model provides a kind of double frequency high-gain aerial, and its characteristics are, include:
One signal feed-in part is arranged at the center position of this antenna substrate, receives a FD feed; And
At least two monofrequency radiation unit are connected with this signal feed-in part, and radiation is corresponding to a first frequency value of this FD feed and this radiofrequency signal of a second frequency value.
Above-mentioned double frequency high-gain aerial, its characteristics are that this monofrequency radiation unit is two, and this double frequency high-gain aerial also includes: two double frequency radiating elements, symmetry is connected in the both sides of this monofrequency radiation unit, and radiation is corresponding to the radiofrequency signal of the first frequency value of this FD feed.
Above-mentioned double frequency high-gain aerial, its characteristics are that described signal feed-in part is a duplexer loop portion.
Above-mentioned double frequency high-gain aerial, its characteristics be, this monofrequency radiation unit also includes first a frequency range Department of Radiation in order to this radiofrequency signal of this first frequency value of radiation.
Above-mentioned double frequency high-gain aerial, its characteristics are that this double frequency radiating element also includes one first frequency range Department of Radiation and one second frequency range Department of Radiation, respectively this radiofrequency signal of this first frequency value of radiation and this second frequency value.
Above-mentioned double frequency high-gain aerial, its characteristics are that this duplexer loop portion also includes one first signal feed-in part and a secondary signal feeding portion.
Above-mentioned double frequency high-gain aerial, its characteristics are that this monofrequency radiation unit is a dipole antenna configuration.
Above-mentioned double frequency high-gain aerial, its characteristics are that this double frequency radiating element is a dipole antenna configuration.
Above-mentioned double frequency high-gain aerial, its characteristics are that this Duplex circuit portion also includes one in order to connect the sinuous microstrip line highway section of this first signal feed-in part and this secondary signal feeding portion.
The utility model is by this double frequency high-gain aerial, transmit radiofrequency signal and received RF signal by duplexer loop portion, so that antenna has the characteristic of receipts/signalling, and the design of monofrequency radiation section and double frequency radiant section, yield value is received/sent out to the signal that also can improve antenna.
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
The antenna substrate schematic appearance of first embodiment that Fig. 1 carries for the utility model;
Fig. 2 A is the antenna substrate first surface front view of first embodiment that carries of the utility model;
Fig. 2 B is the antenna substrate second surface front view of first embodiment that carries of the utility model;
Fig. 2 C is the antenna substrate schematic appearance of second embodiment that carries of the utility model;
Fig. 2 D is the antenna substrate first surface front view of the 3rd embodiment that carries of the utility model;
Fig. 2 E is the antenna substrate first surface front view of the 4th embodiment that carries of the utility model;
Fig. 2 F is the antenna substrate first surface front view of the 5th embodiment that carries of the utility model;
Fig. 2 G is the antenna substrate first surface front view of the 6th embodiment that carries of the utility model;
Fig. 2 H is the antenna substrate first surface front view of the 7th embodiment that carries of the utility model;
Fig. 2 I is the antenna substrate first surface front view of the 8th embodiment that carries of the utility model;
Fig. 2 J is the antenna substrate first surface front view of the 9th embodiment that carries of the utility model;
Fig. 2 K is the antenna substrate second surface front view of the 9th embodiment that carries of the utility model;
Fig. 2 L is the antenna substrate first surface front view of the tenth embodiment that carries of the utility model;
Fig. 2 M is the antenna substrate first surface front view of the 11 embodiment that carries of the utility model;
Fig. 2 N is the antenna substrate first surface front view of the 12 embodiment that carries of the utility model;
Fig. 3 A is the H-polarized radiation field shape figure of first frequency range of first embodiment that carries of the utility model;
Fig. 3 B is the H-polarized radiation field shape figure of first frequency range of first embodiment that carries of the utility model;
Fig. 3 C is the H-polarized radiation field shape figure of first frequency range of first embodiment that carries of the utility model;
Fig. 3 D is the E-polarized radiation field shape figure of first frequency range of first embodiment that carries of the utility model;
Fig. 3 E is the E-polarized radiation field shape figure of first frequency range of first embodiment that carries of the utility model;
Fig. 3 F is the E-polarized radiation field shape figure of first frequency range of first embodiment that carries of the utility model;
Fig. 4 A is the H-polarized radiation field shape figure of second frequency range of first embodiment that carries of the utility model;
Fig. 4 B is the H-polarized radiation field shape figure of second frequency range of first embodiment that carries of the utility model;
Fig. 4 C is the H-polarized radiation field shape figure of second frequency range of first embodiment that carries of the utility model;
Fig. 4 D is the E-polarized radiation field shape figure of second frequency range of first embodiment that carries of the utility model;
Fig. 4 E is the E-polarized radiation field shape figure of second frequency range of first embodiment that carries of the utility model; And
Fig. 4 F is the E-polarized radiation field shape figure of second frequency range of first embodiment that carries of the utility model.
Wherein, Reference numeral:
The 10 duplexer loop 10a of portion first signal feed-in part
The 10b secondary signal feeding portion 10c microstrip line highway section of wriggling
10d duplexer loop grounding parts 11 microstriplines
11a signal feed-in part 20 monofrequency radiation unit
21 monofrequency radiation signal section 21a, the first frequency range radiation signal portion
22 monofrequency radiation grounding parts 22a, the first frequency range radiation grounding parts
30 double frequency radiating elements, 31 double frequency radiation signal portions
The 31a first frequency range radiation signal 31b of the portion second frequency range radiation signal portion
32 double frequency radiation grounding parts 32a, the first frequency range radiation grounding parts
The 32b second frequency range radiation grounding parts 100 antenna substrates
101 first surfaces, 102 second surfaces
Embodiment
Please refer to Fig. 1, the schematic appearance for the antenna substrate of the utility model first embodiment includes on antenna substrate 100: a duplexer (Diplexer) loop portion 10, two monofrequency radiation unit 20 and two double frequency radiating elements 30.
A duplexer loop portion 10, include two signal feed-in part, be respectively the first signal feed-in part 10a and secondary signal feeding portion 10b (shown in Fig. 2 A), and the first signal feed-in part 10a is connected to respectively on the corresponding sinuous microstrip line highway section 10c with secondary signal feeding portion 10b, in order to signal transmission path and signal RX path to be provided, and leach respectively by the filter circuit (not shown) and to transmit signal and received signal, wherein duplexer loop portion 10 can for example be by two filters (for example, low pass bandpass filter, the high pass bandpass filter, band pass filter or band are refused filter) constitute.
Two monofrequency radiation unit 20 are arranged at the both sides of duplexer loop portion 10 respectively, and are connected with duplexer loop portion 10 by microstripline, and in order to receive and the radiation FD feed, wherein, monofrequency radiation unit 20 is a dipole antenna configuration.
Two double frequency radiating elements 30 are connected with monofrequency radiation unit 20 by microstripline, and in order to receive and the radiation FD feed, wherein double frequency radiating element 30 is a dipole antenna configuration.
In addition, antenna is with the mode FD feed of center feed-in, characteristic with radiation field shape symmetry, and reduce feed-in loss relatively, to improve the antenna receiving-sending yield value, wherein monofrequency radiation unit 20 is connected with the mode of double frequency radiating element 30 with serial connection, by the monofrequency radiation unit 20 of change serial connection or the quantity of double frequency radiating element 30, the transmitting-receiving yield value of adjustable antenna.
Please refer to Fig. 2 A, antenna substrate first surface front view for first embodiment of the present utility model includes on the first surface 101 of antenna substrate 100: the first signal feed-in part 10a, secondary signal feeding portion 10b, wriggle microstrip line highway section 10c, monofrequency radiation signal section 21 and double frequency radiation signal portion 31.
The first signal feed-in part 10a is connected to respectively on the corresponding snake highway section 10c with secondary signal feeding portion 10b, in order to signal transmission path and signal RX path to be provided, and leach respectively by the filter circuit (not shown) and to transmit signal and received signal, on the dual-side of the snake highway section of duplexer loop portion 10 10c, respectively be connected with a monofrequency radiation signal section 21.
Monofrequency radiation signal section 21 is arranged at the both sides of duplexer loop portion 10 respectively, and is connected with duplexer loop portion 10 by microstripline 11, in order to receive and the radiation FD feed, include the first frequency range radiation signal 21a of portion, in order to radiation first frequency value (example, radiofrequency signal 5GHz).
Double frequency radiation signal portion 31, be connected with monofrequency radiation portion 20 by microstripline 11, in order to receive and the radiation FD feed, include the first frequency range radiation signal 31a of portion and the second frequency range radiation signal 31b of portion, respectively in order to radiation first frequency value (example, 5GHz) with second frequency value (example, radiofrequency signal 2.4GHz).
Please refer to Fig. 2 B, antenna substrate second surface front view for the utility model first embodiment, the second surface 102 of antenna substrate 100 is the ground plane circuit, its line pattern includes corresponding to the shape of first surface 101: duplexer loop grounding parts 10d, monofrequency radiation grounding parts 22 and double frequency radiation grounding parts 32.
Duplexer loop grounding parts 10d has a ground plane that summary is in a rectangular shape, includes two ground connection load points, and the position of corresponding first signal feed-in part 10a of difference and secondary signal feeding portion 10b is in order to provide the grounded circuit of radiofrequency signal.
Monofrequency radiation grounding parts 22 is arranged at the both sides of duplexer loop grounding parts 10d respectively, and is connected with duplexer loop grounding parts 10d by microstripline 11, includes the first frequency range radiation grounding parts 22a, and it is symmetrical in the first frequency range radiation signal 21a of portion.
Double frequency radiation grounding parts 32, be connected with monofrequency radiation grounding parts 22 by microstripline 11, include the first frequency range radiation grounding parts 32a and the second frequency range radiation grounding parts 32b, it is symmetrical in the first frequency range radiation signal 31a of portion and the second frequency range radiation signal 31b of portion respectively, wherein the first frequency range radiation signal 31a of portion and the first frequency range radiation grounding parts 32a form the first frequency range Department of Radiation, and the second frequency range radiation signal 31b of portion and the second frequency range radiation grounding parts 32b form the second frequency range Department of Radiation.
Please refer to Fig. 2 C, the antenna substrate schematic appearance for the utility model second embodiment includes on antenna substrate 100: duplexer (Diplexer) loop portion 10 and double frequency Department of Radiation 30.
A duplexer loop portion 10, include two signal feed-in part, be respectively the first signal feed-in part 10a and secondary signal feeding portion 10b, and the first signal feed-in part 10a is connected to respectively on the corresponding sinuous microstrip line highway section 10c with secondary signal feeding portion 10b, in order to signal transmission path and signal RX path to be provided, and to leach respectively by the filter circuit (not shown) and to transmit signal and received signal.
Two double frequency radiating elements 30, be connected with duplexer loop portion 10 by microstripline, in order to receive and the radiation FD feed, include the first frequency range Department of Radiation 30a and the second frequency range Department of Radiation 30b, respectively in order to radiation first frequency value (example, 2.4GHz) and second frequency value (example, radiofrequency signal 5GHz).
In addition, also can the quantity of radiating element be changed, receive/send out characteristic with the signal that changes antenna, please refer to Fig. 2 D, the antenna substrate first surface front view of the 3rd embodiment that carries for the utility model, it has a duplexer loop portion 10 and is connected with four double frequency radiating elements 31, and part-structure does not repeat them here with first embodiment; Please refer to Fig. 2 E, the antenna substrate first surface front view of the 4th embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, and be connected with four double frequency radiating elements 31 by microstripline 11, and same first embodiment of part-structure does not repeat them here; Please refer to Fig. 2 F, the antenna substrate first surface front view of the 5th embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, and is connected with two double frequency radiating elements 31 with two monofrequency radiation unit 21 respectively by microstripline 11, and same first embodiment of part-structure does not repeat them here; Please refer to Fig. 2 G, the antenna substrate first surface front view of the 6th embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, and be connected with two double frequency radiating elements 31 by microstripline 11, and same second embodiment of part-structure does not repeat them here; Please refer to Fig. 2 H, the antenna substrate first surface front view of the 7th embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, and be connected with two monofrequency radiation unit 21 by microstripline 11, and same second embodiment of part-structure does not repeat them here; Please refer to Fig. 2 I, the antenna substrate first surface front view of the 8th embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, and be connected with two monofrequency radiation unit 21 by microstripline 11, and same second embodiment of part-structure does not repeat them here.
In addition, please refer to Fig. 2 J, the antenna substrate first surface front view of the 9th embodiment that carries for the utility model, double frequency radiation signal portion 31 sees through two microstriplines 12 and is connected with monofrequency radiation portion 20, and the visual line impedance coupling of the quantity of microstripline 12 demand is done corresponding the adjustment, remainder is identical with first embodiment, does not repeat them here; Please refer to Fig. 2 K, the antenna substrate second surface front view of the 9th embodiment that carries for the utility model, double frequency radiation grounding parts 32 see through two microstriplines 12 and are connected with monofrequency radiation grounding parts 22, and same first embodiment of part-structure does not repeat them here; Please refer to Fig. 2 L, the antenna substrate first surface front view of the tenth embodiment that carries for the utility model, double frequency radiation signal portion 31 sees through two microstriplines 12 and is connected with another double frequency radiation signal portion 31 of vicinity, and the visual line impedance coupling of the quantity of microstripline 12 demand is done corresponding the adjustment, and remainder is identical with the 3rd embodiment; Please refer to Fig. 2 M, the antenna substrate first surface front view of the 11 embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, double frequency radiation signal portion 31 sees through two microstriplines 12 and is connected with another double frequency radiation signal portion 31 of vicinity, and remainder is identical with the 4th embodiment; Please refer to Fig. 2 N, the antenna substrate first surface front view of the 12 embodiment that carries for the utility model, it has the center position that a signal feed-in part 11a is arranged at antenna substrate 100, double frequency radiation signal portion 31 sees through two microstriplines 12 and is connected with monofrequency radiation signal section 21, and remainder is identical with the 5th embodiment.
Please refer to Fig. 3 A to Fig. 3 C, be the radiation field shape figure of the H-of the utility model first embodiment polarization, frequency 2.4GHz, 2.45GHz and the 2.5GHz with first frequency range does different tests respectively; Please refer to Fig. 3 D to Fig. 3 F, be the radiation field shape figure of the E-of the utility model first embodiment polarization, frequency 2.4GHz, 2.45GHz and the 2.5GHz with first frequency range does different tests respectively; Please refer to Fig. 4 A to Fig. 4 C, be the radiation field shape figure of the H-of the utility model first embodiment polarization, frequency 4.9GHz, 5.5GHz and the 5.9GHz with second frequency range does different tests respectively; Please refer to Fig. 4 D to 4F, be the V-polarized radiation field shape figure of the utility model first embodiment, frequency 4.9GHz, 5.5GHz and the 5.9GHz with second frequency range does different tests respectively.
By this double frequency high-gain aerial, transmit radiofrequency signal and received RF signal by duplexer loop portion, so that antenna has the characteristic of receipts/signalling, and the design of monofrequency radiation section and double frequency radiant section, yield value is received/sent out to the signal that also can improve antenna.
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 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 utility model claim.
Claims (10)
1, a kind of double frequency high-gain aerial is characterized in that, includes:
One signal feed-in part is arranged at the center position of this antenna substrate, receives a FD feed; And
At least two monofrequency radiation unit are connected with this signal feed-in part, and radiation is corresponding to the radiofrequency signal of the first frequency value of this FD feed.
2, double frequency high-gain aerial according to claim 1, it is characterized in that, this monofrequency radiation unit is two, this double frequency high-gain aerial also includes: two double frequency radiating elements, symmetry is connected in the both sides of this monofrequency radiation unit, and radiation is corresponding to the radiofrequency signal of the first frequency value of this FD feed and the radiofrequency signal of second frequency value.
3, double frequency high-gain aerial according to claim 2 is characterized in that, described signal feed-in part is a duplexer loop portion.
According to claim 2 or 3 described double frequency high-gain aerials, it is characterized in that 4, this monofrequency radiation unit also includes first a frequency range Department of Radiation in order to this radiofrequency signal of this first frequency value of radiation.
According to claim 2 or 3 described double frequency high-gain aerials, it is characterized in that 5, this double frequency radiating element also includes one first frequency range Department of Radiation and one second frequency range Department of Radiation, respectively this radiofrequency signal of this first frequency value of radiation and this second frequency value.
6, double frequency high-gain aerial according to claim 3 is characterized in that, this duplexer loop portion also includes one first signal feed-in part and a secondary signal feeding portion.
7, according to claim 2 a described double frequency high-gain aerial, it is characterized in that this monofrequency radiation unit is a dipole antenna configuration.
8, want 2 described double frequency high-gain aerials according to right, it is characterized in that, this double frequency radiating element is a dipole antenna configuration.
9, double frequency high-gain aerial according to claim 3 is characterized in that, this Duplex circuit portion also includes one in order to connect the sinuous microstrip line highway section of this first signal feed-in part and this secondary signal feeding portion.
10, double frequency high-gain aerial according to claim 3 is characterized in that, this monofrequency radiation unit is connected with this double frequency radiating element of vicinity by the microstripline of one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820005238 CN201226372Y (en) | 2008-03-25 | 2008-03-25 | Double-frequency high-gain antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820005238 CN201226372Y (en) | 2008-03-25 | 2008-03-25 | Double-frequency high-gain antenna |
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| Publication Number | Publication Date |
|---|---|
| CN201226372Y true CN201226372Y (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200820005238 Expired - Fee Related CN201226372Y (en) | 2008-03-25 | 2008-03-25 | Double-frequency high-gain antenna |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681969A (en) * | 2015-02-04 | 2015-06-03 | 常熟泓淋电子有限公司 | Hybrid radiator antenna structure |
| CN104752842A (en) * | 2015-03-03 | 2015-07-01 | 林伟 | Wide-frequency antenna transceiver array |
| CN104795630A (en) * | 2015-04-24 | 2015-07-22 | 普联技术有限公司 | Dual-band omnidirectional WIFI (wireless fidelity) antenna |
| CN105490007A (en) * | 2016-01-07 | 2016-04-13 | 常熟市泓博通讯技术股份有限公司 | High-gain multiwire antenna for unmanned aerial vehicle |
| CN106684564A (en) * | 2016-12-09 | 2017-05-17 | 上海斐讯数据通信技术有限公司 | High-gain antenna |
-
2008
- 2008-03-25 CN CN 200820005238 patent/CN201226372Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681969A (en) * | 2015-02-04 | 2015-06-03 | 常熟泓淋电子有限公司 | Hybrid radiator antenna structure |
| CN104752842A (en) * | 2015-03-03 | 2015-07-01 | 林伟 | Wide-frequency antenna transceiver array |
| CN104752842B (en) * | 2015-03-03 | 2017-08-11 | 林伟 | The antenna transmitting-receiving array of wideband |
| CN104795630A (en) * | 2015-04-24 | 2015-07-22 | 普联技术有限公司 | Dual-band omnidirectional WIFI (wireless fidelity) antenna |
| CN105490007A (en) * | 2016-01-07 | 2016-04-13 | 常熟市泓博通讯技术股份有限公司 | High-gain multiwire antenna for unmanned aerial vehicle |
| CN106684564A (en) * | 2016-12-09 | 2017-05-17 | 上海斐讯数据通信技术有限公司 | High-gain antenna |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20090422 Termination date: 20110325 |