CN103151609A - Dual-band printed antenna - Google Patents
Dual-band printed antenna Download PDFInfo
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- CN103151609A CN103151609A CN2013100701435A CN201310070143A CN103151609A CN 103151609 A CN103151609 A CN 103151609A CN 2013100701435 A CN2013100701435 A CN 2013100701435A CN 201310070143 A CN201310070143 A CN 201310070143A CN 103151609 A CN103151609 A CN 103151609A
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- antenna
- radome
- metal band
- circuit board
- frequency range
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Abstract
The invention discloses a dual-band printed antenna and belongs to the technical field of communication. The dual-band printed antenna comprises an antenna base, an antenna housing and a printed circuit board, wherein the antenna base is provided with a feed terminal; the antenna housing is fixedly arranged on the antenna base; the printed circuit board is fixedly arranged in an antenna housing cavity of the antenna housing; a first metal strip and a second metal strip are formed on one side surface of the printed circuit board in a mode of printing; one end of the first metal strip is electrically connected with the base; the second metal strip is encircled by the first metal strip; and moreover, one end of the second metal strip is electrically connected with the feed terminal. According to the dual-band printed antenna disclosed by the invention, defects in the prior art are effectively remedied, and the requirements of a miniaturized dual-band communication antenna in an airborne environment can be met. The dual-band printed antenna has the advantages that the size is small, the weight is light and the aerodynamic performance is good. The dual-band printed antenna can work in two bands and has inhibiting ability on signals beyond the two bands, and therefore, the dual-band printed antenna is more adaptable to the requirements of an airborne dual-band communication system.
Description
Technical field
the invention belongs to communication technical field, be specifically related to a kind of Double frequency range printed antenna.
Background technology
vHF(30-300MHz aboard is installed) and UHF(300-3000MHz) communication system of wave band is comparatively harsh to the requirement of antenna; particularly; not only require antenna to possess higher gain; but also require to possess firm mechanical structure and good aeroperformance; for the latter; usually also require the size of antenna to dwindle as far as possible, however this requirement relatively the former high-gain require to exist the contradiction that is difficult to mediation.In addition, communication system generally wishes that the signal that antenna can be outer to the native system used band has certain inhibitory action, to improve the antijamming capability of self.
airborne communicating antenna in prior art is often only for characteristic frequency, or wider frequency coverage is provided.The characteristic frequency antenna can not meet the needs of the system in a plurality of Frequency point communications, and broad-band antenna so need the sacrificial section antenna performance, particularly can cause the decline of gain due to the characteristic that will look after in whole bandwidth, in addition, do not need the interference signal of frequency more easily to enter communication system yet.
in ground communication, double frequency or multifrequency antenna example are arranged, but, because size is large, heavy or claim quality can consider aeroperformance greatly and not, therefore, be not suitable as airborne communicating antenna and use.
Summary of the invention
task of the present invention is to provide a kind of and contributes to embody miniaturization and weight reduction, is conducive to embody desirable aeroperformance and is of value to safeguard work have good inhibition ability and use in two frequency ranges and to the signal outside two frequency ranges meet the Double frequency range printed antenna that airborne communication requires.
task of the present invention completes like this, and a kind of Double frequency range printed antenna comprises an antenna base, is provided with a current feed terminal on this antenna base; One radome, this radome is fixed on described antenna base; One printed circuit board (PCB), this printed circuit board (PCB) is fixed in the radome chamber of described radome, and the side surface at this printed circuit board (PCB) forms one first metal band and one second metal band is arranged with mode of printing, one end of the first metal band is electrically connected to base, and the second metal band is surrounded by the first metal band and an end of this second metal band is electrically connected to described current feed terminal.
in a specific embodiment of the present invention, the diameter of described radome is configured to the shape of taper cone barrel towards the narrow contracting of the direction away from antenna base from described antenna base.
in another specific embodiment of the present invention, towards an end formation of described antenna base, one abducent radome mounting flange limit is arranged at described radome, this radome mounting flange limit and antenna base are fixed.
in another specific embodiment of the present invention, form a projection is arranged on described base, this projection is corresponding with described current feed terminal, and a described end of described the first metal band is electrically connected to projection.
in another specific embodiment of the present invention, on the chamber wall in the radome chamber of described radome and the short transverse of following radome form and have one first draw-in groove and one second to be installed draw-in groove is installed, first, second installs draw-in groove keeps aspectant position relationship each other, the geometry of described printed circuit board (PCB) is trapezoidal, and this trapezoidal stub end is towards described antenna base, one side of the short transverse of this printed circuit board (PCB) is configured to inclined plane, this inclination and be placed in described second and install in draw-in groove, and the opposite side of the short transverse of printed circuit board (PCB) is configured to the vertical plane perpendicular with described stub end, this vertical plane is placed in described second and installs in draw-in groove.
also have a specific embodiment of the present invention, the shape of described the first metal band is the U font of inverted English alphabet substantially; And described the second metal band consists of jointly tilting section and zigzag section, and surrounded by the die cavity of described U font, wherein: an end of beveled end is electrically connected to described current feed terminal.
more of the present invention and, in specific embodiment, the tortuous form of described zigzag section is the E font of English alphabet substantially, and corresponding to a side of described tilting section.
in of the present invention and then specific embodiment, described current feed terminal is standard N-type coaxial fitting.
of the present invention again more and in specific embodiment, offer fixing hole on described projection, be equipped with a hold-down screw on fixing hole, described printed circuit board (PCB) is fixed by the fixing hole on described hold-down screw and projection in the position of the described end corresponding to described the first metal band.
in again of the present invention and then specific embodiment, the shape of described antenna base is rounded or oval, and the material of antenna base is aluminium, and the material of described radome is fiberglass.
technical scheme provided by the invention has made up the shortcoming in the prior art effectively, can meet the compact dual-frequency section communication antenna requirement under airborne circumstance, have advantages of that volume is little lightweight good with aeroperformance, can be operated in two frequency ranges and to the signal outside these two frequency ranges and there is the inhibition ability, thereby more adapt to the needs of airborne two-band communication system.
The accompanying drawing explanation
fig. 1 is the embodiments of the invention structure chart.
the voltage standing wave ratio curve chart of the Double frequency range printed antenna that Fig. 2 is structure shown in Fig. 1.
Embodiment
refer to Fig. 1, provided an antenna base 1, the shape of this antenna base 1 is ellipsoidal shape substantially, but also can be the shape of disc, and this antenna base 1 is preferably used aluminum material to make.Take the location status shown in current Fig. 1 as example, a side at antenna base 1 is fixed with a current feed terminal 11 in left side, and opposite side to be right side form that a projection 12 is arranged, this projection 12 is corresponding with current feed terminal 11, and offer a fixing hole 121 on this projection 12, be equipped with a hold-down screw 1211 on fixing hole 121.Aforesaid current feed terminal 11 is standard N-type coaxial fitting.
the radome 2 that preferably uses fiberglass to make is fixed on antenna base 1, the diameter of this radome 2 from antenna base 1 towards the narrow contracting and be configured to the shape of taper cone barrel gradually of the direction away from antenna base 1, and radome 2 also forms an abducent radome mounting flange limit 22 is arranged towards an end of antenna base 1, this radome mounting flange limit 22 preferably use epoxy glue or similarly adhesive seal cementation with antenna base 1.On the wall of the 21 chamber, radome chamber of radome 2 and the short transverse of following radome 2 form and to have one first draw-in groove 211 and one second to be installed draw-in groove 212 is installed, this first, second installation draw-in groove 211,212 keeps aspectant position relationship each other, that is to say 180 ° of first, second installation draw-in groove 211,212 each intervals of the circumferencial direction around radome 2.
provided a printed circuit board (PCB) 3, a side surface at this printed circuit board (PCB) 3 forms one first metal band 31 and one second metal band 32 is arranged in the mode of printing, the geometry of printed circuit board (PCB) 3 is trapezoidal, and this trapezoidal stub end is towards aforesaid antenna base 1.As shown in Figure 1, one side of the short transverse of printed circuit board (PCB) 3 is configured to inclined plane 33 towards the aforementioned first side that draw-in groove 211 is installed, this inclined plane 33 also can be described as sloping edge, and be inserted in the first installation draw-in groove 11, and the opposite side of the short transverse of printed circuit board (PCB) 3 is configured to the vertical plane 34 perpendicular with aforementioned stub end towards a side of the second installation draw-in groove 212, this vertical plane 34 also can be described as vertical edge, and inserts in the second installation draw-in groove 212.Hence one can see that, and the vertical section shape of aforesaid radome 2 is to adapt with the flat shape of printed circuit board (PCB) 3.
an end of aforesaid the first metal band 31 is electrically connected to the projection 12 on aforementioned antenna base 1 as shown in Figure 1, and an end of aforesaid the second metal band 32 is electrically connected to (by welding) with the conductor in aforesaid current feed terminal 11.Wherein: the shape of the first metal band 31 is the inverted U font in English alphabet substantially, the n shape that perhaps claims English alphabet, the second metal band 32 consists of jointly tilting section 321 and zigzag section 322, and surrounded by the first metal band 31, the second metal band 32 is positioned at the die cavity (die cavity by the U font surrounds) of the U font of the first metal band 31, and the end of tilting section 321 is electrically connected to current feed terminal 11.From the signal of Fig. 1, the tortuous form of the zigzag section 322 of the second metal band 32 is the E font of English alphabet substantially, and corresponding to a side of the length direction of tilting section 321.
as preferred scheme, the narrow contracting of the end of the tilting section of aforementioned the second metal band 32 321 can be formed to a wedge shape, so that weld with the inner wire of current feed terminal 11.
by the electromagnetic coupled of the first metal band 31 and the second metal band 32, the operating frequency of antenna is controlled.In the present embodiment, the height of aforesaid printed circuit board (PCB) 3 is 30 ㎝, and Breadth Maximum is that maximum gauge is 20 ㎝.
ask for an interview Fig. 2, this Fig. 2 shows the voltage standing wave ratio curve of the Double frequency range printed antenna of above-described embodiment structure, from diagram, can realize near the 145MHz frequency and the two-band communication requirement of 220MHz ~ 300MHz, suppress above-mentioned out-of-band interference signal simultaneously as far as possible.
Claims (10)
1.
a kind of Double frequency range printed antenna, is characterized in that comprising an antenna base (1), is provided with a current feed terminal (11) on this antenna base (1); One radome (2), this radome (2) is fixed on described antenna base (1); One printed circuit board (PCB) (3), this printed circuit board (PCB) (3) is fixed in the radome chamber (21) of described radome (2), and the side surface at this printed circuit board (PCB) (3) forms one first metal band (31) and one second metal band (32) is arranged with mode of printing, one end of the first metal band (31) is electrically connected to base (1), and the second metal band (9) is surrounded by the first metal band (31) and an end of this second metal band (32) is electrically connected to described current feed terminal (11).
2.
double frequency range printed antenna according to claim 1, is characterized in that the diameter of described radome (2) is configured to the shape of taper cone barrel towards the narrow contracting of direction away from antenna base (1) from described antenna base (1).
3.
double frequency range printed antenna according to claim 1 and 2, it is characterized in that towards an end formation of described antenna base (1), an abducent radome mounting flange limit (22) being arranged at described radome (2), this radome mounting flange limit (22) is fixing with antenna base (1).
4.
double frequency range printed antenna according to claim 1, it is characterized in that, in the upper formation of described base (1), one projection (12) is arranged, this projection (12) is corresponding with described current feed terminal (11), and a described end of described the first metal band (31) is electrically connected to projection (12).
5.
double frequency range printed antenna according to claim 1, the short transverse that it is characterized in that on the chamber wall in the radome chamber (21) of described radome (2) and following radome (2) forms has one first draw-in groove (211) and one second installation draw-in groove (212) are installed, first, second installs draw-in groove (211, 212) keep each other aspectant position relationship, the geometry of described printed circuit board (PCB) (3) is trapezoidal, and this trapezoidal stub end is towards described antenna base (1), one side of the short transverse of this printed circuit board (PCB) (3) is configured to inclined plane (33), this inclination and (33) are placed in described second and install in draw-in groove (211), and the opposite side of the short transverse of printed circuit board (PCB) (3) is configured to the vertical plane (34) perpendicular with described stub end, this vertical plane (34) is placed in described second and installs in draw-in groove (2121).
6.
double frequency range printed antenna according to claim 1, is characterized in that the shape of described the first metal band (31) is the U font of inverted English alphabet substantially; And described the second metal band (32) is by tilting section (321) and the common formation of zigzag section (322), and the die cavity by described U font surrounds, and wherein: an end of beveled end (321) is electrically connected to described current feed terminal (11).
7.
double frequency range printed antenna according to claim 6, is characterized in that the tortuous form of described zigzag section (322) is the E font of English alphabet substantially, and corresponding to a side of described tilting section (321).
8.
according to the described Double frequency range printed antenna of claim 1 or 6, it is characterized in that described current feed terminal (11) is standard N-type coaxial fitting.
9.
double frequency range printed antenna according to claim 1, it is characterized in that offering fixing hole (121) on described projection (12), be equipped with a hold-down screw (1211) on fixing hole (121), described printed circuit board (PCB) (3) is fixing with the fixing hole (121) on projection (12) by described hold-down screw (1211) in the position of the described end corresponding to described the first metal band (31).
10.
double frequency range printed antenna according to claim 1, is characterized in that the shape of described antenna base (1) is rounded or oval, and the material of antenna base (1) is aluminium, and the material of described radome (2) is fiberglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100701435A CN103151609A (en) | 2013-03-06 | 2013-03-06 | Dual-band printed antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100701435A CN103151609A (en) | 2013-03-06 | 2013-03-06 | Dual-band printed antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103151609A true CN103151609A (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100701435A Pending CN103151609A (en) | 2013-03-06 | 2013-03-06 | Dual-band printed antenna |
Country Status (1)
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| CN (1) | CN103151609A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289425A (en) * | 2016-03-31 | 2017-10-24 | 亿昶祥工业股份有限公司 | Vehicle head lamp socket with antenna |
| CN108091988A (en) * | 2016-11-23 | 2018-05-29 | 北京遥感设备研究所 | A kind of miniaturization low section ultrashort wave antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3220006A (en) * | 1961-06-05 | 1965-11-23 | Bazar | Ground plane vhf antenna comprising blade - type dipole configuration obtained by reflecting monopole in ground plane |
| US4438437A (en) * | 1981-09-14 | 1984-03-20 | Hazeltine Corporation | Dual mode blade antenna |
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled multi-band antenna |
| FR2933378A1 (en) * | 2008-07-04 | 2010-01-08 | Airbus France | Antenna mounting method for aircraft, involves inserting conducting bushing in bore before positioning screw, where bushing is electrically connected to mass of aircraft and receives screw so as to be in electrical contact with bolt |
| WO2010107349A1 (en) * | 2009-03-19 | 2010-09-23 | Saab Ab | Antenna integrated in a vehicle structure |
| CN203166077U (en) * | 2013-03-06 | 2013-08-28 | 常熟泓淋电子有限公司 | Double frequency band printed antenna |
-
2013
- 2013-03-06 CN CN2013100701435A patent/CN103151609A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3220006A (en) * | 1961-06-05 | 1965-11-23 | Bazar | Ground plane vhf antenna comprising blade - type dipole configuration obtained by reflecting monopole in ground plane |
| US4438437A (en) * | 1981-09-14 | 1984-03-20 | Hazeltine Corporation | Dual mode blade antenna |
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled multi-band antenna |
| FR2933378A1 (en) * | 2008-07-04 | 2010-01-08 | Airbus France | Antenna mounting method for aircraft, involves inserting conducting bushing in bore before positioning screw, where bushing is electrically connected to mass of aircraft and receives screw so as to be in electrical contact with bolt |
| WO2010107349A1 (en) * | 2009-03-19 | 2010-09-23 | Saab Ab | Antenna integrated in a vehicle structure |
| CN203166077U (en) * | 2013-03-06 | 2013-08-28 | 常熟泓淋电子有限公司 | Double frequency band printed antenna |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107289425A (en) * | 2016-03-31 | 2017-10-24 | 亿昶祥工业股份有限公司 | Vehicle head lamp socket with antenna |
| CN108091988A (en) * | 2016-11-23 | 2018-05-29 | 北京遥感设备研究所 | A kind of miniaturization low section ultrashort wave antenna |
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| PB01 | Publication | ||
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| C05 | Deemed withdrawal (patent law before 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130612 |