CN101098041B - Airborne ultra-short wave antenna - Google Patents
Airborne ultra-short wave antenna Download PDFInfo
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- CN101098041B CN101098041B CN2007100179986A CN200710017998A CN101098041B CN 101098041 B CN101098041 B CN 101098041B CN 2007100179986 A CN2007100179986 A CN 2007100179986A CN 200710017998 A CN200710017998 A CN 200710017998A CN 101098041 B CN101098041 B CN 101098041B
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- resistance
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- wave antenna
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Abstract
The invention discloses an airborne ultra-short wave antenna, comprising a radiator, an equivalent inductance, a chassis and a feed opening, arranged on a copper-covered board, wherein the copper-covered board is fixed on the metal chassis, the chassis is fixed with the feed opening. The invention is characterized in further composed of a resistance-capacitance couple wire, a shield box, a short-circuit wire and an arrester, wherein the resistance-capacitance couple wire is composed of serially connected a high-frequency feed line and a resistance, one end of core line of the high-frequency feed line is electrically connected with the radiator, while another end is connected with the chassis via a resistance, the arrester is electrically connected with the radiator and the copper-covered board connected with earth, the short-circuit wire is electrically connected with the C-shape middle section of the equivalent inductance and the radiator, the back of the chassis is fixed with the shield box to be sealed by a box cover 4, a match resistance in the shield box is composed of two parallel connected high-power ceramic chip non-inductive resistances, while one end of the two resistances is connected with earth and another end via a wire is electrically connected with the welding point of the equivalent inductance. The invention uses parallel connected high-power resistances and heat-radiation shield box, therefore, antenna can continuous emit signal for 30min at high increment and 100W.
Description
Technical field
The present invention relates to a kind of airborne ultra-short wave antenna.
Background technology
With reference to Fig. 5, known 506-3 type airborne ultra-short wave antenna is to reserve radiant body 2 by corrosion in copper-clad plate, radiant body 2 accounts for more than 90% of copper-clad plate area, the lower end of radiant body 2 is " C " shape structures, the left side of copper-clad plate, below reserve " L " shape equivalent inductance 8 by corrosion, " L " shape of equivalent inductance 8 is horizontal to go out the groove that part is inserted radiant body 2 " fall C " shape structure, radiant body 2 is electrically connected by build-out resistor 7 with equivalent inductance 8, and build-out resistor 7 is several small-power resistance that are in parallel; Copper-clad plate is connected on the metal chassis 6, be fixed with feed mouth 11 on the chassis 6, the distributing point 12 of radiant body 2 ends is electrically connected with the heart yearn of feed mouth 11 by the heart yearn of high-frequency feed line, and the feed earth point 14 on the equivalent inductance 8 is electrically connected with the shell of feed mouth 11 by the rubber-insulated wire of high-frequency feed line.
Above-mentioned airborne ultra-short wave antenna is adjusted standing-wave ratio simultaneously by adjusting build-out resistor 7 debugging frequency band spreadings, and the trim voltage standing-wave ratio is transferred coupling with equivalent inductance, power≤25W, and gain: 30～88MHz 〉=-30dBi; 108～174MHz 〉=-9dBi; 225～400MHz 〉=-1dBi.Launch time is less than 1min.
Summary of the invention
The deficiency that the prior art transmitting power is little in order to overcome, the time is short the invention provides a kind of airborne ultra-short wave antenna, by designs such as increase capacitance-resistance coupling lines, can increase transmitting power, increases launch time.
The technical solution adopted for the present invention to solve the technical problems: a kind of airborne ultra-short wave antenna, comprise radiant body, equivalent inductance, chassis and feed mouth in the copper-clad plate, copper-clad plate is connected on the metal chassis, be fixed with the feed mouth on the chassis, be characterized in also comprising capacitance-resistance coupling line, shielding box, short-circuit line and lightning arrester, described capacitance-resistance coupling line is composed in series by high-frequency feed line and resistance, and heart yearn one end of high-frequency feed line is electrically connected on the radiant body, and the other end is connected on the chassis by resistance; Described lightning arrester is electrically connected in the copper-clad plate of radiant body and ground connection; Come equivalent capacity with open-circuit line; The back side, described chassis is fixed with shielding box.
The invention has the beneficial effects as follows:, make entire antenna power bear 100W owing to adopt the resistance parallel connection of two 60W resistance 240 Ω ± 2; The shielding box that will dispel the heat on the structure connects with the chassis, can dispel the heat by the chassis, make antenna at emission 80-120W power, launch 30min continuously and be unlikely and use that electrical property damages in the frequency range.Simultaneously, the outer band pass filter that suppresses of band is housed in the heat radiation shielding box, is connected debugging antenna whole matching with radiant body, play the outer effect that suppresses of band, and improved gain in the band.
Below in conjunction with drawings and Examples the present invention is elaborated.
Description of drawings
Fig. 1 is the structural representation of airborne ultra-short wave antenna embodiment 1 of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation of airborne ultra-short wave antenna embodiment 2 of the present invention.
Fig. 4 is the B-B cutaway view of Fig. 3.
Fig. 5 is the structural representation of background technology airborne ultra-short wave antenna.
Among the figure, 1-capacitance-resistance coupling line, 2-radiant body, 3-resistance, 4-shielding box cover, 5-shielding box, 6-chassis, 7-build-out resistor, 8-equivalent inductance, 9-solder joint, 10-lightning arrester, 11-feed mouth, 12-distributing point, 13-open-circuit line, 14-feed earth point, 15-band pass filter.
Embodiment
Embodiment 1: with reference to Fig. 1～2, present embodiment comprises capacitance-resistance coupling line 1, shielding box 5 and the lightning arrester 10 of a 220mm, airborne ultra-short wave antenna is to reserve radiant body 2 by corrosion in copper-clad plate, radiant body 2 accounts for more than 90% of copper-clad plate area, the left side of copper-clad plate, below reserve " C " shape equivalent inductance 8 by corrosion, the termination and the radiant body 2 of equivalent inductance 8 are connected as a single entity, and another termination is electrically connected a end with build-out resistor 7 by solder joint 9; Build-out resistor 7 is in parallel by two high-power ceramics noninductive resistances of 240 special Ω and forms, and an end is connected electrically on the shielding box 5.Single ceramics noninductive resistance power is 60W, and back in parallel power reaches more than the 100W.
Build-out resistor 7 is the ceramics noninductive resistance of 70W, resistance 270 Ω with overpower also, and effect is fine.
Copper-clad plate is connected on the metal chassis 6, is fixed with feed mouth 11 on the chassis 6, and the distributing point 12 of radiant body 2 ends is electrically connected by the heart yearn of lead with feed mouth 11.
Be fixed with shielding box 5 at the back side of metal chassis 6, the length of shielding box 5: 73mm, wide: 25, height: 17mm, error is positive and negative 1mm, obturages with lid 4 on the shielding box 5.Shielding box 5 is 28mm near the outer rim of the feed mouth 11 1 ends distance at the pit of the stomach in the feed mouth 11.2 the 240 high-power ceramics noninductive resistances of Ω are arranged in the shielding box 5, and back in parallel one end ground connection, the other end are electrically connected on 9 of the solder joints on the equivalent inductance 8 by lead, and its effect is frequency band spreading and increases power capacity.
Capacitance-resistance coupling line 1 is composed in series by high-frequency feed line and resistance 3, and heart yearn one end of high-frequency feed line is electrically connected on the radiant body 2, and the other end is connected on the chassis 6 by resistance 3.Resistance 3 is that power is that 25w, resistance are the noninductive resistance of 110 Ω, an end of resistance 3 is connected with screw and chassis 6 on the technology, the other end is bonded on the copper clad plate with taking advantage of a situation after the heart yearn of high-frequency feed line is connected, and its effect is a voltage standing wave ratio of adjusting whole frequency, improves gain simultaneously.
In the debug process, resistance 3 is that 30w, resistance are the noninductive resistance of 180 Ω with overpower also, and effect is fine.
Be connected a lightning arrester 10 in the copper-clad plate of radiant body 2 and copper-clad plate lower right corner ground connection, improved the lightning protection effect of antenna effectively.
Stage casing equivalent inductance 8 " C " shape is connected to come equivalent capacity with radiant body 2 usefulness open-circuit lines 13.Open-circuit line 13 usefulness high-frequency feed line are made, and the heart yearn of high-frequency feed line is connected on the equivalent inductance 8, and the rubber-insulated wire of high-frequency feed line is connected on the radiant body 2, adjust the distributed current of radiant body by the length that changes open-circuit line 13, reduce energy loss, improve gain, and the trim voltage standing-wave ratio.
The generation heat that antenna is launched 30min continuously dispels the heat by chassis 6 and aluminum shielding box 5.Resistance or the length that changes open-circuit line 13 of voltage standing wave ratio by changing resistance 3 is transferred in whole frequency.
After antenna mount was transferred and to be finished, through actual measurement, transmitting power 100.8W can launch 〉=30min continuously, and technical indicator is as follows: the gain at frequency range 30～88MHz, 108～174MHz, 225～400MHz is respectively: 30～88MHz 〉=-25dBi; 108～174MHz 〉=-5dBi; 225～400MHz 〉=-1dBi standing-wave ratio≤2.2:1.
Embodiment 2: with reference to Fig. 1～2, present embodiment comprises capacitance-resistance coupling line 1, shielding box 5 and the lightning arrester 10 of a 240mm, airborne ultra-short wave antenna is to reserve radiant body 2 by corrosion in copper-clad plate, radiant body 2 accounts for more than 90% of copper-clad plate area, the left side of copper-clad plate, below reserve " C " shape equivalent inductance 8 by corrosion, the termination and the radiant body 2 of equivalent inductance 8 are connected as a single entity, and another termination is electrically connected a end with build-out resistor 7 by solder joint 9; Build-out resistor 7 is in parallel by two high-power ceramics noninductive resistances of 120 special Ω and forms, and an end is connected electrically on the shielding box 5.
Copper-clad plate is connected on the metal chassis 6, is fixed with feed mouth 11 on the chassis 6, and the distributing point 12 of radiant body 2 ends is electrically connected by the heart yearn of lead with feed mouth 11.
Be fixed with shielding box 5 at the back side of metal chassis 6, the length of shielding box 5: 100mm, wide: 25, height: 32mm, error is positive and negative 1mm, obturages with lid 4 on the shielding box 5, lid 4 is designed to the multiple-piece structure, can dispel the heat better.Shielding box 5 is 24mm near the outer rim of the feed mouth 11 1 ends distance at the pit of the stomach in the feed mouth 11.Shielding box 5 is the upper and lower cavity structure, the high-power ceramics noninductive resistance of two 40w, 120 Ω is arranged in its epicoele, back in parallel one end ground connection, the other end are electrically connected on 9 of the solder joints on the equivalent inductance 8 by lead, its cavity of resorption is wide to be: 20.5 ± 1mm, interior dress band pass filter 15, cavity is a partition-type up and down, can solve the phase mutual interference of capacitance resistance component like this, play shielding action, improve the gain of 108～400MHz in the band.
Capacitance-resistance coupling line 1 is composed in series by high-frequency feed line and resistance 3, and heart yearn one end of high-frequency feed line is welded to resistance 3, and the other end is unsettled.Resistance 3 be that power is that 40w, resistance are the noninductive resistance of 240 Ω, an end of resistance 3 is connected with screw and chassis 6 on the technology, the other end is bonded on the copper clad plate with taking advantage of a situation after the heart yearn of high-frequency feed line is connected, and its effect is a voltage standing wave ratio of adjusting whole frequency, improves gain simultaneously.
Be connected a lightning arrester 10 in the copper-clad plate of radiant body 2 and copper-clad plate lower right corner ground connection.
Stage casing equivalent inductance 8 " C " shape is connected to come equivalent capacity with radiant body 2 usefulness open-circuit lines 13.Adjust the distributed current of radiant body by the length that changes open-circuit line 13, reduce energy loss, improve gain, and the trim voltage standing-wave ratio.
The generation heat that antenna is launched 30min continuously dispels the heat by chassis 6 and aluminum shielding box 5.Resistance or the length that changes open-circuit line 13 of voltage standing wave ratio by changing resistance 3 is transferred in whole frequency.
After antenna mount was transferred and to be finished, through actual measurement, transmitting power 〉=100W can launch 〉=30min continuously, and technical indicator is as follows: the gain at frequency range 108～174MHz, 225～400MHz is respectively: 108～174MHz 〉=-1.8dBi; 225～400MHz 〉=+4.5dBi.Standing-wave ratio≤2.2:1.Band is outer to be suppressed: 2～30MHz 〉=50dB; 900～1500MHz 〉=30dB.
Claims (9)
1. airborne ultra-short wave antenna, comprise radiant body, chassis and feed mouth in the copper-clad plate, copper-clad plate is connected on the metal chassis, be fixed with the feed mouth on the chassis, " L " shape equivalent inductance is reserved by corrosion in the lower left of copper-clad plate, it is characterized in that: also comprise capacitance-resistance coupling line, shielding box, open-circuit line and lightning arrester, described capacitance-resistance coupling line is composed in series by high-frequency feed line and resistance, heart yearn one end of high-frequency feed line is electrically connected on the radiant body, and the other end is connected on the chassis by resistance; Described lightning arrester is electrically connected in the copper-clad plate of radiant body and ground connection; Come equivalent capacity with open-circuit line; The back side, described chassis is fixed with shielding box.
2. airborne ultra-short wave antenna according to claim 1 is characterized in that: described resistance is noninductive resistance, power: 25～40w, resistance: 110～240 Ω.
3. airborne ultra-short wave antenna according to claim 1, it is characterized in that: described open-circuit line is made of high-frequency feed line, the heart yearn of making the high-frequency feed line of described open-circuit line is connected on the equivalent inductance, and the rubber-insulated wire of making the high-frequency feed line of described open-circuit line is connected on the radiant body.
4. airborne ultra-short wave antenna according to claim 1, it is characterized in that: build-out resistor is housed in the described shielding box and obturages with lid, build-out resistor is composed in parallel by two high-power ceramics noninductive resistances, and an end ground connection after two resistance parallel connections, the other end are electrically connected on the solder joint on the equivalent inductance by lead.
5. airborne ultra-short wave antenna according to claim 4 is characterized in that: described build-out resistor power: 50～70w, resistance: 120～270 Ω.
6. airborne ultra-short wave antenna according to claim 1, it is characterized in that: described shielding box is the upper and lower cavity structure, cavity is a partition-type up and down, its epicoele is equipped with build-out resistor and obturages with lid, build-out resistor is composed in parallel by two high-power ceramics noninductive resistances, and an end ground connection after two resistance parallel connections, the other end are electrically connected on the solder joint on the equivalent inductance by lead; Its cavity of resorption is equipped with band pass filter, and the input of band pass filter is connected with the heart yearn of feed mouth by the heart yearn of high-frequency feed line, and the output of band pass filter is connected on the distributing point by the heart yearn of high-frequency feed line, the rubber-insulated wire ground connection of high-frequency feed line.
7. airborne ultra-short wave antenna according to claim 6 is characterized in that: described band pass filter is seven grades of band pass filters.
8. airborne ultra-short wave antenna according to claim 6 is characterized in that: described lid is the multiple-piece structure.
9. according to claim 1 or 4 or 6 arbitrary described airborne ultra-short wave antennas, it is characterized in that: described shielding box, the outer rim of its close feed mouth one end is 24～28mm to the distance at feed mouth center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100179986A CN101098041B (en) | 2007-06-05 | 2007-06-05 | Airborne ultra-short wave antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100179986A CN101098041B (en) | 2007-06-05 | 2007-06-05 | Airborne ultra-short wave antenna |
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| Publication Number | Publication Date |
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| CN101098041A CN101098041A (en) | 2008-01-02 |
| CN101098041B true CN101098041B (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2007100179986A Expired - Fee Related CN101098041B (en) | 2007-06-05 | 2007-06-05 | Airborne ultra-short wave antenna |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104377443A (en) * | 2014-11-10 | 2015-02-25 | 昆山联滔电子有限公司 | Antenna |
| FR3054934B1 (en) * | 2016-08-03 | 2019-07-05 | Airbus Operations | SYSTEM FOR TRANSMITTING AND / OR RECEIVING ELECTROMAGNETIC WAVES ON BOARD IN AN AIRCRAFT |
| CN110299602B (en) * | 2019-06-24 | 2022-03-15 | 陕西飞机工业（集团）有限公司 | Mounting structure of hidden short wave antenna |
| CN113571912B (en) * | 2021-06-21 | 2022-07-12 | 西安电子科技大学 | Airborne ultrashort wave antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958164A (en) * | 1986-04-09 | 1990-09-18 | Shakespeare Company | Low profile, broad band monopole antenna |
| US5603098A (en) * | 1995-04-21 | 1997-02-11 | Motorola, Inc. | Integrated radiating and coupling device for duplex communications |
| CN1745499A (en) * | 2003-02-04 | 2006-03-08 | 皇家飞利浦电子股份有限公司 | Planar high-frequency or microwave antenna |
| CN1877909A (en) * | 2005-06-10 | 2006-12-13 | 鸿富锦精密工业（深圳）有限公司 | Dual-frequency antenna |
-
2007
- 2007-06-05 CN CN2007100179986A patent/CN101098041B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4958164A (en) * | 1986-04-09 | 1990-09-18 | Shakespeare Company | Low profile, broad band monopole antenna |
| US5603098A (en) * | 1995-04-21 | 1997-02-11 | Motorola, Inc. | Integrated radiating and coupling device for duplex communications |
| CN1745499A (en) * | 2003-02-04 | 2006-03-08 | 皇家飞利浦电子股份有限公司 | Planar high-frequency or microwave antenna |
| CN1877909A (en) * | 2005-06-10 | 2006-12-13 | 鸿富锦精密工业（深圳）有限公司 | Dual-frequency antenna |
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| CN101098041A (en) | 2008-01-02 |
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Granted publication date: 20110803 Termination date: 20130605 |