CN2212267Y - Full direction wide band antenna on aeroplane - Google Patents
Full direction wide band antenna on aeroplane Download PDFInfo
- Publication number
- CN2212267Y CN2212267Y CN 94229885 CN94229885U CN2212267Y CN 2212267 Y CN2212267 Y CN 2212267Y CN 94229885 CN94229885 CN 94229885 CN 94229885 U CN94229885 U CN 94229885U CN 2212267 Y CN2212267 Y CN 2212267Y
- Authority
- CN
- China
- Prior art keywords
- outer sleeve
- antenna
- active antenna
- radiator
- radiant body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model relates to a full direction wide band antenna on airplanes, which is used for realizing both air traffic control (ATC) and identification of friends or foes (IFF). An antenna radiator of the utility model is composed of the radiator of an active antenna on the upper part, an insulating washer in the middle, and an outer sleeve on the lower part. A coaxial line in the outer sleeve is connected respectively with an input-output socket and the radiator of the active antenna. Because the diameter of a coaxial conductor is much shorter than the equivalent diameter of the radiator of the active antenna, the corresponding transmission and reception frequency band of the radiator of the active antenna is wide so as to realize both the IFF and the ATC. Moreover, the radiator of the active antenna is nondirectional, so the full direction transmission and reception of the IFF and the ATC can be realized. The utility model can improve the existing antennas of small airplanes easily.
Description
The utility model relates to a kind of aircraft antenna, particularly realizes air traffic control (ATC) and enemy and we identification (IFF) shared airborne omnidirectional wideband antenna.
Existing aircraft generally only is provided with the IFF transponder aerial.Along with development of aviation, crowding day by day with busy of air traffic is to ensure airflight safety, and it is very necessary that the ATC answering machine is set aboard.But the workload that adds a cover ATC transponder aerial on the existing aircraft in addition is big, no antenna installation site.For solving this contradiction, Chinese patent 94229503.X has designed a kind of " airborne broadband combined antenna ", and this antenna provides realizes that IFF and ATC answering machine are shared, and the airborne antenna of broad frequency band is arranged.The structure of this patent comprises the pedestal that is fixed on the body, profile is the antenna radiator of blade-like fairing, the input and output socket, antenna radiator is two active antenna radiant body and passive antenna reflectors that length is different, two active antenna radiant bodies and high frequency feed circuit link a common input and output socket.Because three antenna radiators are arranged, volume is bigger, and has folk prescription to transmitting and receiving signal in this patent, stronger directivity is arranged, so on large aircraft, need adorn two cover antennas, and baby plane is adorned the above-mentioned antenna of a cover and then is subject to folk prescription to receiving and transmitting because volume is limited.
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide aerial radiation physical efficiency of a kind of usefulness to transmit and receive ATC and IFF signal, and transmitting and receiving signal is omnidirectional airborne omnidirectional wideband antenna, thereby is suitable for being loaded on the baby plane.
Solution of the present utility model is: a kind of airborne omnidirectional wideband antenna, comprise the substrate that is fixed on the body, profile is the antenna radiator of blade-like fairing and the input and output socket under the pedestal, the upper part that is characterized in antenna radiator is the active antenna radiant body, following partly is the outer sleeve that is connected as a single entity with pedestal, it between active antenna radiant body and the outer sleeve insulating washer, together spindle guide line is arranged in the outer sleeve, concentric conductor one end links to each other with the input and output socket, and the other end is connected on the active antenna radiant body.Because the concentric conductor in the outer sleeve of the present utility model links to each other with the active antenna radiant body, and outer sleeve and active antenna radiant body separate by insulating washer, the diameter of active antenna radiant body is far longer than the diameter of wire of concentric conductor, the corresponding entire antenna frequency band that makes forms the broadband, its frequency range has covered the frequency band of IFF and two kinds of signals of ATC, thereby can realize IFF and the shared antenna of ATC answering machine.And active antenna radiant body of the present utility model do not have directivity, can transmit and receive the signal of any direction.Can make the active antenna radiant body identical with the equivalent diameter of outer sleeve and insulating washer in the solution of the present utility model, so more help widening frequency band with the equivalent diameter of insulating washer contact-making surface.
The utility model advantage compared with prior art: owing to link to each other with the active antenna radiant body by concentric conductor, and the diameter of wire of concentric conductor is far smaller than the equivalent diameter of active antenna radiant body, the frequency band that transmits and receives of corresponding active antenna radiant body is widened greatly, can realize the common antenna of IFF and ATC answering machine, and the utility model active antenna radiant body is non-directional, can receive and launch the signal of either direction, therefore realized the purpose of theaomni-directional transmission and reception, be convenient on baby plane, install, use.
The utility model can further specify in conjunction with the accompanying drawings.
Fig. 1 is the utility model perspective view;
Fig. 2 is the utility model embodiment cutaway view.
The utility model embodiment is as shown in Figure 1 and Figure 2:
The outer sleeve 2 that is connected as a single entity with it is arranged on pedestal 5 of airborne omnidirectional wideband antenna among Fig. 1, one insulating washer 3 is arranged on the outer sleeve 2, be active antenna radiant body 1 on the insulating washer 3, pedestal 5 times is input and output socket 4 fixedly, and the aerial radiation body profile is the blade-like fairing.
Together spindle guide line 6 is arranged in the outer sleeve 2 among Fig. 2, concentric conductor 6 one ends link to each other with input and output socket 4, the other end is connected on the active antenna radiant body 1, at pedestal 5, outer sleeve 2, corresponding having with parallel two perforates, the 7 active antenna radiant bodies 1 of outer sleeve body 2 endoporus is provided with the blind hole corresponding with perforate 7 on the insulating washer 3, there is an adjustable matching pillar 8 to reach in the blind hole of active antenna radiant body 1 by the perforate 7 of outer sleeve 2, adjustable matching pillar 8 in another hole is an adjustment screw 9, wherein adjustable matching pillar 8, adjustment screw 9 partly insulate with outer sleeve 2 in the perforate 7 of outer sleeve 2.Adjustable in the present embodiment matching pillar 8 and adjustment screw 9 can be adjusted up and down in perforate 7, and its effect is on the one hand in order to be fixed with the source antenna radiant body, to play on the other hand the effect that improves antenna electric performance and further widen frequency band.
Claims (5)
1, a kind of airborne omnidirectional wideband antenna, comprise the pedestal (5) that is fixed on the body, profile is the antenna radiator of blade-like fairing and the input and output socket (4) under the pedestal (5), the upper part that it is characterized in that antenna radiator is active antenna radiant body (1), the antenna radiator bottom is the outer sleeve (2) that is connected as a single entity with pedestal (5), be insulating washer (3) between active antenna radiant body (1) and the outer sleeve (2), together spindle guide line (6) is arranged in the outer sleeve (2), concentric conductor (6) one ends link to each other with input and output socket (4), and the other end is connected on the active antenna radiant body (1).
2, airborne omnidirectional wideband antenna according to claim 1, it is characterized in that outer sleeve (2) is provided with the perforate parallel with its endoporus (7), active antenna radiant body (1) is provided with and the corresponding blind hole of outer sleeve (2) perforate (7), have an adjustable matching pillar (8) to reach in the blind hole of active antenna radiant body (1), and adjustable matching pillar (8) is partly separated adjustable matching pillar (8) and outer sleeve (2) by insulating material in the perforate (7) of outer sleeve (2) by the perforate (7) of outer sleeve (2).
3, airborne omnidirectional wideband antenna according to claim 1 and 2 is characterized in that active antenna radiant body (1) is identical with insulating washer (3) contact-making surface diameter with the same outer sleeve of insulating washer (3) contact-making surface diameter (2).
4, airborne omnidirectional wideband antenna according to claim 1 and 2 is characterized in that adjustable matching pillar (8) is an adjustment screw (9).
5, airborne omnidirectional wideband antenna according to claim 3 is characterized in that adjustable matching pillar (8) is an adjustment screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94229885 CN2212267Y (en) | 1994-11-17 | 1994-11-17 | Full direction wide band antenna on aeroplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94229885 CN2212267Y (en) | 1994-11-17 | 1994-11-17 | Full direction wide band antenna on aeroplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2212267Y true CN2212267Y (en) | 1995-11-08 |
Family
ID=33842112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94229885 Expired - Fee Related CN2212267Y (en) | 1994-11-17 | 1994-11-17 | Full direction wide band antenna on aeroplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2212267Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192705B (en) * | 2006-11-26 | 2013-01-02 | 成都晶成电子设备有限公司 | Super short wave all-frequency band combined airplane antenna |
| CN104009286A (en) * | 2014-06-03 | 2014-08-27 | 西安电子科技大学 | Onboard all-directional communication antenna with low radar cross section |
-
1994
- 1994-11-17 CN CN 94229885 patent/CN2212267Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101192705B (en) * | 2006-11-26 | 2013-01-02 | 成都晶成电子设备有限公司 | Super short wave all-frequency band combined airplane antenna |
| CN104009286A (en) * | 2014-06-03 | 2014-08-27 | 西安电子科技大学 | Onboard all-directional communication antenna with low radar cross section |
| CN104009286B (en) * | 2014-06-03 | 2016-05-25 | 西安电子科技大学 | The airborne directional communication antenna of low radar cross section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |