CN204179222U - Double-layer wideband directional diagram tiltedly refers to antenna - Google Patents
Double-layer wideband directional diagram tiltedly refers to antenna Download PDFInfo
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- CN204179222U CN204179222U CN201420687206.1U CN201420687206U CN204179222U CN 204179222 U CN204179222 U CN 204179222U CN 201420687206 U CN201420687206 U CN 201420687206U CN 204179222 U CN204179222 U CN 204179222U
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Abstract
The utility model relates to a kind of double-layer wideband directional diagram and tiltedly refers to antenna, belongs to wireless communication technology field.In the utility model, the design be in respectively on two blocks of dielectric-slabs of fed patch and parasitic patch makes antenna frequency band reach the standard of ultra broadband, considerably beyond microstrip antenna typical bandwidth; Because three parasitic patch size design are proper, make antenna standing wave ratio less, certain inclination angle, direction is penetrated on directional diagram skew limit; Owing to adopting cavity body structure, achieve antenna and the conformal installation of carrier, substantially reduce the aerodynamic drag under high-speed flight environment, reduce the RCS of antenna, achieve low detection, stealthy object.
Description
Technical field
The utility model relates to wireless communication technology field, is specifically related to a kind of double-layer wideband directional diagram and tiltedly refers to antenna.
Background technology
In battlefield surroundings, height, the attitude of aircraft all can have certain change.And now, a problem can be faced, exactly at the antenna of the flat section of flying communication, because attitude changes, cause the change of polarization mode (becoming horizontal polarization from perpendicular polarization), cause communication disruption.
At present, be applied to the plane yagi-uda array antenna in the voice lines wireless communication system of automobile and satellite, aerial radiation circular polarization electromagnetic wave, antenna elevation angle covers 20 ° to 60 °, and gain is medium gain; If utilize machinery to rotate in orientation, 360 ° of coverings can be realized.But this antenna is unsuitable for being applied in perpendicular polarization electromagnetic wave environment, and this antenna operating band is narrow, can not meet bandwidth requirement.And adopting yagi-uda array antenna, bandwidth increases, but can not realize the requirement of directional diagram inclination angle and the conformal installation of antenna.Antenna can not conformal installation can bring RCS comparatively large, the problems such as Stealth Fighter is poor, and high-speed flight aerodynamic drag is large.
Consider above-mentioned situation, for the problem solved highly or attitudes vibration causes communication disruption, existing antenna frequency band narrow, meet the requirement of antenna and the conformal installation of carrier, be necessary to develop a meet under specific condition can radiate vertical polarization, directional diagram to its end-on direction have certain inclination angle, frequency band wider, can the antenna of, low cost conformal with carrier.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is: how to design a kind of broadband, antenna that can be conformal with carrier.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of double-layer wideband directional diagram and tiltedly refers to antenna, described double-layer wideband directional diagram tiltedly refers to that antenna comprises: first medium plate 1, second medium plate 2, ground plate 3, the first parasitic patch 4, second parasitic patch 5, trixenie paster 6, fed patch 7, cavity 8 and connector 9;
Described first medium plate 1 and second medium plate 2 are positioned at cavity 8, and first medium plate 1 is positioned at the top of second medium plate 2, described first parasitic patch 4, second parasitic patch 5 and trixenie paster 6 are all positioned at first medium plate 1 end face, and described fed patch 7 is positioned on second medium plate 2; Described cavity 8 comprises side plate and base plate; The inner core of described connector 9 is connected with fed patch 7 through the base plate of cavity 8, ground plate 3, second medium plate 2 successively, and the crust of described connector 9 is connected with the base plate of cavity 8, and the base plate of described cavity 8 is connected with ground plate 3.Wherein, the first parasitic patch 4, trixenie paster 6 can also be placed on second medium plate 2, and be distributed in the left and right sides of fed patch 7.
Preferably, described double-layer wideband directional diagram tiltedly refers to that antenna also comprises the radome covered on described first medium plate 1.
Preferably, described first parasitic patch 4 is director, and the second parasitic patch 5 is resonator, and trixenie paster 6 is reflector, and the size of these three parasitic patch sorts from small to large successively.
The utility model additionally provides a kind of double-layer wideband directional diagram and tiltedly refers to antenna, institute's double-layer wideband directional diagram tiltedly refers to that antenna comprises: first medium plate 1, second medium plate 2, ground plate 3, the first parasitic patch 4, second parasitic patch 5, trixenie paster 6, fed patch 7, cavity 8 and connector 9;
Described first medium plate 1 and second medium plate 2 are positioned at cavity 8, and first medium plate 1 is positioned at the top of second medium plate 2, described first parasitic patch 4, second parasitic patch 5 and trixenie paster 6 are all positioned at first medium plate 1 bottom surface, and described fed patch 7 is positioned on second medium plate 2; Described cavity 8 comprises side plate and base plate; The inner core of described connector 9 is connected with fed patch 7 through the base plate of cavity 8, ground plate 3, second medium plate 2 successively, and the crust of described connector 9 is connected with the base plate of cavity 8, and the base plate of described cavity 8 is connected with ground plate 3.
Preferably, described first parasitic patch 4 is director, and the second parasitic patch 5 is resonator, and trixenie paster 6 is reflector, and the size of these three parasitic patch sorts from small to large successively.
(3) beneficial effect
In the utility model, the design be in respectively on two blocks of dielectric-slabs of fed patch and parasitic patch makes antenna frequency band reach the standard of ultra broadband, considerably beyond microstrip antenna typical bandwidth; Because three parasitic patch size design are proper, make antenna standing wave ratio less, certain inclination angle, direction is penetrated on directional diagram skew limit; Owing to adopting cavity body structure, achieve antenna and the conformal installation of carrier, substantially reduce the aerodynamic drag under high-speed flight environment, reduce the RCS of antenna, achieve low detection, stealthy object.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one, and wherein A is front view, and B is vertical view;
Fig. 2 is the structural representation of the utility model embodiment two, and wherein A is front view, and B is vertical view;
Fig. 3 is S parameter simulation result of the present utility model;
Fig. 4 is pitching surface radiation directional diagram of the present utility model;
Fig. 5 is voltage standing wave ratio simulation result of the present utility model.
Embodiment
For making the purpose of this utility model, content and advantage clearly, below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.
As shown in Figure 1 and Figure 2, the utility model provides a kind of double-layer wideband directional diagram and tiltedly refers to antenna, described double-layer wideband directional diagram tiltedly refers to that antenna comprises: first medium plate 1, second medium plate 2, ground plate 3, the first parasitic patch 4, second parasitic patch 5, trixenie paster 6, fed patch 7, cavity 8 and connector 9;
Described first medium plate 1 and second medium plate 2 are positioned at cavity 8, and first medium plate 1 is positioned at the top of second medium plate 2, and described fed patch 7 is positioned on second medium plate 2; Described cavity 8 comprises side plate and base plate; The inner core of described connector 9 is connected with fed patch 7 through the base plate of cavity 8, ground plate 3, second medium plate 2 successively, and the crust of described connector 9 is connected with the base plate of cavity 8, and the base plate of described cavity 8 is connected with ground plate 3.In embodiment one shown in Fig. 1; described first parasitic patch 4, second parasitic patch 5 and trixenie paster 6 are all positioned at first medium plate 1 end face; form mounting structure, this situation needs to cover one deck radome, to protect antenna above three parasitic patch on first medium plate 1.In embodiment two, described first parasitic patch 4, second parasitic patch 5 and trixenie paster 6 are all positioned at first medium plate 1 bottom surface, and the situation of this inverted structure does not need radome.First parasitic patch 4, trixenie paster 6 can also be placed on second medium plate 2, and be distributed in the left and right sides of fed patch 7.
In the utility model, the dielectric constant of first medium plate 1 is 2.55, and thickness is 1.016mm, and covering copper thickness is 1oz/ft
2.The dielectric constant of second medium plate 2 is 4.3, and thickness is 3.048mm, and covering copper thickness is 1oz/ft
2.Connector 9 is SMA connector, and characteristic impedance is 50 ohm.Described first parasitic patch 4 is director, second parasitic patch 5 is resonator, trixenie paster 6 is reflector, and the size of these three parasitic patch sorts from small to large successively, the first parasitic patch 4, second parasitic patch 5 and fed patch 7 cooperating, form wideband resonance, trixenie paster 6 and parasitic patch 4 cooperating, make the beam position of antenna offset limit and penetrate certain inclination angle, direction (deflection end-on direction), that is, realize directional diagram and offset to end-on direction.
In Fig. 3, S parameter simulation result display-10dB bandwidth is at 950MHz.Fig. 4 shows, and antenna of the present utility model can realize directional diagram to end-on direction skew 36 degree, and maximum gain is 7.8353.VSWR in Fig. 5 represents voltage standing wave ratio.
Cavity 8 in the utility model can also be curved surface carrier (such as cylinder projectile, caliber 380mm), also can realize conformal installation, reduce the RCS of antenna, realize low detection, Stealth Fighter, the electrical characteristic of antenna, as unaffected in directional diagram, bandwidth.
Can find out, in the utility model, the design be in respectively on two blocks of dielectric-slabs of fed patch and parasitic patch makes antenna frequency band reach the standard of ultra broadband, considerably beyond microstrip antenna typical bandwidth; Because three parasitic patch size design are proper, make antenna standing wave ratio less, certain inclination angle, direction is penetrated on directional diagram skew limit; Owing to adopting cavity body structure, achieve antenna and the conformal installation of carrier, substantially reduce the aerodynamic drag under high-speed flight environment, reduce the RCS of antenna, achieve low detection, stealthy object.In addition, antenna adopts printed board structure, and processing is simple, and cost is lower.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection range of the present utility model.
Claims (8)
1. a double-layer wideband directional diagram tiltedly refers to antenna, it is characterized in that, described double-layer wideband directional diagram tiltedly refers to that antenna comprises: first medium plate (1), second medium plate (2), ground plate (3), the first parasitic patch (4), the second parasitic patch (5), trixenie paster (6), fed patch (7), cavity (8) and connector (9);
Described first medium plate (1) and second medium plate (2) are positioned at cavity (8), and first medium plate (1) is positioned at the top of second medium plate (2), described first parasitic patch (4), the second parasitic patch (5) and trixenie paster (6) are all positioned at first medium plate (1) end face, and described fed patch (7) is positioned on second medium plate (2); Described cavity (8) comprises side plate and base plate; The inner core of described connector (9) is connected with fed patch (7) through the base plate of cavity (8), ground plate (3), second medium plate (2) successively, the crust of described connector (9) is connected with the base plate of cavity (8), and the base plate of described cavity (8) is connected with ground plate (3).
2. double-layer wideband directional diagram as claimed in claim 1 tiltedly refers to antenna, and it is characterized in that, described double-layer wideband directional diagram tiltedly refers to that antenna also comprises the radome covered on described first medium plate (1).
3. double-layer wideband directional diagram as claimed in claim 1 or 2 tiltedly refers to antenna, it is characterized in that, described first parasitic patch (4) is director, second parasitic patch (5) is resonator, trixenie paster (6) is reflector, and the size of these three parasitic patch sorts from small to large successively.
4. a double-layer wideband directional diagram tiltedly refers to antenna, it is characterized in that, institute's double-layer wideband directional diagram tiltedly refers to that antenna comprises: first medium plate (1), second medium plate (2), ground plate (3), the first parasitic patch (4), the second parasitic patch (5), trixenie paster (6), fed patch (7), cavity (8) and connector (9);
Described first medium plate (1) and second medium plate (2) are positioned at cavity (8), and first medium plate (1) is positioned at the top of second medium plate (2), described first parasitic patch (4), the second parasitic patch (5) and trixenie paster (6) are all positioned at first medium plate (1) bottom surface, and described fed patch (7) is positioned on second medium plate (2); Described cavity (8) comprises side plate and base plate; The inner core of described connector (9) is connected with fed patch (7) through the base plate of cavity (8), ground plate (3), second medium plate (2) successively, the crust of described connector (9) is connected with the base plate of cavity (8), and the base plate of described cavity (8) is connected with ground plate (3).
5. double-layer wideband directional diagram as claimed in claim 4 tiltedly refers to antenna, it is characterized in that, described first parasitic patch (4) is director, second parasitic patch (5) is resonator, trixenie paster (6) is reflector, and the size of these three parasitic patch sorts from small to large successively.
6. a double-layer wideband directional diagram tiltedly refers to antenna, it is characterized in that, described double-layer wideband directional diagram tiltedly refers to that antenna comprises: first medium plate (1), second medium plate (2), ground plate (3), the first parasitic patch (4), the second parasitic patch (5), trixenie paster (6), fed patch (7), cavity (8) and connector (9);
Described first medium plate (1) and second medium plate (2) are positioned at cavity (8), and first medium plate (1) is positioned at the top of second medium plate (2), described second parasitic patch (5) is positioned at first medium plate (1) end face, described first parasitic patch (4), trixenie paster (6) and fed patch (7) are all positioned on second medium plate (2), and the first parasitic patch (4), trixenie paster (6) are distributed in fed patch (7) both sides; Described cavity (8) comprises side plate and base plate; The inner core of described connector (9) is connected with fed patch (7) through the base plate of cavity (8), ground plate (3), second medium plate (2) successively, the crust of described connector (9) is connected with the base plate of cavity (8), and the base plate of described cavity (8) is connected with ground plate (3).
7. double-layer wideband directional diagram as claimed in claim 6 tiltedly refers to antenna, and it is characterized in that, described double-layer wideband directional diagram tiltedly refers to that antenna also comprises the radome covered on described first medium plate (1).
8. double-layer wideband directional diagram as claimed in claims 6 or 7 tiltedly refers to antenna, it is characterized in that, described first parasitic patch (4) is director, second parasitic patch (5) is resonator, trixenie paster (6) is reflector, and the size of these three parasitic patch sorts from small to large successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687206.1U CN204179222U (en) | 2014-11-15 | 2014-11-15 | Double-layer wideband directional diagram tiltedly refers to antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420687206.1U CN204179222U (en) | 2014-11-15 | 2014-11-15 | Double-layer wideband directional diagram tiltedly refers to antenna |
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| Publication Number | Publication Date |
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| CN204179222U true CN204179222U (en) | 2015-02-25 |
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| CN201420687206.1U Expired - Fee Related CN204179222U (en) | 2014-11-15 | 2014-11-15 | Double-layer wideband directional diagram tiltedly refers to antenna |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958193A (en) * | 2016-05-31 | 2016-09-21 | 南京濠暻通讯科技有限公司 | Low-profile LTE directional antenna |
| CN108172976A (en) * | 2017-11-23 | 2018-06-15 | 天津津航计算技术研究所 | The spaceborne phased array antenna of X-band |
| CN108376833A (en) * | 2017-02-01 | 2018-08-07 | 株式会社村田制作所 | The manufacturing method of antenna assembly and antenna assembly |
| CN108879114A (en) * | 2017-05-16 | 2018-11-23 | 华为技术有限公司 | Integrated antenna packages structure and terminal |
| CN109494478A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of sub-miniature A connector suitable for conformal antenna cover |
| CN110429068A (en) * | 2019-08-09 | 2019-11-08 | 芯光科技新加坡有限公司 | A kind of antenna packages structure and preparation method thereof, communication equipment |
| CN110571513A (en) * | 2018-06-06 | 2019-12-13 | 嘉联益电子(昆山)有限公司 | electronic device and multi-band flexible circuit board antenna structure thereof |
-
2014
- 2014-11-15 CN CN201420687206.1U patent/CN204179222U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105958193A (en) * | 2016-05-31 | 2016-09-21 | 南京濠暻通讯科技有限公司 | Low-profile LTE directional antenna |
| CN108376833A (en) * | 2017-02-01 | 2018-08-07 | 株式会社村田制作所 | The manufacturing method of antenna assembly and antenna assembly |
| CN108376833B (en) * | 2017-02-01 | 2021-11-05 | 株式会社村田制作所 | Antenna device and method for manufacturing antenna device |
| CN108879114A (en) * | 2017-05-16 | 2018-11-23 | 华为技术有限公司 | Integrated antenna packages structure and terminal |
| CN108172976A (en) * | 2017-11-23 | 2018-06-15 | 天津津航计算技术研究所 | The spaceborne phased array antenna of X-band |
| CN110571513A (en) * | 2018-06-06 | 2019-12-13 | 嘉联益电子(昆山)有限公司 | electronic device and multi-band flexible circuit board antenna structure thereof |
| CN110571513B (en) * | 2018-06-06 | 2020-11-10 | 嘉联益电子(昆山)有限公司 | Electronic device and multi-band flexible circuit board antenna structure thereof |
| CN109494478A (en) * | 2018-07-13 | 2019-03-19 | 中国航空工业集团公司济南特种结构研究所 | A kind of sub-miniature A connector suitable for conformal antenna cover |
| CN109494478B (en) * | 2018-07-13 | 2021-03-26 | 中国航空工业集团公司济南特种结构研究所 | SMA connects suitable for conformal antenna house |
| CN110429068A (en) * | 2019-08-09 | 2019-11-08 | 芯光科技新加坡有限公司 | A kind of antenna packages structure and preparation method thereof, communication equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20191115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |