CN206602176U - A kind of coplanar multifrequency satellite antenna element - Google Patents
A kind of coplanar multifrequency satellite antenna element Download PDFInfo
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- CN206602176U CN206602176U CN201720113617.3U CN201720113617U CN206602176U CN 206602176 U CN206602176 U CN 206602176U CN 201720113617 U CN201720113617 U CN 201720113617U CN 206602176 U CN206602176 U CN 206602176U
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- antenna
- coplanar
- outer cover
- pcb board
- bottom plate
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Abstract
The utility model is related to a kind of coplanar multifrequency satellite antenna element, coplanar multifrequency satellite antenna element is installed in the antenna slot opened up on body radial direction lateral body, including with the coplanar conformal coplanar outer cover of the body radial direction lateral body, the coplanar outer cover and the antenna slot the first cavity of formation, also include laminated medium antenna, the signal transacting pcb board being connected with laminated medium antenna, the laminated medium antenna includes the different diectric antenna of multilayer size, body radial side shape described in the outer surface reference shape of the coplanar outer cover is designed, make coplanar outer cover outer surface and the body radial side body seamless surface coplanar conformal, the laminated medium antenna, signal transacting pcb board is in first cavity, the utility model is using laminated antenna design, it can realize that wide-band works, improve the positioning precision of satellite antenna.
Description
Technical field
The utility model is related to antenna technical field, more particularly to a kind of coplanar multifrequency satellite antenna element.
Background technology
The intellectualized reconstruction of conventional ammunition is one of military popular scientific research field, wherein more popular intellectualized reconstruction
Direction is exactly to load onto that the navigation antenna of signal can be received on ammunition, receives aeronautical satellite to the location data of target, makes it
Projecting direction is more accurate.But the combination of simple navigation antenna and ammunition can't make projecting direction very accurate,
The problem of wherein needing to consider is a lot, for example, due on bullet space it is extremely limited, propose so that some are urgent to antenna on bullet
And the demand of reality:Small volume, it is lightweight, can it is conformal with bullet, can reliable reception under free-position in controlled area charactert
Instruction etc..
In order to not influence the aerodynamic characteristic of ammunition, the array for adapting to motor-driven the brought antenna sensing change of body is conformal
Antenna is the emphasis of Recent study Missile-borne Antenna.
Applied to the Big Dipper, GPS, GLONASS etc. satellite navigation aerial can provide in real time accurate, continuous position,
The information such as speed and time, and then complete to the navigation of target, positioning, monitoring and management.Due to high accuracy, it is round-the-clock with
And the features such as real-time, satellite navigation system is also able to extensive use in military field.Meanwhile, the navigation antenna of miniaturization with
Receivable satellite navigation constellation more and more (including GPS, the Big Dipper, GLONASS, Galileo etc.), even in reception environment
It also can ensure that user can reliablely and stablely receive satellite-signal in the case of severe, provided for the intellectualized reconstruction of conventional ammunition
Reliable guarantee.
At present, traditional missile-borne conformal antenna generally existing working frequency range is narrow, the problem of positioning precision is low.
Utility model content
The purpose of this utility model is：It is narrow for the working frequency range of the existing conformal generally existing of missile-borne array, positioning
The problem of precision is low can be realized many there is provided a kind of coplanar multifrequency satellite antenna element, the antenna element multifrequency multi-layered ceramic antenna
Band operation, improves the positioning precision of satellite antenna.
The technical solution adopted in the utility model is as follows：
A kind of coplanar multifrequency satellite antenna element, coplanar multifrequency satellite antenna element is installed on body radial direction lateral body and opened up
Antenna slot in, including with the coplanar conformal coplanar outer cover of the body radial direction lateral body, the coplanar outer cover and the antenna slot
Form the first cavity, in addition to laminated medium antenna, the signal transacting pcb board that is connected with laminated medium antenna, the lamination is situated between
Matter antenna includes the different diectric antenna of multilayer size, is designed using laminated antenna, can realize that multiband works, improve satellite day
The positioning precision of line, body radial side shape described in the outer surface reference shape of the coplanar outer cover is designed, and is made coplanar outer
Cover outer surface and the body radial side body seamless surface are coplanar conformal, and the laminated medium antenna, signal transacting pcb board are equal
In first cavity.Laminated medium antenna and the sealing of signal transacting pcb board are integrated, and ensure it in rugged environment
Can normal work, the reduction loss of signal.
In such scheme, in addition to for installing the bottom plate cavity of the signal transacting pcb board.
The bottom land of the antenna slot opens up grooved hole, and the bottom plate cavity includes concave part and connecting portion, the concave part
In the embedded slotted eye, the bottom plate cavity is connected by connecting portion with the cell body of the antenna slot, the signal transacting pcb board
Edge is connected with the bottom plate cavity by connecting portion, the signal transacting pcb board and the base plate chamber body the second cavity of formation；
The coplanar outer cover is connected with the cell body of bottom plate cavity and/or antenna slot.Fully optimization inner space, realizes that complete machine is minimized,
The concave part of bottom plate cavity is just embedded using the thickness of slotted eye side wall, concave part just forms cavity with signal transacting pcb board,
Cavity is used for the placement of component on signal transacting pcb board.
In such scheme, the signal transacting pcb board and bottom plate cavity, coplanar outer cover and the bottom plate cavity and/or day
The connected mode of the cell body of wire casing, the bottom plate cavity and the cell body of the antenna slot is thread connecting mode and/or gluing side
Formula, makes the coplanar outer cover outer surface and the body radial side body seamless surface coplanar conformal.
In such scheme, the laminated medium antenna includes the different diectric antenna of two layers of size, respectively top dielectric
Antenna, layer dielectric antenna, the top dielectric antenna size are less than the layer dielectric antenna.Various sizes of diectric antenna
Design, can realize that multiband works, improve the positioning precision of satellite antenna.
In such scheme, the diectric antenna specifically includes body metal ground layer, typically applies conductive metal layer, square
Dielectric layer, is set to square, it is ensured that resonated on XY directions basically identical, so as to reach the uniform effect for receiving star, upper strata spoke
Surface layer is penetrated, radiation silver-colored face shape in upper strata is adjusted according to working frequency, realizes antenna resonance, feed pin, the feed pin is whole
Body runs through diectric antenna, and being connected with upper strata radiating surface, and carry out soldering is welded together, and is insulated with body metal ground layer, and weld
It is connected on signal transacting pcb board and is fed；
Low-k ceramic material during the square dielectric layer is used, middle low-k ceramic material has radiation
The characteristics of area big efficiency high, its dielectric constant can be adjusted because of the change of working frequency from 6-16, with good standing wave
Than；Square thickness of dielectric layers be 4mm-10mm, increase thickness of dielectric layers, in order to improve antenna low elevation gain, increase bandwidth,
Increase antenna radiation performance.
In such scheme, the signal transacting pcb board is FR4 epoxy plates, and the FR4 epoxy plates downside is provided with low noise
Acoustical signal module LNA, the noiselike signal module LNA are by signal is amplified and is filtered part.
The noiselike signal module LNA suppresses the high amplifier tube of SAW filter, P1 compression points using bypass is high, it is ensured that
The low noise undistorted transmission of circuit.
In such scheme, the coplanar outer cover is using thickening nylon material.The outer cover of this material has wind resistance antidetonation anti-impact
Function is hit, makes whole antenna structure reliable.
In such scheme, the bottom plate cavity uses aluminum alloy material.This material is on the one hand lightweight, reduces whole antenna
The weight of structure, on the other hand, cost is cheaper with respect to for aluminium.Additionally there is signal shielding to act on.
To sum up, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, the utility model coordinates the coplanar conformal design of body by coplanar outer cover, it is ensured that while antenna receives instruction
The features such as improving its aeroperformance and structural reliability, reduction windage.
2nd, the utility model can be realized that wide-band works, be improved the positioning of satellite antenna using laminated antenna design
Precision.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view of laminated medium antenna and signal transacting pcb board；
Fig. 3 is the side view of the utility model diectric antenna；
Marked in figure：1- bodies, 11- body radial direction lateral bodys, 2- antenna slots, 21- slotted eyes, 22- cell bodies, the coplanar outer covers of 3-,
The coplanar outer cover outer surfaces of 31-, 4- laminated medium antennas, 41- diectric antennas, 42- top dielectric antennas, 43- layer dielectrics day
Line, 44- body metal ground layers, 45- square dielectric layers, 46- upper stratas radiation surface layer, 47- feed pins, 5- signal transacting pcb boards,
6- bottom plate cavitys, 61- concave parts, 62- connecting portions, the cavitys of 7- first, the cavitys of 8- second.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
As shown in figure 1, a kind of coplanar multifrequency satellite antenna element, the coplanar multifrequency satellite antenna element is installed on body
In the antenna slot 2 opened up on 1 radial direction lateral body 11, including with the coplanar conformal coplanar outer cover 3 of the body radial direction lateral body, it is described common
Face outer cover 3 and the antenna slot 2 the first cavity 7 of formation, in addition to laminated medium antenna 4, are responsible for the reception of aerial signal, with folding
The signal transacting pcb board 5 that layer diectric antenna 4 is connected, is responsible for filter and amplification and other processing of aerial signal, and the lamination is situated between
Matter antenna 4 includes the different diectric antenna 41 of multilayer size, is designed using laminated antenna, can realize that multiband works, raising is defended
The positioning precision of star antenna, the shape of body radial direction lateral body 11 described in the reference shape of outer surface 31 of the coplanar outer cover 3 is designed,
Make coplanar outer cover outer surface 31 and the seamless surface of body radial direction lateral body 11 coplanar conformal, the laminated medium antenna 4, letter
Number processing pcb board 5 is in first cavity 7.Laminated medium antenna and the sealing of signal transacting pcb board are integrated, and are ensured
It can normal work, the reduction loss of signal in rugged environment.
The coplanar multifrequency satellite antenna element is installed in the antenna slot opened up on body radial direction lateral body.In order to ensure bullet
Body conformal antenna in controlled area charactert under free-position can reliable reception instruction, it is necessary to body radial direction lateral body go into battle row it is multiple
Antenna element, such as binary arrays, ternary array, antenna element set more, are reliably connect under more can guarantee that it at an arbitrary position
Receive instruction, but it is many after, effect is not notable, and easily increase weight and cost, and binary or ternary array ratio are more preferably.When for
During binary arrays, refer to that two antenna elements are symmetrical in 180 degree on body radial direction lateral body；When for ternary array, refer to three
Individual antenna element is symmetrical in 120 degree on body radial direction lateral body；It is one of antenna element that this is new.
Preferably, in addition to for installing the bottom plate cavity 6 of the signal transacting pcb board 6, bottom plate cavity plays support and shielded
The effect of covering.
Preferably, the bottom land of the antenna slot 2 opens up grooved hole 21, and the bottom plate cavity 6 includes concave part 61 and connection
Portion 62, the concave part 61 is embedded in the slotted eye 21, and the bottom plate cavity 6 passes through connecting portion 62 and the groove of the antenna slot 2
Body 22 is connected, and the edge of signal transacting pcb board 5 is connected with the bottom plate cavity 6 by connecting portion 62, the signal transacting
Pcb board 5 and the bottom plate cavity 6 the second cavity 8 of formation, fully optimize inner space, realize that complete machine is minimized, utilize slotted eye side
The thickness of wall just embeds the concave part of bottom plate cavity, and concave part just forms cavity with signal transacting pcb board, and cavity is used to believe
Number processing pcb board on component placement；The coplanar outer cover 3 is connected with the cell body 22 of bottom plate cavity 6 and/or antenna slot 2.
Preferably, the signal transacting pcb board 5 and bottom plate cavity 6, the coplanar outer cover 3 and bottom plate cavity 6 and/or day
The connected mode of the cell body 22 of the cell body 22 of wire casing 2, the bottom plate cavity 6 and the antenna slot 2 for thread connecting mode and/or
Adhesive means, make the outer surface 31 of coplanar outer cover 3 and the seamless surface of 1 radial direction lateral body of body 11 coplanar conformal.
Preferably, the laminated medium antenna 4 includes the different diectric antenna 41 of two layers of size, respectively top dielectric day
Line 42, layer dielectric antenna 43, the size of top dielectric antenna 42 are less than the layer dielectric antenna 43.It is various sizes of to be situated between
Matter Antenna Design, can realize that multiband works, improve the positioning precision of satellite antenna.
Preferably, the diectric antenna 41 specifically includes body metal ground layer 44, typically applies conductive metal layer, square
Dielectric layer 45, is set to square, it is ensured that resonated on XY directions basically identical, so as to reach the uniform effect for receiving star, upper strata
Surface layer 46 is radiated, radiation silver-colored face shape in upper strata is adjusted according to working frequency, realizes antenna resonance, feed pin 47, the feedback
Acusector 47 is overall to run through diectric antenna 41, and being connected with upper strata radiation surface layer 46, and carry out soldering is welded together, with body metal
Stratum 44 is insulated, and is welded on signal transacting pcb board 5 and is fed；
Low-k ceramic material during the square dielectric layer 45 is used, middle low-k ceramic material has spoke
The characteristics of penetrating area big efficiency high, its dielectric constant can be adjusted because of the change of working frequency from 6-16, be stayed with good
Bob；The square thickness of dielectric layer 45 is 4mm-10mm, in order to improve antenna low elevation gain, increase bandwidth, increase antenna spoke
Penetrate performance.
Preferably, the signal transacting pcb board 5 is FR4 epoxy plates, and the FR4 epoxy plates downside is provided with low noise
Signaling module LNA, the noiselike signal module LNA are for signal to be amplified and filtering process, the noiselike signal
Module LNA suppresses the high amplifier tube of SAW filter, P1 compression points using bypass is high, it is ensured that the low noise undistorted transmission of circuit,
The present embodiment uses up to SAW filter and the amplification chip of Infineon and carries out circuit design.
Preferably, the coplanar outer cover 3 is using thickening nylon material.The outer cover of this material has wind resistance anti-knock shock resistance work(
Can, make whole antenna structure reliable.
Preferably, the bottom plate cavity 6 uses aluminum alloy material.This material is on the one hand lightweight, reduces whole day knot
The weight of structure, on the other hand, cost is cheaper with respect to for aluminium.Additionally there is signal shielding to act on.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. a kind of coplanar multifrequency satellite antenna element, it is characterised in that the coplanar multifrequency satellite antenna element is installed on body
(1) in the antenna slot (2) opened up on radial direction lateral body (11), including on body radial direction lateral body it is common with the body radial direction lateral body
The conformal coplanar outer cover (3) in face, the coplanar outer cover (3) and the antenna slot (2) the first cavity of formation (7), in addition to lamination
Diectric antenna (4), the signal transacting pcb board (5) being connected with laminated medium antenna (4), the laminated medium antenna (4) include many
The different diectric antenna (41) of layer size, body radial side described in outer surface (31) reference shape of the coplanar outer cover (3)
Body (11) shape is designed, and makes coplanar outer cover outer surface (31) and body radial direction lateral body (11) seamless surface coplanar conformal,
The laminated medium antenna (4), signal transacting pcb board (5) are in first cavity (7).
2. a kind of coplanar multifrequency satellite antenna element as claimed in claim 1, it is characterised in that also including described for installing
The bottom plate cavity (6) of signal transacting pcb board (5).
3. a kind of coplanar multifrequency satellite antenna element as claimed in claim 2, it is characterised in that the groove of the antenna slot (2)
Bottom opens up grooved hole (21), and the bottom plate cavity (6) includes concave part (61) and connecting portion (62), and the concave part (61) is embedded
In the slotted eye (21), the bottom plate cavity (6) is connected by connecting portion (62) with the cell body (22) of the antenna slot (2), institute
State signal transacting pcb board (5) edge to be connected by connecting portion (62) with the bottom plate cavity (6), the signal transacting pcb board
(5) the second cavity (8) is formed with the bottom plate cavity (6)；The coplanar outer cover (3) and bottom plate cavity (6) and/or antenna slot
(2) cell body (22) connection.
4. a kind of coplanar multifrequency satellite antenna element as claimed in claim 3, it is characterised in that the signal transacting pcb board
(5) with bottom plate cavity (6), the coplanar outer cover (3) and cell body (22), the bottom of bottom plate cavity (6) and/or antenna slot (2)
The connected mode of plate cavity (6) and the cell body (22) of the antenna slot (2) is thread connecting mode and/or adhesive means, makes institute
State coplanar outer cover (3) outer surface (31) and the body (1) radial direction lateral body (11) seamless surface is coplanar conformal.
5. a kind of coplanar multifrequency satellite antenna element as claimed in claim 1, it is characterised in that the laminated medium antenna
(4) the different diectric antenna (41) of two layers of size, respectively top dielectric antenna (42), layer dielectric antenna (43), institute are included
Top dielectric antenna (42) size is stated less than the layer dielectric antenna (43).
6. a kind of coplanar multifrequency satellite antenna element as claimed in claim 1, it is characterised in that diectric antenna (41) tool
Body includes body metal ground layer (44), square dielectric layer (45), upper strata radiation surface layer (46), feed pin (47), the feed
Pin (47) integrally runs through diectric antenna (41), and being connected with upper strata radiation surface layer (46), and carry out soldering is welded together, with body
Metal ground layer (44) insulate, and is welded on signal transacting pcb board (5) and is fed；
Low-k ceramic material during the square dielectric layer (45) uses, square dielectric layer (45) thickness is 4mm-
10mm。
7. a kind of coplanar multifrequency satellite antenna element as claimed in claim 1, it is characterised in that the signal transacting pcb board
(5) it is FR4 epoxy plates, the FR4 epoxy plates downside is provided with noiselike signal module LNA.
8. a kind of coplanar multifrequency satellite antenna element as claimed in claim 7, it is characterised in that the noiselike signal module
LNA suppresses the high amplifier tube of SAW filter, P1 compression points using bypass is high.
9. a kind of coplanar multifrequency satellite antenna element as claimed in claim 1, it is characterised in that the coplanar outer cover (3) is adopted
With thickening nylon material.
10. a kind of coplanar multifrequency satellite antenna element as claimed in claim 2, it is characterised in that the bottom plate cavity (6) is adopted
Use aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720113617.3U CN206602176U (en) | 2017-02-07 | 2017-02-07 | A kind of coplanar multifrequency satellite antenna element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720113617.3U CN206602176U (en) | 2017-02-07 | 2017-02-07 | A kind of coplanar multifrequency satellite antenna element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206602176U true CN206602176U (en) | 2017-10-31 |
Family
ID=60148601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720113617.3U Expired - Fee Related CN206602176U (en) | 2017-02-07 | 2017-02-07 | A kind of coplanar multifrequency satellite antenna element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206602176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864596A (en) * | 2021-01-08 | 2021-05-28 | 中国电子科技集团公司第二十研究所 | Missile-borne high-gain backward radiation phase modulation array antenna in rotational symmetry arrangement |
-
2017
- 2017-02-07 CN CN201720113617.3U patent/CN206602176U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864596A (en) * | 2021-01-08 | 2021-05-28 | 中国电子科技集团公司第二十研究所 | Missile-borne high-gain backward radiation phase modulation array antenna in rotational symmetry arrangement |
| CN112864596B (en) * | 2021-01-08 | 2022-09-13 | 中国电子科技集团公司第二十研究所 | Missile-borne high-gain backward radiation phase modulation array antenna in rotational symmetry arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171031 Termination date: 20200207 |