CN208820054U - A kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type - Google Patents
A kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type Download PDFInfo
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- CN208820054U CN208820054U CN201821831964.0U CN201821831964U CN208820054U CN 208820054 U CN208820054 U CN 208820054U CN 201821831964 U CN201821831964 U CN 201821831964U CN 208820054 U CN208820054 U CN 208820054U
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Abstract
The utility model provides a kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type, it includes feed and array antenna elements, the feed is used to provide space illumination source for the array antenna elements and receives the scattering electromagnetic wave of the array antenna elements, has the advantages that feeder loss is small, beam scanning speed is fast, array scale expansion is strong, structure is simple, section is low, light-weight, easily conformal, at low cost.
Description
Technical field
The utility model relates to array antenna technique field more particularly to it is a kind of based on the phased resistance electromagnetic surface of transmission-type can
Restructuring array antenna.
Background technique
Wave beam reconfigurable arrays antenna with high-gain beam scanning characteristic has extensive near field safety check imaging field
Application.Existing high-gain beam scanning antennas mainly has mechanical paraboloid of revolution antenna and automatically controlled phased array antenna two big
Class.Wherein, rotary parabolic surface antenna has many advantages, such as simple structure, low cost, high efficiency, but its shape be special curved surface,
Bulky, heavy and beam scanning speed are slow, servo-system require it is high.Electricity is swept on phased array antenna can preferably overcome
Deficiency is stated, not only scanning speed is fast, performance is more flexible, and plane or conformal structure are more favorable to keep conformal with carrier,
But the design of its feeding network is complicated, and especially when antenna aperture increases, feeder loss is higher, and the radiation efficiency of antenna is lower, can
The gain of realization is limited.Although introducing solid-state transmitting-receiving subassembly in the cells can reduce feeder loss, cost, the weight of system
It will greatly improve, these all limit its large-scale application.
Utility model content
Technical problem to be solved in the utility model be how to provide a kind of feeder loss is small, beam scanning speed is fast,
Reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type at low cost.
In order to solve the above technical problems, technical solution adopted in the utility model is: one kind being based on the phased electricity of transmission-type
The reconfigurable arrays antenna of magnetic surface characterized by comprising feed and array antenna elements, the feed is for being described
Array antenna elements provide space illumination source and receive the scattering electromagnetic wave of the array antenna elements；
The array antenna elements include multiple digital radiation units, and each digital radiation unit includes:
Radiation Module；
DC bias circuit is connect with the Radiation Module, for providing bias current for the Radiation Module；
Digital control device is integrated on the Radiation Module, for adjusting radiation mode in different DC biased
The phase of block.
A further technical solution lies in: the feed is placed in the array antenna elements rear, and the array antenna
When component is in the far field irradiated region of the feed, the array antenna elements are in far field transmissive operation state, the number
Word radiating element includes the first metal patch layer, first medium plate, the second metal patch layer, second medium plate and straight from top to bottom
Flow biasing circuit layer, wherein
The first metal patch layer is provided with the Radiation Module and the digital control device；
The metal wire that the DC bias circuit layer is provided with fan-shaped metal wire and connect with voltage source, described and voltage source
The metal wire of connection is connect with the fan-shaped metal wire；
The first metal patch layer is connected by the first conducting connecting part with the ground of voltage source, it is described sector metal wire and
The second conducting connecting part is provided between the first metal patch layer, second conducting connecting part and second metal paste
Lamella, which is evaded, to be separated, and second conducting connecting part is connect with the Radiation Module and the fan-shaped metal wire respectively.
A further technical solution lies in: the center of circle of the sector metal wire and the center of circle weight of second conducting connecting part
It closes, the subtended angle of the sector metal wire is 60 degree.
A further technical solution lies in: the digital control device is bis- pole of PIN diode, varactor or MEMS
Pipe, liquid crystal (LC).
The beneficial effects of adopting the technical scheme are that
The array antenna using digital control device adjust each digital radiation unit of resistance electromagnetic surface reflected phase or
Person's transmission phase, and each list in surface is adjusted by numerically controlled mode from space illumination whole surface using horn feed
The phase of member, so that dynamic scan wave beam, agile wave beam or the multi-beam of high-gain focusing are obtained, small with feeder loss,
The advantage that beam scanning speed is fast, array scale expansion is strong, structure is simple, section is low, light-weight, easily conformal, at low cost.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of array antenna described in the utility model embodiment；
Fig. 2 is the functional block diagram of digital radiation unit in array antenna elements described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of digital radiation unit in array antenna elements described in the utility model embodiment；
Fig. 4 is the schematic cross-sectional view of digital radiation unit in array antenna elements described in the utility model embodiment；
Fig. 5 is the structural schematic diagram of DC bias circuit layer and second medium plate described in the utility model embodiment；
Fig. 6 is the functional block diagram of array antenna described in the utility model embodiment；
Wherein: 1, feed 2, array antenna elements 3, digital radiation unit 31, the first metal patch layer 311, Radiation Module
312, digital control device 32, first medium plate 33, the second metal patch layer 34, second medium plate 35, DC bias circuit layer
351, fan-shaped metal wire 352, the metal wire 36 being connect with control signal wire, the first conducting connecting part 37, the second conducting connecting part.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
As shown in Figure 1, the utility model embodiment discloses the reconfigurable arrays day based on the phased resistance electromagnetic surface of transmission-type
Line characterized by comprising feed 1 and array antenna elements 2, the feed 1 are used to provide for the array antenna elements 2
Space illumination source and the scattering electromagnetic wave for receiving the array antenna elements 2；
The array antenna elements 2 include multiple digital radiation units 3, as shown in Fig. 2, each digital radiation unit
3 include:
Radiation Module；
DC bias circuit is connect with the Radiation Module, for providing bias current for the Radiation Module；
Digital control device is integrated on the Radiation Module, for adjusting radiation mode in different DC biased
The phase of block.
As shown in Figure 1, the feed 1 is placed in 2 rear of array antenna elements, and the array antenna elements 2 are in
When the far field irradiated region of the feed 1, the array antenna elements 2 are in far field transmissive operation state.Such as Fig. 3-Fig. 5 institute
Show, the digital radiation unit 3 includes the first metal patch layer 31, first medium plate 32, the second metal patch layer from top to bottom
33, second medium plate 34 and DC bias circuit layer 35, wherein
The first metal patch layer 31 is provided with the Radiation Module 311 and the digital control device 312；
The metal wire 352 that the DC bias circuit layer 35 is provided with fan-shaped metal wire 351 and connect with voltage source, it is described
The metal wire 352 connecting with voltage source is connect with the fan-shaped metal wire 351；
The first metal patch layer is connected by the first conducting connecting part 36 with the ground of voltage source, the sector metal wire
The second conducting connecting part 37, second conducting connecting part 37 and institute are provided between 351 and the first metal patch layer 31
State the second metal patch layer 33 and evade and separate, second conducting connecting part 37 respectively with the Radiation Module 311 and the fan
Shape metal wire 351 connects.
Further, the center of circle of the fan-shaped metal wire 351 is overlapped with the center of circle of second conducting connecting part 37, described
The subtended angle of fan-shaped metal wire 351 is 60 degree.
Preferably, the digital control device 312 is PIN diode, varactor or mems switch.
Further, when feed 1 and array antenna elements 2 are near field transmissive operation state, feed 1 and array antenna
General three wavelength of the distance of component 2 have low section feature by the array antenna that feed 1 and array antenna elements form at this time.
In one embodiment of the utility model, PIN diode is the diode of microsemi company production, work
It include: conducting, cut-off as state.
In one embodiment of the utility model, first medium plate 32 is Taconic RF-60, and relative dielectric constant is
6.15, but it is not limited to the plate of the electromagnetic parameter.
In one embodiment of the utility model, second medium plate 34 is FR-4, relative dielectric constant 4.4, but not
It is confined to the plate of the electromagnetic parameter.
The side length of unit in the utility model embodiment, radiation patch determines working frequency, by adjusting the first side
It is long, the cell operation can be made in the frequency of needs.
The array antenna directly adjusts the radiating phase of each digital radiation unit using integrated digital control device,
And all digital radiation lists of antenna array elements are adjusted by numerically controlled mode from space illumination whole surface using feed
The phase of member, to obtain the dynamic scan wave beam and agile wave beam of high-gain focusing.This high-gain beam scanning antennas is set
Meter method, the advantages of combining common parabola antenna and phased array antenna, while the deficiency both overcome, have very prominent
Performance, cost and popularization and use advantage out.Specific manifestation are as follows: feeder loss is small, radiation efficiency is high, beam scanning speed is fast,
Array scale expansion is strong, structure is simple, light-weight, easily conformal, at low cost etc..
Claims (4)
1. a kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type characterized by comprising feed (1) and battle array
Array antenna component (2), the feed (1) are used to provide space illumination source for the array antenna elements (2) and receive the battle array
The scattering electromagnetic wave of array antenna component (2)；
The array antenna elements (2) include multiple digital radiation units (3), and each digital radiation unit (3) includes:
Radiation Module；
DC bias circuit is connect with the Radiation Module, for providing bias current for the Radiation Module；
Digital control device is integrated on the Radiation Module, for adjusting Radiation Module in different DC biased
Phase.
2. the reconfigurable arrays antenna as described in claim 1 based on the phased resistance electromagnetic surface of transmission-type, it is characterised in that:
The feed (1) is placed in the array antenna elements (2) rear, and the array antenna elements (2) are in the feed
(1) when far field irradiated region, the array antenna elements (2) are in far field transmissive operation state, the digital radiation unit
It (3) from top to bottom include the first metal patch layer (31), first medium plate (32), the second metal patch layer (33), second medium
Plate (34) and DC bias circuit layer (35), wherein
The first metal patch layer (31) is provided with the Radiation Module (311) and the digital control device (312)；
The metal wire (352) that the DC bias circuit layer (35) is provided with fan-shaped metal wire (351) and connect with voltage source, institute
The metal wire (352) connecting with voltage source is stated to connect with the fan-shaped metal wire (351)；
The first metal patch layer is connected by the first conducting connecting part (36) with the ground of voltage source, the sector metal wire
(351) it is provided with the second conducting connecting part (37) between the first metal patch layer (31), second conducting connecting part
(37) evade with the second metal patch layer (33) and separating, second conducting connecting part (37) respectively with the Radiation Module
(311) it is connected with the fan-shaped metal wire (351).
3. the reconfigurable arrays antenna as claimed in claim 2 based on the phased resistance electromagnetic surface of transmission-type, it is characterised in that: described
The center of circle of fan-shaped metal wire (351) is overlapped with the center of circle of second conducting connecting part (37), the sector metal wire (351)
Subtended angle is 60 degree.
4. the reconfigurable arrays antenna as described in claim 1 based on the phased resistance electromagnetic surface of transmission-type, it is characterised in that: described
Digital control device (312) is PIN diode, varactor or MEMS diode, liquid crystal (LC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831964.0U CN208820054U (en) | 2018-11-08 | 2018-11-08 | A kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831964.0U CN208820054U (en) | 2018-11-08 | 2018-11-08 | A kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type |
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| CN208820054U true CN208820054U (en) | 2019-05-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273846A (en) * | 2018-11-08 | 2019-01-25 | 中国电子科技集团公司第五十四研究所 | A kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type |
| CN111929646A (en) * | 2020-08-14 | 2020-11-13 | 中国地质大学（北京） | Beam scanning ground penetrating radar system and intelligent beam scanning detection method |
-
2018
- 2018-11-08 CN CN201821831964.0U patent/CN208820054U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273846A (en) * | 2018-11-08 | 2019-01-25 | 中国电子科技集团公司第五十四研究所 | A kind of reconfigurable arrays antenna based on the phased resistance electromagnetic surface of transmission-type |
| CN111929646A (en) * | 2020-08-14 | 2020-11-13 | 中国地质大学（北京） | Beam scanning ground penetrating radar system and intelligent beam scanning detection method |
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