CN202797296U - Mechanical type phased scanning array antenna - Google Patents
Mechanical type phased scanning array antenna Download PDFInfo
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- CN202797296U CN202797296U CN 201220479174 CN201220479174U CN202797296U CN 202797296 U CN202797296 U CN 202797296U CN 201220479174 CN201220479174 CN 201220479174 CN 201220479174 U CN201220479174 U CN 201220479174U CN 202797296 U CN202797296 U CN 202797296U
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- power divider
- array
- polarized antenna
- antenna unit
- circular polarized
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Abstract
The utility model relates to an array antenna. The array antenna is a mechanical type phased scanning array antenna and comprises an antenna array composed of N circularly polarized antenna units, a power divider network and a coaxial line. Each circularly polarized antenna unit is suspended on a rotating device, angle attitude of each circularly polarized antenna unit is controlled by rotation of the rotating device, beam directing of the antenna array is controlled by antenna array phase allocation which is achieved by phases corresponding to different angle attitude of each circularly polarized antenna unit, and phased beam scanning function of the antenna array is achieved. The mechanical type phased scanning array antenna achieves phased beam scanning by phase allocation of the antenna array and basing on initial phase information carried by own angle attitude of the circularly polarized antenna unit. By adopting the design, phased beam scanning of the antenna array is achieved, working mode is simple and flexible, and a plurality of application occasions can be suited.
Description
Technical field
The utility model relates to a kind of array antenna and beam point steering method thereof, specifically a kind of mechanical type phased scanning array antenna and beam point steering method thereof.
Background technology
Mechanical type phased scanning array antenna is a kind of angular pose by means of machinery control circular polarized antenna unit, with the initial phase information that itself attitude was comprised, realizes the phase configuration of whole array.Power divider can space electricity-feeding form, form that also can constrained feed.This technology can extensive use in various microwaves and antenna system as simple, various informative variable, convenient, the various antenna array scheme of implementation of design of a kind of system configuration.The phased scanning array antenna is generally realized beam point steering in the mode of the form control phase configuration of circuit, and its circuit is complicated, cost is high, and the control precision of phase place is limited.Generally can not realize phased beam scanning for reflective array.Application form is limited in microwave and antenna system.
The method of the realization beam point steering of existing phased scanning array antenna is mainly distinguished with the implementation of phase configuration.Major way has the mode of the direct control phase side-play amount of aanalogvoltage, the voltage control phase pushing figure of digital control, numerically controlled phase pushing figure and mechanical displacement or machinery rotation control length of transmission line or relative dielectric constant to realize phase pushing figure.The voltage control mode of analog or digital needs corresponding microwave circuit and device to realize, because the unit number of whole array is many, so cost is very high; The precision of phase pushing figure is limited simultaneously, and directly related with price.The structure that the mode of mechanical displacement or machinery rotation control length of transmission line or relative dielectric constant is general is larger, is not suitable in large-scale array to each cell location.
Existing phased scanning array antenna is widely used, but the needs along with technological progress and productive life, the mounting means of phased required precision, aerial array, cost etc. are required more and more higher, satisfy simultaneously requirement very difficult of these several respects.
The utility model content
Technical problem to be solved in the utility model is, overcome the shortcoming of prior art, a kind of mechanical type phased scanning array antenna is provided, features simple structure, cost is lower, the phased scanning array antenna that the phase control precision is high solves the deficiencies such as complicated circuit, the phased accuracy of general phased beam scanning array antenna is limited, the aerial array form can not design arbitrarily, cost is high with simple structure.
The technical scheme that the utility model solves above technical problem is
Mechanical type phased scanning array antenna, comprise the aerial array of N root circular polarized antenna cell formation, the coaxial line that the power divider network is connected with port, coaxial line comprises an input coaxial line and N root output coaxial cable, N is the integer more than or equal to 1, input coaxial line and output coaxial cable all have inner wire and outer conductor, the input coaxial line is connected with output coaxial cable has the link and the signal end that is connected external equipment that connects power divider, and the circular polarized antenna unit has signal input part; Also comprise N slewing, each circular polarized antenna unit is erected on the slewing, controls the angular pose of each circular polarized antenna unit by the rotation of slewing; The power divider network is the power divider of constrained feed working method, and it has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with the input side metallic walls, is filled with medium in the inner chamber; The link outer conductor of input coaxial line is connected to the input side metallic walls of power divider, and the link inner wire of input coaxial line passes the outlet side metallic walls that the power divider inner chamber connects power divider; The signal input part of each circular polarized antenna unit connects the link inner wire of an output coaxial cable, and passes the input side metallic walls that the power divider inner chamber is connected to power divider, and the link outer conductor of each output coaxial cable is unsettled.
Mechanical type phased scanning array antenna, comprise the aerial array of N root circular polarized antenna cell formation, the coaxial line that the power divider network is connected with port, also comprise N slewing, each circular polarized antenna unit is erected on the slewing, controls the angular pose of each circular polarized antenna unit by the rotation of slewing; The power divider network is space electricity-feeding power divider network, and space electricity-feeding power divider network is directly realized being connected with the unit of aerial array by the mode of radiation with the field coupling.
The angular pose of circular polarized antenna unit with the working method of itself circular polarization, embodies the initial phase information that comprises with attitude to identical incident wave, realizes that the angular pose of control antenna unit finishes the phase control of antenna element.
The beneficial effects of the utility model are:
The utility model adopts the mode based on the circular polarized antenna angular pose of machinery control to realize phased beam scanning, need not the active circuit that adopts price relatively high, only adopt the mode of mechanical angle control, with lower cost, with multiple concrete power divider circuits form, with the arrangement form of aerial array arbitrarily, can greatly expand the application of phased beam scanning array antenna.
The phase place that the utility model adopts the mode control antenna unit of the mechanical circular polarized antenna angular pose of controlling can realize far above general phase array phase control precision.
The utility model adopts the phase place of the mode control antenna unit of the mechanical circular polarized antenna angular pose of controlling, and replaces the Microwave Active circuit with mechanical rotating device, can realize at lower cost phased working method.
The utility model adopts the phase place of mode control antenna unit of the circular polarized antenna angular pose of machinery control, version and the circuit form of power divider network is not had concrete requirement, thereby greatly promoted the application of this technology; Control separately with the phase place of antenna element simultaneously, the arrangement form of aerial array is not required, antenna array structure can the simple and flexible design, can adapt to various application occasions.
Description of drawings
Fig. 1 is circular polarized antenna cell schematics of the present utility model.
Fig. 2 is antenna element of the present utility model and slewing structural representation.
Fig. 3 is antenna array structure schematic diagram of the present utility model.
Fig. 4 is the utility model embodiment 1 space electricity-feeding power distributing network structural representation.
Fig. 5 is the utility model embodiment 2 constrained feed power distributing network structural representations.
Embodiment
Embodiment 1
The mechanical type phased scanning array antenna of present embodiment, structure as shown in Figure 4, comprise N root circular polarized antenna unit 111,112 ... the aerial array that 11N consists of, the coaxial line 14 that power divider network 13 is connected with port, the circular polarized antenna unit as shown in Figure 1, aerial array as shown in Figure 3, also comprise N slewing, slewing as shown in Figure 2, each circular polarized antenna unit is erected on the slewing, controls the angular pose of each circular polarized antenna unit by the rotation of slewing; Power divider network 13 is space electricity-feeding power divider network, and space electricity-feeding power divider network is directly realized being connected with the unit of aerial array by the mode of radiation with the field coupling.
The mechanical type phased scanning array antenna beam pointing control method of present embodiment, control the angular pose of circular polarized antenna unit by the rotation of slewing, phase configuration with the corresponding phase place realization of the different angular pose in circular polarized antenna unit aerial array comes the control antenna array beams to point to, and realizes the phased beam scanning function of aerial array.
Take certain circular polarized antenna unit of aerial array as reference, the angle of its adjacent circular polarized antenna unit up and down is with identical amplitude successively increasing or decreasing, realize the phase configuration of aerial array, a kind of phase configuration correspondence of whole aerial array a kind of beam position of aerial array, realize the phased beam scanning function of aerial array.
The function of the version of power divider 13 and circuit form and phased scanning is irrelevant, and multiple application can be arranged.The arrangement form of aerial array and the function of phased scanning are irrelevant, and various ways can be arranged.The corresponding assembling with mechanical rotating device of antenna element; Mechanical rotation equipment is independently controlled.Space electricity-feeding power distributing network structure distributes at the phase and magnitude of array surface with the antenna pattern of feed antenna, finishes each unit of array and receives the synthetic of signal.
Embodiment 2
The mechanical type phased scanning array antenna of present embodiment, structure as shown in Figure 5, comprise N root circular polarized antenna unit 111,112, the aerial array that 11N consists of, the coaxial line 14 that power divider network 13 is connected with port, the circular polarized antenna unit as shown in Figure 1, aerial array as shown in Figure 3, coaxial line 14 comprises an input coaxial line and N root output coaxial cable, N is the integer more than or equal to 1, input coaxial line and output coaxial cable all have inner wire and outer conductor, the input coaxial line is connected with output coaxial cable has the link and the signal end that is connected external equipment that connects power divider, and the circular polarized antenna unit has signal input part; Also comprise N slewing 12, each circular polarized antenna unit is erected on the slewing 12, and slewing is controlled the angular pose of each circular polarized antenna unit as shown in Figure 2 by the rotation of slewing; Power divider network 13 is the power divider of constrained feed working method, and it has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with the input side metallic walls, is filled with medium in the inner chamber; The link outer conductor of input coaxial line is connected to the input side metallic walls of described power divider, and the link inner wire of input coaxial line passes the outlet side metallic walls that the power divider inner chamber connects power divider; Each circular polarized antenna unit 111,112 ... the signal input part of 11N all connects the link inner wire of an output coaxial cable, and passing the input side metallic walls that the power divider inner chamber is connected to power divider, the link outer conductor of each output coaxial cable is unsettled.
The mechanical type phased scanning array antenna beam pointing control method of present embodiment, control the angular pose of circular polarized antenna unit by the rotation of slewing, phase configuration with the corresponding phase place realization of the different angular pose in circular polarized antenna unit aerial array comes the control antenna array beams to point to, and realizes the phased beam scanning function of aerial array.With the angular pose of circular polarized antenna unit take its center as rotating shaft of helix form, characterized the information of antenna element initial phase.
Place present embodiment aerial array isoplanar, and the angular pose of circular polarized antenna unit is all identical, has realized the same-phase distribution, the corresponding beam position of array normal direction.
The function of the version of power divider 13 and circuit form and phased scanning is irrelevant, and multiple application can be arranged.The arrangement form of aerial array and the function of phased scanning are irrelevant, and various ways can be arranged.The corresponding assembling with mechanical rotating device of antenna element; Mechanical rotation equipment is independently controlled.Constrained feed power distributing network structure realizes physical circuit with concrete transmission line form, finishes each unit of array and receives the synthetic of signal.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (2)
1. mechanical type phased scanning array antenna, comprise N root circular polarized antenna unit (111,112, the aerial array that 11N) consists of, the coaxial line (14) that power divider network (13) is connected with port, described coaxial line (14) comprises an input coaxial line and N root output coaxial cable, described N is the integer more than or equal to 1, described input coaxial line and output coaxial cable all have inner wire and outer conductor, described input coaxial line is connected with output coaxial cable has the link and the signal end that is connected external equipment that connects power divider, and described circular polarized antenna unit has signal input part; It is characterized in that: also comprise N slewing (12), described each circular polarized antenna unit is erected on the slewing (12), controls the angular pose of each circular polarized antenna unit by the rotation of slewing; Described power divider network (13) is the power divider of constrained feed working method, it has inner chamber, is positioned at the input side metallic walls of inner chamber one side and the outlet side metallic walls that be positioned at inner chamber opposite side relative with the input side metallic walls, is filled with medium in the described inner chamber; The link outer conductor of described input coaxial line is connected to the input side metallic walls of described power divider, and the link inner wire of described input coaxial line passes the outlet side metallic walls that described power divider inner chamber connects described power divider; Described each circular polarized antenna unit (111,112 ... signal input part 11N) all connects the link inner wire of an output coaxial cable, and passing the input side metallic walls that described power divider inner chamber is connected to described power divider, the link outer conductor of described each output coaxial cable is unsettled.
2. mechanical type phased scanning array antenna, comprise N root circular polarized antenna unit (111,112 ... the aerial array that 11N) consists of, the coaxial line (14) that power divider network (13) is connected with port, it is characterized in that: also comprise N slewing (12), described each circular polarized antenna unit is erected on the slewing (12), controls the angular pose of each circular polarized antenna unit by the rotation of slewing; Described power divider network (13) is space electricity-feeding power divider network, and space electricity-feeding power divider network is directly realized being connected with the unit of aerial array by the mode of radiation with the field coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479174 CN202797296U (en) | 2012-09-19 | 2012-09-19 | Mechanical type phased scanning array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220479174 CN202797296U (en) | 2012-09-19 | 2012-09-19 | Mechanical type phased scanning array antenna |
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| Publication Number | Publication Date |
|---|---|
| CN202797296U true CN202797296U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220479174 Expired - Fee Related CN202797296U (en) | 2012-09-19 | 2012-09-19 | Mechanical type phased scanning array antenna |
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| CN (1) | CN202797296U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868028A (en) * | 2012-09-19 | 2013-01-09 | 无锡创元电子科技有限公司 | Mechanical type phase control scanning array antennae and wave beam pointing control method thereof |
| CN116706508A (en) * | 2023-06-15 | 2023-09-05 | 西安电子科技大学 | Cube star helical antenna array capable of realizing beam steering and method |
-
2012
- 2012-09-19 CN CN 201220479174 patent/CN202797296U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868028A (en) * | 2012-09-19 | 2013-01-09 | 无锡创元电子科技有限公司 | Mechanical type phase control scanning array antennae and wave beam pointing control method thereof |
| CN102868028B (en) * | 2012-09-19 | 2014-08-20 | 无锡创元电子科技有限公司 | Mechanical type phase control scanning array antennae and wave beam pointing control method thereof |
| CN116706508A (en) * | 2023-06-15 | 2023-09-05 | 西安电子科技大学 | Cube star helical antenna array capable of realizing beam steering and method |
| CN116706508B (en) * | 2023-06-15 | 2023-12-01 | 西安电子科技大学 | Cube star helical antenna array capable of realizing beam steering and method |
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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: 20130313 Termination date: 20140919 |
|
| EXPY | Termination of patent right or utility model |