CN212783802U - S-band high-gain wide-angle scanning phased array antenna - Google Patents
S-band high-gain wide-angle scanning phased array antenna Download PDFInfo
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- CN212783802U CN212783802U CN202022020232.7U CN202022020232U CN212783802U CN 212783802 U CN212783802 U CN 212783802U CN 202022020232 U CN202022020232 U CN 202022020232U CN 212783802 U CN212783802 U CN 212783802U
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- array antenna
- phased array
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Abstract
The utility model provides an S-band high-gain wide-angle scanning phased-array antenna, which comprises a medium substrate and a reflecting plate, wherein a plurality of first radiation arms and second radiation arms corresponding to the first radiation arms are respectively arranged on two surfaces of the medium substrate; a plurality of mounting grooves are formed in the reflecting plate, the dielectric substrate penetrates through the mounting grooves to be fixed on the reflecting plate to form a matrix array element, the reflecting plate is provided with a feed point corresponding to each first radiation arm, and the matrix array elements are connected through the reflecting plates between the two to form the phased array antenna. The utility model discloses a wide angle scanning phased array antenna of S wave band high gain, its scanning angle is big, and the cost of manufacture is low, and uses "brick formula" structure to do benefit to the complete machine integration.
Description
Technical Field
The utility model relates to a wireless communication technology field particularly, relates to a S wave band high gain wide angle scanning phased array antenna.
Background
Phased array antennas are a core part of phased array systems, especially two-dimensional active phased array antennas, the level of integration of which determines the performance and cost of the overall system. The cost of an active phased array antenna is not the primary factor, but the requirements for volume, weight and power consumption are very strict. The active phased array antenna can be roughly classified into a brick type and a tile type according to a circuit assembly method. The brick type active phased array antenna is considered as a first generation product and has the defects of heavy weight, heavy volume and difficult production and assembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that not enough to prior art provides a S wave band high-gain wide angle scanning phased array antenna.
The embodiment of the utility model discloses a realize through following technical scheme: an S-band high-gain wide-angle scanning phased-array antenna comprises a dielectric substrate and a reflecting plate,
a plurality of first radiation arms and second radiation arms corresponding to the first radiation arms are respectively arranged on two plate surfaces of the medium substrate;
the reflecting plate is provided with a plurality of mounting grooves, the dielectric substrate is fixed on the reflecting plate through the mounting grooves to form a matrix array element, the reflecting plate is provided with a feed point corresponding to each first radiation arm,
the array elements are connected through the reflecting plates to form the phased array antenna.
According to a preferred embodiment, the first radiation arm and the second radiation arm are both vertically disposed on the dielectric substrate, wherein,
the lower bottom of the first radiation arm is flush with the top of the feed point, and the lower bottom of the second radiation arm is connected with the reflecting plate.
According to a preferred embodiment, the first and second radiating arms each comprise a first section and a second section, the first sections of the first and second radiating arms each being arranged in an inverted L-shape, wherein,
the second section of the first radiation arm is a rectangular section with the same width as the bottom of the first section of the first radiation arm;
the second section of the second radiation arm comprises an isosceles trapezoid section and a rectangular section which is equal in width to the lower bottom of the isosceles trapezoid section and is connected with the lower bottom of the isosceles trapezoid section.
According to a preferred embodiment, the outer side of the first section of the first and second radiating arms is further provided with a chamfer.
According to a preferred embodiment, a plurality of mounting and fixing holes are formed in one side of the short edge of the reflecting plate, and the caliber of the top of each mounting and fixing hole is larger than that of the bottom of each mounting and fixing hole.
According to a preferred embodiment, the reflector plate has a plurality of first via holes and second via holes disposed between the dielectric substrates.
According to a preferred embodiment, the dielectric substrate material is a single-layer PCB.
According to a preferred embodiment, a plurality of the dielectric substrates are symmetrically arranged at equal intervals, and the interval is 48-50 mm.
The utility model discloses technical scheme has following advantage and beneficial effect at least: the utility model discloses a wide angle scanning phased array antenna of S wave band high gain, its scanning angle is big, and the cost of manufacture is low, and uses "brick formula" structure to do benefit to the complete machine integration.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an array element provided in embodiment 1 of the present invention;
fig. 2 is a front view of a phased array antenna provided in embodiment 1 of the present invention;
fig. 3 is a back view of a phased array antenna provided in embodiment 1 of the present invention;
fig. 4 is a bottom view of a phased array antenna provided in embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a reflection plate provided in embodiment 1 of the present invention;
fig. 6 is a schematic view of a reflector array provided in embodiment 1 of the present invention;
fig. 7 is a schematic front view of a dielectric substrate provided in embodiment 1 of the present invention;
fig. 8 is a schematic view of the back surface of a dielectric substrate provided in embodiment 1 of the present invention;
fig. 9 is a schematic view of a first radiation arm provided in embodiment 1 of the present invention;
fig. 10 is a schematic view of a second radiation arm provided in embodiment 1 of the present invention;
icon: 1-a dielectric substrate, 101-a first radiation arm, 102-a second radiation arm, 103-a plugging area, 104-an arch slot, 105-a connector, 2-a reflector, 201-a mounting groove, 202-a feed point, 203-a mounting fixing hole position, 204-a first via hole and 205-a second via hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as a limitation of the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 to 10, the present embodiment provides an S-band high-gain wide-angle scanning phased array antenna, including a dielectric substrate and a reflector plate,
in this embodiment, as shown in fig. 7 and 8, a single-layer PCB is used as a dielectric substrate material, preferably, a domestic board is used to reduce the manufacturing cost, two board surfaces of the dielectric substrate are respectively provided with a plurality of first radiation arms and second radiation arms corresponding to the first radiation arms, and the bottom of the dielectric substrate is further provided with an insertion area;
the first radiation arm and the second radiation arm are both vertically arranged on the medium substrate, optionally, the first radiation arm and the second radiation arm are both arranged on the surface of the medium substrate in a printing mode, the thickness of the first radiation arm is about 0.03mm, and the thickness of the second radiation arm is about 0.04 mm; in this example, the first and second radiating arms are both copper-clad, so that when they receive or radiate electromagnetic waves, their attenuation rates are low, wherein,
the top parallel and level of going to the bottom and presenting a little of first radiation arm, the second radiation arm go to the bottom and link to each other with the reflecting plate, and is optional, and aluminium matter base plate or copper base plate can be chooseed for use to the material of reflecting plate, through setting up the reflecting plate, can improve the utility model discloses a sensitivity.
As shown in FIGS. 5 and 6, the reflector, in this embodiment, has a length of about 733mm, a width of about 100mm, and a thickness of about 1.5 mm; a plurality of mounting grooves are formed in the reflecting plate array, the width of each mounting groove is about 1.72mm, the length of each mounting groove is about 720.2mm, and the plurality of reflecting plates are connected to form the reflecting plate array; the reflecting plate corresponds every first radiation arm and has all seted up the feed point, and in this embodiment, the width of feed point is about 1.4mm, and length is about 10mm, and highly about 1.5mm, when first radiation arm radiated the electromagnetic wave, along first radiation arm downward radiation, get into free space through the feed point.
A plurality of mounting and fixing hole positions are formed in one side of the short edge of the reflecting plate, and optionally, the mounting and fixing hole positions are respectively formed in the two sides and the middle of the short edge so as to ensure a better fixing effect; the caliber of the top of the mounting and fixing hole site is larger than that of the bottom; through the arrangement, the matched screws can be screwed into the mounting and fixing hole positions.
The reflecting plate is provided with a plurality of first via holes and second via holes between the dielectric substrates, in the embodiment, the first via holes and the second via holes are arranged on two sides of a transverse symmetry axis of the reflecting plate, and each side is provided with 2 first via holes and 2 second via holes.
As shown in fig. 9 and 10, each of the first and second radiating arms includes a first section and a second section, and the first section of each of the first and second radiating arms is disposed in an inverted L-shape, which in this embodiment is about 19.4mm in transverse length, about 4.8mm in width, and about 13.8mm in longitudinal length.
The outer side of the first section of the first radiation arm and the second radiation arm at the bent position is also provided with a cutting angle, in the embodiment, the cutting angle is an isosceles right triangle, the waist length of the isosceles right triangle is about 4.78mm, and the bottom side length of the isosceles right triangle is about 6.79 mm; through setting up the corner cut, can reduce the area of first radiation arm and second radiation arm, when radiation or receiving electromagnetic wave, reduce the reflection to the electromagnetic wave.
The second section of the first radiating arm is a rectangular section with the same width as the bottom of the first section of the first radiating arm, and in this embodiment, the width of the rectangular section is about 4.78mm, and the vertical height of the rectangular section is about 14.21 mm.
The second section of the second radiation arm comprises an isosceles trapezoid section and a rectangular section which is equal in width to the lower bottom of the isosceles trapezoid section and is connected with the lower bottom of the isosceles trapezoid section, wherein the length of the upper bottom surface of the isosceles trapezoid section is about 4.8mm, the length of the lower bottom surface of the isosceles trapezoid section is about 14.79mm, the length of the waist of the isosceles trapezoid section is about 8.52mm, and the height of the rectangular section is about 5.1 mm; the bottom ends of the rectangular sections of the second radiation arms are provided with feeder lines connected with the second radiation arms, the feeder lines are parallel to the medium substrate, the structure of the feeder lines is simple, and the feeder lines are convenient to process while being convenient to perform simulation calculation; in this embodiment, 12 of the second radiation arms and the first radiation arms are arranged at equal intervals, and the bottom of the rectangular section on one side of the second radiation arms is further connected with a plurality of parallel joints, and the number of the joints is 15.
As shown in fig. 1 to 4, in this embodiment, a dielectric substrate passes through a mounting groove and is fixed on a reflector plate to form a matrix array element, wherein the lengths of the upper portions of the dielectric substrate and the reflector plate are about 30mm, and the length of the lower portion of the dielectric substrate and the reflector plate is about 24.5mm, in this embodiment, 2 dielectric substrates are fixed on a single reflector plate, the dielectric substrates are symmetrically arranged at equal intervals, the intervals are 48 to 50mm, the matrix array elements are connected through the reflector plates to form a phased array antenna, and the connection manner may be welding; in this embodiment, array unit quantity is 2, and phased array antenna's width is about 600mm, and length is about 733mm, the utility model discloses a "brick formula" structure, simple structure, easily processing is convenient for assemble, constitute the array, does benefit to whole machine integration, and scanning angle is big when phased array antenna scans, can fine satisfy the demand as phased array antenna.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An S-band high-gain wide-angle scanning phased-array antenna is characterized by comprising a dielectric substrate and a reflecting plate,
a plurality of first radiation arms and second radiation arms corresponding to the first radiation arms are respectively arranged on two plate surfaces of the medium substrate;
the reflecting plate is provided with a plurality of mounting grooves, the dielectric substrate is fixed on the reflecting plate through the mounting grooves to form a matrix array element, the reflecting plate is provided with a feed point corresponding to each first radiation arm,
the array elements are connected through the reflecting plates to form the phased array antenna.
2. The S-band high-gain wide-angle scanning phased array antenna of claim 1, wherein said first radiating arm and said second radiating arm are each disposed perpendicularly to said dielectric substrate, wherein,
the lower bottom of the first radiation arm is flush with the top of the feed point, and the lower bottom of the second radiation arm is connected with the reflecting plate.
3. The S-band high-gain wide-angle scanning phased array antenna of claim 2, wherein the first radiating arm and the second radiating arm each comprise a first segment and a second segment, the first segment of the first radiating arm and the second radiating arm each being in an inverted-L configuration, wherein,
the second section of the first radiation arm is a rectangular section with the same width as the bottom of the first section of the first radiation arm;
the second section of the second radiation arm comprises an isosceles trapezoid section and a rectangular section which is equal in width to the lower bottom of the isosceles trapezoid section and is connected with the lower bottom of the isosceles trapezoid section.
4. The S-band high-gain wide-angle scanning phased array antenna of claim 3, wherein a cut angle is further provided outside the first bend in the first and second radiating arms.
5. The S-band high-gain wide-angle scanning phased array antenna of claim 1, wherein a plurality of mounting holes are provided on one side of a short side of the reflector plate, and a diameter of a top of the mounting holes is larger than a diameter of a bottom of the mounting holes.
6. The S-band high-gain wide-angle scanning phased array antenna of claim 1, wherein the reflector plate defines a plurality of first and second vias between the dielectric substrates.
7. The S-band high-gain wide-angle scanning phased array antenna of claim 1, wherein said dielectric substrate material is a single layer PCB board.
8. The S-band high-gain wide-angle scanning phased array antenna according to claim 1, wherein a plurality of said dielectric substrates are symmetrically arranged at equal intervals, and the interval is 48-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022020232.7U CN212783802U (en) | 2020-09-15 | 2020-09-15 | S-band high-gain wide-angle scanning phased array antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022020232.7U CN212783802U (en) | 2020-09-15 | 2020-09-15 | S-band high-gain wide-angle scanning phased array antenna |
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| CN212783802U true CN212783802U (en) | 2021-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116845571A (en) * | 2023-08-11 | 2023-10-03 | 成都辰星迅联科技有限公司 | Wide-angle scanning circular polarization brick type phased array |
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2020
- 2020-09-15 CN CN202022020232.7U patent/CN212783802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116845571A (en) * | 2023-08-11 | 2023-10-03 | 成都辰星迅联科技有限公司 | Wide-angle scanning circular polarization brick type phased array |
| CN116845571B (en) * | 2023-08-11 | 2023-12-22 | 成都辰星迅联科技有限公司 | Wide-angle scanning circular polarization brick type phased array |
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