CN116613544A - Compact high gain broadband lens antenna - Google Patents
Compact high gain broadband lens antenna Download PDFInfo
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- CN116613544A CN116613544A CN202310775126.5A CN202310775126A CN116613544A CN 116613544 A CN116613544 A CN 116613544A CN 202310775126 A CN202310775126 A CN 202310775126A CN 116613544 A CN116613544 A CN 116613544A
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- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 59
- 238000001465 metallisation Methods 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 19
- 230000005284 excitation Effects 0.000 claims description 15
- 239000003989 dielectric material Substances 0.000 claims description 2
- MINPZZUPSSVGJN-UHFFFAOYSA-N 1,1,1,4,4,4-hexachlorobutane Chemical compound ClC(Cl)(Cl)CCC(Cl)(Cl)Cl MINPZZUPSSVGJN-UHFFFAOYSA-N 0.000 description 11
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 11
- 101150049492 DVR gene Proteins 0.000 description 11
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 1
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application discloses a compact high-gain broadband lens antenna, and relates to the technical field of antennas for communication. The lens antenna comprises a Vivaldi antenna and a dielectric lens, the Vivaldi antenna comprises a first PCB and a second PCB which are crossed in a cross shape, a lens installation space is formed at the upper part of the first PCB after the first PCB and the second PCB are crossed, and the dielectric lens is fixed in the lens installation space. The Vivaldi antenna and the dielectric lens are combined by the lens antenna, so that the high-gain and broadband characteristics can be realized under the smaller size.
Description
Technical Field
The application relates to the technical field of antennas for communication, in particular to a compact high-gain broadband lens antenna.
Background
The Vivaldi antenna generally introduces energy in the form of microstrip, strip line or coaxial transmission line, converts energy between a feed transmission line and a radiation slot line in an electromagnetic coupling or dielectric coupling mode, transmits electromagnetic waves to free space through the slot line, generally adopts a circular cavity as a short circuit terminal at a slot line terminal, and adopts a sector branch as an open circuit terminal at a microstrip terminal so as to realize broadband matching of the whole feed part. When Vivaldi is operated at low frequency, the length of the antenna is smaller than a free space wavelength, and the width of the slot line is far smaller than half of the operating wavelength, the slot line can not radiate energy, and the slot line can be used as a low-loss transmission medium.
Disclosure of Invention
The application aims to provide a lens antenna with high gain and wide frequency band.
In order to solve the technical problems, the application adopts the following technical scheme: the utility model provides a compact high gain broadband lens antenna, includes Vivaldi antenna and dielectric lens, the Vivaldi antenna is including being crisscross first PCB board and the second PCB board, first PCB board and the crisscross back of setting of second PCB board form lens installation space in its upper portion, dielectric lens fixes in the lens installation space.
The further technical proposal is that: the first PCB comprises a first dielectric substrate, the whole of the first dielectric substrate is of a polygonal structure, a first groove is formed in the upper side of the first dielectric substrate, and the first groove is matched with the dielectric lens; the front surface of the first dielectric substrate is provided with a first front surface metallization pattern, the first front surface metallization pattern comprises a left half front surface metallization pattern and a right half front surface metallization pattern which are bilaterally symmetrical, the whole of the left half front surface metallization pattern is of a fan-shaped structure, the lower left side of the left half front surface metallization pattern is provided with a fan-shaped first notch, the middle left side of the left half front surface metallization pattern is provided with a fan-shaped second notch, and the lower right side of the left half front surface metallization pattern is provided with a semicircular notch; a first slot is formed along the central line of the first dielectric substrate, the upper end of the first slot is positioned at the bottom of the groove, the lower end of the first slot extends to the upper side of the semicircular notch, and a metal excitation pattern is formed on the back of the dielectric substrate.
The further technical proposal is that: the metal excitation pattern comprises an extension part, the lower end of the extension part extends to the lower side edge of the dielectric substrate and is used for being connected with an SMA joint, the extension part vertically extends upwards to be connected with one end of an arc-shaped part, the other end of the arc-shaped part extends to a first dielectric substrate on the back surface of the corresponding position on the upper side of the semicircular notch, and then extends continuously to cross the central line of the first dielectric substrate and then is connected with the fan-shaped part.
The further technical proposal is that: the structure of the second PCB is similar to that of the first PCB, the second PCB comprises a second dielectric substrate, the whole of the second dielectric substrate is of a polygonal structure, a second groove is formed in the upper side of the second dielectric substrate and is matched with the dielectric lens, a second front metallization pattern is formed in the front of the second dielectric substrate and is identical to that of the first front metallization pattern, a metal excitation pattern formed in the back of the second dielectric substrate is identical to that formed in the back of the first dielectric substrate, a second slot is formed along the central line part of the second dielectric substrate, the upper end of the second slot is located at the lower side of an arc-shaped part in the metal excitation pattern structure in the back of the second dielectric substrate, the lower end of the second slot is located at the edge of the second dielectric substrate, the upper part of the second PCB is inserted into the first slot of the first PCB, and the lower part of the first PCB is inserted into the second slot of the second PCB.
The further technical proposal is that: the lens antenna further comprises a mounting seat, the bottom surface of the mounting seat is metallized, a support plate mounting groove is formed in the front, back, left and right directions of the mounting seat respectively, the support plate mounting groove is used for mounting a support plate, the support plate is located between the first PCB and the second PCB, and the dielectric lens is clamped to the upper end of the support plate and used for fixing the dielectric lens; each of four corners of the mounting seat is provided with a support column mounting hole, each support column mounting hole is internally provided with a support column, and the first PCB and the second PCB are respectively fixed on the mounting seat through two corresponding support columns; and an SMA joint mounting hole is formed in each of the mounting seats between the support plate mounting grooves at positions corresponding to the SMA joints of the first PCB and the second PCB.
The further technical proposal is that: and the inner side of each supporting column is provided with a PCB insertion groove, and two sides of the first PCB and the second PCB are inserted into the corresponding PCB insertion grooves so as to be fixedly connected with the supporting column.
The further technical proposal is that: the supporting plate comprises a rectangular inserting plate and an arc-shaped baffle plate, wherein the rectangular inserting plate is arranged at the lower side, the arc-shaped baffle plate is arranged at the upper end of the rectangular inserting plate, a medium lens inserting groove is formed between the arc-shaped baffle plate and the rectangular inserting plate, and the medium lens inserting groove is inserted on the medium lens.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the lens antenna structure of the application mainly comprises two parts: the Vivaldi antenna structure is printed on two mutually intersected PCB boards. The ripple structure at the edge of the PCB can play a role in improving gain and expanding low-frequency bandwidth. Two metal surfaces on the PCB respectively form two Vivaldi antenna structures with the same structure. The two antenna structures are soldered together forming a current along the edge of the back plate.
A dielectric lens of suitable shape can achieve high gain, low side lobe forward radiation with as unchanged a size as possible. The lens comprises a hemispherical structure and a pyramid structure, and the spherical lens has the main functions of focusing and limiting an electric field so as to spread electromagnetic waves in a transmission direction; the cone lens can change an incident plane wave into a Bessel beam, and keep the electromagnetic wave concentrated along the transmission direction. The superposition of the two forms of lenses allows better energy concentration in the transmission direction. According to the Vivaldi antenna and dielectric lens combination, the characteristics of high gain, wide frequency band and the like can be realized under a smaller size.
Drawings
The application will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural diagram of a lens antenna according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a lens antenna according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a lens antenna according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a first PCB board in the lens antenna according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a second PCB board in the lens antenna according to an embodiment of the present application;
fig. 6 is a perspective view of a portion of the structure (front metallization pattern) of a lens antenna according to an embodiment of the present application;
fig. 7 is a perspective view of a portion of the structure (a portion of the backside metallization pattern) of a lens antenna according to an embodiment of the present application;
fig. 8 is a dimensional view of a part of the structure (dielectric lens) in the lens antenna according to the embodiment of the present application;
fig. 9 is a schematic structural view of a mounting base in a lens antenna according to an embodiment of the present application;
fig. 10 is a schematic structural view of a support plate in a lens antenna according to an embodiment of the present application;
FIG. 11 is a schematic view of a structure of a support column in a lens antenna according to an embodiment of the present application;
wherein: 1. a first PCB board; 1-1, a first dielectric substrate; 1-2, a first groove; 1-3, left half front metallization pattern; 1-4, right half front metallization pattern; 1-5, a fan-shaped first notch; 1-6, a fan-shaped second notch; 1-7, semicircular notch; 1-8, a first slot; 1-9, extension; 1-10, an arc-shaped part; 1-11, sector; 2. a second PCB board; 2-1, a second dielectric substrate; 2-2, a second groove; 2-3, a second slot; 3. a dielectric lens; 3-1, pyramid part; 3-2, hemispherical portion; 4. a mounting base; 4-1, a supporting plate mounting groove; 4-2, supporting column mounting holes; 4-3, SMA joint mounting holes; 5. a support plate; 5-1, rectangular plugboards; 5-2, arc baffle; 5-3, inserting the medium lens into the groove; 6. a support column; 6-1, inserting the PCB into the groove.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
As shown in fig. 1-3, the embodiment of the application discloses a compact high-gain broadband lens antenna, which comprises a Vivaldi antenna and a dielectric lens, wherein the Vivaldi antenna comprises a first PCB (printed circuit board) 1 and a second PCB (printed circuit board) 2 which are crossed in a cross shape, a lens installation space is formed at the upper part of the first PCB 1 and the second PCB2 after the first PCB and the second PCB are crossed, and the dielectric lens 3 is fixed in the lens installation space. As shown in fig. 8, the dielectric lens 3 preferably includes a pyramid part 3-1 positioned at a lower side and a hemispherical part 3-2 positioned at an upper side of the pyramid part 3-1, and the specific form of the dielectric lens is just one specific form, but may be other forms. The medium lens structure can be divided into a metal accelerating lens structure and a medium decelerating lens structure, and the medium decelerating lens structure is thick in the middle and thin in the periphery. Common dielectric lens structures are plano-convex lenses, biconvex lenses, plano-concave lenses, biconcave lenses, etc. Common lens structure curve types are circular arcs, parabolic, hyperbolic, exponential, sinusoidal, etc.
Further, in one embodiment of the present application, as shown in fig. 4, the first PCB board 1 includes a first dielectric substrate 1-1, and the whole of the first dielectric substrate 1-1 is in a polygonal structure. A first groove 1-2 is formed on the upper side of the first dielectric substrate 1-1, and the first groove 1-2 is matched with the lower surface of the dielectric lens 3 and is used for bearing the dielectric lens 3; the front side of the first dielectric substrate 1-1 is formed with a first front side metallization pattern, the first front side metallization pattern includes a left half front side metallization pattern 1-3 and a right half front side metallization pattern 1-4 which are bilaterally symmetrical, only the specific structure of the left half front side metallization pattern 1-3 will be described in detail below, and the specific structure of the right half front side metallization pattern 1-4 refers to the specific structure of the left half front side metallization pattern 1-3:
the whole of the left half front side metallized pattern 1-3 is in a fan-shaped structure, a fan-shaped first notch 1-5 is formed at the lower left side of the left half front side metallized pattern 1-3, a fan-shaped second notch 1-6 is formed at the middle left side of the left half front side metallized pattern 1-3, a semicircular notch 1-7 is formed at the lower right side of the left half front side metallized pattern 1-3, and specific forms of the fan-shaped first notch 1-5, the fan-shaped second notch 1-6 and the semicircular notch 1-7 can be other forms, which are not repeated herein; a first slot 1-8 is formed along a central line portion of the first dielectric substrate 1-1, an upper end of the first slot 1-8 is located at the bottom of the groove, and a width of the first slot 1-8 is adapted to a thickness of the second PCB2 and is used for inserting the second PCB 2. The lower end of the first slot 1-8 extends to the upper side of the semicircular notch 1-7, and a metal excitation pattern is formed on the back surface of the dielectric substrate 1-1.
Further, as shown in fig. 4, the metal excitation pattern on the back of the dielectric substrate 1-1 includes an extension portion 1-9, where the extension portion 1-9 is vertically disposed, the lower end of the extension portion 1-9 extends to the lower edge of the dielectric substrate 1-1 and is used for connecting with an SMA joint, the extension portion 1-9 vertically extends upwards to connect with one end of an arc portion 1-10, the other end of the arc portion 1-10 extends onto the first dielectric substrate 1-1 on the back of the corresponding position on the upper side of the semicircular notch 1-7, and then continues to extend across the midline of the first dielectric substrate 1-1 and then connects with a sector portion 1-11, and as can be seen from the partial view in fig. 4, one part of the metal excitation pattern is located on the left side of the dielectric substrate 1-1, and the other part is located on the right side of the dielectric substrate 1-1.
Further, as shown in fig. 5, the structure of the second PCB2 is similar to that of the first PCB 1, the second PCB includes a second dielectric substrate 2-1, the whole of the second dielectric substrate 2-1 is in a polygonal structure, a second groove 2-2 is formed on the upper side of the second dielectric substrate 2-1, and the second groove 2-2 is adapted to the dielectric lens 3, and is used to cooperate with the first groove to bear the dielectric lens 3; the second front metallization pattern formed on the front surface of the second dielectric substrate 2-1 has the same structure as the first front metallization pattern, the metal excitation pattern formed on the back surface of the second dielectric substrate 2-1 has the same structure as the metal excitation pattern formed on the back surface of the first dielectric substrate, a second slot 2-3 is formed along the center line part of the second dielectric substrate 2-1, the upper end of the second slot 2-3 is positioned at the lower side of the arc part in the metal excitation pattern structure on the back surface of the second dielectric substrate, the lower end of the second slot 2-3 is positioned at the edge of the second dielectric substrate 2-1, and the width of the second slot 2-3 is matched with the thickness of the first PCB 1. When the first PCB 1 and the second PCB2 are assembled together, the middle upper part of the second PCB2 is inserted into the first slot 1-8 of the first PCB 1, the lower part of the first PCB 1 is inserted into the second slot 2-3 of the second PCB2, and the first PCB 1 and the second PCB2 are arranged in a crossing way through the cooperation.
The lens antenna of the application mainly comprises two parts: the Vivaldi antenna structure is printed on two mutually-intersected PCB plates, and the two radiation systems are mutually-intersected to realize a linear polarization or circular polarization radiation state. The ripple structure at the edge of the PCB can play a role in improving gain and expanding low-frequency bandwidth. Two metal surfaces on the PCB respectively form two Vivaldi antenna structures with the same structure. The two antenna structures are soldered together forming a current along the edge of the back plate.
A dielectric lens of suitable shape can achieve high gain, low side lobe forward radiation with as unchanged a size as possible. The lens consists of a hemispherical structure and a pyramid structure, and the spherical lens has the main functions of focusing and limiting an electric field so as to spread electromagnetic waves in a transmission direction; the cone lens can change an incident plane wave into a Bessel beam, and keep the electromagnetic wave concentrated along the transmission direction. The superposition of the two forms of lenses allows better energy concentration in the transmission direction. The antenna structure and the dielectric lens combination can realize high gain and broadband characteristics under a smaller size.
Fig. 6-8 are schematic diagrams of the structures of the front metallization pattern, the back metal excitation pattern, and the dielectric lens 3 according to the present application, and specific parameters thereof are shown in table 1:
table 1: specific size diagram
In order to make the connection between the first PCB board 1, the second PCB board 2 and the dielectric lens 3 more stable, the present application further includes a mounting base 4, four support plates 5 and four support columns 6, and the mounting base 4, the support plates 5 and the support columns 6 are generally made of non-metallic dielectric materials. The first PCB 1, the second PCB2 and the dielectric lens 3 are fixed to form an integral structure by the installation base 4, the four support plates 5 and the four support columns 6, and the specific structure is shown in fig. 9-11.
As shown in fig. 9, each of the mounting seats is formed with a support plate mounting groove 4-1 in the front-rear, left-right direction, the support plate mounting groove 4-1 is used for mounting a support plate 5, the support plate 5 is located between the first PCB 1 and the second PCB2, and the dielectric lens 3 is clamped to the upper end of the support plate 5 for fixing the dielectric lens 3; each of four corners of the mounting seat 4 is provided with a support column mounting hole 4-2, each support column mounting hole 4-2 is internally provided with a support column 6, and the first PCB 1 and the second PCB2 are respectively fixed on the mounting seat 4 through two corresponding support columns 6; and an SMA joint mounting hole 4-3 is formed in each position corresponding to the SMA joints of the first PCB 1 and the second PCB2 on the mounting seat between the supporting plate mounting grooves 4-1.
As shown in fig. 10, the support plate 5 includes a rectangular insert plate 5-1 positioned at the lower side and an arc-shaped baffle plate 5-2 positioned at the upper end of the rectangular insert plate, a dielectric lens insertion groove 5-3 is formed between the arc-shaped baffle plate 5-2 and the rectangular insert plate 5-1, and the dielectric lens insertion groove 5-3 is inserted on the dielectric lens 3. As shown in fig. 11, a PCB board insertion groove 6-1 is formed on the inner side of each support column 6, and two sides of the first PCB board 1 and the second PCB board 2 are inserted into the corresponding PCB board insertion groove 6-1, so as to be fixedly connected with the support column 6.
Claims (10)
1. A compact high gain broadband lens antenna, characterized by: including Vivaldi antenna and dielectric lens, vivaldi antenna is including being crisscross first PCB board (1) and second PCB board (2), first PCB board (1) and second PCB board (2) alternately set up the back and form lens installation space on its upper portion, dielectric lens (3) are fixed in the lens installation space.
2. The compact high gain broadband lens antenna of claim 1, wherein: the dielectric lens (3) comprises a pyramid part (3-1) positioned at the lower side and a hemispherical part (3-2) positioned at the upper side of the pyramid part (3-1).
3. The compact high gain broadband lens antenna of claim 1, wherein: the medium lens comprises a metal accelerating lens and a medium decelerating lens structure, and the medium decelerating lens structure is thick in the middle and thin in the periphery.
4. The compact high gain broadband lens antenna of claim 1, wherein: the first PCB (1) comprises a first dielectric substrate (1-1), the whole of the first dielectric substrate (1-1) is of a polygonal structure, a first groove (1-2) is formed in the upper side of the first dielectric substrate (1-1), and the first groove (1-2) is matched with the dielectric lens (3); the front side of the first dielectric substrate (1-1) is provided with a first front side metallization pattern, the first front side metallization pattern comprises a left half front side metallization pattern (1-3) and a right half front side metallization pattern (1-4) which are bilaterally symmetrical, the whole of the left half front side metallization pattern (1-3) is of a fan-shaped structure, the lower left side of the left half front side metallization pattern (1-3) is provided with a fan-shaped first notch (1-5), the middle left side of the left half front side metallization pattern (1-3) is provided with a fan-shaped second notch (1-6), and the lower right side of the left half front side metallization pattern (1-3) is provided with a semicircular notch (1-7); a first slot (1-8) is formed along the central line part of the first dielectric substrate (1-1), the upper end of the first slot (1-8) is positioned at the bottom of the groove, the lower end of the first slot (1-8) extends to the upper side of the semicircular notch (1-7), and a metal excitation pattern is formed on the back surface of the dielectric substrate (1-1).
5. The compact high gain broadband lens antenna according to claim 4, wherein: the metal excitation pattern comprises an extension part (1-9), the lower end of the extension part (1-9) extends to the lower side edge of the dielectric substrate (1-1) and is used for being connected with an SMA joint, the extension part (1-9) vertically extends upwards to be connected with one end of an arc-shaped part (1-10), the other end of the arc-shaped part (1-10) extends to the first dielectric substrate (1-1) on the back surface of the corresponding position on the upper side of the semicircular notch (1-7), and then continuously extends to cross the central line of the first dielectric substrate (1-1) and then is connected with a fan-shaped part (1-11).
6. The compact high gain broadband lens antenna according to claim 4, wherein: the structure of the second PCB (2) is similar to that of the first PCB (1), the second PCB comprises a second dielectric substrate (2-1), the whole of the second dielectric substrate (2-1) is of a polygonal structure, a second groove (2-2) is formed at the upper side of the second dielectric substrate (2-1), the second groove (2-2) is matched with the dielectric lens (3), a second front metallization pattern formed at the front of the second dielectric substrate (2-1) is identical to that of the first front metallization pattern, a metal excitation pattern formed at the back of the second dielectric substrate (2-1) is identical to that formed at the back of the first dielectric substrate, a second slot (2-3) is formed along the central line part of the second dielectric substrate (2-1), the upper end of the second slot (2-3) is positioned at the lower side of the middle part of the metal excitation pattern structure of the second dielectric substrate, the lower end of the second slot (2-3) is positioned at the upper edge of the second slot (2-1) of the second dielectric substrate (2-1), the lower part of the first PCB (1) is inserted into a second slot (2-3) of the second PCB (2).
7. The compact high gain broadband lens antenna of claim 1, wherein: the lens antenna further comprises a mounting seat (4), wherein the bottom surface of the mounting seat (4) is metallized, a supporting plate mounting groove (4-1) is formed in the front-back left-right direction of the mounting seat, the supporting plate mounting groove (4-1) is used for mounting a supporting plate (5), the supporting plate (5) is positioned between the first PCB (1) and the second PCB (2), and the dielectric lens (3) is clamped to the upper end of the supporting plate (5) and used for fixing the dielectric lens (3); four corners of the mounting seat (4) are respectively provided with a support column mounting hole (4-2), each support column mounting hole (4-2) is internally provided with a support column (6), and the first PCB (1) and the second PCB (2) are respectively fixed on the mounting seat (4) through two corresponding support columns (6); and an SMA joint mounting hole (4-3) is formed in each position corresponding to the SMA joints of the first PCB (1) and the second PCB (2) on the mounting seat between the supporting plate mounting grooves (4-1).
8. The compact high gain broadband lens antenna according to claim 7, wherein: the inner side of each support column (6) is provided with a PCB board inserting groove (6-1), and two sides of the first PCB board (1) and the second PCB board (2) are inserted into the corresponding PCB board inserting grooves (6-1) so as to be fixedly connected with the support columns (6).
9. The compact high gain broadband lens antenna according to claim 6, wherein: the supporting plate (5) comprises a rectangular inserting plate (5-1) positioned at the lower side and an arc-shaped baffle plate (5-2) positioned at the upper end of the rectangular inserting plate, a medium lens inserting groove (5-3) is formed between the arc-shaped baffle plate (5-2) and the rectangular inserting plate (5-1), and the medium lens inserting groove (5-3) is inserted on the medium lens (3).
10. The compact high gain broadband lens antenna according to claim 6, wherein: the mounting seat (4), the supporting plate (5) and the supporting column (6) are made of dielectric materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310775126.5A CN116613544B (en) | 2023-06-28 | 2023-06-28 | Compact high gain broadband lens antenna |
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| CN202310775126.5A CN116613544B (en) | 2023-06-28 | 2023-06-28 | Compact high gain broadband lens antenna |
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| CN116613544A true CN116613544A (en) | 2023-08-18 |
| CN116613544B CN116613544B (en) | 2024-02-23 |
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