CN114050423B - Ka frequency band horizontal end-fire antenna framework - Google Patents
Ka frequency band horizontal end-fire antenna framework Download PDFInfo
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- CN114050423B CN114050423B CN202210008475.XA CN202210008475A CN114050423B CN 114050423 B CN114050423 B CN 114050423B CN 202210008475 A CN202210008475 A CN 202210008475A CN 114050423 B CN114050423 B CN 114050423B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
Abstract
The invention relates to the technical field of phased array antennas, in particular to a Ka frequency band horizontal end-fire antenna framework which comprises a mounting substrate, wherein TR modules are connected and arranged on the surfaces of the two sides of the mounting substrate, a plurality of antenna plates are attached to the edge of the upper side of the mounting substrate, pressing plates are arranged on the antenna plates, and the antenna plates and the TR modules are connected and communicated through a plurality of radio frequency connectors; the antenna plate and the TR module are connected with the mounting substrate through detachable fasteners. The antenna structure is simple in structure and convenient to realize, the thickness of the antenna structure and the height of a connecting part can be reduced, and the integral integration level of the antenna structure is improved; the antenna plate and the TR module are connected through the radio frequency connector and are connected with the ground, the grounding performance of the antenna structure is guaranteed, and the overall performance of the antenna framework is further guaranteed.
Description
Technical Field
The invention relates to the technical field of phased array antennas, in particular to a Ka frequency band horizontal end-fire antenna framework.
Background
In the field of phased array antennas, the connection between the antenna and the TR module generally takes the form of SMP-KK-SMP. The SMP is sintered on the TR cavity to achieve airtightness of the TR module part, the antenna is welded on the antenna carrier plate for the second time by using a patch antenna, and the SMP is sintered on the antenna carrier plate, wherein the specific structure is shown in figure 1. One form of patch antenna (4) is shown in fig. 2, with each SMP disposed corresponding to one of the patches. However, the arrangement form of the patch antenna has some defects, which are as follows:
1. when the antenna is designed, a feed layer and a radiation layer are required, the antenna needs to be welded on the antenna carrier plate for three times (the feed layer is welded on the antenna carrier plate, the radiation layer is welded on the feed layer, and the SMP is welded on the antenna carrier plate), and meanwhile, the antenna carrier plate needs to be added as a base body of the antenna.
2. The antenna is connected with the TR module in a butt mode, an SMP-KK-SMP form is needed, the height space needs to be increased, the height space is about 10mm, and the length of the antenna can be longer according to KK.
3. The gain of a single antenna is lower than that of an end-fire antenna, the requirement of the whole machine index is met in a high-frequency band, the size of the antenna and the size of the whole machine need to be increased, the design difficulty of the antenna is increased, and the integrated design is inconvenient.
The defects lead to the increase of the height space between the antenna and the TR, low integration level and higher process difficulty; the whole structure is in a welding form, so that the repair performance is poor; meanwhile, the antenna is connected with the SMP inner core through spot welding, and the antenna is in tension fracture risk and fails in vibration.
It can be known, there is the need to treat the space of improvement urgently in the connection framework of current antenna and TR module, it is highly little to satisfy the framework, processing technology is simple, the framework is reliable and stable and the demand that convenient to detach maintained, need adjust the optimization to current connection framework, make the connection framework of TR module and antenna under the prerequisite that satisfies the communication connection demand, can also reduce and connect the size height and optimize production technology, maintain in the convenient long-term use, increase the life-span of using, the event needs to propose more reasonable technical scheme, solve not enough among the prior art.
Disclosure of Invention
In order to solve the defects of the prior art mentioned in the above, the invention provides a Ka-band horizontal end-fire antenna structure, wherein a connection structure between an antenna and a TR module is improved, and the connection is performed through a radio frequency connector, so that not only can the communication effect be ensured, but also the production process can be simplified, the grounding performance is good in long-term use, and the maintenance is convenient.
In order to achieve the purpose, the invention specifically adopts the technical scheme that:
a Ka-band horizontal end-fire antenna architecture comprises a mounting substrate, wherein TR modules are connected and arranged on the surfaces of two sides of the mounting substrate, a plurality of antenna plates are attached to the edge of the upper side of the mounting substrate and connected to the mounting substrate through pressing plates, and the antenna plates and the TR modules are connected and communicated through a plurality of radio frequency connectors; the antenna plate and the TR module are connected with the mounting substrate through detachable fasteners.
According to the antenna structure, the antenna plate and the mounting substrate are arranged in parallel, the thickness of the whole framework is reduced, the antenna plate and the TR module are connected through the radio frequency connector, the connecting height of the connecting position is reduced, the TR modules are arranged on two sides of the mounting substrate, the integration level of the whole antenna structure is improved, meanwhile, the design difficulty of the antenna is reduced, the antenna can be designed into one layer, and the later-stage process difficulty is low; when the antenna is applied specifically, the radio frequency connector is used for communication between the antenna board and the TR module, so that the stability and reliability of grounding are guaranteed, and the performance stability of the antenna structure is guaranteed.
Further, in the present invention, the TR module is configured as a flat structure, that is, it is configured to be attached to the mounting substrate, which is convenient for the antenna structure to improve the integration level, and specifically, the TR module is optimized and one of the following feasible options is provided: the TR module include the TR cavity, be provided with on the TR cavity and be used for sealed TR apron, the upside edge of TR module is arranged and is provided with a plurality of hookups that are used for connecting the radio frequency connector, the radio frequency connector is pegged graft with the hookup location and is communicate. When adopting such scheme, the TR cavity is the flat structure, realizes sealed after the closing cap through the TR apron, and the TR apron can adopt modes such as laser seal welding to set up on the TR cavity, and simultaneously, the sintering of radio frequency connector has realized the airtight of whole module on the module cavity.
Still further, in order to realize the connection and fixation of the TR cavity and the mounting substrate, various feasible manners may be adopted, for example, in some schemes, structures such as slots, slots and the like may be adopted, in some schemes, structures such as threaded connection, pin connection and the like may be adopted, which is not limited specifically, and the following feasible options are optimized and set forth herein: and press holes or press grooves used for matching with fasteners are arranged on two sides of the TR cavity. When the scheme is adopted, the TR cavity is fixedly connected on the mounting substrate by the fastener penetrating through the pressure hole or the pressure groove, so that the maintenance is convenient to carry out at any time, the maintenance cost is reduced, and the maintenance efficiency is improved; meanwhile, in order to improve the integration level, the head end and the tail end of the fastener are not beyond the hole opening of the pressure hole and the notch of the pressure groove after the fastener is connected.
Further, in the present invention, the structure of the antenna board is optimized to improve the performance of the antenna board, and specifically, the following feasible options are provided: the upper edge of the antenna plate is provided with a plurality of antenna units which are mutually spaced. When the scheme is adopted, the antenna units can be separated from each other, so that each antenna unit is of an independent structure, and the performance of the antenna board is improved. When the antenna is specifically arranged, the antenna can be arranged into a zigzag arrangement structure, so that the isolation among the antenna units can be increased, the directional diagram of the antenna array is improved, and the antenna performance is improved.
Further, in the present invention, in order to facilitate the connection and fixation of the antenna board, the structure of the antenna board is optimized and improved, and here, the following feasible options are optimized and presented: the lower edge of the antenna board is provided with a pad structure matched with the radio frequency connector, and the pad structure comprises a radio frequency signal pad and grounding pads positioned on two sides of the radio frequency signal pad. When the scheme is adopted, the radio frequency signal pad is used for transmitting an antenna signal, the grounding pad is used for connecting the ground of the antenna plate and the ground of the TR, the grounding performance of the whole antenna structure can be ensured to be stable and reliable by connecting the ground of the antenna plate and the ground of the TR, and the performance of the antenna can be improved conveniently.
Still further, in the present invention, in order to stabilize the antenna board connection, optimization is performed here: the antenna plate is provided with a plurality of through holes, the pressing plate is provided with through holes corresponding to the through holes, and the fastening piece penetrates through the through holes and the through holes to fixedly connect the pressing plate and the antenna plate; the side edge of the pressing plate is provided with a pressing groove matched with the mounting substrate, and the pressing plate is fixedly connected to the mounting substrate through the pressing groove by the fastener. When the scheme is adopted, the through hole in the middle of the antenna plate is fixedly connected with the through hole in the middle of the pressing plate; the through hole and the pressure groove of the pressure plate correspond to the mounting substrate and are fixedly connected through a fastener. Meanwhile, the through holes and the pressing grooves in the pressing plate can be set to be step holes, threaded holes are formed in the mounting base plate, the fastening piece penetrates through the pressing grooves and is fixedly connected with the threaded holes, and the two ends of the fastening piece do not exceed the surfaces of the mounting base plate and the pressing plate.
Further, in the present invention, the fastener includes a screw or a pin. In addition, other fasteners that facilitate the detachable connection may also be used.
Further, the rf connector used in the present invention not only is used for transmitting signals, but also can be grounded, and specifically, the following feasible options are optimized and set forth herein: the radio frequency connector comprises a probe, a shell is arranged outside the probe, and a plurality of grounding pins are arranged on the shell; a filling medium is arranged between the shell and the probe, and the probe extends towards two ports of the shell and extends out of the ports. When the scheme is adopted, the core body can adopt an SMP core body, and then the probe is an SMP needle.
Further, in the present invention, in order to enhance the grounding performance, the grounding pin is optimally set, specifically, the following feasible options are provided: the grounding pins are symmetrically arranged on two sides of the probe, and the grounding pins and the shell are integrally formed. When the scheme is adopted, the grounding pin is connected and communicated with the antenna board and the ground of the TR module.
Still further, in order to improve the stability and reliability of the installation, the shape of the radio frequency connector is optimized and improved, and specifically, one of the following feasible options can be adopted: the TR cavity body on be provided with the connector hole that is used for setting up the radio frequency connector, the radio frequency connector inserts in the connector hole with the shell together, the shell is laminated and is supported the laminating in order to prevent to take place circumferential direction with the pore wall in connector hole. When the scheme is adopted, the shell can be set to be in various non-circular structures such as an ellipse and a polygon.
Compared with the prior art, the invention has the beneficial effects that:
the antenna structure is simple in structure and convenient to realize, the thickness of the antenna structure and the height of a connecting part can be reduced, and the integral integration level of the antenna structure is improved; the antenna plate and the TR module are connected through the radio frequency connector and are connected with the ground, the grounding performance of the antenna structure is guaranteed, and the overall performance of the antenna framework is further guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show 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 diagram of a connection architecture in the prior art.
Fig. 2 is a schematic diagram of an array in which patch antennas are arranged according to the prior art.
Fig. 3 is a schematic structural diagram of an antenna architecture according to the present invention.
Fig. 4 is a schematic structural diagram of an antenna board according to the present invention.
FIG. 5 is a schematic view of the structure of the pressing plate of the present invention.
Fig. 6 is a schematic front view of the TR module with the rf connector.
Fig. 7 is a schematic top view of the TR module with the rf connector.
Fig. 8 is a schematic top view of the TR cavity.
Fig. 9 is a side view of the TR module.
Fig. 10 is a schematic structural view of the TR mounting substrate.
Fig. 11 is a schematic structural diagram of the rf connector.
Fig. 12 is a graph of simulation results.
In the above drawings, the meaning of each symbol is: 1. an antenna board; 2. pressing a plate; 3. a TR module; 4. a mounting substrate; 5. a fastener; 6. a through hole; 7. a ground pad; 8. a radio frequency signal pad; 9. perforating the hole; 10. pressing a groove; 11. a radio frequency connector; 12. a TR cavity; 13. a TR cover plate; 14. pressing the hole; 15. a probe; 16. and a ground pin.
Detailed Description
The invention is further explained below with reference to the drawings and the specific embodiments.
It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
Examples
Aiming at the defects in the prior art, the embodiment is optimized and improved to solve the prior technical problem.
Specifically, as shown in fig. 1 to 12, the present embodiment discloses a Ka-band horizontal end-fire antenna architecture, referring to fig. 3, including a mounting substrate 4, TR modules 3 are connected to both side surfaces of the mounting substrate 4, a plurality of antenna plates 1 are attached to an upper side edge of the mounting substrate 4, the antenna plates 1 are connected to the mounting substrate 4 through a pressing plate 2, and the antenna plates 1 and the TR modules 3 are connected for communication through a plurality of radio frequency connectors 11; the antenna plate 1 and the TR module 3 are connected with a mounting substrate 4 through a detachable fastener 5.
According to the antenna structure, the antenna plate 1 and the mounting substrate 4 are arranged in parallel, the thickness of the whole framework is reduced, the antenna plate 1 and the TR modules 3 are connected through the radio frequency connector 11, the connection height of the connection position is reduced, the TR modules 3 are arranged on two sides of the mounting substrate 4, and the integration level of the whole antenna structure is improved; when the antenna is applied specifically, the radio frequency connector 11 is used for communication between the antenna board 1 and the TR module 3, so that the stability and reliability of grounding are guaranteed, and the performance stability of the antenna structure is guaranteed.
Preferably, in the embodiment, two TR modules 3 are respectively disposed on two side surfaces of the mounting substrate 4, and the antenna boards 1 are disposed on two sides of the mounting substrate 4, wherein each antenna board 1 includes 8 spaced antenna units.
In the present embodiment, the TR module 3 is configured as a flat structure, that is, it is configured to be attached to the mounting substrate 4, so that the antenna structure is convenient to improve the integration level, and specifically, the TR module is optimized and adopts one of the following feasible options: as shown in fig. 6 and 7, the TR module 3 includes a TR cavity 12, a TR cover plate 13 for sealing is disposed on the TR cavity 12, a plurality of connection sites for connecting the radio frequency connector 11 are arranged at the edge of the upper side of the TR module 3, and the radio frequency connector 11 is connected with the connection sites in an inserting manner. When adopting such scheme, TR cavity 12 is the flat structure, and it is sealed to realize after the closing cap through TR apron 13, and TR apron 13 can adopt modes such as laser seal welding to set up on TR cavity 12, and simultaneously, the sintering of radio frequency connector has realized the airtight of whole module on the module cavity.
Preferably, the radio frequency connector 11 is sintered to the TR cavity 12 of the TR module 3. Namely: the connecting position is set to be a step hole, the radio frequency connector 11 is installed into the step hole after the elliptical welding ring is placed on the step hole, then the elliptical welding ring is fixed through a clamp, and the welding ring is heated and melted to sinter the radio frequency connector 11 on the TR module 3, so that the airtightness of the whole TR module 3 is guaranteed.
In order to realize the connection and fixation of the TR cavity 12 and the mounting substrate 4, various feasible manners may be adopted, for example, in some schemes, structures such as slots, slots and the like may be adopted, in some schemes, structures such as screw connection, pin connection and the like may be adopted, and the following feasible options are optimized and adopted herein: as shown in fig. 6 and 7, the TR cavity 12 is provided with a pressed hole 14 or a pressed groove 10 at both sides for matching with the fastener 5. When adopting such scheme, pass pressure hole 14 or indent 10 through fastener 5, connect the TR cavity 12 and fix on mounting substrate 4, also be convenient for like this overhaul the maintenance at any time, for adopting welded mode to connect among the prior art, reduced the cost of overhauing, improved the efficiency of overhauing.
In the present embodiment, the structure of the antenna board 1 is optimized to improve the performance of the antenna board 1, and specifically, the following feasible options are adopted here: as shown in fig. 4, a plurality of spaced antenna units are disposed at an upper edge of the antenna board 1. When the scheme is adopted, the antenna units can be separated from each other, so that each antenna unit is of an independent structure, and the performance of each signal end is improved.
Preferably, a gap is formed between each signal end, and the antenna units are arranged in a zigzag arrangement structure, so that the isolation between the antenna units can be increased, the directional diagram of the antenna array is improved, and the antenna performance is improved.
In the present embodiment, in order to facilitate the connection and fixation of the antenna board 1, the structure of the antenna board 1 is optimized and improved, and the following feasible options are adopted here: as shown in fig. 4, the lower edge of the antenna board 1 is provided with a pad structure for matching with the radio frequency connector 11, and the pad structure includes a radio frequency signal pad 8 and ground pads 7 located on two sides of the radio frequency signal pad 8. When the scheme is adopted, the radio frequency signal pad 8 is used for transmitting antenna signals, the grounding pad 7 is used for connecting the ground of the antenna plate 1 and the ground of the TR, the grounding performance of the whole antenna structure can be ensured to be stable and reliable by connecting the ground of the antenna plate 1 and the ground of the TR, and the performance of the antenna is improved and improved conveniently.
In the present embodiment, in order to stabilize the connection of the antenna board 1, optimization is performed here: as shown in fig. 4 and 5, a plurality of through holes 6 are formed in the antenna board 1, a through hole 9 is formed in the pressing plate 2 corresponding to the through holes 6, and the fastening member 5 penetrates through the through hole 9 and the through hole 6 to connect and fix the pressing plate 2 and the antenna board 1; the side edge of the pressure plate 2 is provided with a pressing groove 10 matched with the mounting substrate 4, and the fastener 5 is used for connecting and fixing the pressure plate 2 to the mounting substrate 4 through the pressing groove 10. When the scheme is adopted, the through hole 6 in the middle of the antenna plate 1 is fixedly connected with the through hole 9 in the middle of the pressing plate 2; the through hole 9 and the pressing groove 10 of the pressing plate 2 correspond to the mounting substrate 4 and are fixedly connected through the fastener 5.
Preferably, the structure of the pressure groove 10 in this embodiment is a half-hole structure, and the mounting substrate 4 is provided with a corresponding half-hole structure and forms a complete counter bore with the pressure groove 10, and the pressure plate 2 is connected and fastened with the TR cavity 12 when the fastening member 5 is provided. The mounting substrate 4 is provided with corresponding threaded holes for indirectly specifying the threads of the fasteners, and after the fasteners are fastened and mounted, the two ends of the fasteners do not exceed the notches of the pressure grooves 10, the holes of the through holes 9 and the holes of the threaded holes.
In the present embodiment, the fastening member 5 includes a screw. In addition, other fasteners 5 that facilitate the detachable connection may be used.
The rf connector 11 used in this embodiment is not only used for transmitting signals, but also used for grounding, and specifically, the following feasible options are optimized and adopted here: as shown in fig. 11, the radio frequency connector 11 includes a probe 15, a housing is disposed outside the probe 15, and a plurality of ground pins 16 are disposed on the housing; a fill medium is provided between the housing and the probe 15, which extends towards both ports of the housing and protrudes therefrom.
Preferably, the core body can adopt an SMP core body, and the probes 15 are SMP needles and are gold wire bonded with the antenna board 1 and the TR module 3; the number of the grounding pins 16 is two, and the grounding pins and the shell are integrally formed, wherein the shell is made of kovar 4J 29; the filling metal adopts sintered glass and is used for grounding the shell and isolating the radio frequency signal of the inner core.
In the present embodiment, to enhance the grounding performance, the grounding pin 16 is optimally set, specifically, one of the following feasible options is adopted: the grounding pins 16 are symmetrically arranged on two sides of the probe 15, and the grounding pins 16 and the shell are integrally formed. With this arrangement, the ground pin 16 is connected to the ground connection of the antenna board 1 and the TR module 3.
Preferably, in order to improve the stability and reliability of the installation, the shape of the rf connector 11 is optimized and improved, and specifically, one of the following feasible options is adopted: the TR cavity 12 is provided with a connector hole for arranging the radio frequency connector 11, the radio frequency connector 11 and the shell are inserted into the connector hole together, and the shell is attached to the hole wall of the connector hole and abutted against the connector hole to prevent circumferential rotation. When the scheme is adopted, the shell can be set to be in various non-circular structures such as an ellipse and a polygon. The radio frequency connector is prevented from rotating in the cavity under the action of soldering tin when being sintered on the module cavity, and the pads of the radio frequency connector are ensured to face the outer side of the TR module all the time.
As shown in fig. 12, when the antenna architecture disclosed in this embodiment is applied to the Ka band (26.5 to 40 GHZ), the performance of the antenna architecture can be determined through the simulation result, and from the simulation result, the antenna architecture disclosed in this embodiment not only ensures the antenna performance, but also ensures the process reworkability, and the process operability is very strong.
S11 reflects the transmission characteristic parameters of the two-port network, and when the port 2 is connected to the matched load, the ratio of the incident voltage and the reflected voltage of the port 1 is smaller, and the transmission efficiency is higher. Usually, S11 < -10dB represents the bandwidth of the signal, and the bandwidth of the structure in the Ka frequency band is more than or equal to 22 percent, which belongs to the broadband characteristic.
Of course, the mode is not only suitable for high-frequency wave bands such as Ka, but also suitable for the frequency range of 0-40 GHz.
The above embodiments are just exemplified in the present embodiment, but the present embodiment is not limited to the above alternative embodiments, and those skilled in the art can obtain other various embodiments by arbitrarily combining with each other according to the above embodiments, and any other various embodiments can be obtained by anyone in light of the present embodiment. The above detailed description should not be construed as limiting the scope of the present embodiments, which should be defined in the claims, and the description should be used for interpreting the claims.
Claims (9)
1. A Ka frequency band horizontal end-fire antenna structure is characterized in that: the antenna comprises a mounting substrate (4), TR modules (3) are connected and arranged on the surfaces of two sides of the mounting substrate (4), a plurality of antenna plates (1) are attached to the edge of the upper side of the mounting substrate (4), the antenna plates (1) are connected to the mounting substrate (4) through pressing plates (2), and the antenna plates (1) and the TR modules (3) are connected and communicated through a plurality of radio frequency connectors (11); the antenna plate (1) and the TR module (3) are connected with a mounting substrate (4) through detachable fasteners (5);
the TR module is arranged in a flat structure, namely, the TR module is attached to the mounting substrate; TR modules (3) are arranged on two sides of the mounting substrate (4);
TR module (3) include TR cavity (12), be provided with on TR cavity (12) and be used for sealed TR apron (13), the upside edge of TR module (3) is arranged and is provided with a plurality of connection positions that are used for connecting radio frequency connector (11), radio frequency connector (11) are pegged graft with the connection position and are communicate.
2. The Ka-band horizontal end-fire antenna architecture of claim 1, wherein: and pressing holes (14) or pressing grooves (10) used for being matched with the fasteners (5) are formed in two sides of the TR cavity (12).
3. The Ka-band horizontal end-fire antenna architecture of claim 1, wherein: the upper edge of the antenna plate (1) is provided with a plurality of antenna units which are mutually spaced.
4. The Ka-band horizontal end-fire antenna architecture of claim 3, wherein: the lower edge of the antenna board (1) is provided with a pad structure matched with a radio frequency connector (11), and the pad structure comprises a radio frequency signal pad (8) and grounding pads (7) positioned on two sides of the radio frequency signal pad (8).
5. The Ka-band horizontal end-fire antenna architecture of claim 4, wherein: the antenna plate (1) is provided with a plurality of through holes (6), the pressing plate (2) is provided with a through hole (9) corresponding to the through holes (6), and the pressing plate (2) is fixedly connected with the antenna plate (1) through the fastening piece (5) penetrating through the through hole (9) and the through hole (6); the side edge of the pressing plate (2) is provided with a pressing groove (10) matched with the mounting substrate (4), and the pressing plate (2) is fixedly connected to the mounting substrate (4) through the pressing groove (10) by the fastener (5).
6. The Ka-band horizontal endfire antenna architecture of any of claims 1-5, wherein: the fastener (5) comprises a screw or a pin.
7. The Ka-band horizontal end-fire antenna architecture of claim 1, wherein: the radio frequency connector (11) comprises a probe (15), a shell is arranged outside the probe (15), and a plurality of grounding pins (16) are arranged on the shell; a filling medium is arranged between the shell and the probe (15), and the probe extends towards two ports of the shell and extends out of the ports.
8. The Ka-band horizontal end-fire antenna architecture of claim 7, wherein: the grounding pins (16) are symmetrically arranged on two sides of the probe (15), and the grounding pins (16) and the shell are integrally formed.
9. The Ka-band horizontal end-fire antenna architecture of claim 7 or 8, wherein: the radio frequency connector is characterized in that a connector hole for arranging the radio frequency connector (11) is formed in the TR cavity (12), the radio frequency connector (11) and the shell are inserted into the connector hole together, and the shell is attached to the hole wall of the connector hole and abutted tightly to prevent circumferential rotation.
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| CN202210008475.XA CN114050423B (en) | 2022-01-06 | 2022-01-06 | Ka frequency band horizontal end-fire antenna framework |
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| CN202210008475.XA CN114050423B (en) | 2022-01-06 | 2022-01-06 | Ka frequency band horizontal end-fire antenna framework |
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