CN116598778A - Double-cavity phase-shifting feed device and phase shifter - Google Patents
Double-cavity phase-shifting feed device and phase shifter Download PDFInfo
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- CN116598778A CN116598778A CN202310482470.5A CN202310482470A CN116598778A CN 116598778 A CN116598778 A CN 116598778A CN 202310482470 A CN202310482470 A CN 202310482470A CN 116598778 A CN116598778 A CN 116598778A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 20
- 239000000758 substrate Substances 0.000 claims description 28
- 230000007704 transition Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- 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
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The application discloses a double-cavity phase-shifting feed device and a phase shifter, wherein the double-cavity phase-shifting feed device comprises a metal cavity, wherein an installation cavity, a slit groove, a borrowing cavity and an installation port are arranged in the metal cavity, and an input socket and an output socket are arranged on one side of the installation cavity, which is away from the borrowing cavity; a transmission circuit assembly on which input pins and output pins are provided; the feed network component is arranged on one side of the metal cavity where the input jack and the output jack are positioned; the metal cavity is of a double-cavity structure, the middle is connected through the slit groove, the slit groove is required to be selected to be of a proper size so as to facilitate the passing of the transmission line assembly, and meanwhile, the function of fixing one side of the transmission line assembly is achieved, and the structure is more reliable; the transmission mode of the phase shifter signal is strip line transmission and is directly connected with an external transmission network, so that the cable is not used as a transition section for switching, the complexity of the whole feed network is reduced, the size of the phase shifter is smaller, the cost is lower, and the consistency of the performance is improved.
Description
Technical Field
The application relates to the field of phase shifters, in particular to a double-cavity phase shifting feed device and a phase shifter.
Background
In the existing base station antenna electric tuning technology, the phase shifter is used as a core device for realizing the electric tuning function and is connected with the radiating unit mostly through cables, so that the whole feed network is complex, large in size, high in cost and low in performance consistency, and miniaturization of the base station antenna is not facilitated, and therefore, a double-cavity phase-shifting feed device and a phase shifter are urgently needed to solve the problems.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides a double-cavity phase-shifting feed device and a phase shifter.
The technical scheme adopted by the embodiment of the application for solving the technical problems is as follows: a dual-cavity phase-shifting feed apparatus comprising:
the metal cavity is internally provided with an installation cavity and a borrowing cavity communicated with the installation cavity through a slit groove, at least one side of the metal cavity is provided with an installation port communicated with the installation cavity and the borrowing cavity, and one side of the installation cavity, which is opposite to the borrowing cavity, is provided with an input socket and an output socket;
a transmission circuit assembly on which input pins and output pins are provided;
the feed network component is arranged on one side of the metal cavity where the input jack and the output jack are located, and an external transmission network is connected to the feed network component;
the transmission circuit component can be inserted into the mounting cavity and the borrowing cavity through the mounting port and move towards the feed network component, so that the input pins are welded on the feed network component through the input socket and the output pins through the output socket, and at least part of the transmission circuit component extends into the slit groove.
Further, the transmission circuit assembly includes:
the first substrate is provided with a first circuit and a second circuit which are connected through metallized through holes at two sides, an input pin and an output pin are arranged on the first substrate, and an input connection port connected with the first circuit and an output connection port connected with the second circuit are respectively arranged on the input pin and the output pin;
the first dielectric plate is arranged on one side of the first substrate;
and the second dielectric plate is arranged on the other side of the first substrate.
Further, the first substrate is provided as a PCB board or a metal plate.
Further, the feed network assembly includes:
the second substrate is provided with an input slot and an output slot;
the grounding layer is arranged on one side of the second substrate close to the metal cavity and is connected with the metal cavity;
the first feed network and the second feed network are arranged on one side of the second substrate, which is opposite to the metal cavity, the input pins can be inserted into the input slots through the input sockets and connected with the first feed network, and the output pins can be inserted into the output slots through the output sockets and connected with the second feed network.
Further, a first bonding pad and a second bonding pad are arranged on one side, facing away from the metal cavity, of the second substrate, the input pins and the first feed network are welded on the first bonding pad, and the output pins and the second feed network are welded on the second bonding pad.
Further, the height of the transmission circuit assembly is not greater than the sum of the heights of the mounting cavity, the slot and the borrowing cavity.
Further, the width of the borrowing cavity is not smaller than the width of the slit groove.
A phase shifter comprises the double-cavity phase shifting feed device.
The application has the beneficial effects that: the double-cavity phase-shifting feed device comprises a metal cavity, wherein an installation cavity and a borrowing cavity communicated with the installation cavity through a slit groove are arranged in the metal cavity, at least one side of the metal cavity is provided with an installation port communicated with the installation cavity and the borrowing cavity, and one side of the installation cavity, which is away from the borrowing cavity, is provided with an input socket and an output socket; a transmission circuit assembly on which input pins and output pins are provided; the feed network component is arranged on one side of the metal cavity where the input jack and the output jack are located, and an external transmission network is connected to the feed network component; the transmission circuit component can be inserted into the mounting cavity and the borrowing cavity through the mounting port and move towards the feed network component, so that the input pins are welded on the feed network component through the input socket and the output pins through the output socket, and at least part of the transmission circuit component extends into the slit groove; the metal cavity is of a double-cavity structure, the middle is connected through the slit groove, the slit groove is required to be selected to be of a proper size so as to facilitate the passing of the transmission line assembly, and meanwhile, the function of fixing one side of the transmission line assembly is achieved, and the structure is more reliable; the transmission mode of the phase shifter signal is strip line transmission and is directly connected with an external transmission network, so that the cable is not used as a transition section for switching, the complexity of the whole feed network is reduced, the size of the phase shifter is smaller, the cost is lower, and the consistency of the performance is improved.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a first embodiment of a dual-cavity phase-shifting feed apparatus;
FIG. 2 is an exploded view of a dual-cavity phase-shifting feed apparatus;
FIG. 3 is a first schematic diagram of a transmission circuit assembly;
FIG. 4 is a second schematic diagram of a transmission circuit assembly;
FIG. 5 is a schematic diagram showing a second structure of a first embodiment of a dual-cavity phase-shifting power feeding apparatus;
fig. 6 is a schematic structural diagram of a second embodiment of a dual-cavity phase-shifting power feeding device.
Detailed Description
Reference will now be made in detail to the present embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present application, but not to limit the scope of the present application.
In the description of the present application, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
In the present application, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the application can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.
Referring to fig. 1 to 6, a dual-cavity phase-shifting power feeding apparatus includes:
the metal cavity 10 is internally provided with a mounting cavity 11 and a borrowing cavity 13 communicated with the mounting cavity 11 through a slit groove 12, at least one side of the metal cavity 10 is provided with a mounting port 14 communicated with the mounting cavity 11 and the borrowing cavity 13, and one side of the mounting cavity 11, which is away from the borrowing cavity 13, is provided with an input socket 15 and an output socket 16;
a transmission circuit assembly 20 on which an input pin 41 and an output pin 42 are provided;
a feeding network component 30 disposed on the side of the metal cavity 10 where the input jack 15 and the output jack 16 are located, an external transmission network accessing the feeding network component 30;
the transmission circuit assembly 20 is insertable into the mounting cavity 11 and the borrowing cavity 13 through the mounting opening 14 and moves toward the feeding network assembly 30, so that the input pins 41 are soldered to the feeding network assembly 30 through the input sockets 15 and the output pins 42 through the output sockets 16, and at least a portion of the transmission circuit assembly 20 extends into the slot 12.
In the present application, the assembly process of the power feeding device is as follows: the transmission circuit assembly 20 is transversely inserted into the mounting cavity 11, the slit groove 12 and the borrowing cavity 13 from the mounting opening 14 on the side surface of the metal cavity 10, when the input pin 41 and the output pin 42 on the transmission circuit assembly 20 are moved to be opposite to the input slot 15 and the output slot 16 respectively, the transmission circuit assembly 20 is moved towards the feed network assembly 30 along the height direction of the metal cavity 10 until the input pin 41 and the output pin 42 on the transmission circuit assembly 20 are respectively inserted into the input slot 15 and the output slot 16 and extend out of the metal cavity 10, then the feed network assembly 30 is arranged on the side of the metal cavity 10 where the input slot 15 and the output slot 16 are arranged, specifically, the input pin 41 and the output pin 42 on the transmission circuit assembly 20 are respectively inserted into the input slot 32 and the output slot 33 on the feed network assembly 30, the input connection port 25 on the input pin 41 and the first feed network 35 are welded on a first bonding pad arranged on one side of the input slot 32 in a welding manner, and the output connection port 26 on the output pin 42 and the second feed network assembly 30 are welded on one side of the feed network assembly 30 in a welding manner, and the second electrical connection pad is arranged on the side of the feed network assembly 30; further, the phase change of the transmission circuit assembly 20 is realized by sliding the first dielectric plate 27 and the second dielectric plate 28 along a preset track between the transmission circuit assembly 20 and the metal cavity 10 and changing the output phase by changing the electrical length of the transmission network, wherein the materials of the first dielectric plate 27 and the second dielectric plate 28 can be selected according to the required phase shift amount; the application has the advantages that: by arranging the metal cavity 10 into a double-cavity structure, the middle is connected through a slit groove 12, the slit groove 12 needs to be selected to be of a proper size so as to facilitate the passing of the transmission line assembly 20, and meanwhile, the structure is more reliable by playing a role of fixing one side of the transmission line assembly 20; the transmission mode of the phase shifter signal is strip line transmission and is directly connected with an external transmission network, so that the cable is not used as a transition section for switching, the complexity of the whole feed network is reduced, the size of the phase shifter is smaller, the cost is lower, and the consistency of the performance is improved.
As a preferred embodiment of the transmission circuit assembly 20, the transmission circuit assembly 20 includes:
the first substrate 21 is provided with a first circuit 23 and a second circuit 24 which are connected through a metallized via hole 22 on two sides, an input pin 41 and an output pin 42 are arranged on the first substrate 21, and an input connection port 25 connected with the first circuit 23 and an output connection port 26 connected with the second circuit 24 are respectively arranged on the input pin 41 and the output pin 42;
a first dielectric plate 27 provided on one side of the first substrate 21;
the second dielectric plate 28 is disposed on the other side of the first substrate 21.
The first substrate 21 is provided as a PCB board or a metal plate.
As a preferred embodiment of the feed network component 30, the feed network component 30 comprises:
a second substrate 31 on which an input slot 32 and an output slot 33 are provided;
a ground layer 34 disposed on a side of the second substrate 31 near the metal cavity 10 and connected to the metal cavity 10 to ensure continuity of signal transmission;
a first feed network 35 and a second feed network 36 are arranged on the side of the second substrate 31 facing away from the metal cavity 10, input pins 41 can be inserted into the input socket 32 via the input sockets 15 and connected to the first feed network 35, and output pins 42 can be inserted into the output socket 33 via the output sockets 16 and connected to the second feed network 36.
The second substrate 31 is provided with a first pad on a side facing away from the metal cavity 10, on which the input pins 41 and the first feed network 35 are soldered, and a second pad on which the output pins 42 and the second feed network 36 are soldered.
The height of the transmission circuit assembly 20 is not greater than the sum of the heights of the mounting cavity 11, the slit groove 12 and the borrowing cavity 13, so that the transmission circuit assembly 20 can be smoothly arranged in the mounting cavity 11, the slit groove 12 and the borrowing cavity 13, and of course, after the final assembly is completed, the transmission circuit assembly 20 can only extend into a part of the slit groove 12, can also extend into the whole slit groove 12 and can also partially extend into the borrowing cavity 13.
The width of the borrowing cavity 13 is not smaller than the width of the slit groove 12; referring to fig. 5, as a first embodiment of the width of the borrowing cavity 13, the width of the borrowing cavity 13 is larger than the width of the slit groove 12; referring to fig. 6, as a second embodiment of the width of the borrowing cavity 13, the width of the borrowing cavity 13 is equal to the width of the slit groove 12.
A phase shifter comprises the double-cavity phase shifting feed device.
Of course, the present application is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications and substitutions without departing from the spirit of the present application, and these equivalent modifications and substitutions are included in the scope of the present application as defined in the appended claims.
Claims (8)
1. A dual-cavity phase-shifting feed apparatus, comprising:
the metal cavity (10) is internally provided with an installation cavity (11) and a borrowing cavity (13) communicated with the installation cavity (11) through a gap groove (12), at least one side of the metal cavity (10) is provided with an installation opening (14) communicated with the installation cavity (11) and the borrowing cavity (13), and one side of the installation cavity (11) facing away from the borrowing cavity (13) is provided with an input socket (15) and an output socket (16);
a transmission circuit assembly (20) on which an input pin (41) and an output pin (42) are provided;
-a feeding network component (30) arranged on the metal cavity (10) on the side where the input jack (15) and the output jack (16) are located, an external transmission network accessing the feeding network component (30);
the transmission circuit assembly (20) can be inserted into the installation cavity (11) and the borrowing cavity (13) through the installation opening (14) and move towards the direction of the feed network assembly (30), so that the input pins (41) pass through the input jack (15) and the output pins (42) pass through the output jack (16) to be welded on the feed network assembly (30), and at least part of the transmission circuit assembly (20) extends into the gap groove (12).
2. A dual-cavity phase-shifting feed apparatus according to claim 1, wherein the transmission circuit assembly (20) comprises:
a first substrate (21), wherein a first circuit (23) and a second circuit (24) which are connected through a metallized via hole (22) are respectively arranged on two sides of the first substrate (21), an input pin (41) and an output pin (42) are arranged on the first substrate (21), and an input connection port (25) connected with the first circuit (23) and an output connection port (26) connected with the second circuit (24) are respectively arranged on the input pin (41) and the output pin (42);
a first dielectric plate (27) provided on one side of the first substrate (21);
and a second dielectric plate (28) provided on the other side of the first substrate (21).
3. A dual-cavity phase-shifting feed apparatus as claimed in claim 2, wherein: the first substrate (21) is provided as a PCB board or a metal plate.
4. A dual-cavity phase-shifting feed arrangement according to claim 1, characterized in that the feed network assembly (30) comprises:
a second substrate (31) on which an input slot (32) and an output slot (33) are provided;
a ground layer (34) disposed on a side of the second substrate (31) close to the metal cavity (10) and connected to the metal cavity (10);
a first feed network (35) and a second feed network (36) are arranged on one side of the second substrate (31) facing away from the metal cavity (10), the input pins (41) can be inserted into the input slots (32) through the input sockets (15) and connected with the first feed network (35), and the output pins (42) can be inserted into the output slots (33) through the output sockets (16) and connected with the second feed network (36).
5. The dual-cavity phase-shifting feed apparatus of claim 4, wherein: a first bonding pad and a second bonding pad are arranged on one side, facing away from the metal cavity (10), of the second substrate (31), the input pins (41) and the first feed network (35) are welded on the first bonding pad, and the output pins (42) and the second feed network (36) are welded on the second bonding pad.
6. The dual-cavity phase-shifting feed apparatus of claim 1, wherein: the height of the transmission circuit assembly (20) is not greater than the mounting cavity
(11) The sum of the heights of the slit grooves (12) and the borrowing cavities (13).
7. The dual-cavity phase-shifting feed apparatus of claim 1, wherein: the width of the borrowing cavity (13) is not smaller than the width of the gap groove (12).
8. A phase shifter, characterized by: a dual-cavity phase-shifting feed arrangement comprising any of the claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310482470.5A CN116598778A (en) | 2023-04-28 | 2023-04-28 | Double-cavity phase-shifting feed device and phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310482470.5A CN116598778A (en) | 2023-04-28 | 2023-04-28 | Double-cavity phase-shifting feed device and phase shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116598778A true CN116598778A (en) | 2023-08-15 |
Family
ID=87610753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310482470.5A Pending CN116598778A (en) | 2023-04-28 | 2023-04-28 | Double-cavity phase-shifting feed device and phase shifter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116598778A (en) |
-
2023
- 2023-04-28 CN CN202310482470.5A patent/CN116598778A/en active Pending
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