CN216252735U - Radio frequency caliber transformation device - Google Patents
Radio frequency caliber transformation device Download PDFInfo
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- CN216252735U CN216252735U CN202122904751.4U CN202122904751U CN216252735U CN 216252735 U CN216252735 U CN 216252735U CN 202122904751 U CN202122904751 U CN 202122904751U CN 216252735 U CN216252735 U CN 216252735U
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Abstract
The utility model provides a radio frequency bore conversion equipment, includes the blind connector of joining in marriage of first blind connector of being connected with the antenna end and the blind connector of joining in marriage of second of being connected with T/R subassembly end, and the blind connector of joining in marriage of first blind connector is installed on first mounting panel, and the blind connector of joining in marriage of second is installed on the second mounting panel, sets up the PCB board between first mounting panel and the second mounting panel, is provided with the metal connecting wire on the PCB board, connects the blind connector of joining in marriage of first blind connector and the blind connector of joining in marriage of second of different radio frequency bores through the metal connecting wire. The transmission method of the device comprises the steps that antenna signals are received through one end of the metal connecting wire according to the radio frequency caliber of the first blind mating connector, and the other end of the metal connecting wire sends the signals to the T/R component according to the radio frequency caliber of the second blind mating connector. The utility model realizes the dense, light, small, equal phase, stable phase, low loss and low cost blind matching connection when the distance between the T/R component and the antenna is inconsistent.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to a radio frequency caliber transformation device.
Background
In order to improve the spatial resolution of a weapon equipment system, improve the frequency efficiency and realize the self-adaptive adjustment of the phase and the power of each antenna element, a passive antenna used by weapon equipment is gradually replaced by an active phased array antenna, and the active phased array antenna can realize higher efficiency and better coverage range through a beam forming technology. In a phased array antenna system, a blind-mate interconnection structure is generally adopted to realize the connection between a T/R assembly and an antenna. Because the use frequencies are different, the types of the antennas are different, the distances between the antenna units are different, the main functions of the T/R assembly are transmitting power amplification, transmitting and receiving isolation, receiving low noise amplification and the like, because the performance index requirements of the T/R assembly are different and the distances are also different, in order to realize the connection when the distances between the T/R assembly and the antennas are different, the traditional method adopts a radio frequency cable assembly for connection, but the method has the advantages of large volume, heavy weight, high loss and high cost, and is not suitable for being applied to occasions requiring light weight and miniaturization requirements, such as carrier-borne carriers, airborne carriers and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provide a radio frequency caliber changing device, which realizes blind matching connection when the distance between a T/R assembly and an antenna is inconsistent and meets the application requirements of light weight and miniaturization.
In order to achieve the purpose, the utility model has the following technical scheme:
the utility model provides a radio frequency bore conversion equipment, includes the blind connector of joining in marriage of first blind connector of being connected with the antenna end and the blind connector of joining in marriage of second of being connected with T/R subassembly end, and the blind connector of joining in marriage of first blind connector is installed on first mounting panel, and the blind connector of joining in marriage of second is installed on the second mounting panel, sets up the PCB board between first mounting panel and the second mounting panel, is provided with the metal connecting wire on the PCB board, connects the blind connector of joining in marriage of first blind connector and the blind connector of joining in marriage of second of different radio frequency bores through the metal connecting wire.
As a preferred scheme of the radio frequency aperture changing device of the present invention, metal plates are disposed on two side surfaces of the PCB, the metal plates are respectively attached to the first mounting plate and the second mounting plate, and ends of the first blind-mate connector and the second blind-mate connector are respectively inserted into and mounted on the metal plates.
As a preferred scheme of the radio frequency caliber changing device, the metal plate is a copper plate, and the metal connecting wire is a strip-shaped metal wire arranged on the PCB.
As a preferred scheme of the radio frequency aperture conversion device of the present invention, metal grounding holes are provided between metal plates on both side surfaces of the PCB, and every two metal grounding holes are provided on both sides of a metal connection line connected between the first blind mate connector and the second blind mate connector.
As a preferable scheme of the radio frequency aperture changing device of the present invention, axes of the first blind mate connector and the second blind mate connector are respectively perpendicular to surfaces on both sides of the PCB, and axes of the first blind mate connector and the second blind mate connector are parallel to each other.
As a preferable scheme of the radio frequency aperture changing device of the present invention, the first blind mating connector and the second blind mating connector are elastically and floatingly mounted on the first mounting plate and the second mounting plate, respectively.
As a preferred embodiment of the rf aperture transforming apparatus of the present invention, the metal connecting wire includes a first connecting portion, an intermediate transition portion and a second connecting portion, the rf aperture of the first connecting portion is matched with the first blind-mate connector, the rf aperture of the second connecting portion is matched with the second blind-mate connector, and the intermediate transition portion is used for re-collecting and distributing signals between the first connecting portion and the second connecting portion.
As a preferred embodiment of the rf aperture transforming device of the present invention, the intermediate transition portion is composed of a plurality of segments, the channel winding phases of the metal connecting wires are equal, and the winding distance is adjusted according to the difference distance.
The transmission method of the radio frequency caliber changing device comprises the following steps:
and receiving an antenna signal through one end of the metal connecting wire according to the radio frequency caliber of the first blind mate connector, and sending the signal to the T/R component through the other end of the metal connecting wire according to the radio frequency caliber of the second blind mate connector.
Furthermore, different metal connecting wires are arranged on the PCB according to different distances between the second blind mating connector and the first blind mating connector, the channel detouring phases of the metal connecting wires are equal, and the winding distance is adjusted according to the difference distance, so that the phases of the first blind mating connector and the second blind mating connector are equal.
Compared with the prior art, the utility model has the following beneficial effects:
because the radio frequency calibers of the blind-mate connector connected with the antenna end and the blind-mate connector connected with the T/R component end are different, the required spacing is larger and the weight is larger in the traditional radio frequency cable connection mode, and therefore the blind-mate connector is not suitable for occasions requiring light weight and miniaturization requirements such as carrier-borne and airborne. On the other hand, the radio frequency cable is used for realizing high cost of raw materials required by equal-phase and stable-phase, high cost of phase matching manual assembly and long period. And the whole radio frequency channel has large loss by using a radio frequency cable connection mode. Aiming at the problems in the prior art, the radio frequency caliber transformation device is provided with the PCB between the first mounting plate and the second mounting plate which are respectively provided with the first blind mating connector and the second blind mating connector, and the first blind mating connector and the second blind mating connector with different radio frequency calibers are connected through the metal connecting wire, so that the intensive, light-weight, small-size, phase-constant, stable, low-loss and low-cost blind mating connection when the distance between the T/R assembly and the antenna is inconsistent is realized.
Furthermore, the metal grounding holes are formed between the metal plates on the surfaces of the two sides of the PCB, and the metal connecting wires connected between the first blind-mate connector and the second blind-mate connector are isolated from the two sides through the two metal grounding holes, so that mutual interference among channels is effectively prevented.
Drawings
FIG. 1 is a schematic diagram of a conventional blind-mate connector using RF cables;
FIG. 2 is a schematic cross-sectional view of the structure of the RF aperture channel switching device of the present invention;
FIG. 3 is a schematic cross-sectional view of the structure of the apparatus of the present invention for transforming the channel from the nearest RF aperture;
FIG. 4 is a schematic diagram showing the gap between the apertures of the A-side and the B-side of the RF aperture transformer of the present invention;
in the drawings: 1-a first blind mate connector; 2-a second blind mate connector; 3-a PCB board; 4-a first mounting plate; 5-a second mounting plate; 6-metal grounding hole; 7-metal connecting wires; 8-a radio frequency cable; 71-a first connection; 72-an intermediate transition; 73-second connection.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, in a conventional structure for connecting blind-mate connectors by using rf cables, a first blind-mate connector 1 connected to an antenna terminal and a second blind-mate connector 2 connected to a T/R device terminal are connected to each other by an rf cable 8. The traditional structure for connecting the blind mating connector by using the radio frequency cable has the advantages of large required spacing and heavy weight, and is not suitable for occasions requiring light weight and miniaturization requirements, such as ship-borne and airborne occasions. Meanwhile, equal-phase and stable-phase are realized by using the radio frequency cable, the raw material cost is high, the phase matching manual assembling cost is high, and the period is long. And, use the radio frequency cable to connect, the whole radio frequency channel loss is big.
Referring to fig. 2, the radio frequency aperture conversion apparatus provided by the present invention includes a first blind mate connector 1 connected to an antenna end and a second blind mate connector 2 connected to a T/R assembly end, wherein the first blind mate connector 1 is installed on a first installation board 4, the second blind mate connector 2 is installed on a second installation board 5, a PCB 3 is installed between the first installation board 4 and the second installation board 5, metal plates are installed on two side surfaces of the PCB 3, the metal plates are respectively attached to the first installation board 4 and the second installation board 5, end portions of the first blind mate connector 1 and the second blind mate connector 2 are respectively inserted into and installed on the metal plates, a metal connection line 7 is installed on the PCB 3, and the first blind mate connector 1 and the second blind mate connector 2 with different radio frequency apertures are connected through the metal connection line 7. In one embodiment, the metal plate is a copper plate, and the metal connecting wire 7 is a strip-shaped metal wire laid on the PCB 3. In order to realize that the channels do not interfere with each other, metal grounding holes 6 are arranged between metal plates on the surfaces of the two sides of the PCB 3, every two metal grounding holes 6 are arranged on the two sides of a metal connecting wire 7 connected between the first blind mating connector 1 and the second blind mating connector 2, and the channels can be effectively isolated through the metal grounding holes 6.
In the present embodiment, the axes of the first and second blind-mate connectors 1 and 2 are respectively kept perpendicular to both side surfaces of the PCB board 3, and the directions of the axes of the first and second blind-mate connectors 1 and 2 are kept parallel. And in match, the first blind mating connector 1 and the second blind mating connector 2 are respectively arranged on the first mounting plate 4 and the second mounting plate 5 in an elastic floating mode, the outer conductors of the first blind mating connector 1 and the second blind mating connector 2 are respectively sufficient with the first mounting plate 4 and the second mounting plate 5, and the inner conductors of the first blind mating connector 1 and the second blind mating connector 2 can elastically float relative to the outer conductors.
In one embodiment, to implement the equiphase function, the metal connection line 7 includes a first connection portion 71, an intermediate transition portion 72 and a second connection portion 73, the rf aperture of the first connection portion 71 matches with the first blind-mate connector 1, the rf aperture of the second connection portion 73 matches with the second blind-mate connector 2, and the intermediate transition portion 72 is used for performing signal reconvergence and distribution between the first connection portion 71 and the second connection portion 73. The intermediate transition portion 72 is composed of several segments, the phases of the channel detours of the metal connecting wires 7 are equal, and the distance of the wire winding is adjusted according to the magnitude of the phase difference, as shown in fig. 2 and 3.
Referring to fig. 4, the transmission method of the radio frequency aperture transformation device of the present invention specifically includes: and receiving an antenna signal through one end of the metal connecting wire 7 according to the radio frequency caliber of the first blind mating connector 1, and sending the signal to the T/R component through the other end of the metal connecting wire 7 according to the radio frequency caliber of the second blind mating connector 2.
Furthermore, different metal connecting wires 7 are arranged on the PCB 3 according to different distances between the second blind mating connector 2 and the first blind mating connector 1, the channel winding phases of the metal connecting wires 7 are equal, and the winding distance is adjusted according to the difference distance, so that the phases of the first blind mating connector 1 and the second blind mating connector 2 are equal.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and it should be understood by those skilled in the art that the technical solution can be modified and replaced by a plurality of simple modifications and replacements without departing from the spirit and principle of the present invention, and the modifications and replacements also fall into the protection scope covered by the claims.
Claims (8)
1. A radio frequency caliber changing device is characterized in that: the antenna blind-mate connector comprises a first blind-mate connector (1) connected with an antenna end and a second blind-mate connector (2) connected with a T/R assembly end, wherein the first blind-mate connector (1) is installed on a first installation plate (4), the second blind-mate connector (2) is installed on a second installation plate (5), a PCB (printed circuit board) (3) is arranged between the first installation plate (4) and the second installation plate (5), a metal connecting wire (7) is arranged on the PCB (3), and the first blind-mate connector (1) and the second blind-mate connector (2) with different radio-frequency calibers are connected through the metal connecting wire (7).
2. A radio frequency aperture changing device according to claim 1, wherein: the both sides surface of PCB board (3) sets up the metal sheet, the metal sheet laminates with first mounting panel (4) and second mounting panel (5) mutually respectively, the blind tip of joining in marriage connector (1) and the blind connector (2) of second insert respectively and install on the metal sheet.
3. A radio frequency aperture changing device according to claim 2, wherein: the metal plate is a copper plate, and the metal connecting wire (7) is a strip-shaped metal wire arranged on the PCB (3).
4. A radio frequency aperture changing device according to claim 2, wherein: metal grounding holes (6) are formed between metal plates on the surfaces of the two sides of the PCB (3), and every two metal grounding holes (6) are formed in the two sides of a metal connecting line (7) connected between the first blind-mate connector (1) and the second blind-mate connector (2).
5. A radio frequency aperture changing device according to claim 1, wherein: the axes of the first blind-mate connector (1) and the second blind-mate connector (2) are respectively vertical to the surfaces of two sides of the PCB (3), and the axes of the first blind-mate connector (1) and the second blind-mate connector (2) are parallel.
6. The radio frequency aperture changing device according to claim 5, wherein: the first blind-mate connector (1) and the second blind-mate connector (2) are elastically and floatingly mounted on the first mounting plate (4) and the second mounting plate (5) respectively.
7. A radio frequency aperture changing device according to claim 1, wherein: the metal connecting wire (7) comprises a first connecting portion (71), a middle transition portion (72) and a second connecting portion (73), the radio-frequency caliber of the first connecting portion (71) is matched with the first blind-mate connector (1), the radio-frequency caliber of the second connecting portion (73) is matched with the second blind-mate connector (2), and the middle transition portion (72) is used for remitting and distributing signals between the first connecting portion (71) and the second connecting portion (73).
8. The radio frequency aperture changing device according to claim 7, wherein: the middle transition part (72) is composed of a plurality of sections, the channel winding phases of the metal connecting wires (7) are equal, and the winding distance is adjusted according to the difference distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904751.4U CN216252735U (en) | 2021-11-24 | 2021-11-24 | Radio frequency caliber transformation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122904751.4U CN216252735U (en) | 2021-11-24 | 2021-11-24 | Radio frequency caliber transformation device |
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| Publication Number | Publication Date |
|---|---|
| CN216252735U true CN216252735U (en) | 2022-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122904751.4U Active CN216252735U (en) | 2021-11-24 | 2021-11-24 | Radio frequency caliber transformation device |
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| CN (1) | CN216252735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992227A (en) * | 2021-11-24 | 2022-01-28 | 西安艾力特电子实业有限公司 | Radio frequency caliber transformation device and transmission method thereof |
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2021
- 2021-11-24 CN CN202122904751.4U patent/CN216252735U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113992227A (en) * | 2021-11-24 | 2022-01-28 | 西安艾力特电子实业有限公司 | Radio frequency caliber transformation device and transmission method thereof |
| CN113992227B (en) * | 2021-11-24 | 2024-07-23 | 西安艾力特电子实业有限公司 | Radio frequency caliber conversion device and transmission method thereof |
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