CN-122026035-A - Ka-Ku transceiver component waveguide switching device and component

CN122026035ACN 122026035 ACN122026035 ACN 122026035ACN-122026035-A

Abstract

The application discloses a waveguide switching device and a waveguide switching device for a Ka-Ku transceiver component, relates to the field of satellite communication, and aims to solve the problem of quick switching of a Ku/Ka feed source component in a low-cost mode. The waveguide switching device of the Ka-Ku transceiver component comprises a switching device body, a public port is arranged on the switching device body and used for being connected with a Ka feed source or a Ku feed source, a Ka frequency band port is arranged on the switching device body and is connected with the public port through a first waveguide structure and used for being fixedly connected with the Ka transceiver component, a Ku frequency band port is arranged on the switching device body and is connected with the public port through a second waveguide structure, and a Ku frequency band port is used for being fixedly connected with the Ku transceiver component. The application realizes the receiving and transmitting compatibility of the Ka frequency band and the Ku frequency band, and has the advantages of small whole structure, high portability and low cost.

Inventors

XUE SONG
ZHONG JIE
Ye Jiashuai
CHEN SONG
Liu Lianbiao
TAN LIANG
SUN YUBIN
YANG FENG

Assignees

江苏卫莱通信技术有限公司

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (10)

1. The utility model provides a Ka-Ku transceiver module waveguide auto-change over device which characterized in that includes: a switching device body; The public port is arranged on the switching device body and is used for being connected with a Ka feed source or a Ku feed source; The Ka frequency band port is arranged on the switching device body and is connected with the public port through a first waveguide structure, and the Ka frequency band port is used for being fixedly connected with the Ka transceiver component; the Ku frequency band port is arranged on the switching device body and is connected with the public port through a second waveguide structure, and the Ku frequency band port is used for being fixedly connected with the Ku transceiver component.
2. The Ka-Ku transceiver component waveguide switching device of claim 1, wherein the common port comprises a port pedestal, a square wave guide port, and a circular wave guide port; The square wave guide port is connected with the first waveguide structure; the circular waveguide port is connected with the second waveguide structure; The port base is used for connecting the Ka feed source or the Ku feed source, and enables the circular waveguide port to be shielded by the Ka feed source when the Ka feed source is connected, and enables the square waveguide port to be shielded by the Ku feed source when the Ku feed source is connected.
3. The waveguide switching device of the Ka-Ku transceiver assembly of claim 2, wherein the square wave guide port comprises a first square wave guide port and a second square wave guide port, and wherein the Ka band port comprises a first Ka band port and a second Ka band port; the first waveguide structure comprises a first Ka waveguide and a second Ka waveguide; the first Ka waveguide comprises a first square waveguide, a first ladder gradual change waveguide and a first snake bend waveguide which are sequentially connected, wherein the first square waveguide is connected with a first square waveguide port; the second Ka waveguide comprises a second square waveguide, a second step-by-step waveguide and a second snake-bend waveguide which are sequentially connected, the second square waveguide is connected with a second square waveguide port, and the second snake-bend waveguide is connected with a second Ka frequency band port.
4. The waveguide switching device of the Ka-Ku transceiver module of claim 3, wherein the first Ka-band port and the second Ka-band port are disposed on the same side of the switching device body, the first square wave guide port and the second square wave guide port are centrally symmetrical with respect to a center of the circular wave guide port, and the first Ka-waveguide and the second Ka-waveguide are mutually symmetrical.
5. The Ka-Ku transceiver component waveguide switching device of claim 2, wherein the Ku band port comprises a first Ku band port and a second Ku band port; The second waveguide structure comprises a circular waveguide, a third step transition waveguide, a first Ku waveguide and a second Ku waveguide; the circular waveguide is connected with the circular waveguide port; the third step-by-step graded waveguide is connected with the circular waveguide; The first Ku waveguide is connected with the third step-by-step graded waveguide and is connected with the first Ku frequency band port; The second Ku waveguide is connected with the third step gradient waveguide and is connected with the second Ku frequency band port.
6. The Ka-Ku transceiver component waveguide switching device of claim 5, wherein the third stepped graded waveguide comprises a first stepped side and a second stepped side disposed opposite each other, the first stepped side and the second stepped side being symmetrical to each other, a top of the third stepped graded waveguide being connected to the circular waveguide, a bottom of the third stepped graded waveguide being connected to the second Ku waveguide, and the first Ku waveguide being connected to the first stepped side.
7. The Ka-Ku transceiver component waveguide switching device of claim 6, wherein the first Ku band port and the second Ku band port are disposed on a same side of the switching device body; the first Ku waveguide comprises a fourth step-by-step graded waveguide and a third party waveguide which are connected with each other, the fourth step-by-step graded waveguide is connected with the first step-by-step side surface, and the third party waveguide is connected with the first Ku frequency band port; The second Ku waveguide comprises a fifth step-graded waveguide and a fourth square waveguide which are connected with each other, the fifth step-graded waveguide is connected with the bottom of the third step-graded waveguide, and the fourth square waveguide is connected with the second Ku frequency band port.
8. The Ka-Ku transceiver component waveguide switching device of claim 6 or 7, wherein a matching waveguide is disposed on a second stepped side of the third stepped graded waveguide, the matching waveguide being disposed opposite the first Ku waveguide.
9. A Ka-Ku transceiver component waveguide switching assembly comprising a Ka-Ku transceiver component waveguide switching device as claimed in any one of claims 1 to 8, and A Ka feed source; A Ku feed; and the Ka feed source and the Ku feed source are matched with the public port.
10. The Ka-Ku transceiver waveguide switching assembly of claim 9, wherein the Ka feed source comprises a Ka radiation surface, a Ka transition waveguide and a Ka mounting seat which are sequentially connected, and wherein the Ku feed source comprises a Ku radiation surface, a Ku transition waveguide and a Ku mounting seat which are sequentially connected; The Ka mount is configured to communicate the Ka transition waveguide with the first waveguide structure while shielding the second waveguide structure when connected to the common port; the Ku mount is designed to communicate the Ku transition waveguide with the second waveguide structure while shielding the first waveguide structure when connected to the common port.

Description

Ka-Ku transceiver component waveguide switching device and component Technical Field The invention relates to the technical field of satellite communication, in particular to a waveguide switching device and a waveguide switching assembly for a Ka-Ku transceiver assembly. Background The satellite ground terminal needs to realize data communication with the satellite through a feed source and a transceiver component (TR component). Currently, the requirement of the satellite ground terminal for compatibility Ku/Ka is increasing, and when the Ka satellite is not available, the communication through the Ku satellite is a main requirement of the current industry. The currently known solution is to use a dual-frequency feed source design in the satellite ground terminal, namely, a feed source supporting both Ka frequency band and Ku frequency band is configured for the satellite ground terminal, which can be used as both Ka feed source and Ku feed source. However, the feed source has a complex structure, high cost and large size, and is not suitable for portable equipment. In addition, other solutions are known for performing a mobile communication design using Ku/Ka antennas with dual panel arrays, or using lens antennas to support multi-band transceiving, but these solutions are expensive to manufacture. Therefore, the currently common mode of receiving and transmitting compatible with the Ku/Ka frequency band is to operate the reflecting surface antenna by replacing the feed source component, namely, integrally replacing the feed source and the receiving and transmitting component, as shown in fig. 1. But repeatedly dismantle different feeds and still need change the cable of adaptation, the operation is comparatively loaded down with trivial details, and switching efficiency is lower, and frequent operation damages the subassembly facility easily. Disclosure of Invention The invention aims to provide a waveguide switching device and a waveguide switching assembly for a Ka-Ku transceiver assembly, which aim at solving the problem of quick switching of a Ku/Ka feed source assembly in a low-cost mode. The technical scheme adopted by the invention is as follows: A Ka-Ku transceiver component waveguide switching device, comprising: a switching device body; The public port is arranged on the switching device body and is used for being connected with a Ka feed source or a Ku feed source; The Ka frequency band port is arranged on the switching device body and is connected with the public port through a first waveguide structure, and the Ka frequency band port is used for being fixedly connected with the Ka transceiver component; the Ku frequency band port is arranged on the switching device body and is connected with the public port through a second waveguide structure, and the Ku frequency band port is used for being fixedly connected with the Ku transceiver component. Optionally, the common port includes a port base, a square wave guide port, and a circular wave guide port; The square wave guide port is connected with the first waveguide structure; the circular waveguide port is connected with the second waveguide structure; The port base is used for connecting the Ka feed source or the Ku feed source, and enables the circular waveguide port to be shielded by the Ka feed source when the Ka feed source is connected, and enables the square waveguide port to be shielded by the Ku feed source when the Ku feed source is connected. Optionally, the square wave guide port comprises a first square wave guide port and a second square wave guide port, and the Ka frequency band port comprises a first Ka frequency band port and a second Ka frequency band port; the first waveguide structure comprises a first Ka waveguide and a second Ka waveguide; the first Ka waveguide comprises a first square waveguide, a first ladder gradual change waveguide and a first snake bend waveguide which are sequentially connected, wherein the first square waveguide is connected with a first square waveguide port; the second Ka waveguide comprises a second square waveguide, a second step-by-step waveguide and a second snake-bend waveguide which are sequentially connected, the second square waveguide is connected with a second square waveguide port, and the second snake-bend waveguide is connected with a second Ka frequency band port. Optionally, the first Ka-band port and the second Ka-band port are disposed on the same side of the switching device body, the first square wave guide port and the second square wave guide port are centrally symmetrical with respect to a center of the circular wave guide port, and the first Ka-waveguide and the second Ka-waveguide are mutually symmetrical. Optionally, the Ku band port includes a first Ku band port and a second Ku band port; The second waveguide structure comprises a circular waveguide, a third step transition waveguide, a first Ku waveguide and a second Ku waveguide; the circular waveguide is connected