CN-224218580-U - Rigid-flexible combination board and satellite system applicable to same

Abstract

The application provides a rigid-flexible combination board and a satellite and satellite system suitable for the same, wherein the rigid-flexible combination board is suitable for being connected with each subsystem in a satellite so as to realize information interaction among the subsystems. The rigid-flexible combination board is electrically connected with each subsystem of the satellite through each flexible board electrically connected with one rigid board, so that data interaction among each subsystem in the satellite is realized, complicated and disordered data cables in the prior art can be integrated, and more concise and effective space layout in the satellite is realized.

Inventors

• YANG YONG
• CHEN YEHAI
• CAO CAIXIA
• CAI ZHIMING
• ZHU XIAOCHENG
• YANG WENZHE
• LI SHIJIA

Assignees

• 中国科学院微小卫星创新研究院
• 上海微小卫星工程中心

Dates

Publication Date

20260508

Application Date

20250418

Claims (19)

1. 1. A rigid-flexible board adapted to connect respective subsystems in a satellite to enable information interaction between the respective subsystems, the rigid-flexible board comprising: a rigid board including signal transmission lines, and And one end of each flexible board is electrically connected with the rigid board, and the other end of each flexible board is electrically connected with the corresponding subsystem.
2. 2. The rigid-flexible board according to claim 1, wherein the flexible board includes at least one plug provided at the other end, each of the plugs being for interacting information data corresponding to one function of the subsystem.
3. 3. The rigid-flexible board according to claim 2, wherein the flexible board further comprises a flexible region, and the top layer and the bottom layer of the flexible region are respectively covered with a wear-resistant layer.
4. 4. The rigid-flexible board as set forth in claim 1, wherein the satellite further comprises an extended function module for implementing a corresponding extended function, The rigid-flexible combination board further comprises at least one connector arranged on the rigid board, and the connector is used for being electrically connected with the expansion function module.
5. 5. The rigid-flexible printed circuit board according to claim 1, wherein the rigid board is provided with a metallized mounting hole for fixedly connecting the rigid-flexible printed circuit board with the satellite housing.
6. 6. The rigid-flexible board according to claim 1, wherein the signal wiring of the flexible board includes differential signal wiring.
7. 7. The rigid-flexible printed circuit board of claim 6, wherein the differential signal wirings are wired in equal length, equal width, and equal pitch, wherein, Positive and negative signals of the same signal are distributed on the same layer of the flexible board, and/or The adjacent layers of the same flexible board adopt the ground signal copper-clad as a characteristic impedance reference plane.
8. 8. The rigid-flexible board according to claim 1, wherein the material of the flexible board comprises a polyimide material.
9. 9. A rigid-flexible board as in claim 1, wherein each board edge of said rigid board has no grid tracks greater than 10 mils, and/or each board edge of said flexible board has no grid tracks greater than 10 mils.
10. 10. The rigid-flexible board according to claim 1, wherein the length of said rigid board is set according to the position of each of said subsystems.
11. 11. The rigid-flexible board according to claim 10, wherein the length ranges from 1 meter to 1.5 meters.
12. 12. The rigid-flexible board according to claim 1, wherein when the satellite is a flat-plate satellite, the width of the rigid board is set according to the thickness of the satellite.
13. 13. The rigid-flexible board according to claim 12, wherein the width ranges from 20 cm to 40 cm.
14. 14. The rigid-flexible board according to claim 1, wherein the thickness of the rigid board is not more than 5 cm.
15. 15. The rigid-flexible board according to claim 1, wherein the extension length of the flexible board is not more than 30 cm.
16. 16. The rigid-flexible board according to claim 1, wherein the subsystem comprises an energy subsystem, a star subsystem, a load subsystem, and a attitude and orbit control subsystem.
17. 17. A satellite, the satellite comprising: a plurality of subsystems for implementing a plurality of functions, and A rigid-flexible board as claimed in any one of claims 1 to 16, for connecting each of the subsystems.
18. 18. The satellite of claim 17, wherein the satellite is a flat plate satellite, and wherein the rigid-flexible board has a width that is parallel to a thickness of the satellite.
19. 19. A satellite system, the satellite system comprising: a plurality of satellites according to any of claims 17 to 18, said satellites being adapted for communication connection therebetween.

Description

Rigid-flexible combination board and satellite system applicable to same Technical Field The application mainly relates to the field of satellites, in particular to a rigid-flexible combination plate and a satellite system suitable for the rigid-flexible combination plate. Background The existing mainstream whole-satellite backbone network satellite assembly technology adopts a conventional cable network design, so that more cables exist in the satellite, more space inside the satellite is occupied, automatic assembly is difficult to realize, the manufacturing efficiency of the satellite is reduced, and the quality detection requirement and difficulty are improved. In addition, in some satellite structures, a plurality of rigid plates and a plurality of flexible plates are adopted to realize the internal data interaction of the satellite in a complex connection mode. However, the scheme needs to sequentially install each rigid plate and each flexible plate in the assembly process, and has the problems of high automation difficulty, low assembly speed, reduced quality of finished products caused by indirectly increasing assembly collision risk in the complex assembly process, and the like. Therefore, the existing satellite cable network and the technical schemes of the rigid plate and the flexible plate cannot meet the requirement of mass production of satellites. Disclosure of utility model The application aims to solve the technical problem of providing a rigid-flexible combination board and a satellite and satellite system suitable for the rigid-flexible combination board, and the manufacturing efficiency and quality of the satellite are improved by integrating the internal circuit of the satellite. In order to solve the technical problems, the application provides a rigid-flexible combination board which is suitable for being connected with each subsystem in a satellite so as to realize information interaction among the subsystems. Optionally, the flexible board includes at least one plug disposed at the other end, each plug for interacting with information data corresponding to one function of the subsystem. Optionally, the flexible board further comprises a flexible region, and the top layer and the bottom layer of the flexible region are respectively covered with a wear-resistant layer. Optionally, the satellite further comprises an expansion function module, the expansion function module is used for realizing a corresponding expansion function, the rigid-flexible combination board further comprises at least one connector arranged on the rigid board, and the connector is used for being electrically connected with the expansion function module. Optionally, the rigid plate is provided with a metallized mounting hole for fixedly connecting the rigid-flexible board with the satellite shell. Alternatively, the signal wiring of the flexible board includes a differential signal wiring. Optionally, the differential signal wiring is wired according to equal length, equal width and equal spacing, wherein positive and negative signals of the same signal are distributed on the same layer of the flexible board, and/or adjacent layers of the same flexible board adopt ground signal copper coating as characteristic impedance reference surfaces. Optionally, the material of the flexible board comprises a polyimide material. Optionally, each ply side of the rigid board has no grid tracks greater than 10 mils, and/or each ply side of the flexible board has no grid tracks greater than 10 mils. Optionally, the length of the rigid plate is set according to the position of each subsystem. Alternatively, the length ranges from 1 meter to 1.5 meters. Alternatively, when the satellite is a flat plate satellite, the width of the rigid plate is set according to the thickness of the satellite. Alternatively, the width may range from 20 cm to 40 cm. Optionally, the rigid plate has a thickness of no more than 5 cm. Optionally, the flexible sheet has an extension length of no more than 30 cm. Optionally, the subsystem comprises an energy subsystem, a satellite subsystem, a load subsystem and a attitude and orbit control subsystem. In order to solve the technical problems, the application provides a satellite which comprises a plurality of subsystems and a rigid-flexible combination board, wherein the subsystems are used for realizing a plurality of functions, and the rigid-flexible combination board is used for connecting the subsystems. Optionally, in the satellite, the satellite is a flat satellite, and a width direction of the rigid-flexible board is parallel to a thickness direction of the satellite. In order to solve the technical problems, the application provides a satellite system which comprises a plurality of satellites, wherein the satellites are suitable for communication connection. The satellite can be manufactured by adopting the manufacturing method of the satellite, and the manufacturing method comprises the followin