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CN-121990179-A - Modularized drawer type flat satellite structure

CN121990179ACN 121990179 ACN121990179 ACN 121990179ACN-121990179-A

Abstract

The invention relates to a modularized drawer type flat satellite structure, which belongs to the field of satellite overall design and comprises n modules, wherein the modules are of a flat structure, the n modules are sequentially stacked in the vertical direction to form an overall flat satellite structure, any module is detached or installed, the modules are of a special-shaped structure, the modules comprise a shell, a plugboard and an interface board, the plugboard is of a special-shaped plate structure, the shell is of a hollow shell structure adaptive to the shape of the plugboard, the shell is horizontally arranged, an opening is formed in the side wall of the shell, the plugboard is horizontally inserted into the shell from the opening, the interface board is arranged at the opening of the shell, the interface board is communicated with the plugboard, and information transmission and power supply among the modules are realized through the plugboard.

Inventors

  • ZHENG XIAOTIAN
  • CAO YONGHU
  • Mou Yongheng
  • WANG NINGYUAN
  • PEI SHENGWEI
  • LI XIUFENG

Assignees

  • 中国空间技术研究院

Dates

Publication Date
20260508
Application Date
20250723

Claims (10)

  1. 1. A modularized drawer type flat satellite structure is characterized by comprising n modules; The modules are of a flat plate structure, n modules are sequentially stacked in the vertical direction to form an integral flat plate satellite structure, any module is detached or installed, the modules are of special-shaped structures, and n is a positive integer greater than or equal to 3.
  2. 2. The modular drawer-type flat satellite structure according to claim 1, wherein the module comprises a housing (1), a plugboard (2) and an interface board (3); the plug board (2) is of a special-shaped plate-shaped structure, the shell (1) is of a hollow shell structure which is adaptive to the shape of the plug board (2), the shell (1) is horizontally arranged, an opening is formed in the side wall of the shell (1), the plug board (2) is inserted into the shell (1) from the opening along the horizontal direction, the interface board (3) is arranged at the opening of the shell (1), the interface board (3) is communicated with the plug board (2), and information transmission and power supply among all modules are achieved through the plug board (2).
  3. 3. The modularized drawer type flat satellite structure is characterized in that a guide rail is arranged at the bottom of the inner wall of the shell (1) to enable the plugboard (2) to be inserted into the shell (1) along the guide rail, and a vibration reduction buffer structure is arranged in an inner cavity of the shell (1) to enable the plugboard (2) to be supported and buffered.
  4. 4. The modularized drawer type flat satellite structure according to claim 2 is characterized in that an automatic locking device is respectively arranged on two sides of the top of the inner cavity of the shell (1), and after the plugboard (2) is completely inserted into the inner cavity of the shell (1), a locating pin of the automatic locking device automatically falls down to locate the plugboard (2).
  5. 5. The modularized drawer type flat satellite structure according to claim 2 is characterized in that an elastic pressing device is arranged at the rear part of an inner cavity of the shell (1), when the plugboard (2) is not inserted, the elastic pressing device is in a free state, after the plugboard (2) is inserted, the elastic pressing device is in a pressing state, when the plugboard (2) needs to be taken out, external force is applied, the elastic pressing device is unlocked, and an ejecting force is provided, so that the plugboard (2) is quickly separated from the shell (1).
  6. 6. The modularized drawer type flat satellite structure according to claim 2 is characterized in that the plugboard (2) is of a semi-annular plate structure, the shell (1) is a semi-annular hollow shell adapting to the shape of the plugboard (2), and after the plugboard (2) is inserted into the shell (1), the 2 interface boards (3) are installed at two openings of the shell (1).
  7. 7. The modular drawer type flat satellite structure according to claim 6, wherein when the bearing barrel (4) is provided, after the plugboard (2) is inserted into the shell (1), the inner ring side wall of the shell (1) is sealed and a butt joint interface is provided, and the shell (1) is horizontally arranged on the side wall of the bearing barrel (4) through the butt joint interface.
  8. 8. The modularized drawer type flat satellite structure according to claim 2 is characterized in that the plugboard (2) is of a semicircular plate-shaped structure, the shell (1) is a semicircular hollow shell which is adapted to the shape of the plugboard (2), the interface board (3) is of a rectangular plate-shaped structure which is vertically placed, and the interface board (3) is installed at an opening of the shell (1) after the plugboard (2) is inserted into the shell (1).
  9. 9. The modularized drawer type flat satellite structure is characterized in that the plugboard (2) is of a circular plate-shaped structure, each shell (1) is of a semicircular hollow shell structure, the 2 shells (1) are butted to form the circular hollow shell structure which is adaptive to the shape of the plugboard (2), 2 interface boards (3) are symmetrically arranged on the upper surface of the plugboard (2), and 2 through holes are formed in the upper surface of the shell (1) at positions corresponding to the 2 interface boards (3).
  10. 10. The modular drawer type flat satellite structure according to claim 9, wherein when the plugboard (2) is of a circular plate-shaped structure, the plugboard (2) is horizontally inserted into the inner cavity of one of the shells (1) at first, and then the other shell (1) is horizontally sleeved on the outer wall of the plugboard (2) from the other end.

Description

Modularized drawer type flat satellite structure Technical Field The invention belongs to the field of satellite overall design, and relates to a modularized drawer type flat satellite structure. Background In order to adapt to large-scale launching networking of low-orbit constellation and improve space utilization efficiency of rocket fairings, the existing low-orbit constellation satellites gradually adopt flat plate type design structures and systems. The structure is characterized in that the satellite structure is regularly flattened, can be installed in a stacking mode in carrying, fully utilizes carrying space and realizes the maximization of the emission efficiency. At present, a three-layer structure is basically adopted for a flat plate type satellite, wherein the upper mounting plate is mainly responsible for structural support and external cabin installation, the middle plate comprises a structural frame which is responsible for bearing and installing equipment in a cabin, and the lower mounting plate is responsible for the structural support and the external cabin installation. The three layers of structures vertically connected in series are connected in a vertical mode. The vertical series size structure is fixed, is not beneficial to scale and function expansion and poor in flexibility, is basically of a quadrilateral structure, is low in space utilization efficiency, and is low in assembly efficiency due to the fact that traditional cabin closing and cabin dividing procedures are adopted during assembly integration and maintenance. Disclosure of Invention The invention solves the technical problems of overcoming the defects of the prior art, providing a modularized drawer type flat satellite structure which can realize flexible expansion of functions and structures by adopting modularized design, and can realize effective and rapid integration of assembly and equipment replacement by adopting a drawer type structure without a sub-cabin. The solution of the invention is as follows: a modularized drawer type flat satellite structure comprises n modules; The modules are of a flat plate structure, n modules are sequentially stacked in the vertical direction to form an integral flat plate satellite structure, any module is detached or installed, the modules are of special-shaped structures, and n is a positive integer greater than or equal to 3. In the above-mentioned modular drawer type flat satellite structure, the module includes a housing, a plugboard and an interface board; The plug board is of a special-shaped plate structure, the shell is of a hollow shell structure which is adaptive to the shape of the plug board, the shell is horizontally placed, an opening is formed in the side wall of the shell, the plug board is inserted into the shell from the opening along the horizontal direction, the interface board is arranged at the opening of the shell, the interface board is communicated with the plug board, and information transmission and power supply among all modules are achieved through the plug board. In the modularized drawer type flat satellite structure, the guide rail is arranged at the bottom of the inner wall of the shell to enable the plugboard to be inserted into the shell along the guide rail, and the vibration reduction buffer structure is arranged in the inner cavity of the shell to enable the plugboard to be supported and buffered. In the modularized drawer type flat satellite structure, the two sides of the top of the inner cavity of the shell are respectively provided with the automatic locking devices, and after the plugboard is completely inserted into the inner cavity of the shell, the positioning pins of the automatic locking devices automatically fall down to position the plugboard. According to the modularized drawer type flat satellite structure, the elastic pressing device is arranged at the rear part of the inner cavity of the shell, when the plugboard is not inserted, the elastic pressing device is in a free state, after the plugboard is inserted, the elastic pressing device is in a pressing state, when the plugboard needs to be taken out, the external force is applied, the elastic pressing device is unlocked, and elastic force is provided, so that the plugboard can be quickly separated from the shell. In the modularized drawer type flat satellite structure, the plugboard is of a semi-annular plate structure, the shell is a semi-annular hollow shell adapting to the shape of the plugboard, and after the plugboard is inserted into the shell, the 2 interface boards are installed at two openings of the shell. In the modular drawer type flat satellite structure, when the bearing barrel is provided, the plug board is inserted into the shell, the inner ring side wall of the shell is sealed and a butt joint interface is provided, and the shell is horizontally arranged on the side wall of the bearing barrel through the butt joint interface. In the modularized drawer type