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Line box for aerospace craft star sensor

A technology of sensors and circuit boxes, which is applied in the field of design and development of on-board electronic equipment, can solve the problems of low degree of product production and processing, large structure-to-weight ratio, unclear interface, etc., to improve the overall mechanical properties, easy to process and install, Avoid the effect of the cable itself

Active Publication Date: 2012-10-24
BEIJING INST OF CONTROL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are the following disadvantages: 1. The volume is large, and the structural weight accounts for a large proportion of the total product weight; 2. The disassembly and assembly are complicated, the interface between the circuit board components is not clear, and the debugging is inconvenient; 3. The degree of product production and processing is low

Method used

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  • Line box for aerospace craft star sensor
  • Line box for aerospace craft star sensor
  • Line box for aerospace craft star sensor

Examples

Experimental program
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Embodiment

[0024] Such as figure 2 Shown includes a power board module 1, a refrigerator control board module 2, a RISC board module 3, an ISB board module 4, a module cover plate 5, and nails 6. Wherein, the power board module 1 is at the bottom, and the refrigerator control board module 2, the RISC board module 3, the ISB board module 4 and the module cover board 5 are installed sequentially from bottom to top. The nails 6 pass through the module cover plate 5, the ISB board module 4, the RISC board module 3, and the refrigerator control board module 2 from top to bottom in sequence, and are finally fixed in the threaded holes on the power board module 1.

[0025] The body length and width of the power board module 1, the refrigerator control board module 2, the RISC board module 3, the ISB board module 4 and the module cover board 5 are the same. The height dimension of each module depends on the comprehensive consideration of the height of the devices on the respective circuit boar...

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Abstract

The invention discloses a line box for an aerospace craft star sensor. The line box comprises multiple circuit boards with different functions and is characterized by also comprising a frame, a cover plate and a driftbolt. The circuit boards and a power board are fixed in the frame to form a module; the modules have the same appearance size and are mutually overlapped in a direction vertical to the module board to form a whole; the circuit board with a power supply function is mounted below all modules; data transmission connectors matched with each other are arranged between the circuit boards of adjacent two modules, and the circuit boards are inserted together after the assembly; the cover plate is mounted on the top module; and after the assembly, the driftbolt penetrates through the overlapped modules in a direction vertical to the circuit board to fix all the modules together. The line box disclosed by the invention has enough strength and rigidity, good heat radiation, certain resistance against the radiation total dose, compact structure, low weight and good expandability, and is convenient to mount and easy for realization of batch production of the products.

Description

technical field [0001] The invention belongs to the field of design and development of on-board electronic equipment, and in particular relates to a circuit box applied to a star sensor of an aerospace vehicle. Background technique [0002] The active pixel image sensor (APS) represents the development trend of the next generation of high-precision and long-life star sensors. Its advantages of high precision, high data update rate and long life greatly meet the current satellite attitude determination requirements and improve the satellite's performance. Attitude determination accuracy. [0003] As the key on-board electronic equipment for satellite attitude measurement, the star sensor's reliability is an important index to determine the accuracy and reliability of the whole satellite attitude measurement. In the space environment, the star sensor will not only be in a vacuum-thermal environment composed of high vacuum, solar radiation and a black body near absolute zero, ...

Claims

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Application Information

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IPC IPC(8): H05K7/14
Inventor 王飞钟红军李春江郭晓海刘婧
Owner BEIJING INST OF CONTROL ENG
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