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Design method of umbilical cable for minisatellite electrical logging

An umbilical cable and design method technology, applied in the parts, circuits, electrical components and other directions of electrical measuring instruments, can solve problems such as low reliability and potential safety hazards, and achieve improved safety and reliability, improved reliability, The effect of improving utilization efficiency

Active Publication Date: 2020-04-14
AEROSPACE DONGFANGHONG SATELLITE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] (2) The reliability is not high, and there are certain safety hazards
In the existing umbilical cables, the positive and negative lines of the power supply are located at different

Method used

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  • Design method of umbilical cable for minisatellite electrical logging
  • Design method of umbilical cable for minisatellite electrical logging
  • Design method of umbilical cable for minisatellite electrical logging

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] Assuming a satellite, 4 solar array simulators are required to supply power to the satellite during electrical testing, and only use DC power supply (power supply current less than 5A) when the power supply interface is checked (very little usage time). 6 command signals and 13 signal measurements are required for electrical testing. According to the method of the present invention, the umbilical cable design scheme is as follows:

[0090] 1.1 Cable point designation

[0091] One end of the cable is a YF5-127T electrical connector, a total of 129 cable points; there are three electrical connectors at the branch end, which are two Y2-50 electrical connectors and one Y2-36 electrical connector, a total of 136 cables point.

[0092] 1.1.1 Assignment of point numbers

[0093] Divide the cable points into two parts: power cable points and signal cable points, and the cable end numbers of the shedding electrical connectors are: power cable points are 1~100 points, signal c...

Embodiment 2

[0141] Assuming a satellite, 10 solar array simulators are required to supply power to the satellite during electrical testing, and only use DC power supply (power supply current less than 5A) when the power supply interface is checked (the use time is very small). 11 command signals and 15 signal measurements are required for electrical testing. According to the method of the present invention, the umbilical cable design scheme is as follows:

[0142] 2.1 Cable point designation

[0143] One end of the cable is a YF5-127T electrical connector, a total of 129 cable points; there are three electrical connectors at the branch end, which are two Y2-50 electrical connectors and one Y2-36 electrical connector, a total of 136 cables point.

[0144] 2.1.1 Assignment of point numbers

[0145] Divide the cable points into two parts: power cable points and signal cable points, and the cable end numbers of the shedding electrical connectors are: power cable points are 1~100 points, si...

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Abstract

The invention discloses a design method of an umbilical cable for minisatellite electrical logging. The reliability and the universality of the umbilical cable are comprehensively considered; short-circuit processing of a cable point is designed at the satellite end of a falling-off electric connector. In the electric connectors with the same model of the branch ends, the equipment ends corresponding to the same cable point number are designed to be the same, so that the universality of the umbilical cable and the utilization rate of the cable core wire are greatly improved, the possibility ofcable wiring errors is fundamentally eliminated, and the reliability of small satellite electric measurement is further improved.

Description

technical field [0001] The invention belongs to the technical field of instrument testing, and relates to a design method for an umbilical cable used in electrical testing of small satellites. Background technique [0002] Satellite electrical measurement is an extremely important part of the satellite development and production stage, and it is related to the success of satellite development to a certain extent. In the stage of satellite electric measurement, the umbilical cable plays an important role as the energy supply channel and the backup transmission channel of key signals. [0003] The umbilical cable is the cable that connects the satellite and the electrical measuring equipment. One end is connected to the satellite with a dropout electrical connector, usually called a dropout electrical connector cable end. The other end is connected to electrical measuring equipment using an electrical connector, usually called a branch end. [0004] Most of the existing umbi...

Claims

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Application Information

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IPC IPC(8): G01R1/04G01R1/24H01R43/00H01R43/26
CPCG01R1/0416G01R1/24H01R43/00H01R43/26H01R2201/20
Inventor 刘鸣鹤
Owner AEROSPACE DONGFANGHONG SATELLITE
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