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A secondary discharge protection method for low-orbit spacecraft high-voltage solar cell arrays

A solar cell array, secondary discharge technology, applied in static electricity, circuits, electrical components, etc., can solve problems such as cracking and falling off, unable to use LEO orbiting spacecraft, etc., to achieve high transmittance, good space environment adaptability, good malleable effect

Active Publication Date: 2017-03-08
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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Problems solved by technology

However, since the RTV glue is prone to cracking and falling off in the environment of rapid thermal alternation in low orbit, the above method cannot be used on LEO orbiting spacecraft

Method used

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  • A secondary discharge protection method for low-orbit spacecraft high-voltage solar cell arrays
  • A secondary discharge protection method for low-orbit spacecraft high-voltage solar cell arrays
  • A secondary discharge protection method for low-orbit spacecraft high-voltage solar cell arrays

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Embodiment Construction

[0030] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0031] Such as figure 1 As shown, the present invention provides a low-orbit spacecraft high-voltage solar cell array secondary discharge protection method, comprising the following steps:

[0032] Step 1, making a transparent conductive composite film, specifically:

[0033] A transparent polyimide film 1 is used as a base material, a siloxane film 2 is prepared on one side of the base material by a plasma polymerization method, and an indium tin oxide film is prepared on the siloxane film 2 by a magnetron sputtering method 3.

[0034] Step 2, covering and fixing the transparent conductive composite film on the surface of the solar cell array 4 , the conductive layer of the transparent conductive composite film faces the space direction and is connected with the spacecraft structure. The transparent conductive composite film isolates the contact betwee...

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Abstract

The invention provides a secondary discharge protective method for a high-voltage solar cell array of a low-orbit spacecraft. A phenomenon that the surface of the solar cell array is nonuniformly charged can be avoided to protect the secondary discharge of the solar cell array; meanwhile, a transparent conductive composite film has high transmittance, does not influence basic functions of the solar cell array, has high ductility, cold and hot impact resistance and radiation resistance has good spatial environment adaptability and can meet the requirement on designed life of a satellite; the transparent conductive composite film remains a certain allowance on the solar cell array, and can adapt to violent cold and hot alternating environment of the low orbit but does not crack; an air outlet channel is reserved on the mounted edge of the transparent conductive composite film, and residual air of the film and the solar cell array is damaged by vacuum environment.

Description

technical field [0001] The invention relates to a secondary discharge protection method of a high-voltage solar battery array of a low-orbit spacecraft, which can be used for the secondary discharge protection of a high-voltage solar battery array of a low-orbit spacecraft, and belongs to the field of space environmental effect protection of spacecraft. Background technique [0002] With the development of my country's aerospace technology, the use of high-voltage power supply and distribution systems has become an inevitable trend for high-performance satellites. High-voltage power supply and distribution components are single-point failure sources that cause the entire satellite to fail, and their reliability is crucial to the safe operation of satellites in orbit. Among them, the high-voltage solar cell array is an important part of the high-voltage power supply and distribution components. Under the action of the space plasma environment, the high-voltage solar battery ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05F1/02H01L31/18
CPCY02P70/50
Inventor 史亮李得天汤道坦柳青赵呈选陈益峰秦晓刚杨生胜高原
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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