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System in space for reinforcing photosynthesis and method

A photosynthesis, sunlight technology, applied in the field of sunlight retransmission satellites, can solve the problem of reflecting satellites not being able to illuminate the earth

Inactive Publication Date: 2013-08-14
ASTRIUM GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Such reflective satellites cannot illuminate large surface areas of the Earth

Method used

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  • System in space for reinforcing photosynthesis and method
  • System in space for reinforcing photosynthesis and method

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Embodiment Construction

[0040] According to the present invention and in figure 1 The system 1 shown schematically in is an aerial system intended for daylighting an area Z including a celestial body T including the Earth.

[0041] To this end, said system 1 comprises at least one daylight retransmitting satellite 2 arranged in orbit around such a celestial body T.

[0042] According to the invention, such a satellite 2 is in particular as shown in figure 2 above include:

[0043] - Optical assembly 3 oriented according to the (collection) axis 4 of the satellite 2 always pointing towards the sun S when traveling over a given region RE of the celestial body T, so as to be able to directly collect sunlight in the form of solar radiation R1. The position of said optical assembly 3 of high size and inertia relative to the structure (or body) 5 of the satellite 2 is fixed;

[0044] - An optical assembly 6 having a much lower size and inertia than said optical assembly 3 . Such an optical assembly 6 ...

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Abstract

The invention relates to a space system for enhancing photosynthesis on Earth, comprising a satellite (2) having at least one first optical component (3) intended for collecting sunlight, the first optical The position of the assembly is fixed; the second optical assembly (6), smaller in size and inertia than the first optical assembly (3), is intended for retransmission at a higher retransmission flux density than the collected flux density collected light, and this second optical assembly has an adjustable orientation; a remotely controllable device capable of adjusting the orientation of the second optical assembly (6); and a light emitting device (10) that transmits the collected light from the first An optical component (3) is transmitted to a second optical component (6). The second optical component retransmits light only in the specified frequency bands of about 450 nm and 660 nm.

Description

technical field [0001] The present invention relates to daylight retransmission satellites, and applications using one or more satellites of this type. [0002] The invention more particularly aims, although not exclusively, at illuminating geographical surface areas of the earth having large areas, for example tens of square kilometers, by means of sunlight, especially at night. Background technique [0003] It is known that pure heliostats mounted on satellites cannot illuminate such surface areas of the Earth unless the use has a very large area, whereby the mass and inertia are assumed to be very large and with all the (implementation, cost, positioning) derived therefrom etc.) reflectors of the problem. As an example, if a surface of about one hundred square kilometers on the earth is to be illuminated, reflectors with a surface area of ​​the order of several thousand square meters should undoubtedly be provided, if a total power of several megawatts is to be obtained....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B64G1/42B64G1/44
CPCA01G7/04A01G15/00B64G1/10B64G1/66F21S11/00G02B17/0652B64G1/443B64G99/00
Inventor R·莱内P·帕罗
Owner ASTRIUM GMBH