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Lighting device and lighting method for at least one plant

A technology for lighting equipment and plants, applied in botany equipment and methods, lighting and heating equipment, lighting applications, etc., can solve the problems of high energy consumption and total operating costs that hinder widespread reference

Pending Publication Date: 2022-03-18
FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although there is a decisive advantage in that the maximum yield per acre under indoor conditions can be controllably reproduced, high energy consumption and overall operating costs in particular currently hinder the widespread introduction of this technology.

Method used

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  • Lighting device and lighting method for at least one plant

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Experimental program
Comparison scheme
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Embodiment Construction

[0023] The lighting device 1 shown in this case is used to illuminate a plurality of plants 2 and comprises an artificial light unit 3 for providing artificial light 3' and a sunlight unit 4 for providing sunlight 4', both for illuminating plant2. Furthermore, the lighting device 1 also has a mixing unit 5 for generating mixed light 5 from artificial light 3' and sunlight 4' and a distribution unit 6 for distributing the mixed light 5' and utilizing the distributed mixed light 5' light plant 2. In this case, the distribution unit 6 also has a plurality of lighting units 7 through which the mixed light is evenly distributed. In the present case, the lighting units 7 are arranged on top of each other, ie above each other in the y-direction and respectively (in the y-direction) above the plants 2 to be illuminated.

[0024]The lighting device 1 also has a setting unit 8 for setting the properties of the mixed light 5'. This is done indirectly in the present case, since the set...

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PUM

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Abstract

The invention relates to a lighting device (1) for at least one plant (2), comprising: an artificial light unit (3) for providing artificial light (3 ') to illuminate the plant (2); a sunlight unit (4) for providing sunlight (4 ') to illuminate the plant (2); a mixing unit (5) for generating mixed light (5 ') comprising artificial light (3') and sunlight (4 '); a distribution unit (6) for distributing the mixed light (5 ') and illuminating the plant (2) with the distributed mixed light (5'); and an adjustment unit (8) for adjusting the characteristics of the mixed light (5 '). The invention provides a lighting device for at least one plant, i.e. One or more plants, where the device can be used in indoor agriculture in an energy-saving manner.

Description

technical field [0001] The invention relates to a lighting device for at least one plant, having an artificial light unit for providing artificial light for illuminating the plant and a sunlight unit for providing sunlight for illuminating the plant. The invention also relates to a corresponding method. Background technique [0002] By 2050, 66% of the world's population will live in cities. That is more than 6 billion people, and there is an increasing trend. At the same time, 80% of the world's arable land is used for agricultural purposes. Sustainable security of food supply in cities with limited resources is increasingly becoming a challenge, especially in densely populated cities with limited contact with surrounding agricultural areas, which will face conflicting objectives for developing regions in the future. Additionally, intensive farming practices, heavy use of chemicals, and increasingly unfavorable climatic conditions are huge concerns for future food produc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G7/04F21S19/00
CPCA01G7/045F21S19/005A01G9/249Y02P60/14F21V14/00F21Y2115/10
Inventor T·兰格D·塞弗A·雷曼S·沃格尔
Owner FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV