JPS609422A - Plant culture apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] Kurabun I The present invention is a plant cultivation device, more specifically, a device for growing plants by effectively combining collected direct sunlight and artificial light equivalent to sky light. This invention relates to a plant cultivation device that can supply the most suitable light energy.

[Conclusion 1] In order to grow plants effectively, they require appropriate nutrients, light, water, carbon dioxide gas, temperature, humidity, etc., but it is difficult to satisfy all of these requirements. In addition, growing plants requires the ground that serves as the base for their growth, but in most areas, it is not easy to obtain cultivation space, such as land, that serves as the base for growing plants. Securing the sunny land necessary for growth is an extremely difficult task. In order to solve such problems, the applicant first focused sunlight using a lens or the like, introduced it into a light guide, and guided it through the light guide to a plant cultivation device installed at an arbitrary desired location. A proposal was made to supply light energy to plants.

FIG. 1 is an overall perspective view for explaining an example of a sunlight collecting device previously proposed by the present applicant. These components constitute a capsule 3 for a solar collector, and in use, a solar collector 10 is housed within the capsule as shown. This solar collector lO is
A large number of lenses 11 (for example, 7 lenses, 19 lenses) for concentrating sunlight, a sunlight direction sensor 12 for detecting the direction of the sun, and a support frame 13 that holds these in one body.
, a first rotation shaft 14 for rotating the support frame 13;
a first motor 15 that rotates the first rotating shaft 14; a support arm 16 that supports the lens 11 to the motor 15; and a second rotating shaft 17 disposed perpendicularly to the first rotating shaft 14, a second motor (not shown) for rotating the second rotating shaft 17, and the like. The direction sensor 12 detects the direction of the sun, and the first and second
The sunlight focused by the lens 1 is introduced into a light guide cable (not shown) whose light receiving end is arranged at the focal position of the lens, and is transmitted to the plant cultivation device through the light guide cable. , and is used for growing plants within the plant cultivation device. However, the light propagated through the light guide in two series contains only the direct sunlight component and does not include the sky light (indirect sunlight) component. Therefore, for plant growth, there is a sky light component necessary to maintain the basic strength of the plant, and the plant germinates, flowers, and produces fruit, and furthermore, the resulting fruit grows and matures. Direct sunlight component (strong light) is required for this purpose. In other words, plants use the light energy given to them to perform photosynthesis and transfer the nutrients produced by this photosynthesis to their trunks, fruits, etc., but this transfer is not possible when there is no light and the temperature is low. , is performed more effectively in the presence of oxygen. In this way, plants obtain nutrients through photosynthesis, but this photosynthesis consists of light reactions that carry out photochemical reactions and dark reactions that carry out chemical reactions. It is best to provide strong light during the dark reaction period and reduce the light during the dark reaction period.

The present invention has been made in view of two actual circumstances, and in particular, the present invention has been made in view of two actual circumstances, and in particular, it uses the direct sunlight component light collected by the above-mentioned solar light collecting device and the sky light component from an artificial light source. To provide a plant cultivation device which can be installed at any desired location by effectively combining and supplying the corresponding light to plants, and which can grow plants more effectively. It was done for the purpose of

Figure 2 is a front configuration diagram of the plant cultivation section according to the present invention;
The figure is a plan configuration diagram, and in the figure, 100 is an artificial light source device consisting of, for example, a fluorescent lamp, 200 is a light conductor cable through which sunlight collected by the sunlight collecting device shown in FIG. 1 is transmitted, and 300 is a A plant cultivation bed 300 has plants P planted therein. Therefore, the light from the Daio light source 100 and the light transmitted through the light guide cable 200 are supplied to the plant P.
Since the light that is transmitted through 0 and 0 contains only the direct sunlight component and no indirect sunlight component, the lack of indirect sunlight is compensated for by the artificial light aloo. On the other hand, photosynthesis is carried out using high-energy light, and the photoreaction is instantaneous, and the nutrients produced by this photoreaction are transferred to the trunk, fruit, etc. of the plant. As mentioned above, the photosynthesis is more effective when high-energy light is instantaneously applied, and therefore,
The present invention is configured to change the irradiation of direct light transmitted through the light guide cable 200. Specifically, as shown in the figure, the vesical end of the light guide cable is directed in the direction of arrow A. It is configured to move. In this way, the plant is supplied with light equivalent to direct sunlight and light equivalent to indirect sunlight, and moreover, the parts of the plant that receive strong light equivalent to direct sunlight are those of the front leaves. The intensity of the light changes from moment to moment as the light emitting end moves, such as when the light is in the shade, so the strong light is not fixedly irradiated to one spot on the plant, and it is difficult to keep the plants alive. can be done more effectively. In this case, it is more effective to use a fluorescent lamp as an artificial light source. In particular, as the fluorescent lamp, long-sleeved tube fluorescent lamps 100 are arranged in a row as shown in FIG. ” 2 light conductor cables per row
00 is moved, the light emitted from the light guide cable 200 can be supplied regardless of the light emitted from the fluorescent lamp 100.

In particular, since the light propagated through the light guide cable 200 is cool light, the light output end of the light guide cable can be brought close to plants, and therefore the intensity of the light propagated through the light guide cable can be adjusted. Alternatively, the light output end of the light guide cable 200 may be moved up and down depending on the growth level of the plant, such that the light output end of the light guide cable 200 is moved closer to the plant at sunrise or when sunlight is weak, for example. This allows plants to photosynthesize more effectively.

In addition, above, in order to generate light corresponding to indirect sunlight, the light from the incoming light source was supplied directly to the plants, but in this way, heat from the artificial light source is also supplied. If this is a problem, first introduce light from an artificial light source into the light guide, and then direct the light propagating through the light guide into the light guide. The end face of the guide body may be moved integrally with the end face of the light guide which emits the light from the solar collector as described above, so that the light is emitted from the end face of the solar light collecting device.

As is clear from the above explanation, according to the present invention, sunlight and artificial light are effectively used to provide light, even in the dark and in places where there is no sunlight, such as the basement of a building. Plants can be grown effectively.

[Brief explanation of the drawing]

FIG. 1 is an overall perspective view for explaining an example of a sunlight collecting device used in the present invention, and FIG. 2 is a front configuration diagram for explaining an example of a plant cultivation bed section used in the present invention. , FIG. 3 is a plan configuration diagram. 10...Solar collection device, 100...Artificial light source, 2
00...Light conductor cable, 300...Plant cultivation bed. Figure 1 2 Figure 2 -3r'21

Claims (5)

[Claims] (1) comprising a sunlight collecting device for concentrating sunlight and introducing it into the light guide, and a light source device disposed above the plant cultivation bed, the light source device including an artificial light source and the light guide. a sunlight light source whose light source is the light output end of the light guide, the artificial light source being fixedly disposed above the plant cultivation bed, and the light output end of the light guide being movably disposed. Characteristic plant cultivation equipment. (2) The plant cultivation apparatus according to claim (1), wherein the large light source is a fluorescent lamp. (3) The fluorescent lamps are long-sleeved fluorescent lamps, and the long-sleeved fluorescent lamps are arranged in parallel, and the light emitting end of the light guide is disposed between each fluorescent lamp so as to be movable in parallel with the fluorescent lamps. A plant cultivation device according to claim (2), characterized in that: (4) Claim (3) characterized in that the light output end of the light guide is arranged to be movable in the vertical direction.
The plant cultivation device described in section. (5) A solar light collection device for collecting sunlight and introducing it into the light guide; an artificial light collection device for collecting light from an artificial light source and introducing it into the light guide; and a plant cultivation bed. and a light source device disposed above, the light source device is characterized in that the light output end of the light guide is used as a light source, and the light output end is configured to be movable above the plant cultivation bed. Plant cultivation equipment.