WO2012111497A1 - Dispositif d'éclairage et dispositif pour cultiver des plantes - Google Patents

Dispositif d'éclairage et dispositif pour cultiver des plantes Download PDF

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Publication number
WO2012111497A1
WO2012111497A1 PCT/JP2012/052816 JP2012052816W WO2012111497A1 WO 2012111497 A1 WO2012111497 A1 WO 2012111497A1 JP 2012052816 W JP2012052816 W JP 2012052816W WO 2012111497 A1 WO2012111497 A1 WO 2012111497A1
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WIPO (PCT)
Prior art keywords
support
plant
light
light source
lighting device
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Ceased
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PCT/JP2012/052816
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English (en)
Japanese (ja)
Inventor
智樹 久保
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Sharp Corp
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Sharp Corp
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Publication of WO2012111497A1 publication Critical patent/WO2012111497A1/fr
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/249—Lighting means

Definitions

  • the present invention relates to a lighting device for plant cultivation and a plant cultivation device equipped with the same.
  • Patent Document 1 listed below discloses a plant-growing lighting device that resolves chronic shortage of sunlight in the side or lower position of a plant.
  • the plant-growing lighting device 100 includes an upper lighting fixture 101 installed at a position above the plant P in order to irradiate light from above the plant P, and a side surface of the plant P.
  • a side lighting device 102 installed at a side position of the plant P for irradiating light toward the position, and a lower position of the plant P for irradiating light toward the lower position of the plant P
  • the lower lighting fixture 103 is provided.
  • the light distribution can be widened.
  • the amount of light can be increased.
  • Patent Document 2 in order to obtain effects such as plant growth promotion and disease control, ultraviolet rays having a preferable intensity are applied from the tip of the plant to the root in accordance with the growth stage of the plant.
  • a lighting fixture intended to irradiate is disclosed.
  • the lighting apparatus 200 includes a plurality of lamps 201, and each lamp 201 houses a linear light emitting unit 202 that irradiates ultraviolet rays.
  • the plurality of lamps 201 are connected to each other by a hinge part 203 so as to be freely rotatable.
  • the plurality of lamps 201 irradiate light in a direction in which the respective light emitting parts 202 are arranged in a substantially linear shape (FIG. 18A and FIG. 19A) and directions in which the respective lamps 201 are substantially opposite to each other. It can be switched to the folded state ((b) in FIG. 18 and (c) in FIG. 19).
  • the lighting device 200 rotates the lamps 201 to adjust the irradiation direction of ultraviolet rays, so that the plant P extends from the tip to the root according to the growth stage of the plant P. It can be irradiated with ultraviolet rays having a preferable intensity.
  • the reflecting plate 205 housed in the housing 204 is easily slid out by hand and can be fixed at an arbitrary position.
  • JP 2005-328702 A released on December 2, 2005
  • JP 2010-267591 A published on November 25, 2010
  • JP-A-8-37930 published February 13, 1996)
  • JP 2001-95376 A published April 10, 2001
  • the irradiation direction or the amount of irradiation light can be freely changed in accordance with the growth of the plant without causing the leaf to burn in the state in which the light source is disposed close to the plant. It is difficult.
  • the mounting angle of the light source 102 a and the like is adjusted according to the growth of the plant P, but the light source 102 a and the like are arranged close to the plant P. In some cases, the above-mentioned problem in which leaf burning occurs in the plant P is not considered.
  • the amount of irradiation light can be changed by changing the light distribution direction or changing the drawing amount of the reflection plate 205 within a range in which the plurality of lamps 201 rotate in an arc shape.
  • the main light irradiation direction of the lamp 201 is limited to a direction perpendicular to the mounting surface of the housing 204 where the light emitting unit 202 is provided, and the perpendicular direction is along an arc in which the lamp 201 rotates. It just turns.
  • the configuration of the lighting fixture 200 is complicated.
  • the present invention has been made in view of the above-mentioned problems, and its purpose is to arrange a light source close to a plant, to prevent leaf burning, and to provide an irradiation direction that matches the growth of the plant.
  • An object of the present invention is to provide a lighting device having a high degree of freedom of change.
  • the lighting device of the present invention (1) An illumination device for irradiating light to a plant, (2) a light source; (3) Reflecting the light emitted from the light source toward the plant, thereby generating a main irradiation direction for the plant; and (4) a support unit that supports the light source and the reflection unit, (5)
  • the attachment mechanism between the reflection part and the support part is configured to change the main irradiation direction by moving the reflection part with respect to the support part.
  • the light emitted from the light source is not irradiated directly on the plant, but indirectly through the reflecting portion. Therefore, the radiant heat generated by the light source is absorbed to some extent by the reflecting portion. Even if infrared light is included in the light emitted from the light source, the infrared light is not directly irradiated to the plant but is irradiated to the reflecting portion, and thus is absorbed to some extent by the reflecting portion. As a result, it is possible to suppress the generation of leaf burn due to the radiant heat generated by the light source or the infrared light included in the light. For this reason, the illuminating device of this invention tends to take the state which has arrange
  • the main irradiation direction of the reflecting portion in other words, the direction of the reflected light can be changed. Therefore, it is possible to easily adjust the balance between how heat is transmitted to the plant and the amount of irradiation light necessary for the plant. Furthermore, it is easy to adjust the amount of irradiation light following changes in plant growth.
  • the lighting device of the present invention has an effect that, in a state where the light source is arranged close to the plant, leaf burning does not occur and the degree of freedom in changing the irradiation direction in accordance with the growth of the plant is high. be able to.
  • the reflection unit that generates the main irradiation direction is configured to be movable with respect to the support unit by reflecting the light emitted from the light source toward the plant.
  • FIG. 2 is an explanatory plan view showing a state in which the reflection unit rotates with respect to a support unit provided in the illumination device of FIG. 1.
  • FIGS. 1 to 9 An embodiment of the present invention will be described with reference to FIGS. 1 to 9 as follows. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention only to those unless otherwise specified. This is just an example.
  • FIG. 1 is an explanatory cross-sectional view showing a configuration example of a lighting device according to the present invention.
  • the illuminating device 1 that irradiates the plant P with light L reflects the light source 2 and the light L emitted from the light source 2 toward the plant P, thereby generating a main irradiation direction with respect to the plant P. 3 and a support portion 4 that supports the light source 2 and the reflection portion 3.
  • the attachment mechanism 5 between the reflection unit 3 and the support unit 4 is configured to change the main irradiation direction by moving the reflection unit 3 with respect to the support unit 4.
  • the light source 2 is arranged so that the reflection surface of the reflection unit 3 is surrounded on three sides, and the direction in which the light source 2 emits light is the reflection surface of the reflection unit 3 (preferably the center of the reflection surface). Suitable for.
  • the light L emitted from the light source 2 is not irradiated directly on the plant P, but is indirectly irradiated via the reflection unit 3. Therefore, the radiant heat generated by the heat generated by the light source 2 is absorbed to some extent by the reflecting portion 3 surrounding the light source 2, so that the generation of leaf burn due to the radiant heat can be suppressed. Furthermore, even if the light L emitted from the light source 2 includes infrared light, the infrared light is not directly irradiated to the plant P, but is first irradiated to the reflecting portion 3 and absorbed to some extent by the reflecting portion 3. Is done.
  • the illuminating device 1 tends to take the state which has arrange
  • the main irradiation direction of the reflecting portion 3 in other words, the direction of the reflected light can be changed. Therefore, the balance between how heat is transmitted to the plant P and the amount of irradiation light necessary for the plant P can be easily adjusted. Furthermore, it is also easy to adjust the amount of irradiation light following changes in the growth of the plant P.
  • the lighting device 1 has an effect that, in the state where the light source 2 is disposed close to the plant P, leaf burning does not occur, and the degree of freedom in changing the irradiation direction in accordance with the growth of the plant P is high. Obtainable.
  • LED light emitting diode
  • incandescent lamp fluorescent lamp
  • metal halide lamp a high-pressure sodium lamp
  • LEDs can be used as a plant illumination light source in that only light having a wavelength necessary for plants can be freely selected, light that does not contain infrared light can be emitted, long life, and low power consumption. Is highly useful.
  • the light source 2 corresponds to an LED substrate on which an LED package and a drive circuit are mounted.
  • the LED package an ordinary general-purpose product can be adopted, but it is desirable that the light emission amount is as large as 1 W or more.
  • an LED illumination device in which 24 LED chips are built in one package can be used as the light source 2.
  • individual LED chips are mounted on a ceramic substrate. Since the LED chip itself generates heat and the temperature rise shortens the life of the LED chip, it is required to increase the heat dissipation of the support portion 4 on which the LED package is directly mounted as a heat countermeasure.
  • the reflection unit 3 is configured by an optical member that functions as an optical path changing unit that changes the optical path of the light L emitted from the light source 2 and directs it toward the plant P.
  • the reflective portion 3 may be formed by molding a white polycarbonate having a high reflectance (for example, manufactured by Idemitsu Kosan Co., Ltd.) or a metal having high heat dissipation properties, or by attaching a reflective sheet to a reflective surface formed of an arbitrary material. Alternatively, it may be formed by evaporating aluminum or silver.
  • the reflecting part 3 When the reflecting part 3 is formed of a material with high heat dissipation, the reflecting part 3 absorbs radiant heat from the light source 2, so that the influence of heat on the plant P can be further reduced. Even when the reflecting portion 3 is formed of a material having relatively poor heat dissipation such as polycarbonate, the influence of heat on the plant P is reduced by the reflecting portion 3 absorbing radiant heat to some extent.
  • An example of the shape of the reflecting portion 3 is a 1 ⁇ 4 sphere with an open end surface 3a as shown in FIG.
  • the shape is not limited to this, and the reflecting surface may be an elliptical part or a parabolic part, for example, as shown in FIG. That is, since the reflection part 3 can be exchanged with respect to the attachment mechanism 5, the user may select a shape that enables necessary light distribution according to the appearance of the plant or the growth stage.
  • the reflection unit 3 is illustrated as having a bottom surface 3 b, but in order to promote heat dissipation described below, the light source 2 can be directly fixed to the upper surface of the support unit 4. It is preferable that an opening is formed in the bottom surface 3b.
  • the reflection unit 3 may be configured to transmit part of the light L emitted from the light source 2.
  • the constituent material of the reflective portion 3 may be selected, or physical processing such as forming a plurality of openings of arbitrary shapes on the reflective wall of the reflective portion 3 is performed. May be.
  • the reflecting part 3 may be made diffusive so that the light transmitted through the reflecting part 3 is diffused.
  • a constituent material of the reflective portion 3 may be selected, or at least the opening may be covered with a diffusion sheet.
  • the reflecting portion 3 when the reflecting portion 3 is given diffusivity in addition to transparency, the irradiation range by the transmitted light La can be expanded.
  • the support part 4 not only supports the light source 2 and the reflection part 3 but also serves as a heat dissipation part that releases heat generated by the light source 2. Therefore, the main body of the support portion 4 is preferably formed of a material having high heat dissipation, in other words, a heat conductive good conductor (for example, a metal such as copper, aluminum, or iron). Further, a structure in which the surface area is increased to increase heat dissipation, such as providing unevenness on the side surface and the bottom surface of the support portion 4, may be employed.
  • the attachment mechanism 5 shown in FIG. 1 has a configuration common to the reflection part 3 and another reflection part 13 having a different reflection angle of the light L with respect to the plant P. Therefore, as already described, the reflecting portion 3 and the other reflecting portion 13 can be exchanged with each other.
  • the reflection part 3 is replaceable, and not only the irradiation direction is changed by rotation with respect to the support part 4, but also the reflection of the light in the vertical direction when the reflection part 3 is viewed from the side surface by exchanging the reflection part 3.
  • the spread can be arbitrarily selected. Thereby, the said main irradiation direction can be changed more easily according to the positional relationship of the plant P and the light source 2, or according to the growth of the plant P.
  • FIG. 3A and 3B are diagrams showing the convex portion 5a of the reflecting portion 3 constituting the attachment mechanism 5, wherein FIG. 3A shows a side view and FIG. 3B shows a front view.
  • FIG. 4 is a plan view showing an example of the guide hole 5 b of the support portion 4 constituting the attachment mechanism 5.
  • FIG. 5 is an explanatory plan view showing how the reflecting portion 3 rotates with respect to the support portion 4.
  • the attachment mechanism 5 is that the reflecting portion 3 is placed along the upper surface of the support portion 4 so that the main irradiation direction (D1 and D2) can be directed in various directions (see FIG. 1 is a slide mechanism that can be rotated (along a double arrow A).
  • the slide mechanism includes a convex portion 5 a provided on the bottom surface of the reflecting portion 3 and a guide hole 5 b formed in the support portion 4. The convex portion 5a slides along the groove shape of the guide hole 5b while being fitted in the guide hole 5b.
  • the convex part 5a includes a leg part 5a-1 projecting downward from the bottom surface of the reflecting part 3 and a flange part formed at the end of the leg part 5a-1 and having a diameter larger than that of the leg part 5a-1. 5a-2.
  • the guide hole 5b is formed, for example, by hollowing out the upper wall of the hollow support portion 4 into a ring shape leaving a part of the ring.
  • the number of the convex portions 5a and the guide holes 5b may be one by one, or may be two by two as shown in FIGS.
  • FIG. 2 is an explanatory cross-sectional view showing another configuration example of the illumination device according to the present invention.
  • the basic configuration of the lighting device 20 is the same as that of the lighting device 1. That is, the illumination device 20 reflects the light source 22 and the light L emitted from the light source 22 toward the plant P, thereby generating a main irradiation direction for the plant P, and the light source 22 and the reflecting unit. And a support portion 24 that supports 23.
  • the attachment mechanism 25 between the reflection part 23 and the support part 24 is configured to change the main irradiation direction by moving the reflection part 23 with respect to the support part 24.
  • the reflecting portion 23 has a hemispherical shape with an open end surface, and is supported by the supporting portion 24 by an attachment mechanism 25 that has a higher degree of freedom in changing the main irradiation direction than the reflecting portion 3. ing.
  • the attachment mechanism 25 includes a spherical guide hole 25a formed in the main body of the solid support portion 24, and a spherical convex portion 25b provided in the outer wall (for example, the center of the hemisphere) of the reflection portion 23 and press-fitted into the spherical guide hole 25a. It consists of and.
  • the spherical convex portion 25b rotates along the inner surface of the spherical guide hole 25a, so that the reflecting portion 23 has a horizontal direction indicated by a double arrow A in FIG. 2 and a vertical direction (vertical direction) indicated by a double arrow B in FIG. Rotate with a three-dimensional degree of freedom in an arbitrary combination of these two directions.
  • the main irradiation direction can be changed more easily according to the positional relationship between the plant P and the light source 22 or according to the growth of the plant P.
  • FIG. 6 is a side view which shows the 1st support mechanism 30 which fixes the support part 4.
  • FIG. 7 is a front view showing the positioning jig 31 constituting the first support mechanism 30.
  • FIG. 8 is a perspective view schematically showing a state in which the plurality of support portions 4 are fixed at different height positions using the first support mechanism 30.
  • FIG. 9 is a side view showing a state in which the plurality of support portions 4 are fixed at different height positions using the first support mechanism 30.
  • the first support mechanism 30 can change the height position of the positioning jig 31 that fixes one end of the support section 4 and the positioning jig 31. And a support column 32 for supporting the positioning jig 31.
  • the positioning jig 31 is formed with a hole 31a through which a fastener can be inserted so that one end of the support portion 4 can be fastened with a fastener such as a screw or a screw. Yes. Moreover, the form which inserts the protrusion which protrudes from the end surface of the support part 4 in the said hole 31a, without using a fastener.
  • the cross-sectional shape of the positioning jig 31 is I-shaped or L-shaped.
  • the support part 4 can be fixed by selecting the hole 31a at an appropriate horizontal position.
  • the some support part 4 can be fixed with respect to a different horizontal position at the same height position.
  • a plurality of holes are also formed in the support column 32 in the same manner as the positioning jig 31. Thereby, the positioning jig 31 can be fixed to the support column 32 at various height positions.
  • the horizontal position and height position of the support portion 4 can be freely changed by the first support mechanism 30 having such a configuration. Can be fixed for various horizontal positions and various height positions.
  • the horizontal distance and the height position between the light source 2 and the plant P can be variously changed, and an optimal light distribution can be selected.
  • the some support part 4 which made the horizontal position and height position differ using the 1st support mechanism 30 can be fixed, the light distribution by the optimal irradiation light quantity according to the growth of the plant P is further performed. Can be easily adjusted.
  • the first support mechanism 30 can be composed of at least one positioning jig 31 and one support column 32.
  • the second support mechanism 40 capable of realizing a more complicated light distribution variation can be configured by using at least two positioning jigs 31 and struts 32.
  • the second support mechanism 40 is preferably combined with an illumination device array in which a plurality of illumination devices are arranged.
  • FIG. 10 is a plan view showing a configuration example of the illumination device array 50.
  • FIG. 11 is an explanatory diagram for explaining the configuration of the second support mechanism 40.
  • the illumination device array 50 includes a support portion 51 having a support surface on which a plurality of sets including the light source 2 and the reflection portion 3 are arranged in an array. As described above, each reflecting portion 3 rotates along the support surface and can change the main irradiation direction.
  • the second support mechanism 40 is provided with at least two, preferably four, positioning jigs 31 and struts 32 facing each other. Thereby, the height position and the horizontal position can be freely changed individually for each of both ends of the support portion 51 facing the longitudinal direction of the lighting device array 50.
  • FIG. 13 is a side view showing another embodiment of how to attach the illumination device array 50 to the first support mechanism 30 or the second support mechanism 40. As shown in FIG.
  • a fastener such as a screw or a screw
  • the support portion 51 is fixed by inserting a protrusion 31b (shown by 31b) or by fitting a protrusion protruding from the end face of the support portion 51.
  • the illumination device array 50 can be attached to the positioning jig 31 while being inclined obliquely.
  • the normal direction of the support surface of the support portion 4 is indicated by a double arrow C. And can be rotated in a vertical plane. Further, the height position of the lighting device 1 can be freely changed as indicated by a double arrow E.
  • the combination of the attachment mechanism 5 and the first support mechanism 30 or the second support mechanism 40 can further increase the degree of freedom in changing the main irradiation direction.
  • FIG. 12 shows an arrangement example in which the height position and the horizontal position of both ends of the support portion 51 are made different so that the support surface of the support portion 51 is in a non-horizontal state.
  • the height position and horizontal distance of the both ends of the said support surface can be varied suitably, it depends on the optimal irradiation light quantity corresponding to the method of arranging a plurality of plants P or the difference in the types of the plurality of plants P, etc. Light distribution becomes possible.
  • Plant cultivation equipment In recent years, plant cultivation devices, also called plant factories, are used for temperature control, humidity control, carbon dioxide concentration control, and control of the amount and concentration of culture solution in addition to lighting control. Various mechanisms are provided.
  • FIG. 15 is a perspective view showing a plant cultivation apparatus in which the arrangement of lighting devices is mainly drawn among the various mechanisms.
  • the plant cultivation device 60 includes the illumination device array 50 disposed close to the plant P, and a ceiling light source 61 that emits light from above the plant P.
  • the lighting device array 50 can freely change the horizontal position and the height position with respect to the plant P by using a plurality of support columns 32 and a plurality of positioning jigs 31 (see FIG. 7). It is as follows.
  • the ceiling light source 61 is constituted by a fluorescent lamp or an LED lighting device.
  • the ceiling light source 61 may be a fixed illumination device in which the direction of light irradiation is fixed. Instead of the ceiling light source 61, the horizontal position and the height position can be freely changed as shown in FIGS. A possible lighting device array 50 of the present invention may be arranged.
  • the lighting device array 50 When the lighting device array 50 is disposed instead of the ceiling light source 61, the lighting device array 50 can be brought close to the plant P without causing leaf burn as described above. Accordingly, the plant P can be irradiated with light with little waste, so that an effect of reducing power consumption can be obtained.
  • the plant P can be irradiated with light from various directions.
  • the plant P can be irradiated with light from various directions.
  • the illumination device 1 or the illumination device array 50 supported by the first support unit 4a emits red light from above, and the illumination device 1 or the illumination device array 50 supported by the second support unit 4b What is necessary is just to irradiate blue light from the downward direction.
  • the attachment mechanism in the lighting device of the present invention is characterized by having a configuration common to the reflection part and another reflection part having a different reflection angle of light with respect to the plant.
  • the said reflection part can be replaced
  • the said main irradiation direction can be changed more easily according to the positional relationship of a plant and a light source, or according to the growth of a plant.
  • the attachment mechanism in the illumination device of the present invention is characterized in that the reflector is configured to be movable with a three-dimensional degree of freedom relative to the support.
  • the main irradiation direction can be changed more easily according to the positional relationship between the plant and the light source or according to the growth of the plant.
  • the support unit is fixed by changing at least one of the position of the support unit in the vertical direction corresponding to the height direction of the plant and the horizontal distance between the plant and the light source. 1 support mechanism is provided.
  • an optimal light distribution can be selected by appropriately changing at least one of the height position of the light source and the horizontal distance between the plant and the light source in accordance with the growth of the plant.
  • the support unit in the lighting device of the present invention has a support surface on which a plurality of sets including one set of the light source and the reflection unit are arranged in an array, and faces the direction in which the plurality of sets are arranged in an array. For each of both end portions of the support surface, a position in the vertical direction corresponding to the height direction of the plant and a horizontal distance between the plant and the light source are individually changed to fix the support portion. 2 support mechanisms are provided.
  • the height position and horizontal distance of both ends of the support surface can be appropriately changed, the light distribution by the optimum irradiation light quantity corresponding to the arrangement of a plurality of plants or the difference in the types of the plurality of plants, etc. Is possible.
  • the second support mechanism in the lighting device of the present invention is characterized in that the support portion can be attached so that the normal direction of the support surface can be changed.
  • the main irradiation direction can be changed by moving the reflecting portion with respect to the support portion, and the main irradiation direction can be changed by changing the normal direction of the support surface.
  • the degree of freedom for changing the main irradiation direction can be further increased, it becomes easier to adjust the light distribution to the plant.
  • the support portion is formed of a heat conductive good conductor.
  • the reflection unit in the illumination device of the present invention is configured to transmit a part of the light emitted from the light source.
  • the said reflection part may be provided with diffusibility in addition to the transparency.
  • the irradiation range by the transmitted light can be expanded.
  • the plant cultivation apparatus of the present invention includes any one of the above lighting devices.
  • the plant cultivation apparatus of this invention can irradiate light to a plant by the light distribution according to the growth of a plant, without raise
  • the plant cultivation apparatus provided with the illumination device of the present invention that can change the main irradiation direction in various ways, by appropriately selecting the wavelength band of the light source, for example, from above, only the leaves are irradiated with red light, From the lower side, it is possible to perform selective light irradiation by arbitrarily combining both the irradiation site and the wavelength band of the irradiation light, such as irradiating only the fruit with blue light.
  • the present invention can be applied to a plant factory or a plant cultivation apparatus for cultivating plants such as vegetables indoors, and particularly applicable to an artificial light source for plant cultivation.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Cultivation Of Plants (AREA)

Abstract

La présente invention concerne un dispositif d'éclairage (1) qui comprend une source de lumière (2), une section réfléchissante (3) qui réfléchit la lumière (L) émise par la source de lumière (2) vers une plante (P) afin de produire la direction d'éclairage principale pour la plante (P), et une section support (4) qui supporte la source de lumière (2) et la section réfléchissante (3). Un mécanisme de fixation (5) permettant de fixer la section réfléchissante (3) et la section support (4) est conçu pour modifier la direction d'éclairage principale par le déplacement de la section réfléchissante (3) par rapport à la section support (4).
PCT/JP2012/052816 2011-02-15 2012-02-08 Dispositif d'éclairage et dispositif pour cultiver des plantes Ceased WO2012111497A1 (fr)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020084755A1 (fr) * 2018-10-26 2020-04-30 三菱電機株式会社 Dispositif de culture
CN114766230A (zh) * 2022-05-24 2022-07-22 深圳市美斯特光电技术有限公司 一种光谱可调的植物照明灯具及其光谱调节方法
US20230380353A1 (en) * 2022-05-26 2023-11-30 The United States Of America, As Represented By The Secretary Of Agriculture System and method to improve the penetration of ultraviolet light into plant beds

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JPS61225709A (ja) * 1985-03-29 1986-10-07 東芝ライテック株式会社 光反射器
JPH0393912U (fr) * 1990-01-16 1991-09-25
JPH03126166U (fr) * 1990-04-04 1991-12-19
JP2003301832A (ja) * 2002-04-09 2003-10-24 Koshin Denki Kk ボールジョイント及びそれを用いた携帯用照明器具
JP2009017827A (ja) * 2007-07-12 2009-01-29 Panasonic Electric Works Co Ltd 植物照明装置
JP2010220558A (ja) * 2009-03-24 2010-10-07 Yamaguchi Univ 植物の栄養成分増強方法

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Publication number Priority date Publication date Assignee Title
JPS61225709A (ja) * 1985-03-29 1986-10-07 東芝ライテック株式会社 光反射器
JPH0393912U (fr) * 1990-01-16 1991-09-25
JPH03126166U (fr) * 1990-04-04 1991-12-19
JP2003301832A (ja) * 2002-04-09 2003-10-24 Koshin Denki Kk ボールジョイント及びそれを用いた携帯用照明器具
JP2009017827A (ja) * 2007-07-12 2009-01-29 Panasonic Electric Works Co Ltd 植物照明装置
JP2010220558A (ja) * 2009-03-24 2010-10-07 Yamaguchi Univ 植物の栄養成分増強方法

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CN114766230A (zh) * 2022-05-24 2022-07-22 深圳市美斯特光电技术有限公司 一种光谱可调的植物照明灯具及其光谱调节方法
US20230380353A1 (en) * 2022-05-26 2023-11-30 The United States Of America, As Represented By The Secretary Of Agriculture System and method to improve the penetration of ultraviolet light into plant beds
US12178170B2 (en) * 2022-05-26 2024-12-31 The United States Of America, As Represented By The Secretary Of Agriculture System and method to improve the penetration of ultraviolet light into plant beds
US20250072337A1 (en) * 2022-05-26 2025-03-06 The United States Of America, As Represented By The Secretary Of Agriculture System and method to improve the penetration of ultraviolet light into plant beds

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