WO2023045405A1 - Energy-saving agricultural lighting apparatus and method - Google Patents

Energy-saving agricultural lighting apparatus and method Download PDF

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Publication number
WO2023045405A1
WO2023045405A1 PCT/CN2022/097608 CN2022097608W WO2023045405A1 WO 2023045405 A1 WO2023045405 A1 WO 2023045405A1 CN 2022097608 W CN2022097608 W CN 2022097608W WO 2023045405 A1 WO2023045405 A1 WO 2023045405A1
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WIPO (PCT)
Prior art keywords
light
lighting
plants
unit
animals
Prior art date
Application number
PCT/CN2022/097608
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English (en)
French (fr)
Inventor
Qichang Yang
Sen WANG
Zonggeng LI
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Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences
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Publication date
Application filed by Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences filed Critical Institute of Urban Agriculture, Chinese Academy of Agricultural Sciences
Publication of WO2023045405A1 publication Critical patent/WO2023045405A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources
    • F21Y2113/10—Combination of light sources of different colours
    • F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14—Measures for saving energy, e.g. in green houses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Definitions

  • the present invention relates to biological lighting system technology, and more particularly to an energy-saving agricultural lighting apparatus and method.
  • China Patent Application Publication No. CN111174153A discloses a movable grow-light apparatus, comprising a grow-light unit and guide-rail unit.
  • the grow-light unit includes a movable support, grow light mounts installed on the movable support, and plural plant grow lights installed in the grow light mounts.
  • the guide-rail unit includes an immovable support, a guide rail connected to the immovable support.
  • the movable support is movably connected to the guide rail.
  • the movable support has side legs positioned at two sides of the guide rail, respectively. At the end of each side leg, a wheel is rotatably attached. The wheels abut against the guide rail. One of the wheels is connected to a driving device.
  • the movable plant grow light apparatus helps reduce the number of lamps required and therefore the manufacturing costs, while allowing flexible and convenient lighting adjustment.
  • the prior-art apparatus has the following technical shortcomings: the light source (such as LEDs) of the known apparatus uses different kinds of fluorescent powder mixed in a certain ratio to compose white light. To generate white light, the LEDs work with fluorescent converting devices of different wavelengths. Such a process is power-consuming yet the resulting light conversion efficiency is low, and it requires a large number of LED lights, making the lighting system as a whole even more energy-consuming, and the light usage of individual LEDs in the lighting system is limited.
  • the present invention provides an energy-saving agricultural lighting apparatus and method.
  • the agricultural lighting apparatus at least comprises a lighting portion, a moving portion and a controlling portion.
  • the lighting portion is configured to provide high-power lighting to animals and/or plants in cultivation areas.
  • the moving portion is used to connect the lighting portion, so that the lighting portion at least moves along with the moving portion.
  • the controlling portion is at least used to control movement of the moving portion.
  • the controlling portion acquires light-exposure needs of the animals and/or the plants
  • the controlling portion is configured to provide the lighting to the animals and/or the plants according to the light-exposure needs of the animals and/or the plants in a narrow-band manner, so as to satisfy the light-exposure needs of the animals and/or the plants while reducing power consumption of the lighting apparatus.
  • the controlling portion acquires the light-exposure needs of the animals and/or the plants through: collecting images and/or video clips of the animals and/or the plants in a designated area using an image-collecting portion; having the image-collecting portion send the images and/or the video clips to the controlling portion; and having the controlling portion analyze the images and/or the video clips of the animals and/or the plant collected by the image-collecting portion so as to recognize basic data information of the animals and/or the plants, and controlling the lighting portion to provide the animals and/or the plants with the lighting matching the light-exposure needs of the animals and/or the plants according to the basic data information.
  • the controlling portion automatically generate light-meal configuration information corresponding to the basic data information at a preset interval, and send the light-meal configuration information to the lighting portion.
  • the lighting portion at least comprises a lighting unit, which receives control signals output by the controlling portion, and provides the animals and/or the plants in the designated area with uniform lighting that has a continuous spectral range.
  • the lighting portion also at least comprises a light-distribution structure unit.
  • the single-color light unit can emit high-power single-color light.
  • the light-distribution structure unit can congregate the single-color light into a narrow band having a relatively small casting range and cast the focused light to the animals and/or the plants. As the same amount of energy photons is received by plants, light of short duration and high intensity is more growth-promoting to plants than light of long duration and low intensity.
  • the light-distribution structure unit can converge the single-color light into a narrow band having a relatively small casting range and cast the focused light to the animals and/or the plants.
  • a dense arrangement of light sources i.e., the lighting units
  • the lighting portion uses merely a few LED lamps that work with the light-distribution structure unit (such as a focusing lens, a Fresnel lens, or a similar device) to converge the light emitted by the LED lamp of the lighting units and cast the light to the animals and/or the plants by means of the light extraction structure.
  • the light generated by the small amount of LED lamps of the lighting portion can be converged into a significantly intensified narrow light band and casted to the animals and/or the plants.
  • This not only satisfies the light exposure as required by growth of the animals and/or the plants, but also significantly reduce power consumption of the lighting system /apparatus /equipment while improving power usage effectiveness of the lighting portion, thereby achieving the technical effect of significantly saving energy.
  • the moving portion can make the lighting portion move with it and use the light generated by the lighting portion to provide the animals and/or the plants with scanning-type lighting.
  • the lighting portion may be immovable or may rotate in the axial direction of the moving portion, so that the incident direction of the light from the lighting portion to the animals and/or the plants continuously changes, thereby reducing light pockets that may be generated when the light generated by the lighting portion is casted to the animals and/or the plants.
  • the lighting portion further comprises a light-feedback analysis unit, which at least comprises a light-emitting plate sub-unit and a light sensor installed at the light-receiving side of the light-emitting plate sub-unit.
  • a light-feedback analysis unit which at least comprises a light-emitting plate sub-unit and a light sensor installed at the light-receiving side of the light-emitting plate sub-unit.
  • the light-emitting plate sub-unit may be located at the light-receiving side of plant roots, so that light generated by the lighting portion and/or the natural light that passes through leaf gaps of the plants is fully used to excite the fluorescent powder at the light-receiving side of the light-emitting plate sub-unit to emit light required by the plants, and the light can irradiate the plants.
  • the side of the lighting unit facing the plant may be coated with fluorescent powder, so that the fluorescent powder on the lighting unit can be excited again by the light projected to the lighting unit by the light-emitting plate sub-unit and generate light incident to the plant, thereby enhancing the utilization rate of the light emitted by the single-color lights.
  • the light-feedback analysis unit further comprises a light analysis and statistics sub-unit, which at least can record the number of captured photons and/or a level of excited energy of the fluorescent powder at the light-receiving side of the light-emitting plate sub-unit through the light sensor, analyze the number of photons and/or the level of excited energy of the fluorescent powder to obtain information about growth momentum of the plants, and send the information about the number of photons and/or the level of excited energy of the fluorescent powder to the controlling module so that the controlling portion can adjust lighting provided to the plants.
  • a light analysis and statistics sub-unit which at least can record the number of captured photons and/or a level of excited energy of the fluorescent powder at the light-receiving side of the light-emitting plate sub-unit through the light sensor, analyze the number of photons and/or the level of excited energy of the fluorescent powder to obtain information about growth momentum of the plants, and send the information about the number of photons and/or the level of excited energy of the fluorescent powder to the controlling
  • the controlling portion module further comprises a database formula unit.
  • the database formula unit can acquire the level of excited energy of the fluorescent powder sent by the light analysis and statistics sub-unit, the database formula unit can form and/or update a light-meal database matching the light-exposure needs of the plants according to the excited energy of the fluorescent powder.
  • the light-receiving side of the light-emitting plate sub-unit includes a first area.
  • the concentration of the fluorescent powder in the first area may gradually decrease or increase as extending from the plant stem outward in the radial direction of the plant stem, so that the light analysis and statistics sub-unit can at least analyze variation of the number of captured photons or excited energy of the fluorescent powder at the light-receiving side of the light-emitting plate sub-unit to obtain the growth momentum of the plant leaf, thereby identifying factors affecting plant growth and optimizing the light-meal database accordingly.
  • the concentration of the fluorescent powder in the first area may gradually decrease as extending from the plant stem outward in the radial direction of the plant stem and can be divided into a first annulus, a second annulus, a third annulus, and so on. Preferably, these annuluses have the same width.
  • the light analysis and statistics sub-unit integrated to or provided at the light-receiving side of the light-emitting plate sub-unit can determine or identify the specific growth momentum of plant leaves (such as that leaves are sparse at the top of the plant, or leaves are sparse near roots of the plant, or leaves at one side or of the entire plant are more sparse than the normal level of the species of plants) according to the number of photons passing through gaps between plant leaves and received in respective annuluses.
  • the light analysis and statistics sub-unit can determine the missed light was incident to which part of the plant or escaped from which part of the plant to the first area according to variation trend of energy excited at the fluorescent powder in the annuluses as the light missed by the plant moves in the first area.
  • the light-receiving side of the light-emitting plate sub-unit further comprises a second area.
  • fluorescent powder is applied to the light-receiving side of the light-emitting plate sub-unit in a constant concentration, so that the light emitted by the lighting sub-unit and/or the natural light missed by the parts of the plant can directly excite the fluorescent powder in the second area to generate light that can be used to facilitate plant growth.
  • the side of the lighting portion facing the plant may be coated with fluorescent powder, so that the fluorescent powder on the lighting portion can be excited by the light projected by the light-emitting plate sub-unit to the lighting portion 1 again to generate light incident to the plant.
  • the present invention further discloses an energy-saving agricultural lighting apparatus, comprising display portion, wherein the display portion can receive control signals for the lighting portion from the controlling portion, and the controlling portion displays the light-meal information of the control over the lighting portion through the display portion.
  • the present invention further discloses an energy-saving agricultural lighting method, comprising: having a lighting portion provide high-power lighting to animals and/or plants in cultivation areas in a narrow-band manner; having a moving portion connect to the lighting portion, so that the lighting portion can provide the lighting to the animals and/or the plants by means of dynamic scanning; using a controlling portion to control movement of the moving portion; and having the controlling portion provides the lighting to the animals and/or the plants according to the light-exposure needs of the cultivation areas by means of dynamic scanning, so that the animals and/or the plants get light exposure as required by their growth.
  • FIG. 1 is a schematic drawing of a preferred mode of the present invention
  • FIG. 2 is a schematic illustration of a first area according to a preferred mode of the present invention.
  • FIG. 3 is a schematic illustration of a light-feedback analysis unit according to a preferred mode of the present invention.
  • FIG. 4 is a schematic drawing showing local structure of an agricultural lighting apparatus according to a preferred mode of the present invention.
  • FIG. 1 and FIG. 3 illustrate an energy-saving agricultural lighting apparatus.
  • the agricultural lighting apparatus at least comprises a lighting portion 1, a moving portion 2, and a controlling portion 3.
  • the lighting portion 1 is configured to provide high-power lighting to animals and/or plants in cultivation areas.
  • the moving portion 2 is connected to the lighting portion 1, so that the lighting portion 1 can at least move with the moving portion 2.
  • the controlling portion 3 can at least be used to control movement of the moving portion 2.
  • the controlling portion 3 can provide lighting in a narrow-band manner to the animals and/or the plants according to their light-exposure needs, so as to satisfy the light-exposure needs of the animals and/or the plants while reducing power consumption of the lighting apparatus.
  • the lighting portion 1 comprises at least one lighting sub-unit.
  • the lighting sub-unit may be an LED lamp.
  • the controlling portion 3 can use LED core light technology to combine light of different colors, such as red, amber, yellow, green, cyan, blue, and purple, in different proportions at different intensities, so as to satisfy the energy needs of plants for photosynthesis and achieve precise control over plant growth and development, while saving energy and costs for production, thereby creating the most suitable light formula specific to the plants.
  • the lighting portion 1 at least comprises a lighting sub-unit and a light-distribution structure unit.
  • the single-color light unit can emit high-power single-color light.
  • the light-distribution structure unit can congregate the single-color light into a narrow band having a relatively small casting range and cast the focused light to the animals and/or the plants.
  • the light-distribution structure unit can converge the single-color light into a narrow band having a relatively small casting range and cast the focused light to the animals and/or the plants.
  • a dense arrangement of light sources i.e., the lighting sub-units
  • the lighting sub-units that irradiates animals and/or plants with focused light can create lighting growth-promoting to animals and/or plants better than an evenly distributed arrangement.
  • the lighting sub-unit may be an LED lamp emit light downward vertically.
  • the LED lamp of the lighting sub-unit may be produced as an inter-plant supplement light that provides 360-degree lighting at a site close to surrounding plants.
  • the light-distribution structure unit may include but is not limited to a focusing lens, a Fresnel lens, and a light extraction structure.
  • the light-distribution structure unit can converge the single-color light generated by the lighting sub-unit into a relatively small light extraction structure and cast the focused high-power lighting in a narrow-band form to the area in which the animals and/or the plants are cultivated.
  • the light extraction structure may be a long and narrow structure or a slot.
  • the light extraction structure may be curved or circular.
  • light-distribution structure unit may use a focusing lens, a Fresnel lens, or a similar device to converge light emitted by the LED lamp of the lighting sub-unit into the light extraction structure, and cast the light to the animals and/or the plants by means of the light extraction structure.
  • light extraction structure may be bar-like or linear.
  • the light extraction structure may further be flexibly shaped according to actual light-exposure needs.
  • the lighting portion 1 uses merely a few LED lamps that work with the light-distribution structure unit (such as a focusing lens, a Fresnel lens, or a similar device) to converge the light emitted by the LED lamp of the lighting sub-unit and cast the light to the animals and/or the plants by means of the light extraction structure.
  • the light generated by the small amount of LED lamps of the lighting portion 1 can be converged into a significantly intensified narrow light band and casted to the animals and/or the plants.
  • the moving portion 2 can make the lighting portion 1 move with it and use the light generated by the lighting portion 1 to provide the animals and/or the plants with scanning-type lighting.
  • the lighting portion 1 may be immovable or may rotate in the axial direction of the moving portion 2, so that the incident direction of the light from the lighting portion 1 to the animals and/or the plants continuously changes, thereby reducing light pockets that may be generated when the light generated by the lighting portion 1 is casted to the animals and/or the plants.
  • the moving portion 2 may comprise a guide-rail unit and a lifting unit.
  • the guide-rail unit can in response to control signals from the controlling portion 3 move horizontally.
  • the guide-rail unit can rotate about a certain point inside or outside the guide-rail unit.
  • the lifting unit can make the guide-rail unit move up and down in the vertical direction.
  • the lighting sub-unit and the guide-rail unit may be rotatably connected through a rotating unit.
  • the rotating unit can acquire control signals from the controlling portion 3, and control the lighting sub-unit so as to keep or adjust the orientation of the light extraction structure of the lighting sub-unit in a static way or by means of rotating in the axial direction of the guide-rail unit.
  • the light-emitting direction of the lighting sub-unit can be adjusted according to the actual growth needs of the animals and/or the plants.
  • the rotating unit can cast the light emitted by the lighting sub-unit to the plants at different incident angles, thereby reducing light pockets that may happen when the light hit on the plants.
  • the lighting sub-unit when the guide-rail unit makes the lighting sub-unit move vertically to-and-fro or rotate in a plane (such as the horizontal) , the lighting sub-unit is driven by the rotating unit to rotate clockwise or anti-clockwise in the axial direction of the guide-rail unit, thereby making the light casted to the same area or the same plant by the lighting sub-unit irradiate the area or the plant at different incident angles.
  • the guide-rail unit makes the lighting sub-unit move vertically to-and-fro or rotate in a plane (such as the horizontal)
  • the direction pointed by the lighting sub-unit may form an included angle with the horizontal.
  • the lighting sub-unit can be driven by the rotating unit to transversely scan against the rotating unit, so that the light projected to the same area or the same plant by the lighting sub-unit may be posed at different incident angles to irradiate the same area or the same plant.
  • plural moving portions 2 may be used.
  • the guide-rail units of at least two moving portions 2 may move toward each other in the same plane or in different planes.
  • the guide-rail units of the at least two moving portions 2 can drive the corresponding lighting sub-units to irradiate a plant at its different sides, thereby providing a plant with lighting from different directions or from its lateral, and further reducing possible light pockets.
  • the lighting portions 1 may move with the moving portions 2 in a plane (by horizontally cyclic longitudinal motions or horizontally rotational motions) , the lighting sub-units corresponding to different moving portion 2 may move toward or away from each other.
  • the lighting portions 1 may have the lighting sub-units arranged in multiple directions according to the growth needs of the plants, so as to create the optimal light exposure environment for plants in terms of light exposure intensity, lighting direction, spectrum composition, etc.
  • At least two lighting portions 1 may be immovable connected to the guide rails (i.e., with the fixed light-casting direction) and rotate about a fixed site of the animals and/or the plants area, while the two guide rails connected to the lighting portions 1 rotate in opposite directions.
  • the lighting portion 1 is connected to the guide rail unit through the rotating unit, so that the lighting portion 1 can at least rotate about the axial direction of the guide rail and thereby adjust the angle at which the light is casted to the animals and/or the plants, thereby reducing light pocket with respect to the lighting portion 1.
  • single or few light sources provide lighting to the animals and/or the plants in a scanning manner.
  • the guide-rail unit may make a circular motion.
  • the guide-rail unit may move along a fret-shaped path.
  • the lighting portion 1 may be located on the ground or near the ground.
  • using single or few light sources to provide large-range lighting may be achieved by having the light source (s) provide lighting and scan from a movable or fixed (immovable) base point.
  • the lighting portion 1 when the lighting portion 1 moves and scans, it keeps lighting intensities at the proximal and distal ends of the guide-rail unit homogeneous or approximately homogeneous.
  • At least two lighting portions 1 may be driven by the moving portions 2 to perform scanning while facing each other.
  • each lighting portion 1 may further work with the moving portion 2 to perform pitching and/or transvers rolling motions.
  • the light projected by lighting portion 1 may be of a round or rectangular shape, instead of a ringlike shape.
  • one light source when equipped with an asymmetric lens may cover near, middle, and far areas with respect to the location of a plant.
  • Different light sources when equipped with asymmetric lenses may cover near, middle, and far areas with respect to the location of a plant.
  • the moving portion 2 of the present invention enables the narrow-band, high-intensity lighting portion 1 to provide plants with lighting in a dynamic scanning manner through its dynamic motions (such as shifting, rotating, and lifting motions) , thereby reducing light pockets in the area it irradiates the animals and/or the plants.
  • This not only significantly increases the light intensity received by each unit area of leaves and the total energy in general, but also prevents cilia on leaves from blocking the light and thereby allows photoreceptors at two sides of leaves to develop better in a microscopic sense.
  • the disclosed dynamic light source eliminates the need for a complicated light extraction structure, thereby reducing its manufacturing costs.
  • the lighting portion 1 further comprises a light-feedback analysis unit 102.
  • the light-feedback analysis unit 102 at least comprises a light-emitting plate sub-unit 102a and a light sensor 102b installed at the light-receiving side of the light-emitting plate sub-unit 102a.
  • the light-emitting plate sub-unit 102a may be located at the light-receiving side of plant roots, so that light generated by the lighting portion 1 and/or the natural light that passes through leaf gaps of the plants is fully used to excite the fluorescent powder at the light-receiving side of the light-emitting plate sub-unit 102a to emit light required by the plants, and the light can irradiate the plants.
  • the fluorescent powder applied to the light-receiving side of the light-emitting plate sub-unit 102a may be made of a photoluminescence material, such as a long-persistent fluorescent material.
  • the fluorescent powder made of the long-persistent fluorescent material may be configured according to the required light wave range, as describe below.
  • Fluorescent powder in the near-infrared wave range made of ZnGa 2 O 4 : Cr 3+ , Bi 3+ emits light having a wavelength of 704nm.
  • the fluorescent powder has good persistence, with the wave spectrum of its persistence wave range being 704nm, and the persistence time as long as 4 hours or more.
  • Fluorescent powder in the red wave range made of CaAlSiN: Eu 2+ emits light having a wavelength of 625nm.
  • Fluorescent powder in the green wave range made of Sr 2 SiO 4 : Eu 2+ emits light having a wavelength of 530nm, and a small amount of long-persistent green powder of SrAl 2 O 4 : Eu 2+ , Dy 3+ can be added, with its long-persistent wavelength being 518nm.
  • Fluorescent powder in the blue wave range made of BaMgAl 10 O 17 : Eu 2+ emits light having a wavelength of 450nm, and a small amount of long-persistent blue powder of CaAl 2 O 4 : Eu 2+ , Dy 3+ can be added, with its long-persistent wavelength being 440nm.
  • the fluorescent powder applied to the light-receiving side of the light-emitting plate sub-unit 102a may be made of a thermoluminescence material, such as thermoluminescence crystal.
  • the thermoluminescence crystal material may be ⁇ -Al 2 O 3 : C crystal or lead tungstate crystal or quartz crystal. Since luminescence of these thermoluminescence materials can only be achieved by heating in addition to light excitation, the disclosed apparatus may further be provided with a heat-exchange component for heating the thermoluminescence material. Therein, the heat-exchange component may use thermal energy obtained after light capture and/or be an external heating component 240.
  • At least a part of the surface of the light-emitting plate sub-unit 102a at the light-receiving side may be formed as a heat-collecting zone 212 that converts light energy into thermal energy, so as to make full use of the light energy from the lighting portion 1.
  • the heat-collecting zone 212 may be formed with plural rib-like grooves for increasing the heat-receiving area of the heat-collecting zone 212, thereby improving thermal-energy collecting efficiency of the heat-collecting zone 212.
  • the heat-collecting zone 212 can use the converted thermal energy directly and/or indirectly.
  • the converted thermal energy may be used to heat the thermoluminescence crystal and/or the thermal energy transferred to a storage tank 230 may be used to heat a heat-transfer medium (such as water) .
  • a heat-transfer medium such as water
  • the thermal energy collected at the heat-collecting zone 212 may be transferred by way of a heat pipe 220.
  • the storage tank 230 connected to the heat pipe 220 may transfer thermal energy by using a driving component 260 to drive making the heated heat-transfer medium to flow through a piping component 250.
  • the piping component 250 may be embedded in the culture medium in the cultivation area so that it surrounds plant roots.
  • heat-transfer components 270 separately arranged in the extending direction of the piping component 250 can transfer the thermal energy carried by the heat-transfer medium to the culture medium, so as to increase the overall temperature of the culture medium and in turn reduce the temperature difference between roots and terminals of a plant, thereby promoting plant growth.
  • the heat-transfer components 270 may be thermal sheets, so that the heat-transfer medium in the piping component 250 can disperse the thermal energy to the surrounding culture medium more effectively, thereby improving the utilization rate of thermal energy.
  • the piping components 250 for different cultivation areas may be mutually connected in a controllable manner, so as to recycle and reuse the heat-transfer medium.
  • an external heating component 240 may be used for auxiliary heating, so as to ensure that the thermoluminescence crystal can be heated to a temperature required for it to luminesce, and/or to ensure that the heat-transfer medium can be heated to a temperature required for it to transfer heat to the culture medium.
  • the storage tank 230 may be covered by a heat-insulation layer to prevent the thermal energy in the heat-transfer medium in the storage tank 230 from escaping, so as to improve the utilization rate of thermal energy.
  • the heat-collecting zone 212 may use a near-infrared electromagnetic wave converting material to absorb electromagnetic waves of wavelengths that generate thermal energy, such as near infrared and middle infrared, thereby providing cooling effects. Meanwhile, the thermal energy absorbed by the near-infrared electromagnetic wave converting material may be converted into light energy, so as to realize thermal-photo transformation indirectly and facilitate energy conservation. For example, the absorbed thermal energy may heat the thermoluminescence material that has been excited by light, so as to release light energy and provide secondary light supplement to plants.
  • the disclosed apparatus may further comprise a light-emitting plate sub-unit 102a installed above plant roots.
  • the light-emitting plate sub-unit 102a is configured to create an aphotic environment for plant roots while making full use of light generated by the lighting portion 1 and/or the natural light that passes through leaf gaps of the plants to excite the fluorescent powder emit light required by the plants, and reflecting the light to the back of plant leaves.
  • the technical scheme of the present invention makes full use of light that passes through leaf gaps of the plants to excite the fluorescent powder emit light required by the plants and then uses the light-emitting board coated with fluorescent powder and positioned above plant roots to reflect the light reaching down after passing through gaps between plant leaves and branches to the air.
  • the reflected air can thus be absorbed by light receptors at the side of a plant leaf facing the ground.
  • the light-emitting board coated with fluorescent powder and positioned above plant roots can further use the part of light missed by the plants (animals) , thereby enhancing the utilization rate of dynamic light sources.
  • the controlling portion 3 may configure the scanning intervals and sequences of different kinds of single-color light that match growth needs of plants according to actual cultivation needs.
  • the alternate cycle between red light and blue light may be one hour. Specifically, after the red-light unit has operated for one hour for providing red-light lighting, the red-light unit is deactivated and the blue-light unit is in turn activated to operate for another hour for providing blue-light lighting. As another example, red light and blue light may be activated and deactivated simultaneously at an interval matching light-exposure needs of the plants.
  • Time distribution of light refers to distribution of a light combination of light with the same light quality and the same light intensity along a photoperiodic timeline, and the purpose is to manifest the difference in light supply pattern.
  • red light and blue light of different frequencies i.e., alternate red-light and blue-light lighting
  • alternate lighting using red light and blue light of different frequencies is more advantageous to growth and quality of plants.
  • the red-light unit and the blue-light unit of the lighting portion 1 may alternately provide lighting at a certain frequency according to light-exposure needs of the plants.
  • the controlling portion 3 can control the lighting sub-units of the lighting portion 1 to provide single-color light of different frequencies at certain alternating intervals and alternate frequencies to the area where the plants are cultivated.
  • the controlling portion 3 may configure the single-color light unit to provide lighting of different light colors each lasting for certain time lengths at alternate frequencies matching growth needs of the plant to species of the plants.
  • the term “alternate frequency” refers to the number of times for single-color light of different frequencies to alternate in the same photoperiod (such as one day) .
  • the time length of red-light lighting in one episode of alternation and the time length of blue-light lighting in one episode of alternation may be the same or different.
  • the light-feedback analysis unit 102 further comprises a light analysis and statistics sub-unit 102c.
  • the light analysis and statistics sub-unit 102c at least can record the number of photons captured at the light-receiving side of the light-emitting plate sub-unit 102a and/or excited energy of the fluorescent powder through the light sensor 102b, and can analyze the number of photons and/or excited energy of the fluorescent powder to obtain information about growth momentum of the plants.
  • the light analysis and statistics sub-unit 102c can send the information about the number of photons and/or excited energy of the fluorescent powder to the controlling portion 3 so that the controlling portion 3 can adjust lighting provided to the plants.
  • the growth momentum information comprises but is not limited to the growing states of plant leaves.
  • the controlling portion module 3 further comprises a database formula unit 301.
  • the database formula unit 301 can acquire the excited energy of the fluorescent powder sent by the light analysis and statistics sub-unit 102c, the database formula unit 301 can form and/or update a light-meal database matching the light-exposure needs of the plants according to the excited energy of the fluorescent powder.
  • the light-receiving side of the light-emitting plate sub-unit 102a includes a first area I.
  • the concentration of the fluorescent powder in the first area I may gradually decrease or increase as extending from the plant stem outward in the radial direction of the plant stem, so that the light analysis and statistics sub-unit 102c can at least analyze variation of the number of captured photons or excited energy of the fluorescent powder at the light-receiving side of the light-emitting plate sub-unit 102a to obtain the growth momentum of the plant leaf, thereby identifying factors affecting plant growth and optimizing the light-meal database accordingly.
  • the concentration of the fluorescent powder in the first area I may gradually decrease as extending from the plant stem outward in the radial direction of the plant stem and can be divided into a first annulus, a second annulus, a third annulus, and so on.
  • the first annulus, the second annulus, and the third annulus may all take the plant as their center points.
  • these annuluses have the same width.
  • each of these annuluses may take the plant as its center point.
  • the light analysis and statistics sub-unit 102c integrated to or provided at the light-receiving side of the light-emitting plate sub-unit 102a can determine or identify the specific growth momentum of plant leaves (such as that leaves are sparse at the top of the plant, or leaves are sparse near roots of the plant, or leaves at one side or of the entire plant are more sparse than the normal level of the species of plants) according to the number of photons passing through gaps between plant leaves and received in respective annuluses.
  • leaves are sparse at the top of the plant or fewer than the normal level while leaves at other parts of the plant exhibit normal growth momentum.
  • the single-color light unit casts light at a certain angle of inclination (such as the case where the incident light and the horizontal include an angle of 45 degrees)
  • light missed at the top of the plant moves gradually from the right of FIG. 2 to the left.
  • the concentration of the fluorescent powder in the first area I is inconsistent, or said as gradually decreasing from the first annulus to the third annulus
  • the light analysis and statistics sub-unit 102c of the light-emitting plate sub-unit 102a integrated into or provided in the first area I can recognize whether the missed light is from the top or the base of the plant.
  • the light analysis and statistics sub-unit 102c can determine the missed light was incident to which part of the plant or escaped from which part of the plant to the first area I according to variation trend of energy excited at the fluorescent powder in the annuluses as the light missed by the plant moves in the first area I.
  • the light analysis and statistics sub-unit 102c recognizes or confirms according to the number of photons as obtained from records that the missed light moved from the third annulus (at, for example, the right in FIG. 2) to the second annulus (at, for example, the right in FIG. 2)
  • the light analysis and statistics sub-unit 102c or the controlling portion 3 determines that the missed light was from the top of the plant.
  • the light analysis and statistics sub-unit 102c may determine that the missed light was from the top of the plant because the energy excited by the missed light increased gradually from the third annulus (at, for example, the right in FIG. 2) to the second annulus (at, for example, the right in FIG. 2) .
  • the light analysis and statistics sub-unit 102c recognizes or confirms according to the number of photons as obtained from records that the missed light moved from the second annulus (at, for example, the right in FIG. 2) to first annulus (at, for example, the left in FIG. 2)
  • the light analysis and statistics sub-unit 102c or the controlling portion 3 determines that the missed light was from the base of the plant.
  • the light analysis and statistics sub-unit 102c may alternatively determines the missed light was from the top of the plant according to the phenomenon that the energy excited by the missed light gradually increased and then decreased as the missed light moved from the second annulus (at, for example, the right in FIG. 2) to the first annulus (at, for example, the right in FIG. 2) .
  • the overall growth momentum of leaves of the plant in FIG. 2 determined as lower than the normal level of the species of plants, if the light analysis and statistics sub-unit 102c recognizes or knows from records that the energy excited by the missed light showed a trend of increasing and then decreasing from the third annulus (at, for example, the left in FIG. 2) to the third annulus (at, for example, the right in FIG. 2) , and the energy excited by the missed light is in average higher than the energy excited by the missed light at the fluorescent powder in the first area I of the same species of plants (leave) having the normal growth level, it is determined that the overall growth momentum of leaves (of the plant shown in FIG. 2) is significantly lower than the normal level of the species of plants.
  • the light analysis and statistics sub-unit 102c can send the variation trend or determination result of energy excited by the missed light at the fluorescent powder in the annuluses of the plant as the missed light moved in the first area I to the controlling portion 3. More preferably, the controlling portion 3 can compare the received variation trend or determination result of energy excited at the fluorescent powder with historical growing states of the plant, so as to identify the problems leading to the inferior growth momentum of the (leaves of) the species of plants.
  • the controlling portion 3 can determine that the cause of inferior growth of the plant leaves is that the air temperature in the plant factory or the greenhouse at the location corresponding to the problematic of the plants has been improperly high or that other plants at the problematic side have blocked the incident light.
  • the controlling portion 3 determines that the growth momentum of leaves at the base of the plant is lower than normal level, the controlling portion 3 can identify the cause of the problem may be that poor ventilation at the base of the plant led to a concentration of carbon dioxide lower than the normal requirement required of this species of plants, and in turn causes that the growth momentum of leaves at the base of the plant significantly lower than the average level of the same species of plants.
  • the controlling portion 3 can identify the cause of the problem may be that water supply at the base of the plant has been excessive or the applied amount of fertilizer has exceeded the normal needs of this species of plants. Then the controlling portion 3 may use relevant data to optimize other essentials of the plant factory, such as the concentration of carbon dioxide, indoor ventilation, indoor temperature, and proper application of fertilizer. In brief, the controlling portion 3 can use information of the energy excited at the fluorescent powder in the first area I as acquired by light analysis and statistics sub-unit 102c to identify more factors adverse to plant growth, stores the acquired data, so as to accordingly optimize essentials for the species of plants in future cultivation, thereby reducing power consumption of the disclosed apparatus while improving yield of plants.
  • the lighted area of the light analysis and statistics sub-unit 102c may be a first area I.
  • the first area I may be round.
  • the radius of the first area I may be flexibly set according to actual needs. For example, it may be such set that when the single-color light unit casts light to the plant at an incident angle of 45 degrees, the shadow of the irradiated plant comes to the maximal length.
  • the light-receiving side of the light-emitting plate sub-unit 102a further comprises a second area.
  • fluorescent powder is applied to the light-receiving side of the light-emitting plate sub-unit 102a in a constant concentration, so that the light emitted by the lighting sub-unit and/or the natural light missed by the parts of the plant can directly excite the fluorescent powder in the second area to generate light that can be used to facilitate plant growth.
  • the side of the lighting portion 1 facing the plant may be coated with fluorescent powder, so that the fluorescent powder can be excited by the light projected by the light-emitting plate sub-unit 102a to the lighting portion 1 again to generate light incident to the plant.
  • the second area covers everywhere of the light-receiving side of the light-emitting plate sub-unit 102a except for where is covered by the first area.
  • the second area may include gaps between plants and areas where are irradiated by the lighting sub-units and no plants are planted.
  • the second area may recover and reuse the light projected by the lighting portion 1 to the gaps between the plants and the areas where are irradiated by the lighting sub-unit and no plants are planted through the light-emitting plate sub-unit 102a, thereby enhancing the utilization rate of the light generated by the lighting portion 1 of the disclosed apparatus.
  • the lighting portion 1 has its side facing the plants coated with fluorescent powder, so that the fluorescent powder on the lighting portion 1 can be excited by the light projected from the light-emitting plate sub-unit 102a to the lighting portion 1 and generate light incident to the plant.
  • the side of the lighting sub-unit facing the plant may be coated with fluorescent powder, so that the fluorescent powder on the lighting sub-unit can be excited again by the light projected to the lighting sub-unit by the light-emitting plate sub-unit 102a and generate light incident to the plant.
  • an agricultural lighting apparatus comprises an image-collecting portion 4, which is configured to at least collect images and/or video clips of animals and/or plants in a designated area, and send the images and/or video clips to the controlling portion 3.
  • the controlling portion 3 can analyze the images and/or video clips of the animals and/or the plants collected by the image-collecting portion 4 and identify basic data information of the animals and/or the plants, and control the lighting portion 1 to provide the animals and/or the plants with light meals matching needs reflected in the basic data information.
  • the image-collecting portion 4 at least comprises cameras or other devices that can collecting images and/or video clips.
  • the image-collecting portion 4 may send the images and/or video clips of the animals and/or the plants it captures to the controlling portion 3.
  • controlling portion 3 can send control signals to the lighting portion 1, so as to adjust light meal provided by the lighting unit 101 in the lighting portion 1.
  • the designated area may be a physical building used to plant plants, such as a greenhouse.
  • the designated area may be a physical building used to raise animals, such as a chicken coop. More preferably, animals and plants may be raised or planted in a relatively independent manner.
  • the designated area may be a fully closed area, such as a cultivation area totally depending on artificial light sources.
  • the designated area may be a semi-open or open-air area, such as a cultivation area at least partially depending on sunlight lighting. More preferably, the plants planted in one designated area may be of the same type.
  • one image-collecting portion 4 may correspond to a single designated area.
  • plural image-collecting portion 4 may correspond to one designated area.
  • the same designated area may be provided with one or more camera apparatuses. More preferably, in one designated area, only one type of plants/animals are cultivated.
  • the designated area is sized and shaped flexibly according to actual needs.
  • the lighting portion 1 can receive a control signal from the controlling portion 3, so as to correspondingly adjust the lighting unit 101 in the lighting portion 1 according to the control signal.
  • the basic data information may include but are not limited to names, types (such as sun plants or shade plants) , growth stages of the animals and/or the plants.
  • the growth stages may include the seedling stage, the maturity stage, the flowering stage, the senescent stage, and the wilting stage.
  • the growth stages may include the early-childhood stage, the late-childhood stage, the subadult stage, and the adult stage.
  • the growth stages may be alternatively divided by age directly, such as three-week-old chicks.
  • the controlling portion 3 may adopt an AI-based video clip or image recognizing technology to recognize the images and/or video clips of the animals and/or the plants.
  • AI-based video clip or image recognizing technologies have become mature in the art, people skilled in the art may readily learn the technologies, and no detailed description is made herein.
  • the controlling portion 3 may use other images and/or video clips recognizing technologies.
  • the controlling portion 3 may analyze and identify names, types (such as sun plants or shade plants) , growth stages of the animals and/or plants contained in the captured images and/or video clips, and search for data information related to the plant (and/or animals) under the basic data information such as light saturation points, light compensation points and spectral preferences (e.g., large light demands for a certain spectral range) from the database provided in or integrated in the controlling portion 3. Afterward, the controlling portion 3 uses the one or more lighting units 101 in the data information control lighting portion 1 to provide the plants and/or animals in the designated area with light meals conforming to the needs of the animals and/or plants as reflected in the basic data information.
  • the basic data information such as light saturation points, light compensation points and spectral preferences (e.g., large light demands for a certain spectral range) from the database provided in or integrated in the controlling portion 3.
  • the controlling portion 3 uses the one or more lighting units 101 in the data information control lighting portion 1 to provide the plants and/or animals in the designated area with light meals conforming
  • the controlling portion 3 may incorporate relevant databases according to actual user needs.
  • a user planning to cultivate one or more species of plants or animals may enter basic data information of the one or more species of plants or animals to be cultivated into the database provided in or integrated into the controlling portion 3 in advance. Since knowledge of basic data information (such as information of data of names, species, and growth stages) of light-meal needs of animals or plants under cultivation is available to people skilled in the art through open channels, development of the relevant database is not detailed herein.
  • the controlling portion 3 controls one or more lighting units 101 of the lighting portion 1 according to the basic data information of the recognized animals and/or plant, so as to provide the animals and/or the plants with light meals that match the light-meal needs of the plants (or animals) in the current growth stage.
  • the distance between adjacent lighting units 101 may be manually adjusted according to actual needs.
  • the distance between adjacent lighting units 101 in the designated area may be constant, so that lighting units 101 in the designated area can provide the plants below the lighting units 101 with uniform lighting.
  • the layout of the lighting units 101 in the designated area may be set according to actual needs, so that lighting units 101 in the designated area can provide the plants below the lighting units 101 with uniform lighting.
  • the controlling portion 3 may be provided with or integrated with a database containing various information about species, growth stages, and light-meal needs corresponding to the growth stages of the relevant the animals and/or the plants.
  • the controlling portion 3 may further be connected to the Internet, so as to acquire various basic data information about the animals and/or the plants.
  • the light-meal configuration information at least covers the following aspects: suitable light exposure intensities (such as PPFD values) , spectral ranges, and photoperiods.
  • suitable light exposure intensities such as PPFD values
  • spectral ranges such as PPFD values
  • photoperiods such as PPFD values
  • the light-meal configuration information may include more types of information according to actual needs.
  • the photoperiod information may include the lighting start time, the lighting end time, the total lighting duration, and the day-night time ratio in every unit interval.
  • the unit interval may be 24 hours.
  • the unit interval may alternatively be set flexibly according to practical needs.
  • controlling portion 3 may recognize animals and/or plants in a designated area corresponding to the image-collecting portion 4 through the image-collecting portion 4 at a certain moment every morning and automatically generate light-meal configuration information.
  • an agricultural lighting method includes the following steps:
  • the lighting portion 1 provides high-power lighting to animals and/or plant cultivated in a cultivation area
  • the moving portion 2 is connected to the lighting portion 1 so that the lighting portion 1 can at least move with the moving portion 2;
  • the controlling portion 3 controls movement of the moving portion 2;
  • the controlling portion 3 provides the animals and/or the plants with lighting in a narrow-band manner according to the light-exposure needs of the animals and/or the plants, so as to satisfy the light-exposure needs of the animals and/or the plants growth while reducing power consumption of the lighting apparatus.
  • plural lighting sub-units may be used.
  • different lighting sub-units may generate single-color light of different colors.
  • the present invention has the following benefits: 1) Most known solutions in the art use fluorescent powder of single-color light such as red light and blue light combined at a certain ratio as light sources, and this makes the LED light conversion efficiency of the existing plant lighting devices limited.
  • the present invention uses lighting sub-units coated with identical or different single-color fluorescent powder as light sources, so the disclosed apparatus can adjust the combination of different single-color lights to formulate light meals for the animals and/or the plants.
  • single-color fluorescent powder coated on the lighting sub-unit can significantly improve the light conversion efficiency of the lighting sub-unit; 2) Most known solutions in the art implement static light sources.
  • the present invention adopts dynamic light sources, which have moving portions 2 to allow the lighting portions 1 to shift, revolve, rotate, pitch, and roll, so that the light from the lighting portion 1 can be projected onto photoreceptors on plant leaves in more directions, thereby reducing light pockets; and 3) the present invention significantly reduces the overall power consumption of the lighting apparatus, and focuses high-intensity light into the animals and/or the plants in a narrow-band manner through the lighting sub-units, so as to satisfy light-exposure needs of the cultivated animals and/or plants growth. With the same energy consumption, a dense arrangement of light sources in a narrow-band lighting area can create lighting growth-promoting to animals and/or plants better than an evenly distributed arrangement.
  • the lighting portion 1 can have at least two lighting sub-units having wavelengths different from each other.
  • the controlling portion 3 can selectively activate the lighting sub-unit having a wavelength corresponding to the plants of interest.
  • the scanning frequencies of the moving portion 2 and the lighting portion 1 may be set flexibly according to actual needs.
  • controlling portion 3 may further provide numerous lighting strategies, mixing proportions of light with different wavelengths, light-mixing methods, and light-source power regulation.
  • controlling portion 3 may further perform adaptive adjustment according to the ambient light.
  • the controlling portion 3 performs adaptive adjustment according to the species and the growth stages of the plants of interest.
  • the disclosed lighting apparatus may further include a generator unit that generates electricity using undulation of ocean waves.
  • the electricity generated by the generator unit can be used to power underwater dynamic light sources, so as to enhance underwater lighting.
  • the dynamic light sources thereby can irradiate nearby underwater plants (such as coral, waterweeds, etc. ) in a scanning manner.
  • the dynamic light sources of the disclosed lighting apparatus can provide underwater plants with lighting matching their growth needs, thereby supplying fishes or other aquatics cultured nearby with adequate foods, and eventually increasing the yield of the underwater animals and/or plants.
  • the cultivation area may be provided with a movement portion, which enables the cultivation area carrying plants to perform preset movement.
  • the preset movement of the cultivation area may be circular movement based on the lighting portion 1, so that the cultivation area and the lighting portion 1 can move relative to each other and thereby achieving the scanning operation of the light sources.
  • the lighting portion 1 and the cultivation area may move at the same time in a cooperative way, so as to minimize blocked regions in the cultivation area and thereby improve irradiation effects of the light sources.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Cultivation Of Plants (AREA)
  • Hydroponics (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Housing For Livestock And Birds (AREA)
PCT/CN2022/097608 2021-09-24 2022-06-08 Energy-saving agricultural lighting apparatus and method WO2023045405A1 (en)

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CN202111125765.4 2021-09-24
CN202111125765 2021-09-24
CN202111200533.0A CN113883477B (zh) 2021-09-24 2021-10-14 一种基于后向反射的动植物照明设备、系统及方法
CN202111200533.0 2021-10-14
CN202111538580.6 2021-12-15
CN202111545732.5 2021-12-15
CN202111545732.5A CN114128514B (zh) 2021-09-24 2021-12-15 一种基于长余辉发光材料的补光装置及方法
CN202111538935.1A CN114128513B (zh) 2021-09-24 2021-12-15 一种基于近红外电磁波转换材料的补光装置
CN202111538935.1 2021-12-15
CN202111538580.6A CN114208558B (zh) 2021-09-24 2021-12-15 一种基于热致发光材料的补光装置及方法

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PCT/CN2022/097609 WO2023045406A1 (en) 2021-09-24 2022-06-08 Scanning-type light-emitting apparatus for agriculture and cultivation and lighting method thereof
PCT/CN2022/121138 WO2023046123A1 (zh) 2021-09-24 2022-09-24 一种用于农业照明的多段式周期发光设备及照明方法

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PCT/CN2022/121138 WO2023046123A1 (zh) 2021-09-24 2022-09-24 一种用于农业照明的多段式周期发光设备及照明方法

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