JP6573829B2 - 園芸ライティングシステム及びかかる園芸ライティングシステムを用いる園芸生産施設 - Google Patents
園芸ライティングシステム及びかかる園芸ライティングシステムを用いる園芸生産施設 Download PDFInfo
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Classifications
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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
-
- 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
- A01G9/14—Greenhouses
-
- 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
- A01G9/26—Electric devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
-
- 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
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Cultivation Of Plants (AREA)
- Greenhouses (AREA)
Description
・光周性は植物が放射の周期性を感知し測定するために持つ能力をあらわす(例えば開花を誘導するため)
・屈光性は放射の方へ向かう及び放射から離れる植物の成長運動をあらわす
・光形態形成は放射の質と量に応じた形態の変化をあらわす。
1.補助ライティング:(例えばトマトの)生産を増大する、若しくは例えば作物価格が高くなり得る秋、冬、及び春の期間中に作物生産を延長するために、自然照明を補うライティングが使用される。
2.光周期ライティング:日周の光の持続期間は多くの植物にとって重要である。24時間周期における明期と暗期の比率は多くの植物の開花反応に影響を及ぼす。補助ライティングを用いてこの比率を操作することは開花の時期を制御することを可能にする。
3.植物工場での日光なしの栽培
4.組織培養
1.人工光源が急激に点灯及び消灯されるときに植物がストレスを経験すること。
2.温室環境における自然照明の存在下で、植物が温室の北若しくは南若しくは東若しくは西側(基本位置)にあるときに異なる光設定を経験すること。こうした光設定の違いは人工光が日光の強度変化に関係なく制御されるときに高くなる。
3.同様に、例えば0mAから350mAへの大きな電流変化の瞬間にLEDチップがストレス(例えば熱的及び機械的ストレス)を経験すること。ストレスはLEDチップ(及びおそらく他の電子部品も)の耐用年数に影響を及ぼすと考えられ、従ってLED電灯若しくはモジュールの耐用年数を短縮する可能性がある。
Claims (10)
- ライティング装置を有するライティングシステムであって、
前記ライティング装置は、前記ライティング装置を有する園芸生産施設における用途のための複数の光源を有し、前記光源は前記園芸生産施設内の作物を園芸光で照らすように構成され、
前記ライティングシステムは、前記園芸生産施設内のある位置における局所光の光強度を制御するように構成される制御ユニットをさらに有し、前記局所光は前記園芸光と、オプションの他の光源から生じる前記位置におけるオプション光の合計であり、前記制御ユニットは、前記局所光への前記園芸光の寄与を制御することによって、5分以下の範囲から選択される所定期間にわたって平均50μモル/秒/m2を超える前記園芸生産施設内の前記位置における前記局所光の光合成光量子束密度の変化を防止するように構成され、前記局所光の光合成光量子束密度は局所受光面積の単位面積当たり1秒当たりの400‐800nmの波長範囲内の光子の総数として決定される、
ライティングシステム。 - 前記制御ユニットは前記所定期間にわたって平均5μモル/秒/m2を超える前記園芸生産施設内の前記位置における前記局所光の光合成光量子束密度の変化を防止するように構成される、請求項1に記載のライティングシステム。
- 前記所定期間が2分以下の範囲から選択される、請求項1乃至2のいずれか一項に記載のライティングシステム。
- 前記ライティングシステムが前記位置における前記局所光の光合成光量子束密度を感知するように構成されるセンサをさらに有する、請求項1乃至3のいずれか一項に記載のライティングシステム。
- 前記制御ユニットが前記所定期間にわたって平均20μモル/秒/m2を超える前記園芸生産施設内の前記位置における前記局所光の300‐800nmの波長範囲内の光合成光量子束密度の変化を防止するように構成される、請求項1乃至4のいずれか一項に記載のライティングシステム。
- 前記制御ユニットが、前記所定期間にわたって平均10μモル/秒/m2を超える前記園芸生産施設内の前記位置における前記局所光の400‐470nmの第1の波長範囲における、前記所定期間にわたって平均10μモル/秒/m2を超える前記園芸生産施設内の前記位置における前記局所光の625‐675nmの第2の波長範囲における、及び随意に前記所定期間にわたって平均10μモル/秒/m2を超える前記園芸生産施設内の前記位置における前記局所光の675‐760nmの第3の波長範囲における、光合成光量子束密度の変化を防止するように構成される、請求項1乃至5のいずれか一項に記載のライティングシステム。
- 請求項1乃至6のいずれか一項に記載のライティングシステムを有する園芸生産施設。
- 前記園芸生産施設内の複数の位置において局所光の光合成光量子束密度を感知するように構成される複数のセンサを有し、前記制御ユニットが前記複数の位置において前記局所光の光合成光量子束密度の変化を防止するように構成される、請求項7に記載の園芸生産施設。
- 前記園芸生産施設が温室、若しくは多層栽培システムを有する園芸生産施設を有する、請求項7乃至8のいずれか一項に記載の園芸生産施設。
- 園芸生産施設において作物に園芸光を供給する方法であって、
請求項1乃至6のいずれか一項に記載のライティングシステムを用いて前記園芸光を前記作物に供給するステップを有する、方法。
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