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WO2013013530A1 - Control method for the staged timing and regulation of light in plant lighting - Google Patents

Control method for the staged timing and regulation of light in plant lighting Download PDF

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Publication number
WO2013013530A1
WO2013013530A1 PCT/CN2012/075569 CN2012075569W WO2013013530A1 WO 2013013530 A1 WO2013013530 A1 WO 2013013530A1 CN 2012075569 W CN2012075569 W CN 2012075569W WO 2013013530 A1 WO2013013530 A1 WO 2013013530A1
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Prior art keywords
plant
light
illumination
different
led
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Ceased
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PCT/CN2012/075569
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French (fr)
Chinese (zh)
Inventor
程世友
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Zhejiang Jingri Lighting Technology Co Ltd
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Zhejiang Jingri Lighting Technology Co Ltd
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Publication of WO2013013530A1 publication Critical patent/WO2013013530A1/en
Anticipated expiration legal-status Critical
Priority to ZA2014/03830A priority Critical patent/ZA201403830B/en
Ceased legal-status Critical Current

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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
    • 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 invention relates to the technical field of LED plant illumination, in particular to a control method capable of digitally adjusting light intensity, light quality and photoperiod.
  • Light is an indispensable source of energy for photosynthesis of green plants, and light also affects the morphogenesis and geographical distribution of plants.
  • Light-to-plant effects include light intensity, light quality and photoperiod. Adjusting the light intensity, light quality and photoperiod of plant illumination according to the growth characteristics of plants can not only promote the rapid growth of plants, but also change the geographical and seasonal attributes of plants.
  • Traditional plant lighting technology uses high-pressure sodium lamps, fluorescent lamps, metal halide lamps, incandescent lamps, etc. These light sources not only have high energy consumption, high operating cost, but also have large spectral width, difficult to control light quality, and low service life.
  • LED light source has its own unique advantages in the field of plant lighting: it can choose a specific wavelength, and the band is concentrated (that is, the spectrum line is narrow); the service life is as long as 50000-100000 hours, which is more than 10 times that of ordinary lighting fixtures;
  • the heat source can achieve close-range illumination, which can greatly improve the cultivation layer and space utilization rate of the plant; small volume and strong impact resistance, and discrete point light source characteristics facilitate various light distribution design and structural design of the lamp;
  • Power supply can be combined with wind power or solar power; can further save power by adjusting the frequency to work ratio; can control the light intensity and light quality by adjusting the current. Summary of the invention
  • the present invention is directed to a deficiencies in the prior art, and provides a phased time control method that can be applied to plant illumination by digitally adjusting light intensity, light quality, and photoperiod.
  • a phased timing control method applied to plant illumination which comprises the following steps:
  • Plant light information is collected according to the relative light intensity and the period of illumination between the spectral band and the band required for photosynthesis of the plant, and the plant illumination information is stored in the plant information database;
  • LED chips of different wavelength bands are selected, and the ratio calculation between different LED chips is performed, and the LED chips are combined to form LED plant lighting fixtures;
  • the LED plant lighting fixture is connected to the digital control module, and the illumination of each LED chip is controlled by a digital control module;
  • the digital control module is connected with a sampling adjustment module, and the sampling adjustment module adjusts and updates the light intensity and the illumination period according to different types of plant photosynthesis, and compares with the plant illumination information stored in the plant information database. And feedback to the digital control module.
  • the plant information database stores digital information about the different wavelength requirements of the plant for light, the light intensity requirements for different wavelengths of light, and the illumination period requirements for different light.
  • the invention fully utilizes the unique advantages of the LED itself to realize the digital adjustment of the light intensity, the light quality and the photoperiod during the illumination process of the plant.
  • the beneficial effects of the technical solution of the present invention are: from the perspective of energy saving, adopting the control technology
  • the LED plant lighting fixture has the unparalleled superiority of traditional plant lighting fixtures; from the perspective of adaptability, the technology can select different lighting "packages" according to the light requirements of different plants; from the functional point of view, the technology
  • the digital control module realizes convenient control of light intensity, light quality and photoperiod, with strong adaptability and high precision.
  • FIG. 1 is a schematic block diagram of an embodiment of the present invention.
  • Embodiment as shown in Fig. 1, a phased timing control method applied to plant illumination, which comprises the following steps:
  • the plant illumination information is collected according to the relative light intensity and the illumination period between the spectral band and the band required for photosynthesis of the plant 3, and the plant illumination information is stored in the plant information database 4.
  • the LED chips 11 of different wavelength bands are selected, and the ratio calculation between the different LED chips 11 is performed, and the LED chips 11 are combined to form an LED plant lighting fixture 1 ;
  • the LED plant lighting fixture 1 is connected to the digital control module 2, and the illumination of each LED chip 11 is controlled by the digital control module 2;
  • the digital control module 2 is connected with a sampling adjustment module 5, which compares the light intensity and the illumination period of different plant photosynthesis with the plant illumination information stored in the plant information database 4, The adjustment is updated and fed back to the digital control module 2.
  • the plant information database 4 stores digital information of the different wavelength requirements of the plant 3 for light, the light intensity requirements for different wavelengths of light, and the illumination period requirements of different lights.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Cultivation Of Plants (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

A control method for the staged timing and regulation of light in plant lighting, wherein the method utilizes the unique advantages of an LED itself to effect the digital regulation of the intensity, quality and duration of light during the plant lighting process. An LED plant light using the control method can be more energy-efficient than a traditional plant light, and can select different light "packages" according to the demands for light of different plants; the technology allows for the convenient control of the intensity, quality and duration of light by a digital control module, and is very adaptable and accurate.

Description

一种应用于植物光照的阶段性调时调光控制方法  Phased time-modulating dimming control method applied to plant illumination

技术领域 Technical field

说  Say

本发明涉及 LED植物照明技术领域， 特别涉及一种可以对光强、 光质和光周期进行数字化调节的控制方法。  The invention relates to the technical field of LED plant illumination, in particular to a control method capable of digitally adjusting light intensity, light quality and photoperiod.

书  Book

背景技术 光是绿色植物进行光合作用不可缺少的能量来源，同时光也影响 着植物的形态建成和地理分布， 光对植物的作用指标包括光强、光质 和光周期。根据植物的生长特性而调整对植物光照的光强、光质和光 周期不但能够促进植物的快速生长，甚至能改变植物的地域属性和季 节属性。传统植物照明技术采用的是高压钠灯、荧光灯、金属卤素灯、 白炽灯等， 这些光源不仅能耗大、 运行费用高， 而且光谱宽度大、 光 质难调控、 使用寿命低。 LED光源用在植物照明领域有自己的独特优 点： 可选择特定波长， 且波段集中 （即波谱线较窄）； 使用寿命长达 50000-100000小时， 是普通照明灯具的 10倍以上； 作为低发热光源 能实现近距离照射， 可大幅度提高植物的栽培层数和空间利用率； 体 积小且抗冲击性能强，离散的点光源特性便于对灯具进行多样的配光 设计和结构设计；采用直流供电，可结合风力发电或太阳能发电使用； 可通过调节频率与工作比从而进一步省电；可通过调整电流实现对光 强和光质的控制。 发明内容 BACKGROUND OF THE INVENTION Light is an indispensable source of energy for photosynthesis of green plants, and light also affects the morphogenesis and geographical distribution of plants. Light-to-plant effects include light intensity, light quality and photoperiod. Adjusting the light intensity, light quality and photoperiod of plant illumination according to the growth characteristics of plants can not only promote the rapid growth of plants, but also change the geographical and seasonal attributes of plants. Traditional plant lighting technology uses high-pressure sodium lamps, fluorescent lamps, metal halide lamps, incandescent lamps, etc. These light sources not only have high energy consumption, high operating cost, but also have large spectral width, difficult to control light quality, and low service life. LED light source has its own unique advantages in the field of plant lighting: it can choose a specific wavelength, and the band is concentrated (that is, the spectrum line is narrow); the service life is as long as 50000-100000 hours, which is more than 10 times that of ordinary lighting fixtures; The heat source can achieve close-range illumination, which can greatly improve the cultivation layer and space utilization rate of the plant; small volume and strong impact resistance, and discrete point light source characteristics facilitate various light distribution design and structural design of the lamp; Power supply, can be combined with wind power or solar power; can further save power by adjusting the frequency to work ratio; can control the light intensity and light quality by adjusting the current. Summary of the invention

本发明针对现有技术中存在的不足， 而提供了一种可以对光强、 光质和光周期进行数字化调节、应用于植物光照的阶段性调时控制方 法。  The present invention is directed to a deficiencies in the prior art, and provides a phased time control method that can be applied to plant illumination by digitally adjusting light intensity, light quality, and photoperiod.

为了解决上述技术问题， 本发明通过下述技术方案得以解决： 一种应用于植物光照的阶段性调时控制方法， 它包括以下步骤： In order to solve the above technical problems, the present invention is solved by the following technical solution: A phased timing control method applied to plant illumination, which comprises the following steps:

A.根据植物进行光合作用所需要的光谱波段与波段之间的相对 光强和受照周期进行植物光照信息采集，将植物光照信息存储在植物 信息数据库里面； A. Plant light information is collected according to the relative light intensity and the period of illumination between the spectral band and the band required for photosynthesis of the plant, and the plant illumination information is stored in the plant information database;

B.再根据该植物对光谱的需求进行不同波段的 LED芯片选择， 进行不同 LED 芯片之间的比例计算， LED 芯片经过组合之后组成 LED植物照明灯具；  B. According to the plant's spectral requirements, LED chips of different wavelength bands are selected, and the ratio calculation between different LED chips is performed, and the LED chips are combined to form LED plant lighting fixtures;

C.该 LED植物照明灯具与数字控制模块相连， 每一 LED芯片的 发光由数字控制模块来控制；  C. The LED plant lighting fixture is connected to the digital control module, and the illumination of each LED chip is controlled by a digital control module;

D.所述数字控制模块连接有采样调整模块，该采样调整模块根据 不同类植物光合作用对光强和受照周期的不同，与存储在植物信息数 据库中的植物光照信息对比，进行调整更新，并反馈给数字控制模块。  D. The digital control module is connected with a sampling adjustment module, and the sampling adjustment module adjusts and updates the light intensity and the illumination period according to different types of plant photosynthesis, and compares with the plant illumination information stored in the plant information database. And feedback to the digital control module.

所述植物信息数据库中存储有植物对光的不同波长需求、对不同 波长光的光强需求、 不同光的照射周期需求的数字信息。  The plant information database stores digital information about the different wavelength requirements of the plant for light, the light intensity requirements for different wavelengths of light, and the illumination period requirements for different light.

本发明充分利用 LED 自身的独特优点实现植物光照过程中光 强、 光质和光周期的数字化调节。  The invention fully utilizes the unique advantages of the LED itself to realize the digital adjustment of the light intensity, the light quality and the photoperiod during the illumination process of the plant.

本发明技术方案的有益效果是： 从节能角度讲， 采用该控制技术 的 LED植物照明灯具有着传统植物照明灯具无可比拟的优越性； 从 适应性角度讲， 该技术能够根据不同植物对光的需求进行不同光照 "套餐"的选择； 从功能性角度讲， 该技术通过数字化控制模块实现 了对光强、 光质和光周期的便捷控制， 适应性强， 精确度高。 The beneficial effects of the technical solution of the present invention are: from the perspective of energy saving, adopting the control technology The LED plant lighting fixture has the unparalleled superiority of traditional plant lighting fixtures; from the perspective of adaptability, the technology can select different lighting "packages" according to the light requirements of different plants; from the functional point of view, the technology The digital control module realizes convenient control of light intensity, light quality and photoperiod, with strong adaptability and high precision.

附图说明 DRAWINGS

图 1为本发明实施例的原理框图。  FIG. 1 is a schematic block diagram of an embodiment of the present invention.

具体实施方式 detailed description

下面结合附图与实施例对本发明作进一步详细描述：  The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

实施例， 如图 1所示， 一种应用于植物光照的阶段性调时控制方 法， 它包括以下步骤：  Embodiment, as shown in Fig. 1, a phased timing control method applied to plant illumination, which comprises the following steps:

A. 根据植物 3进行光合作用所需要的光谱波段与波段之间的相 对光强和受照周期进行植物光照信息采集，将植物光照信息存储在植 物信息数据库 4里面。  A. The plant illumination information is collected according to the relative light intensity and the illumination period between the spectral band and the band required for photosynthesis of the plant 3, and the plant illumination information is stored in the plant information database 4.

B.再根据该植物 3对光谱的需求进行不同波段的 LED芯片 11选 择， 进行不同 LED芯片 11之间的比例计算， LED芯片 11经过组合 之后组成 LED植物照明灯具 1 ;  B. According to the needs of the plant 3 for the spectrum, the LED chips 11 of different wavelength bands are selected, and the ratio calculation between the different LED chips 11 is performed, and the LED chips 11 are combined to form an LED plant lighting fixture 1 ;

C.该 LED植物照明灯具 1与数字控制模块 2相连， 每一 LED芯 片 11的发光由数字控制模块 2来控制；  C. The LED plant lighting fixture 1 is connected to the digital control module 2, and the illumination of each LED chip 11 is controlled by the digital control module 2;

D.所述数字控制模块 2连接有采样调整模块 5， 该采样调整模块 5根据不同类植物光合作用对光强和受照周期的不同， 与存储在植物 信息数据库 4中的植物光照信息对比， 进行调整更新， 并反馈给数字 控制模块 2。 所述植物信息数据库 4中存储有植物 3对光的不同波长需求、对 不同波长光的光强需求、 不同光的照射周期需求的数字信息。 D. The digital control module 2 is connected with a sampling adjustment module 5, which compares the light intensity and the illumination period of different plant photosynthesis with the plant illumination information stored in the plant information database 4, The adjustment is updated and fed back to the digital control module 2. The plant information database 4 stores digital information of the different wavelength requirements of the plant 3 for light, the light intensity requirements for different wavelengths of light, and the illumination period requirements of different lights.

总之， 以上所述仅为本发明的较佳实施例， 凡依本发明申请专利 范围所作的均等变化与修饰， 皆应属本发明专利的涵盖范围。  In conclusion, the above description is only the preferred embodiment of the present invention, and all changes and modifications made by the scope of the present invention should be covered by the present invention.

Claims

权 利 要 求 书 Claim 1. 一种应用于植物光照的阶段性调时调光控制方法， 其特征在 于： 它包括以下步骤： A phased time modulation dimming control method for plant illumination, characterized in that it comprises the following steps: A.根据植物进行光合作用所需要的光谱波段与波段之间的相对 光强和受照周期进行植物光照信息采集，将植物光照信息存储在植物 信息数据库里面；  A. Plant light information is collected according to the relative light intensity and the period of illumination between the spectral band and the band required for photosynthesis of the plant, and the plant illumination information is stored in the plant information database; B.再根据该植物对光谱的需求进行不同波段的 LED芯片选择， 进行不同 LED 芯片之间的比例计算， LED 芯片经过组合之后组成 LED植物照明灯具；  B. According to the plant's spectral requirements, LED chips of different wavelength bands are selected, and the ratio calculation between different LED chips is performed, and the LED chips are combined to form LED plant lighting fixtures; C.该 LED植物照明灯具与数字控制模块相连， 每一 LED芯片的 发光由数字控制模块来控制；  C. The LED plant lighting fixture is connected to the digital control module, and the illumination of each LED chip is controlled by a digital control module; D.所述数字控制模块连接有采样调整模块，该采样调整模块根据 不同类植物光合作用对光强和受照周期的不同， 设置内置固定程序， 并反馈给数字控制模块。  D. The digital control module is connected with a sampling adjustment module, and the sampling adjustment module sets a built-in fixed program according to different plant photosynthesis for different light intensity and illumination period, and feeds back to the digital control module. 2. 根据权利要求 1 所述的一种应用于植物光照的阶段性调时控 制方法， 其特征在于： 所述植物信息数据库中存储有植物对光的不同 波长需求、对不同波长光的光强需求、不同光的照射周期需求的数字 信息。  2 . The method according to claim 1 , wherein the plant information database stores different wavelength requirements of plants for light and light intensity for different wavelengths of light. Digital information on demand, exposure time requirements for different light.
PCT/CN2012/075569 2011-07-27 2012-05-16 Control method for the staged timing and regulation of light in plant lighting Ceased WO2013013530A1 (en)

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