CN113573434A - Plant lighting system capable of adjusting spectrum light intensity - Google Patents
Plant lighting system capable of adjusting spectrum light intensity Download PDFInfo
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- CN113573434A CN113573434A CN202110663046.1A CN202110663046A CN113573434A CN 113573434 A CN113573434 A CN 113573434A CN 202110663046 A CN202110663046 A CN 202110663046A CN 113573434 A CN113573434 A CN 113573434A
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- 238000001228 spectrum Methods 0.000 title abstract description 13
- 239000011324 bead Substances 0.000 claims abstract description 59
- 239000003086 colorant Substances 0.000 claims abstract description 31
- 238000005286 illumination Methods 0.000 claims abstract description 19
- 230000003595 spectral effect Effects 0.000 claims abstract description 14
- 230000008635 plant growth Effects 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 15
- 239000000758 substrate Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 5
- 230000000243 photosynthetic effect Effects 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000019552 anatomical structure morphogenesis Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000008121 plant development Effects 0.000 description 1
- 230000001863 plant nutrition Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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- 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
-
- 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
-
- 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]
- H05B45/20—Controlling the colour 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
- H05B47/155—Coordinated control of two or more light sources
-
- 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
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a plant lighting system capable of adjusting spectral light intensity, which sets light environment parameters required by plant generation through an HMI (human machine interface) and writes the parameters into a programmable logic controller through Ethernet so as to control analog quantity signals output by the programmable logic controller; the programmable logic controller inputs the analog quantity signal to each numerical control LED power supply module and adjusts the current intensity output by each numerical control LED power supply module; the LED lamp beads of all colors receive different currents, and the emitted light brightness is different; LED lamp beads of the same color share the same numerical control LED power module, independent dimming of the LED lamp beads of each color is achieved, and the light brightness and the photosynthetic effective radiation intensity are controlled by adjusting the current intensity supplied to the LED lamp beads by the numerical control LED power module, so that the spectrum composition of the whole light source of the plant light source system and the corresponding illumination intensity of the whole light source can be automatically adjusted according to the requirements of plant cultivation test conditions.
Description
Technical Field
The invention relates to the technical field of plant cultivation technical research and artificial light source plant cultivation equipment research and development, in particular to a plant lighting system capable of adjusting spectrum light intensity.
Background
The plant can not grow in a luminous environment, light is indispensable for plant growth, and the plant can control the plant morphology based on the photomorphology and the components contained in the plant. The three factors of the illumination intensity, the illumination time and the light source quality are important factors influencing the normal growth of plants.
The quality of light source is one of the basic factors for regulating plant physiological metabolism, and most biosynthesis processes can be regulated by changing the quality of light source. For plants, not all light can be used, and only light sources in the visible region (wavelengths in the range of 400 to 700 nm) can be absorbed by plants. It is generally considered that the wavelength range affecting the growth and development of plants is about 300 to 800nm, and the wavelength range capable of being used for photosynthesis is 400 to 700 nm. Studies have shown that the most effective wavelengths among these are red (λ ≈ 660nm) and blue (λ ≈ 480 nm). Red light promotes the rapid growth of the photosynthetic products, while blue light facilitates the morphogenesis of the photosynthetic products.
The LED light source has photoelectric advantages which cannot be compared with the traditional light source, is an ideal light source for regulating and controlling the light environment of artificial light source plant equipment, and is increasingly widely applied to artificial light source plant culture equipment. Research and exploration on the influence of comprehensive factors such as illumination intensity, illumination time, light source quality and the like on plant growth and development, plant morphogenesis, plant nutrition quality and the like have very important effect on the development of artificial light source plant equipment.
In the existing artificial light source plant cultivation equipment, red light LEDs, blue light LEDs and white light LED lamp beads are mostly adopted and combined in a certain proportion for matching, and a developed illumination system can only adjust illumination intensity and illumination time and cannot adjust light source quality according to test requirements, namely, spectrum composition and corresponding illumination intensity often cannot meet the requirements of plant cultivation test conditions.
From the above, it can be seen that how to provide a plant light source system capable of adjusting the light intensity of a spectrum according to the requirements of plant cultivation test conditions is a problem to be solved at present.
Disclosure of Invention
The invention aims to provide a plant lighting system capable of adjusting spectrum light intensity, and aims to solve the problem that the existing artificial light source plant cultivation equipment cannot adjust spectrum composition and corresponding illumination intensity according to test requirements.
In order to solve the above technical problem, the present invention provides a plant lighting system with adjustable spectrum light intensity, comprising: the system comprises an HMI (human machine interface), a programmable logic controller, a light source module and a power supply; the light source module comprises LED lamp beads with different colors and a plurality of numerical control LED power modules, and the LED lamp beads with the same color share the same numerical control LED power module; the light source module is used for adjusting the spectral light intensity of the whole light source by adjusting the light emitting brightness and the light emitting duration of the LED lamp beads with different colors so as to generate a light environment required by plant growth; the HMI human-computer interface is used for setting light environment parameters required by plant growth and exchanging data with the programmable logic controller through Ethernet so as to control analog quantity signals output by the programmable logic controller; the programmable logic controller is used for respectively inputting different analog quantity signals to each numerical control LED power supply module so as to adjust the current intensity output by each numerical control LED power supply module; the numerical control LED power supply module is used for providing a variable power supply for the LED lamp beads; the LED lamp beads are used for generating light brightness corresponding to the current intensity output by the numerical control LED power supply module; and the power supply is used for supplying power to the HMI human-computer interface, the programmable logic controller and the light source module.
Preferably, the light source module includes: the lamp panel, the light source structure assembly and the air cooling assembly are arranged on the lamp panel;
the lamp panel comprises the LED lamp beads with different colors and an aluminum substrate, and the LED lamp beads with different colors are embedded on the aluminum substrate according to a preset proportion;
the light source structure component comprises a light source structure frame, a numerical control LED power supply control module and a power supply circuit;
the air cooling assembly comprises a plurality of small axial flow fans and is used for sweeping heat emitted by the lamp panel during working.
Preferably, the LED lamp beads of different colors include: the LED lamp beads with the same color are arranged on the aluminum substrate in series, and the LED lamp beads with different colors are arranged on the aluminum substrate in parallel.
Preferably, the number of the white, red, blue, green and infrared LED lamp beads with different colors is in proportion as follows: 2:4:1:1:1.
Preferably, the total number of the LED lamp beads of the lamp panel is set according to the illumination intensity required by the growth of plants and the area of the lamp panel.
Preferably, the aluminum substrate includes a circuit layer, an insulating layer, and a metal base layer.
Preferably, the lamp plate outside is provided with waterproof component, waterproof component's protection grade is IP 65.
Preferably, the length and width of the light source structure frame are adjusted according to the area of the lamp panel and the plant cultivation area, and the thickness is not more than 30 mm.
Preferably, the side surface of the light source structure frame is provided with an air outlet.
Preferably, the analog quantity signal output by the programmable logic controller is a dimming voltage signal of 0-10V, so that the digital control LED power supply receives the dimming voltage signal of 0-10V and outputs a current intensity of 0-100%.
The invention provides a plant lighting system capable of adjusting spectrum light intensity, which comprises: the system comprises an HMI (human machine interface), a programmable logic controller, a light source module and a power supply; the light source module comprises LED lamp beads with different colors and a plurality of numerical control LED power modules, and the LED lamp beads with the same color share the same numerical control LED power module. According to the plant lighting system provided by the invention, the light environment parameters required by plant generation are set through the HMI human-machine interface, and the set light environment parameters are written into the programmable logic controller through the Ethernet, so that the analog quantity signals output by the programmable logic controller are controlled. And the programmable logic controller inputs the analog quantity signals to each numerical control LED power supply module and adjusts the current intensity output by each numerical control LED power supply module. The LED lamp beads of all colors receive different current intensities, and the emitted light brightness is different; through adjusting the luminous brightness and the luminous duration of the LED lamp beads with different colors on the light source module, the spectral light intensity of the whole light source is adjusted to generate a light environment required by plant growth. According to the system provided by the invention, the LED lamp beads with the same color share the same numerical control LED power supply module, so that the independent dimming of the LED lamp beads with each color is realized, and the brightness of the plant lamp is controlled by adjusting the power intensity supplied to the LED lamp beads by the numerical control LED power supply module, so that the spectrum composition of the whole light source of the plant light source system and the corresponding illumination intensity can be adjusted according to the requirements of plant culture test conditions.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a control schematic diagram of a plant lighting system with adjustable spectral light intensity according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a plant lighting system with adjustable spectral light intensity according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a light source structural assembly.
Detailed Description
The core of the invention is to provide a plant lighting system with adjustable spectral light intensity, which can adjust the luminous brightness and the luminous duration of LED lamp beads with different colors according to the light environment parameters required by plant cultivation, thereby realizing the adjustment of the spectral light intensity of the whole light source.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a control schematic diagram of a plant illumination system with adjustable spectral light intensity according to an embodiment of the present invention, and fig. 2 is a schematic structural diagram of the plant illumination system with adjustable spectral light intensity according to the embodiment of the present invention.
The plant lighting system capable of adjusting the light intensity of the spectrum provided by the embodiment of the invention comprises: the system comprises an HMI (human machine interface), a programmable logic controller, a light source module and a power supply; the light source module comprises LED lamp beads with different colors and a plurality of numerical control LED power modules, and the LED lamp beads with the same color share the same numerical control LED power module; the light source module is used for adjusting the spectral light intensity of the whole light source by adjusting the light emitting brightness and the light emitting duration of the LED lamp beads with different colors so as to generate a light environment required by plant growth; the HMI human-computer interface is used for setting light environment parameters required by plant growth and exchanging data with the programmable logic controller through Ethernet so as to control analog quantity signals output by the programmable logic controller; the programmable logic controller is used for respectively inputting different analog quantity signals to each numerical control LED power supply module so as to adjust the current intensity output by each numerical control LED power supply module; the numerical control LED power supply module is used for providing a variable power supply for the LED lamp beads; the LED lamp beads are used for generating light brightness corresponding to the current intensity output by the numerical control LED power supply module; and the power supply is used for supplying power to the HMI human-computer interface, the programmable logic controller and the light source module.
In this embodiment, the light source module includes: lamp plate, light source structure subassembly, forced air cooling subassembly.
The lamp panel comprises the LED lamp beads with different colors and an aluminum substrate, and the LED lamp beads with different colors are embedded on the aluminum substrate according to a preset proportion; and the lamp plate outside is provided with waterproof component, waterproof component's protection level is IP 65. On the lamp plate, LED lamp pearl series arrangement, the parallelly connected range of LED lamp pearl of different colours of the same colour, according to predetermineeing proportion align to grid and distribute. The aluminum substrate is a metal-based copper-clad plate with a good heat dissipation function, and consists of three layers of structures, namely a circuit layer, an insulating layer and a metal base layer.
Research shows that besides red and blue light wavelength can effectively promote plant growth, green light, ultraviolet light, far infrared light and the like also have positive promotion effects on plant growth. Therefore, in this embodiment, the LED lamp beads of different colors include: the LED lamp beads with the same color are arranged on the aluminum substrate in series, and the LED lamp beads with different colors are arranged on the aluminum substrate in parallel. The wavelengths or color temperatures of white, red, blue, green and infrared light are as follows: the color temperature of the white light is 5500 +/-500K, the wavelength of the red light is 660 +/-10 nm, the wavelength of the blue light is 450 +/-10 nm, the wavelength of the green light is 525 +/-10 nm, and the wavelength of the infrared light is 735 +/-10 nm.
In this embodiment, the proportion of the number of the white, red, blue, green and infrared LED bulbs with different colors can be: 2:4:1:1:1. The total number of the LED lamp beads of the lamp panel is set according to the illumination intensity required by the plant growth and the area of the lamp panel. The lamp panel with the area size of 85mm 850mm is taken as an example, and the following requirements on the illumination intensity are met: under the lamp at 30cm, red light is not less than 500 mu mol m-2·s-1Not less than 100 mu mol/m of blue light-2·s-1Not less than 50 mu mol m of green light-2·s-1Not less than 100 mu mol/m of infrared light-2·s-1No less than 200 mu mol/m of white light-2·s-1The maximum total light intensity is not less than 1000 mu mol.m-2·s-1. The number of white, red, blue, green and infrared light beads is 392, 784, 196 respectively, and 1764 light beads are distributed in total. The lamp beads with different colors are uniformly arranged, and the requirement of the uniformity of illumination intensity not less than 0.8 is met.
It should be noted that, in other embodiments of the present invention, the color of the LED lamp beads on the lamp panel and the ratio of the number of the LED lamp beads in each color can be set according to actual requirements, for example, the LED lamp beads in four colors of white, red, blue, infrared, white, red, blue, and green, or the LED lamp beads in three colors of white, red, and blue are used.
As shown in fig. 3, the light source structure assembly includes a light source structure frame, a numerical control LED power control module, and a power supply line. The thickness of the light source structure frame is not more than 30mm, and the length and the width can be adjusted according to the design and the manufacture of the lamp panel, the cultivation area and the like. And an air outlet is formed in the side surface of the light source structure frame.
The numerical control LED power supply control module converts alternating current into direct current and provides a variable power supply for the LED lamp beads. White light, ruddiness, blue light, green glow and 5 way LED light sources of infrared light on the lamp plate, independent series connection design on the circuit layer respectively through independent 5 numerical control LED power module control, for 5 way LED light sources of white light, ruddiness, blue light, green glow and infrared light supply current on the lamp plate. Each numerical control LED power supply module can independently adjust light, the light adjusting voltage is 0-10v, the HMI (human machine interface) is used for setting the light intensity proportion (0-100%), and the programmable logic controller is used for controlling each numerical control LED power supply module to realize the setting of the light quality and the light intensity with different proportions. The monochromatic light of each color is independently powered, the light intensity can be independently controlled respectively, the light intensity of the monochromatic light is continuously adjustable between 0% and 100%, the combination of the light of five different colors is realized by setting, and different spectral compositions and corresponding illumination intensities can be set.
The rated output voltage of each numerical control LED power supply module is respectively as follows: white light 75v, red light 115v, blue light 48v, green light 36v, infrared light 36 v; the input voltage is: AC100-240V, 50 Hz; the adjusting voltage for controlling the light intensity of different colors is 2-wire DC 0-10V, and a power supply end and a control wire connection port are reserved at the edge of the lamp panel.
In the embodiment provided by the invention, the air cooling component is composed of a small axial flow fan and is mainly used for sweeping heat emitted by the lamp panel during working, so that the influence on the service life of the LED lamp bead due to overhigh temperature of the lamp panel is prevented. In this embodiment, the air-cooling subassembly includes a plurality of small-size axial fan, if 2 or 3 etc. small-size axial fan carries out incessant sweeping to the backlight face of the lamp plate that generates heat to take away the lamp plate heat.
The plant lighting system capable of adjusting the spectrum light intensity provided by the invention can real-timely display the running state of equipment through the HMI human-computer interface, set the light environment parameters required by plant growth through actual data, and write the set light environment parameters into the programmable logic controller through the industrial Ethernet network. The programmable logic controller exchanges data with the human-computer interface of the HMI through an industrial Ethernet and controls the output of the programmable logic controller by reading and writing address data in the programmable logic controller. The programmable logic controller can output an analog quantity signal which is a dimming voltage signal of 0-10V, and different analog quantity signals are input to the numerical control LED power supply modules. The numerical control LED power supply module can provide a variable power supply for the LED lamp beads, the numerical control LED power supply module outputs 0-100% of current intensity by receiving a control signal of 0-10VDC, the LED lamp beads receive different current intensities and emit different light brightness, and the light brightness of the whole light source is controlled by adjusting the supplied power intensity, so that the adjustment required by plant growth is achieved.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The plant lighting system with adjustable spectral light intensity provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A plant lighting system with adjustable spectral light intensity, comprising:
the system comprises an HMI (human machine interface), a programmable logic controller, a light source module and a power supply;
the light source module comprises LED lamp beads with different colors and a plurality of numerical control LED power modules, and the LED lamp beads with the same color share the same numerical control LED power module;
the light source module is used for adjusting the spectral light intensity of the whole light source by adjusting the light emitting brightness and the light emitting duration of the LED lamp beads with different colors so as to generate a light environment required by plant growth;
the HMI human-computer interface is used for setting light environment parameters required by plant growth and exchanging data with the programmable logic controller through Ethernet so as to control analog quantity signals output by the programmable logic controller;
the programmable logic controller is used for respectively inputting different analog quantity signals to each numerical control LED power supply module so as to adjust the current intensity output by each numerical control LED power supply module;
the numerical control LED power supply module is used for providing a variable power supply for the LED lamp beads;
the LED lamp beads are used for generating light brightness corresponding to the current intensity output by the numerical control LED power supply module;
and the power supply is used for supplying power to the HMI human-computer interface, the programmable logic controller and the light source module.
2. The system of claim 1, wherein the light source module comprises:
the lamp panel, the light source structure assembly and the air cooling assembly are arranged on the lamp panel;
the lamp panel comprises the LED lamp beads with different colors and an aluminum substrate, and the LED lamp beads with different colors are embedded on the aluminum substrate according to a preset proportion;
the light source structure component comprises a light source structure frame, a numerical control LED power supply control module and a power supply circuit;
the air cooling assembly comprises a plurality of small axial flow fans and is used for sweeping heat emitted by the lamp panel during working.
3. The system of claim 2, wherein the different colored LED light beads comprise: the LED lamp beads with the same color are arranged on the aluminum substrate in series, and the LED lamp beads with different colors are arranged on the aluminum substrate in parallel.
4. The system of claim 3, wherein the ratio of the number of the LED beads with the five different colors of white, red, blue, green and infrared is as follows: 2:4:1:1:1.
5. The system of claim 4, wherein the total number of LED lamp beads on the lamp panel is set according to the illumination intensity required by the plant to grow and the area of the lamp panel.
6. The system of claim 2, wherein the aluminum substrate comprises a circuit layer, an insulating layer, and a metal base layer.
7. The system of claim 2, wherein a waterproof component is disposed outside the lamp panel, and the waterproof component has a protection rating of IP 65.
8. The system of claim 2, wherein the light source structure frame has a length and a width adjusted according to the area of the lamp panel and the plant cultivation area, and a thickness of not more than 30 mm.
9. The system of claim 8, wherein a side surface of the light source structure frame is provided with an air outlet.
10. The system of claim 1, wherein the analog signal outputted by the programmable logic controller is a dimming voltage signal of 0-10V, so that the digitally controlled LED power supply receives the dimming voltage signal of 0-10V and outputs a current intensity of 0-100%.
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| CN202110663046.1A CN113573434A (en) | 2021-06-15 | 2021-06-15 | Plant lighting system capable of adjusting spectrum light intensity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114431027A (en) * | 2022-01-21 | 2022-05-06 | 中国人民解放军63919部队 | Light source system applied to on-orbit plant cultivation |
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Application publication date: 20211029 |