WO2021023022A1 - Appareil d'éclairage pour la croissance de plantes ayant une sécurité visuelle élevée et procédé de commande associé - Google Patents

Appareil d'éclairage pour la croissance de plantes ayant une sécurité visuelle élevée et procédé de commande associé Download PDF

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Publication number
WO2021023022A1
WO2021023022A1 PCT/CN2020/104292 CN2020104292W WO2021023022A1 WO 2021023022 A1 WO2021023022 A1 WO 2021023022A1 CN 2020104292 W CN2020104292 W CN 2020104292W WO 2021023022 A1 WO2021023022 A1 WO 2021023022A1
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Prior art keywords
light source
light
source part
plant growth
lighting device
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PCT/CN2020/104292
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English (en)
Chinese (zh)
Inventor
李许可
潘翔
潘皖瑜
Original Assignee
潘皖瑜
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Priority claimed from CN201910725111.1A external-priority patent/CN112437525A/zh
Priority claimed from CN201910725336.7A external-priority patent/CN112344229A/zh
Priority claimed from CN201910725119.8A external-priority patent/CN112425401A/zh
Application filed by 潘皖瑜 filed Critical 潘皖瑜
Publication of WO2021023022A1 publication Critical patent/WO2021023022A1/fr

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • 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
    • A01G9/20—Forcing-frames; Lights, i.e. glass panels covering the forcing-frames
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction

Definitions

  • the present invention relates to a plant growth lighting device and a control method thereof, in particular to a plant growth lighting device and a control method thereof that provide workers in a plant lighting environment with high visual safety.
  • blue light B e.g. 460nm
  • red light R e.g. 660nm
  • far-red light FR e.g. 730nm
  • blue light is the most harmful to human eyesight.
  • Macular disease caused by blue light has become the most concerned issue of LED lighting.
  • blindness caused by macular disease ranks first, surpassing cataracts. It is the most important factor causing poor vision. Therefore, how to reduce the impact of blue light on workers is an urgent problem to be solved.
  • blue and red light are the main types of light absorbed by plants, and other wavelengths of light also have a beneficial effect on plant growth.
  • a low proportion of green light can promote the growth of lettuce, specifically based on red and blue light.
  • Adding 24% of green light can promote the growth of lettuce. Therefore, it is also very necessary to fill some other lights on the basis of red and blue light.
  • the white light contains other components such as red and blue light and green light, adding white light on the basis of red and blue light and adjusting its light quality ratio can adjust the spectrum of the entire lighting environment with low cost and high efficiency.
  • the present invention adopts the following technical solutions.
  • a plant growth lighting device with high visual safety comprising a control part and a light-emitting part, wherein,
  • the light emitting part includes a first light source part and a second light source part, the first light source part emits red and blue light, and the second light source part emits white light,
  • the control unit respectively controls the first light source unit and the second light source unit.
  • the blue light component emitted by the first light source part has a luminous peak within a wavelength range of 400-480 nm, which corresponds to the absorption peak of the blue light domain of chlorophyll,
  • the wavelength of the red light component emitted by the first light source part is in the range of 600 to 700 nm
  • the ratio of the effective light quantum flux density of the red light and the blue light emitted by the first light source part, that is, R/B, is in the range of 5:1-10:1.
  • the first light source unit includes a solid light emitting chip and a coating layer arranged on the outside of the solid light emitting chip, and the coating layer contains the excitation light that can absorb the excitation light emitted by the solid light emitting chip to convert to emit red light.
  • the red light phosphor powder is used to realize the light source with the dominant wavelength of red and blue light through the solid light emitting chip.
  • it further includes a timer that sets a time period for the first light source part and the second light source part to perform irradiation operations, and the control part controls the first light source part according to the time period set by the timer A light source part and a second light source part, wherein the timer is set to: the first light source part irradiates with a cumulative irradiance time of 10-16h.
  • the light quantum flux density of the first light source part and the light intensity of the second light source part are adjusted by adjusting the PWM waveform and the duty ratio of the current.
  • the ratio of the light quantum flux density of the red light and the blue light of the first light source part is fixed;
  • the number and color temperature of the second light source part are changed to adjust the spectral ratio of the lighting device suitable for plant growth.
  • the light quantum flux density of the yellow and green light of the second light source part does not exceed 40% of the total effective light quantum flux density of the first light source part and the second light source part of the lighting device.
  • the color temperature of the second light source part is 2000-10000K, and the light intensity in the irradiated plant canopy is above 100lux;
  • the ratio of the red light and blue light of the plant growth lighting device in the overall effective light quantum flow density is adjusted.
  • An input and output unit that implements data and information input to the high visual safety plant growth lighting device and output from the high visual safety plant growth lighting device to the outside;
  • Data storage department which stores relevant data for retrieval and use at any time
  • An arithmetic unit which uses the data acquired by the input and output unit or the data stored in the data storage unit to perform correlation operations, and the correlation operations include analog operations;
  • the high visual safety plant growth lighting device obtains the type of plant, the growth stage of the plant, and specific information through the input and output unit or the data storage unit, wherein the specific information includes the total effective light quantum flux density suitable for the growth of the plant , One or more of red or blue light quantum flow density ratio data, and green light quantum flow density demand data;
  • the control unit simulates and constructs a lighting environment consistent with or close to the lighting environment of the specific information through the calculation unit according to the specific information of the plant, so as to control the first light source and the lighting environment according to the simulated result. Mentioned second light source part.
  • the input data related to the plant includes: plant species, plant growth stage, and optimal lighting environment parameters at this growth stage,
  • the illumination environment includes light quantum flow density ratio, total effective light quantum flow density, and illumination time;
  • the light quantum flow density ratio of blue light and red light can be adjusted by the control unit according to plant species and plant growth stage.
  • the simulation construction adopted by the arithmetic unit adopts working current and photosynthetic effective quantum current density modeling, including the light quantum current density variation range of the blue light and red light of the first light source unit under different working currents per unit time and the first The variation range of the light quantum flow density of blue light, red light and green light in the second light source part;
  • the simulated results include the combination of whether each solid-state light-emitting light source is energized and lit according to the installation position and number of the solid-state light-emitting light sources in the first light source part and the second light source part, the energized current, and the energized time. One or more.
  • the first light source part when it senses that a person enters the light environment.
  • the human body sensing unit further transmits a signal to the control unit, and the control unit adjusts the light intensity of the second light source unit to below 1000 lux.
  • the human body induction part adopts infrared induction, voice control induction or microwave induction to sense the human body entering the light environment.
  • a method for controlling a plant growth lighting device with high visual safety includes the following steps:
  • control part controls the first light source part and the second light source part to turn on;
  • the control unit controls the operation of the first light source unit and the second light source unit according to the illumination parameters
  • the control part controls the first light source part and the second light source part to turn off.
  • the human body sensing part senses whether the human body enters the light environment.
  • the control part controls the first light source part to turn off, and when the human body enters the light environment And after leaving the light environment, the control unit controls the first light source unit to turn on.
  • a plant growth lighting device with high visual safety comprising a control part and a light-emitting part, wherein the light-emitting part comprises a first light source part and a second light source part, the first light source part emits red and blue light, and the second light source Ministry emits white light,
  • first light source part and the second light source part are connected in parallel and/or in series, and
  • the control unit controls the first light source unit and the second light source unit in the following manner, that is, the control unit regulates the overall spectrum by controlling the color temperature and the number of turns on of the second light source unit .
  • it also includes a driving element and a heat dissipation element.
  • the plant growth lighting device with high visual safety can be used in facility agriculture, artificial climate room or light incubator.
  • a high-vision safety plant growth lighting device based on biometrics including a control part and a light-emitting part, wherein,
  • the light emitting part includes a first light source part and a second light source part, the first light source part emits red and blue light, and the second light source part emits white light;
  • the control unit includes a controller, and a photosensitive sensor, a temperature sensor, an infrared biometric device, an ultrasonic biometric device, a voice biometric device, an iris biometric device, and/or a face biometric device.
  • the controller is based on the photosensitive sensor , Temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device, and/or face biometric device detect data, compare the first light source unit and the second light source unit Control separately.
  • the blue light component emitted by the first light source part has a luminous peak within a wavelength range of 380 to 480 nm, which corresponds to the absorption peak of the blue light domain of chlorophyll,
  • the wavelength of the red light component emitted by the first light source part is in the range of 600 to 700 nm
  • the effective light quantum ratio of the red light and the blue light emitted by the first light source part, that is, R/B, is in the range of 4:1-10:1.
  • the first light source unit includes a solid light emitting chip and a coating layer arranged on the outside of the solid light emitting chip, and the coating layer contains the excitation light that can absorb the excitation light emitted by the solid light emitting chip to convert to emit red light.
  • the red light phosphor powder is used to realize the light source with the dominant wavelength of red and blue light through the solid light emitting chip.
  • it further includes a timer that sets a time period for the first light source part and the second light source part to perform irradiation operations, and the control part controls the first light source part according to the time period set by the timer A light source part and a second light source part, wherein the timer is set to irradiate the first light source part and/or the second light source part with a cumulative irradiance time of 10-16h.
  • the light quantum flux density of the first light source part and the light intensity of the second light source part are adjusted by adjusting the PWM waveform and the duty ratio of the current.
  • the light quantum ratio of the red light and the blue light of the first light source part is fixed
  • the number and color temperature of the second light source part are changed to adjust the spectral ratio of the lighting device suitable for plant growth.
  • the light quantum flux density of the yellow and green light of the second light source part does not exceed 30% of the total effective light quantum flux density of the first light source part and the second light source part of the lighting device.
  • the color temperature of the second light source part is 2000-10000K, and the light intensity in the irradiated plant canopy is above 100lux;
  • the ratio of the red light and blue light of the plant growth lighting device in the overall effective light quantum flow density is adjusted.
  • the photosensitive sensor is used to detect the intensity of external light, and send the detected external light intensity data to the controller, and the controller controls when the intensity of the external light is greater than a preset threshold The first light source part and the second light source part are closed.
  • the temperature sensor is used to detect the internal temperature of the plant production facility, and send the detected internal temperature data of the plant production facility to the controller, where the internal temperature of the plant production facility is greater than a preset value.
  • the upper limit is set, reduce the emission power of the first light source part and/or the second light source part; when the internal temperature of the plant production facility is lower than the preset lower limit, increase the first light source part and/or the second light source part Department of transmit power.
  • the infrared biometric identification device emits infrared rays and receives the infrared signal reflected by the human body, and transmits the infrared signal reflected by the human body to the controller, which is based on the infrared signal detected by the infrared biometric device Signal to determine whether there are workers in the plant production facility, and control the first light source part and/or the second light source part to turn on and/or off according to the judgment result;
  • the ultrasonic biometric device detects the location of the worker in real time, and transmits the location information of the worker to the controller.
  • the controller controls the first location near the worker based on the location information of the worker detected by the ultrasonic biometric device.
  • the light source part and/or the second light source part are closed;
  • the sound biometric device is used to receive the sound in the plant production facility, and transmit the detected sound signal to the controller.
  • the controller judges whether there is an operator in the plant production facility according to the decibel value in the plant production facility, And controlling the turning on and/or turning off of the first light source part and/or the second light source part according to the sound signal detected by the sound biometric identification device;
  • the iris biometric device detects the iris information of the human eye, and transmits the collected iris signal to the controller, and the controller controls the first light source unit and the iris information of the human eye detected by the iris biometric device. / Or turning on and/or turning off the second light source part;
  • the face biometric recognition device detects the image information of the workers in the plant production facility, and transmits the collected image information to the controller, which is based on the image information of the workers detected by the face biometric device , Controlling the first light source part and/or the second light source part to turn on and/or off.
  • the photosensitive sensor, temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device and/or face biometric device are all connected to the controller through an AD converter,
  • the voice biometric device is directly connected to the IO port of the controller.
  • controller is connected to a control device through a GPIO interface, and the control device is connected to the first light source part and the second light source part.
  • a method for controlling a plant growth lighting device with high visual safety based on biometrics includes the following steps:
  • control part controls the first light source part and the second light source part to turn on;
  • the control unit controls the operation of the first light source unit and the second light source unit according to the illumination parameters
  • the control part controls the first light source part and the second light source part to turn off.
  • the control part controls the first light source part to turn off.
  • the control unit controls the first light source unit to turn on.
  • a plant growth lighting device with high visual safety based on biometrics including a control part and a light-emitting part, wherein,
  • the light-emitting part includes a first light source part and a second light source part, the first light source part emits red and blue light, and the second light source part emits white light,
  • first light source part and the second light source part are circuit connected in parallel or in series
  • the control unit controls the first light source unit and the second light source unit in the following manner, that is, the control unit regulates the overall spectrum by controlling the color temperature and the number of turns on of the second light source unit .
  • it also includes a driving element and a heat dissipation element.
  • biometric-based high-visual safety plant growth lighting device can be used in facility agriculture, artificial climate room or light incubator.
  • a server-based plant growth lighting device with high visual safety is provided.
  • the light emitting part includes a first light source part and a second light source part, the first light source part emits red and blue light, and the second light source part emits white light;
  • the control unit is connected to the server, and is used to receive instructions from the server to control the first light source unit and the second light source unit respectively.
  • server and the controller are connected by wired communication or wireless communication.
  • the server uses the photosensitive sensor, temperature sensor, infrared biometric device, an ultrasonic biometric device, a voice biometric device, an iris biometric device, and/or a face biometric device.
  • the server uses the photosensitive sensor, temperature sensor, infrared
  • the data detected by the biometric device, ultrasonic biometric device, voice biometric device, iris biometric device, and/or facial biometric device sends instructions to the control unit.
  • the blue light component emitted by the first light source part has a luminous peak within a wavelength range of 380 to 480 nm, which corresponds to the absorption peak of the blue light domain of chlorophyll,
  • the wavelength of the red light component emitted by the first light source part is in the range of 600 to 700 nm
  • the ratio of the effective light quantum flux density of the red light and the blue light emitted by the first light source part, that is, R/B, is in the range of 4:1-10:1.
  • the first light source unit includes a solid light emitting chip and a coating layer arranged on the outside of the solid light emitting chip, and the coating layer contains the excitation light that can absorb the excitation light emitted by the solid light emitting chip to convert to emit red light.
  • the red light phosphor powder is used to realize the light source with the dominant wavelength of red and blue light through the solid light emitting chip.
  • the timer sets a time period for the first light source part and the second light source part to perform the irradiation action
  • the server sends to the controller according to the time period set by the timer Instructions, the controller controls the first light source part and the second light source part according to the instructions sent by the server, wherein the timer is set to: the first light source part and/or the second light source part Irradiate with 10-16h cumulative radiation illuminance time.
  • the light quantum flux density of the first light source part and the light intensity of the second light source part are adjusted by adjusting the PWM waveform and the duty ratio of the current.
  • the ratio of the light quantum flux density of the red light and the blue light of the first light source part is fixed;
  • the number and color temperature of the second light source part are changed to adjust the spectral ratio of the lighting device suitable for plant growth.
  • the light quantum flux density of the yellow and green light of the second light source part does not exceed 30% of the total effective light quantum flux density of the first light source part and the second light source part of the lighting device.
  • the color temperature of the second light source part is 2000-10000K, and the light intensity in the irradiated plant canopy is above 100lux;
  • the ratio of the red light and blue light of the plant growth lighting device in the overall effective light quantum flow density is adjusted.
  • the photosensitive sensor is used to detect the intensity of external light, and send the detected external light intensity data to the server.
  • the controller sends instructions to the controller to control the first light source part and/or the second light source part to turn off according to the instructions sent by the server;
  • the server sends an instruction to the controller when the intensity of external light is less than a preset lower threshold,
  • the controller controls the first light source part and/or the second light source part to turn on according to an instruction sent by the server.
  • the temperature sensor is used to detect the internal temperature of the plant production facility, and send the detected internal temperature data of the plant production facility to the server, where the internal temperature of the plant production facility is greater than a preset upper limit
  • the controller sends a power-down instruction to the controller, and the controller adjusts the transmit power of the first light source part and/or the second light source part according to the power-down instruction sent by the server;
  • the internal temperature of the plant production facility is lower than the preset lower limit, it sends an instruction to increase the power to the controller, and the controller increases the first light source unit and/or according to the instruction to increase the power sent by the server The emission power of the second light source section.
  • the infrared biometric device emits infrared rays and receives the infrared signal reflected by the human body, and transmits the infrared signal reflected by the human body to the server, and the server judges according to the signal detected by the infrared biometric device Whether there is an operator in the plant production facility, and according to the judgment result, issue an instruction to the controller, and the controller controls the first light source part and/or the second light source part to turn on and/or off according to the instruction;
  • the ultrasonic biometric device detects the location of the worker in real time, and transmits the location information of the worker to the server, and the server sends instructions to the controller according to the location information of the worker detected by the ultrasonic biometric device.
  • the controller controls the first light source part and/or the second light source part near the operator to turn off according to the instruction sent by the server;
  • the sound biometric device is used to receive the sound in the plant production facility and transmit the detected sound signal to the server, and the server judges whether there is an operator in the plant production facility according to the decibel value in the plant production facility, And sending an instruction to the controller according to the judgment result, and the controller controls the turning on and/or turning off of the first light source part and/or the second light source part according to the instructions sent by the server and the instructions sent by the server;
  • the iris biometric device detects the iris information of the human eye, and transmits the collected iris signal to the server, and the server sends an instruction to the controller according to the iris information of the human eye detected by the iris biometric device.
  • the controller controls the first light source part and/or the second light source part to turn on and/or turn off according to the instructions sent by the server;
  • the face biometric device detects the image information of the workers in the plant production facility, and transmits the collected image information to the server, and the server controls the image information of the workers detected by the face biometric device.
  • the controller sends instructions, and the controller controls the first light source part and/or the second light source part to turn on and/or off according to the instructions sent by the server.
  • the photosensitive sensor, temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device and/or face biometric device are all connected to the server through an AD converter, so The voice biometric device is directly connected to the IO port of the server.
  • controller is connected to a control device through a GPIO interface, and the control device is connected to the first light source part and the second light source part.
  • a server-based control method of a plant growth lighting device with high visual safety includes the following steps:
  • control part controls the first light source part and the second light source part to turn on;
  • the control unit controls the operation of the first light source unit and the second light source unit according to the illumination parameters
  • the control part controls the first light source part and the second light source part to turn off.
  • the control part controls the first light source part to turn off.
  • the control unit controls the first light source unit to turn on.
  • a server-based plant growth lighting device with high visual safety including a control part, a light-emitting part and a server, wherein:
  • the light-emitting part includes a first light source part and a second light source part, the first light source part emits red and blue light, and the second light source part emits white light,
  • first light source part and the second light source part are connected in parallel and/or in series, and
  • the control unit controls the first light source unit and the second light source unit in the following manner. That is, the control unit controls the color temperature and the number of switches on the second light source unit according to the server's instruction. Take control to regulate the overall spectrum.
  • it also includes a driving element and a heat dissipation element.
  • server-based high-visual safety plant growth lighting device can be used in facility agriculture, artificial climate room or light incubator.
  • the invention can adjust the blue light irradiation through the combination and control of the first light source part and the second light source part, thereby protecting the visual safety of people working in the plant lighting environment; at the same time, white light is used to supplement green light and other components to further improve the spectrum Rich, thereby creating an environment more conducive to plant growth.
  • Figure 1 is a structural block diagram of the plant growth lighting device with high visual safety of the present invention
  • FIG. 2 is a schematic diagram of the structure of the high visual safety plant growth lighting device of the present invention.
  • Figure 3 is a flow chart of the control method of the high visual safety plant growth lighting device of the present invention.
  • Fig. 4 is a flow chart of the control method of the high visual safety plant growth lighting device of the present invention.
  • This embodiment provides a high visual safety plant growth lighting device, which includes a control part and a light emitting part, wherein the light emitting part includes a first light source part and a second light source part, and the first light source part emits red and blue light The second light source part emits white light, and the control part controls the first light source part and the second light source part respectively.
  • the first light source part and the second light source part are connected in parallel and/or in series, and the control part performs circuit connection on the first light source part and the second light source part in the following manner Control, that is, the control unit regulates the overall spectrum by controlling the color temperature and the number of turns on of the second light source unit.
  • blue light is the most harmful to people, and this situation is a common blue light hazard.
  • the blue light hazard refers to the photochemical action caused by radiation with a wavelength between 400nm and 500nm, which leads to retinal damage. If the irradiation time exceeds 10s, this damage will be aggravated. Therefore, in actual production, full attention should be paid to the blue light hazards.
  • the first light source part and the second light source part through the arrangement of the first light source part and the second light source part, on the one hand, the demand for light components during the growth of plants can be met, and on the other hand, the first light source part and the second light source part
  • the control of can make the damage to the human body caused by the blue light emitted by the first light source part to fall within the design value.
  • the blue light component emitted by the first light source part has a luminous peak within a wavelength range of 400-480 nm, which corresponds to the absorption peak of the blue light domain of chlorophyll; the red light component emitted by the first light source part
  • the wavelength of is in the range of 600-700 nm, and the effective photon flux density ratio of the red light and blue light emitted by the first light source part, that is, R/B, is in the range of 5:1-10:1.
  • the single fruit of strawberry can be made The quality and fruit quality have been greatly improved.
  • the average single fruit quality has increased by about 40% compared to conventional sunlight; the soluble solid content of ripe strawberry fruits has increased by the largest 15%; based on the vitamin C content of ripe strawberry fruit, the maximum increase is 10%; based on the soluble sugar content of ripe strawberry fruit, the maximum increase is 4.5%.
  • the first light source part includes a solid light emitting chip, and a coating layer disposed on the outside of the solid light emitting chip, and the coating layer contains excitation light that can absorb the excitation light emitted by the solid light emitting chip.
  • Convert the red phosphor that emits red light so as to realize the photosynthetic solid light-emitting chip with the dominant wavelength of red and blue light through the solid-state light-emitting chip; preferably, the solid light-emitting chip can be a blue solid light-emitting chip, so that a low-cost
  • the blue solid light emitting chip realizes the generation of blue and red light, which saves the expenditure of the solid light emitting chip.
  • the second light source part is a solid light emitting chip and a coating layer provided on the outside of the solid light emitting chip, and the coating layer contains yellow-green fluorescent light that can absorb excitation light emitted by the solid light-emitting chip and convert white light. powder.
  • the high visual safety plant growth lighting device further includes a timer that sets a time period for the first light source part and the second light source part to perform the irradiation operation, and during the time period, the control part controls The first light source part and the second light source part are turned on so that the plant can receive light irradiation within a prescribed time period, and preferably, the timer is set to: -16h/day of cumulative irradiance time for irradiation, so that the power of the first light source part and the second light source part can be turned off when there is sufficient sunlight during the day to save energy.
  • the light quantum flow density of the first light source part and the light intensity of the second light source part can be adjusted by adjusting the PWM waveform and duty cycle of the current; when the first light source part After being determined, the light quantum flow density ratio of red light and blue light is fixed.
  • the light quantum flux ratio of red light and blue light can be adjusted by adjusting the quality of the red phosphor powder, and the first light source part includes different numbers
  • the light quantum flux density of the yellow and green light in the part does not exceed 40% of the total effective light quantum flux density of the first light source part and the second light source part of the illumination device.
  • the color temperature of the second light source part is 2000-10000K, preferably 3000K, 5000K or 7000K, that is to say, the control part can adjust the color temperature of the second light source part, and can also control the The number of second light sources connected to regulate the overall spectrum.
  • the light intensity in the irradiated plant canopy is above 100 lux, and the ratio of the red light and blue light of the plant growth lighting device to the overall effective light quantum flux density is adjusted by selecting different color temperatures and numbers of the second light source parts .
  • the high visual safety plant growth lighting device in order to enable the control unit to more accurately control the first light source unit and the second light source unit, the high visual safety plant growth lighting device further includes an input and output unit, a data storage unit, and a computing unit.
  • the input and output unit implements the input of data and information to the high visual safety plant growth lighting device and the output from the high visual safety plant growth lighting device to the outside;
  • the data storage department stores relevant data for retrieval and use at any time
  • the arithmetic unit uses the data acquired by the input and output unit or the data stored in the data storage unit to perform correlation operations, and the correlation operations include analog operations;
  • the high visual safety plant growth lighting device obtains the type of plant, the growth stage of the plant and specific information through the input and output part or the data storage part, wherein the specific information includes the total effective light quantum flux density suitable for the growth of the plant, One or more of red or blue light quantum flow density ratio data and green light quantum flow density demand data;
  • the control unit simulates and constructs a lighting environment consistent with or close to the lighting environment of the specific information through the calculation unit according to the specific information of the plant, so as to control the first light source unit and the lighting environment according to the simulated result.
  • the second light source part The second light source part.
  • the input data related to plants includes: plant species, plant growth stage, and optimal lighting environment parameters at this growth stage,
  • the illumination environment includes light quantum flow density ratio, total effective light quantum flow density, and illumination time,
  • the light quantum flow density ratio of blue light and red light can be adjusted by the control unit according to plant species and plant growth stage.
  • the simulation construction adopted by the arithmetic unit adopts working current and photosynthetic effective quantum current density modeling, including the light quantum current density variation range of the first light source unit blue and red light under different working currents per unit time and the second light source unit The range of light quantum flow density of blue, red, and green light,
  • the simulated results include the combination of whether each solid-state light-emitting light source is energized and lit according to the installation position and number of the solid-state light-emitting light sources in the first light source part and the second light source part, the energized current, and the energized time. One or more.
  • the high visual safety plant growth lighting device of this embodiment may further include a human body sensing part that turns off the first light source part when it senses that a person enters the lighting environment.
  • the human body sensing part further transmits a signal to the control part, and the control part adjusts the light intensity of the second light source part to below 1000 lux (or 200 lux). -800lux).
  • the human body induction part adopts infrared induction, voice control induction or microwave induction to sense and identify whether the human body enters the light environment.
  • the plant growth lighting device with high visual safety further includes a driving element and a heat dissipation element, the driving element is used to drive the first light source part and the second light source part, and the heat dissipation element is used to control the first light source part. And the second light source part to dissipate heat.
  • the high visual safety plant growth lighting device can be used in facility agriculture, artificial climate chambers or light incubators.
  • This embodiment provides a method for controlling a plant growth lighting device with high visual safety.
  • the plant growth lighting device with high visual safety can adopt the high visual safety plant growth lighting device disclosed in the embodiment, which includes:
  • control part controls the first light source part and the second light source part to turn on;
  • the control unit controls the operation of the first light source unit and the second light source unit according to the illumination parameters
  • the control part controls the first light source part and the second light source part to turn off.
  • the human body sensing part senses whether the human body enters the light environment.
  • the control part controls the first light source part to turn off, and when the human body enters the light environment And after leaving the light environment, the control unit controls the first light source unit to turn on.
  • This embodiment provides a biometric-based high-visual safety plant growth lighting device, which includes a control part and a light-emitting part, wherein the light-emitting part includes a first light source part and a second light source part, and the first light source Part emits red and blue light, the second light source part emits white light, the control part includes a controller, and a photosensitive sensor, a temperature sensor, an infrared biometric device, an ultrasonic biometric device, a voice biometric device, an iris biometric device, and/ Or a face biometric device, the controller based on the data detected by the photosensitive sensor, temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device and/or face biometric device, The first light source part and the second light source part are separately controlled.
  • the first light source part and the second light source part are connected in parallel and/or in series, and the control part performs circuit connection on the first light source part and the second light source part in the following manner Control, that is, the control unit regulates the overall spectrum by controlling the color temperature and the number of turns on of the second light source unit.
  • the photosensitive sensor, temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device and/or face biometric device are all connected to the controller through an AD converter, and the voice The biometric device is directly connected to the IO port of the controller.
  • blue light is the most harmful to people, and this situation is a common blue light hazard.
  • the blue light hazard refers to the photochemical action caused by radiation with a wavelength between 400nm and 500nm, which leads to retinal damage. If the irradiation time exceeds 10s, this damage will be aggravated. Therefore, in actual production, full attention should be paid to the blue light hazards.
  • the first light source part and the second light source part through the arrangement of the first light source part and the second light source part, on the one hand, the demand for light components during the growth of plants can be met, and on the other hand, the first light source part and the second light source part
  • the control of can make the damage to the human body caused by the blue light emitted by the first light source part to fall within the design value.
  • the blue light component emitted by the first light source part has a luminous peak within a wavelength range of 380 to 480 nm, which corresponds to the absorption peak of the blue light domain of chlorophyll; the red light component emitted by the first light source part
  • the wavelength of is in the range of 600-700 nm, and the effective photon ratio of the red light and blue light emitted by the first light source part, that is, R/B, is in the range of 4:1-10:1.
  • the quality of each strawberry can be improved. And the fruit quality has been greatly improved.
  • the average single fruit quality has increased by about 40%; the soluble solid content of the ripe strawberry fruit has increased by 15%. %; Calculated by the vitamin C content of the ripe strawberry fruit, the maximum increase is 10%; Calculated by the soluble sugar content of the ripe strawberry fruit, the maximum increase is 4.5%.
  • the first light source part includes a solid light emitting chip, and a coating layer disposed on the outside of the solid light emitting chip, and the coating layer contains excitation light that can absorb the excitation light emitted by the solid light emitting chip.
  • Convert the red phosphor that emits red light so as to realize the photosynthetic solid light-emitting chip with the dominant wavelength of red and blue light through the solid light-emitting chip; preferably, the solid light-emitting chip can be a blue LED chip, so that a low-cost blue light can be used.
  • the chip realizes the occurrence of blue and red light, which saves the expenditure of the LED chip.
  • the second light source part is a solid light emitting chip and a coating layer provided on the outside of the solid light emitting chip, and the coating layer contains yellow-green fluorescent light that can absorb excitation light emitted by the solid light-emitting chip and convert white light. powder.
  • the biometrics-based high-visual safety plant growth lighting device further includes a timer that sets a time period for the first light source part and the second light source part to perform the irradiation action, and within the time period
  • the control unit controls the first light source unit and the second light source unit to light up, so that the plant can receive light irradiation within a prescribed time period, and preferably, the timer is set to: the first The light source unit and/or the second light source unit are irradiated with a cumulative irradiance time of 10-16h/day, or irradiate according to a predetermined time, so that the power of the first light source unit and the second light source unit can be turned off when the daylight is sufficient To save energy.
  • the light quantum flow density of the first light source part and the light intensity of the second light source part can be adjusted by adjusting the PWM waveform and duty cycle of the current; when the first light source part After being determined, the light quantum ratio of red light and blue light is fixed.
  • the light quantum ratio of red light and blue light can be adjusted by adjusting the quality of the red phosphor, and the first light source part includes different numbers and color temperatures.
  • the second light source part of the white light LED light source so that the light irradiated to plants includes white light, so that the spectral ratio of the lighting device suitable for plant growth can be adjusted more conveniently; and more preferably, the yellow-green light of the second light source part
  • the light quantum flow density of does not exceed 30% of the total effective light quantum flow density of the first light source part and the second light source part of the illumination device.
  • the color temperature of the second light source part is 2000-10000K, preferably 3000K, 5000K or 7000K, that is to say, the control part can adjust the color temperature of the second light source part, and can also control the The number of second light sources connected to regulate the overall spectrum.
  • the light intensity in the irradiated plant canopy is above 100 lux, and the ratio of the red light and blue light of the plant growth lighting device to the overall effective light quantum flux density is adjusted by selecting different color temperatures and numbers of the second light source parts .
  • the photosensitive sensor is used to detect the intensity of external light and send the detected external light intensity data
  • the controller controls the first light source part and the second light source part to turn off when the intensity of the external light is greater than the preset upper threshold value, and when the controller is the intensity of the external light less than the preset lower threshold value
  • the first light source part and the second light source part are controlled to turn on.
  • the temperature sensor is used to detect the internal temperature of the plant production facility, and send the detected internal temperature data of the plant production facility to the controller, where the internal temperature of the plant production facility is greater than a preset upper limit When the emission power of the first light source part and/or the second light source part is lowered; when the internal temperature of the plant production facility is lower than the preset lower limit, increase the emission power of the first light source part and/or the second light source part power.
  • the infrared biometric device of this embodiment emits infrared rays and receives infrared signals reflected by the human body, and the infrared biometric device emits infrared rays and receives infrared rays reflected by the human body. Infrared signal, and transmit the infrared signal reflected by the human body to the controller.
  • the controller judges whether there are workers in the plant production facility according to the signal detected by the infrared biometric device, and controls the first The light source part and/or the second light source part are turned on and/or turned off; that is, when there is an operator inside the plant production facility, the controller controls the first light source part to turn off, or controls the first light source part and the second light source part to turn off; when When there is no worker in the plant production facility, the controller controls the switch of the first light source unit, or controls the first light source unit and the second light source unit to turn on.
  • the ultrasonic biometric device detects the location of the worker in real time, and transmits the location information of the worker to the controller.
  • the controller controls the first location near the worker based on the location information of the worker detected by the ultrasonic biometric device.
  • the light source part and/or the second light source part are turned off; that is, when there is an operator inside the plant production facility, the controller controls the first light source part near the operator to turn off, or controls the first light source part and the second light source near the operator When there is no operator in the plant production facility, the controller controls the switch of the first light source part, or controls the first light source part and the second light source part to turn on.
  • the sound biometric device is used to receive the sound in the plant production facility, and transmit the detected sound signal to the controller.
  • the controller judges whether there is an operator in the plant production facility according to the decibel value in the plant production facility, And according to the sound signal detected by the sound biometric device to control the first light source part and/or the second light source part to turn on and/or off; that is, when there are workers in the plant production facility, the controller controls the first light source When there are no workers in the plant production facility, the controller controls the first light source to switch, or controls the first and second light sources to turn on.
  • the iris biometric device detects the iris information of the human eye, thereby judging whether there is an operator in the plant production setting, and transmits the information about whether there is an operator in the plant production facility to the controller, and the controller is based on the The information transmitted by the iris biometric device controls the first light source part and/or the second light source part to turn on and/or off; that is, when there are workers in the plant production facility, the controller controls the first light source part to turn off, or controls The first light source part and the second light source part are turned off; when there is no operator in the plant production facility, the controller controls the first light source part to switch, or controls the first light source part and the second light source part to turn on.
  • the face biometric device detects the image information of the workers in the plant production facility, thereby judging whether there are workers in the plant production setting, and transmits the information on whether there are workers in the plant production facility to the controller,
  • the controller controls the first light source part and/or the second light source part to turn on and/or off according to the image information of the worker detected by the facial biometric recognition device. That is, when there is an operator in the plant production facility, the controller controls the first light source to turn off, or controls the first light source and the second light source to turn off; when there is no operator in the plant production facility, the controller controls the first Switch the light source part, or control the first light source part and the second light source part to turn on.
  • the controller is connected to a control device through a GPIO interface, and the control device is connected to the first light source part and the second light source part.
  • control unit adjusts the light intensity of the second light source unit to below 1000 lux (or between 200-800 lux).
  • the biological recognition-based high-visual safety plant growth lighting device further includes a driving element and a heat dissipation element, the driving element is used to drive the first light source part and the second light source part, and the heat dissipation element is used to The first light source part and the second light source part dissipate heat.
  • the first light emitting part and the second light emitting part include a solid light emitting chip and a circuit board electrically connected to the solid light emitting chip.
  • the solid light emitting element includes a light emitting diode, an organic light emitting diode, and a vertical cavity surface emitting laser , At least one of the laser diodes.
  • the circuit board includes a PCB board, a substrate, a flexible board or a rigid-flex board.
  • the biometric-based high-visual safety plant growth lighting device of the present invention can be used in facility agriculture, artificial climate chambers or light incubators.
  • This embodiment provides a method for controlling a plant growth lighting device with high visual security based on biometrics.
  • the plant growth lighting device with high visual security based on biometrics can adopt the high visual security based on biometrics disclosed in the embodiment.
  • Safety plant growth lighting device which includes:
  • control part controls the first light source part and the second light source part to turn on;
  • the control unit controls the operation of the first light source unit and the second light source unit according to the illumination parameters
  • the control part controls the first light source part and the second light source part to turn off.
  • the control part controls the first light source part to turn off, and when the human body enters the light environment, After the environment leaves, the control unit controls the first light source unit to turn on.
  • This embodiment provides a server-based high-vision safety plant growth lighting device, which includes a control part and a light-emitting part, wherein the light-emitting part includes a first light source part and a second light source part, and the first light source part The second light source part emits red and blue light, and the second light source part emits white light, wherein the control part is connected to the server and is used for receiving instructions from the server to control the first light source part and the second light source part respectively.
  • the server and the controller are connected by wired communication or wireless communication;
  • the server can be a cloud server or a local server, and a communication device that implements wired communication or wireless communication can implement a cloud server Signal transmission (communication) with the controller, or signal transmission (communication) between the local server and the controller.
  • the server-based high-visual security plant growth lighting device further includes a photosensitive sensor, a temperature sensor, an infrared biometric device, an ultrasonic biometric device, a voice biometric device, an iris biometric device, and/or a signal connected to the server Face biometric device, the server controls the data based on the data detected by the photosensitive sensor, temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device and/or face biometric device
  • the controller sends instructions, and at this time, the controller controls the first light source part and the second light source part respectively according to the instructions sent by the server to the controller.
  • the first light source part and the second light source part are connected in parallel and/or in series, and the control part performs circuit connection on the first light source part and the second light source part in the following manner Control, that is, the control unit regulates the overall spectrum by controlling the color temperature and the number of turns on of the second light source unit.
  • blue light is the most harmful to people, and this situation is a common blue light hazard.
  • the blue light hazard refers to the photochemical action caused by radiation with a wavelength between 400nm and 500nm, which leads to retinal damage. If the irradiation time exceeds 10s, this damage will be aggravated. Therefore, in actual production, full attention should be paid to the blue light hazards.
  • the first light source part and the second light source part through the arrangement of the first light source part and the second light source part, on the one hand, the demand for light components during the growth of plants can be met, and on the other hand, the first light source part and the second light source part
  • the control of can make the damage to the human body caused by the blue light emitted by the first light source part to fall within the design value.
  • the blue light component emitted by the first light source part has a luminous peak within a wavelength range of 380 to 480 nm, which corresponds to the absorption peak of the blue light domain of chlorophyll; the red light component emitted by the first light source part
  • the wavelength is in the range of 600-700 nm, and the ratio of the effective light quantum flux density of the red light and the blue light emitted by the first light source part, that is, R/B, is in the range of 4:1-10:1.
  • the first light source part includes a solid light emitting chip, and a coating layer disposed on the outside of the solid light emitting chip, and the coating layer contains excitation light that can absorb the excitation light emitted by the solid light emitting chip.
  • Convert the red phosphor that emits red light so as to realize the photosynthetic solid light-emitting chip with the dominant wavelength of red and blue light through the solid light-emitting chip; preferably, the solid light-emitting chip can be a blue LED chip, so that a low-cost blue light can be used.
  • the chip realizes the occurrence of blue and red light, which saves the expenditure of the LED chip.
  • the second light source part is a solid light emitting chip and a coating layer provided on the outside of the solid light emitting chip, and the coating layer contains yellow-green fluorescent light that can absorb excitation light emitted by the solid light-emitting chip and convert white light. powder.
  • the server-based high-visual safety plant growth lighting device further includes a timer that sets a time period for the first light source part and the second light source part to perform an irradiation operation, and the server is based on the timing Send instructions to the controller according to the instructions sent by the server, and the controller controls the first light source part and the second light source part according to the instructions sent by the server, wherein the timer is set to:
  • the first light source and/or the second light source are irradiated with a cumulative irradiance time of 10-16h/day, or irradiated according to a predetermined time, so that the first light source and the second light source can be turned off when the daylight is sufficient. Power supply to save energy.
  • the light quantum flow density of the first light source part and the light intensity of the second light source part can be adjusted by adjusting the PWM waveform and duty cycle of the current; when the first light source part After being determined, the light quantum flow density ratio of red light and blue light is fixed.
  • the light quantum flux ratio of red light and blue light can be adjusted by adjusting the quality of the red phosphor powder, and the first light source part includes different numbers And the second light source part of the white LED light source with color temperature, thereby making the light irradiated to plants include white light, so that the spectral ratio of the lighting device suitable for plant growth can be adjusted more conveniently; and more preferably, the second light source part
  • the light quantum flow density of the yellow and green light does not exceed 30% of the total effective light quantum flow density of the first light source part and the second light source part of the illumination device.
  • the color temperature of the second light source part is 2000-10000K, preferably 3000K, 5000K or 7000K, that is to say, the control part can adjust the color temperature of the second light source part, and can also control the The number of second light sources connected to regulate the overall spectrum.
  • the light intensity in the irradiated plant canopy is above 100 lux, and the ratio of the red light and blue light of the plant growth lighting device to the overall effective light quantum flux density is adjusted by selecting different color temperatures and numbers of the second light source parts .
  • the photosensitive sensor is used to detect the intensity of external light and send the detected external light intensity data
  • the server when the intensity of the external light is greater than the preset upper threshold, the server sends an instruction to the controller, and the controller controls the first light source part and the second light source part to turn off according to the instructions sent by the server;
  • the server sends an instruction to the controller when the intensity of the external light is less than the preset lower threshold, and the controller controls the first light source part and the second light source part to turn on according to the instructions sent by the server.
  • the temperature sensor is used to detect the internal temperature of the plant production facility and send the detected internal temperature data of the plant production facility to the server.
  • the server Send a power down instruction to the controller, and the controller reduces the transmit power of the first light source part and/or the second light source part according to the power down instruction sent by the server; the server is in a plant production facility
  • the controller sends an instruction to increase the power, and the controller increases the first light source part and/or the second light source according to the power increase instruction sent by the server Department of transmit power.
  • the infrared biometric device of this implementation emits infrared rays and receives the infrared signal reflected by the human body, and transmits the infrared signal reflected by the human body to the server.
  • the server judges whether there is an operator in the plant production facility according to the signal detected by the infrared biometric device, and sends an instruction to the controller according to the judgment result, and the controller controls the first light source part and/or the second light source part to turn on according to the instruction And/or shut down; that is, when there is an operator inside the plant production facility, the controller controls the first light source part to turn off, or controls the first light source part and the second light source part to turn off; when there is no operator in the plant production facility, The controller controls the first light source part to turn on, or controls the first light source part and the second light source part to turn on.
  • the ultrasonic biometric device detects the location of the worker in real time, and transmits the location information of the worker to the server, and the server sends instructions to the controller according to the location information of the worker detected by the ultrasonic biometric device.
  • the controller controls the first light source part and/or the second light source part near the operator to turn on and/or off according to the instructions sent by the server; that is, when there is an operator inside the plant production facility, the controller controls the first light source near the operator
  • the light source part is turned off, and the second light source part and/or the third light source part are turned off; when there are no workers in the plant production facility, the controller controls the first light source part, the second light source part and/or the third light source part to turn on.
  • the sound biometric device is used to receive the sound in the plant production facility and transmit the detected sound signal to the server, and the server judges whether there is an operator in the plant production facility according to the decibel value in the plant production facility, And sending an instruction to the controller according to the judgment result, and the controller controls the turning on and/or turning off of the first light source part and/or the second light source part according to the instructions sent by the server and the instructions sent by the server; That is, when there is an operator inside the plant production facility, the controller controls the first light source part and/or the second light source part to turn off; when there is no operator in the plant production facility, the controller controls the first light source part and/or the second light source part.
  • the second light source is turned on.
  • the iris biometric device detects the iris information of the human eye, and transmits the collected iris signal to the server, and the server sends an instruction to the controller according to the iris information of the human eye detected by the iris biometric device.
  • the controller controls the first light source part and/or the second light source part to turn on and/or off according to the instructions sent by the server; that is, when there are workers in the plant production facility, the controller controls the first light source part and/or the second light source part.
  • the light source part is turned off; when there is no operator in the plant production facility, the controller controls the first light source part and/or the second light source part to turn on.
  • the face biometric device detects the image information of the workers in the plant production facility, and transmits the collected image information to the server, and the server controls the image information of the workers detected by the face biometric device.
  • the controller sends instructions, and the controller controls the first light source part and/or the second light source part to turn on and/or off according to the instructions sent by the server. That is, when there is an operator inside the plant production facility, the controller controls the first light source part and/or the second light source part to turn off; when there is no operator in the plant production facility, the controller controls the first light source part and/or the second light source part.
  • the second light source is turned on.
  • the photosensitive sensor, temperature sensor, infrared biometric device, ultrasonic biometric device, voice biometric device, iris biometric device and/or face biometric device are all connected to the server through an AD converter, and the voice biometric device
  • the identification device is directly connected to the IO port of the server.
  • the controller is connected to a control device through a GPIO interface, and the control device is connected to the first light source part and the second light source part.
  • control unit adjusts the light intensity of the second light source unit to below 1000 lux (or between 200-800 lux).
  • the server-based high visual safety plant growth lighting device further includes a driving element and a heat dissipation element, the driving element is used to drive the first light source part and the second light source part, and the heat dissipation element is used to A light source part and a second light source part dissipate heat.
  • the first light emitting part and the second light emitting part include a solid light emitting chip and a circuit board electrically connected to the solid light emitting chip.
  • the solid light emitting element includes a light emitting diode, an organic light emitting diode, and a vertical cavity surface emitting laser , At least one of the laser diodes.
  • LED in this embodiment should be understood to include any electroluminescent diode or other types of carrier injection-based systems capable of generating radiation in response to electrical signals. Therefore, the term LED includes various semiconductor-based structures, light emitting polymers, organic light emitting diodes (OLED), electroluminescent tapes, etc. that emit light in response to current, but is not limited thereto.
  • an LED does not limit the type of physical and/or electrical packaging of the LED.
  • an LED may refer to a single light emitting device having multiple dies (eg, may or may not be individually controllable) configured to emit different radiation spectra, respectively.
  • the LED may be associated with a phosphor that is considered an integral part of the LED (for example, some types of white LEDs).
  • the term LED can refer to packaged LEDs, non-packaged LEDs, surface mount LEDs, chip-on-board LEDs, T package mounted LEDs, radial packaged LEDs, power packaged LEDs, including some types of packaging and/or optical components (e.g., Diffuse lens) LED, etc.
  • the circuit board includes a PCB board, a substrate, a flexible board or a rigid-flex board.
  • the server-based high visual safety plant growth lighting device of the present invention can be used in facility agriculture, artificial climate room or light incubator.
  • This embodiment provides a method for controlling a server-based high-visual security plant growth lighting device.
  • the server-based high-visual security plant growth lighting device can adopt the server-based high-visual security disclosed in Embodiment 1.
  • Plant growth lighting device which includes:
  • control part controls the first light source part and the second light source part to turn on;
  • the control unit controls the operation of the first light source unit and the second light source unit according to the illumination parameters
  • the control part controls the first light source part and the second light source part to turn off.
  • the control part controls the first light source part to turn off, and when the human body enters the light environment, After the environment leaves, the control unit controls the first light source unit to turn on.

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Abstract

L'invention concerne un appareil d'éclairage pour la croissance de plantes ayant une sécurité visuelle élevée et un procédé de commande associé. L'appareil d'éclairage pour la croissance de plantes ayant une sécurité visuelle élevée comprend une partie de commande et une partie d'émission de lumière ; la partie d'émission de lumière comprend une première partie de source de lumière et une seconde partie de source de lumière ; la première partie de source de lumière émet une lumière rouge et bleue ; la seconde partie de source de lumière émet une lumière blanche ; la partie de commande contrôle séparément la première partie de source de lumière et la seconde partie de source de lumière. La présente invention peut ajuster le rayonnement de la lumière bleue au moyen de la combinaison et de la commande de la première partie de source de lumière et de la seconde partie de source de lumière, ce qui permet de protéger la sécurité visuelle d'un travailleur dans un environnement d'éclairage de plantes; de plus, la présente invention utilise la lumière blanche pour enrichir des composantes comme la lumière verte de façon à enrichir davantage le spectre de lumière, ce qui permet de construire un environnement qui est plus utile pour la croissance des plantes.
PCT/CN2020/104292 2019-08-07 2020-07-24 Appareil d'éclairage pour la croissance de plantes ayant une sécurité visuelle élevée et procédé de commande associé WO2021023022A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN201910725336.7 2019-08-07
CN201910725111.1A CN112437525A (zh) 2019-08-07 2019-08-07 基于服务器的高视觉安全性植物生长光照装置及其控制方法
CN201910725111.1 2019-08-07
CN201910725119.8 2019-08-07
CN201910725336.7A CN112344229A (zh) 2019-08-07 2019-08-07 高视觉安全性植物生长光照装置及其控制方法
CN201910725119.8A CN112425401A (zh) 2019-08-07 2019-08-07 基于生物识别的高视觉安全性植物生长光照装置及其控制方法

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN113883477A (zh) * 2021-09-24 2022-01-04 中国农业科学院都市农业研究所 一种基于后向反射的动植物照明设备、系统及方法
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