CN112432064A - Plant growth illumination device for inhibiting metamorphosis and development of pests and control method thereof - Google Patents
Plant growth illumination device for inhibiting metamorphosis and development of pests and control method thereofDownload PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0471—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor detecting the proximity, the presence or the movement of an object or a person
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
- F21V9/45—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity by adjustment of photoluminescent elements
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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- Cultivation Of Plants (AREA)
Abstract
Description
Technical Field
The present invention relates to a plant growth illumination apparatus and a control method thereof, and more particularly, to a plant growth illumination apparatus for providing workers in a plant lighting environment with a function of suppressing the development of metamorphosis of pests, and a control method thereof.
Background
In the natural environment, plants perform photosynthesis and development and growth by acquiring light components with effective wavelengths in sunlight. However, the natural environment is diverse and has risks of insect damage and the like. Therefore, plant factories that plant plants in closed spaces such as indoor spaces and simulate natural light by artificial lighting lamps have been gradually developed in recent years, and various large enterprises including philips, osram, GE, siemens and the like have entered this field.
Not all of the light of the various wavelengths contained in natural light can be utilized by plants, and essentially only blue and red light can be absorbed by plants. In particular, blue light B (e.g. 460nm) can help the growth of plant roots, with the most significant effect on early plant; the red light R (for example 660nm) is beneficial to the stem and leaf, flowering and fruit growth of plants; far infrared light FR (e.g. 730nm) is useful for controlling plant flowering and in vivo nutrient synthesis. According to the species and the growth stage of the plant, the optimal illumination environment for the plant can be obtained by setting the appropriate wavelengths of the red light and the blue light and the red-blue ratio (B/R) between the red light and the blue light; the ultimate goal is to obtain high and stable yield of plants and high and stable nutritional ingredients, while achieving insect control and other effects.
For example, in "lei xiao et al. effect of different red and blue LED combined light sources on watermelon seedling growth and physiological parameters [ J ]. chinese cucurbita pepo, 2015, 28 (3): the following are described in the documents 14-17 ": for watermelon planting, a fluorescent lamp is used as a reference (the illumination intensity is 150 mu mol. m-2s-1), and the influence of LED combined light sources (7: 1, 7: 2 and 7: 3) with different red light and blue light ratios (R/B) on the growth and physiological parameters of watermelon seedlings under the same illumination intensity is discussed; the results show that the stem renting degree, the fresh quality, the dry quality and the strong seedling index of the watermelon seedlings under the red and blue LED combined light source are all increased, wherein the effects are particularly remarkable under the condition that RB is 7: 3.
Disclosure of Invention
(problem to be solved)
However, the existing LED plant growth lamps are all plant LED growth lamps manufactured by mixing a white light LED light source or a red blue light LED light source or a red, blue and white LED light source. Because the red light has low luminous efficiency, the power of the plant LED growing lamp is high and the cost is increased sharply in order to meet the spectrum and the illumination intensity required by a plant photosynthetic pigment system.
The ratio of the number of red light photons to the number of blue light photons in the spectrum has an important influence on plant configuration and plant height adjustment. Because the total quantity of the red LEDs and the blue LEDs is far more than the quantity of the infrared LEDs, the blue LEDs are difficult to be uniformly distributed in the design of the lamp, and the plants are difficult to be uniformly irradiated.
When the LED plant growth lamp is in the red light and blue light working state, a user who carries out cultivation operation bears psychological burden because the user is in red light and blue light environments for a long time. In addition, in red and blue light environments, it is difficult to determine the growth state of plants and the like by visually observing the colors of plants due to poor visibility, and thus workability and efficiency of plant cultivation are reduced.
(means for solving the problems)
In order to solve the above problems, the present invention adopts the following technical solutions.
A plant growth illumination device for inhibiting metamorphosis and development of pests comprises a control part and a light emitting part, wherein,
the light emitting section includes a first light source section that emits red light and blue light and a second light source section that emits blue light,
the control unit controls the first light source unit and the second light source unit, respectively.
Optionally, the blue light component emitted by the first light source part has a light emission peak within a wavelength range of 400-480 nm, so as to correspond to a blue light domain absorption peak of chlorophyll,
the wavelength of the red light component emitted by the first light source part is in the range of 600-700 nm,
the ratio of the luminous flux density R in the range of 600nm to 700nm emitted by the first light source part to the luminous flux density B in the range of 400nm to 490nm is 4 to 10; the ratio of the light flux density R in the range of 600nm to 700nm emitted by the first light source unit to the light flux density B in the range of 400nm to 490nm emitted by the second light source unit is 3 to 8.
Optionally, the first light source unit includes a solid light emitting chip and a coating layer disposed outside the solid light emitting chip, where the coating layer includes a red phosphor capable of absorbing excitation light emitted by the solid light emitting chip and converting the excitation light into red light, so that a light source with a dominant wavelength of red light and blue light is implemented by the solid light emitting chip;
the second light source part comprises a solid light-emitting chip and a coating layer arranged on the outer side of the solid light-emitting chip, and the coating layer contains blue fluorescent powder which can absorb exciting light emitted by the solid light-emitting chip and convert the exciting light to emit blue light; or the solid light-emitting chip is a GaAlAs or GaAs-based chip emitting blue light.
Optionally, the plant growth illumination device for inhibiting pest metamorphosis development further includes a third light source unit, where the third light source unit includes a solid light emitting chip and a coating layer disposed outside the solid light emitting chip, and the coating layer includes yellow and/or green fluorescent powder capable of absorbing excitation light emitted by the solid light emitting chip to convert the excitation light into white light.
Optionally, the plant growth illumination device for inhibiting metamorphosis of pests further includes a timer, the timer sets a time period for the first light source unit, the second light source unit, and the third light source unit to perform an illumination operation, and the control unit controls the first light source unit, the second light source unit, and the third light source unit according to the time period set by the timer, wherein the timer is set to: the first light source part and the second light source part are irradiated for 10-16h of accumulated radiation illumination intensity time.
Alternatively, the light flux density of the first light source section and the light flux density of the second light source section are adjusted by adjusting a PWM waveform and a duty ratio of a current.
Optionally, the light quantity flux density ratio of the red light and the blue light of the first light source part is fixed;
adjusting the ratio of the luminous flux densities of the red light and the blue light by adjusting the ratio of the first light source part and the second light source part;
the spectral proportion of the illumination device suitable for plant growth is adjusted by changing the number and the color temperature of the third light source parts.
Optionally, the light flux density of the yellow-green light of the third light source unit is not more than 30% of the total effective light flux density of the first light source unit and the second light source unit of the illumination device.
Optionally, the color temperature of the third light source part is 2000-10000K, and the illumination intensity of the radiated plant canopy is above 100 lux;
and the proportion of the red light and the blue light of the plant growth illumination device in the whole effective light quantity sub-flux density is adjusted by selecting the white solid light-emitting light sources of the third light source part with different color temperatures and quantities.
Optionally, the plant growth illumination device for inhibiting the metamorphosis development of pests further comprises:
an input/output unit for inputting data and information to the plant growth illumination device for inhibiting the metamorphosis of pests and outputting the data and information from the plant growth illumination device for inhibiting the metamorphosis of pests to the outside;
a data storage unit for storing the relevant data for use in calling at any time;
a calculation unit that performs a correlation operation including a simulation operation using the data acquired by the input/output unit or the data stored in the data storage unit;
the plant growth illumination device for inhibiting the metamorphosis development of pests acquires the type of the 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 comprises one or more of total effective luminous flux density, red or blue light quantum flux density proportion data and green light luminous flux density demand data suitable for the growth of the plant;
the control unit simulates and constructs an illumination environment that is identical to or close to the illumination environment of the specific information by an operation unit based on the specific information of the plant, and controls the first light source and the second light source unit based on the simulated result.
Optionally, the input data relating to the plant comprises: plant species, plant growth stage, optimal lighting environment parameters at that growth stage,
the illumination environment comprises a light quantity sub-flow density ratio, total effective light quantity sub-flow density and illumination time,
the light flux density ratio of the blue light, the red light and the green light can be adjusted by the control part according to the plant species and the plant growth stage.
Optionally, the simulation structure adopted by the operation unit adopts a working current and photosynthetically active quantum current density modeling, and includes a light quantity sub-current density variation range of blue light and red light of the first light source unit, a light quantity sub-current density variation range of blue light of the second light source unit, and a light quantity sub-current density variation range of blue light, red light, and green light of the third light source unit under different working currents in unit time;
the simulation result includes one or more of the combination of whether each solid-state light-emitting light source is electrified and lighted, the electrified current and the electrified time, which are determined according to the installation positions and the number of the solid-state light-emitting light sources in the first light source part, the second light source part and the third light source part.
Optionally, the plant growth illumination device for inhibiting metamorphosis and development of pests further includes a human body sensing part, which at least turns off the first light source part and the second light source part when sensing that a person enters into an illumination environment.
Optionally, the human body sensing part further transmits a signal to the control part, and the control part adjusts the illumination intensity of the third light source part to be less than 1000 lux.
Optionally, the human body induction part adopts infrared induction, voice control induction or microwave induction to induce the human body to enter the illumination environment.
A control method of a plant growth illumination device for inhibiting the metamorphosis development of pests comprises the following steps:
setting the time and working period for starting illumination, and controlling the first light source part, the second light source part and the third light source part to be started by the control part after the illumination starting time is reached;
judging the irradiated plants, and determining illumination parameters according to the types of the irradiated plants;
the control part controls the first light source part, the second light source part and the third light source part to work according to the illumination parameters;
and judging whether the working time of the first light source part, the second light source part and the third light source part reaches the working time interval or not, and if the working time interval reaches, controlling the first light source part, the second light source part and the third light source part to be closed by the control part.
Optionally, during the working periods of the first light source portion, the second light source portion and the third light source portion, the human body sensing portion senses whether a human body enters the illumination environment, and after the human body enters the illumination environment, the control portion at least controls the first light source portion and the second light source portion to be turned off, and after the human body enters the illumination environment and leaves from the illumination environment, the control portion at least controls the first light source portion and the second light source portion to be turned on.
A plant growth illumination device for inhibiting metamorphosis and development of pests comprises a control part and a light emitting part, wherein,
the light emitting part includes a first light source part emitting red light and blue light, a second light source part emitting blue light, and a third light source part emitting white light,
wherein the first light source part, the second light source part and the third light source part are electrically connected in parallel and/or in series,
the control section controls the third light source section in such a manner that the control section regulates the entire spectrum by controlling the color temperature and the number of turns on of the third light source section.
Optionally, the plant growth illumination device for inhibiting the metamorphosis development of pests further comprises a driving element and a heat dissipation element.
Optionally, the plant growth illumination device for inhibiting the metamorphosis development of pests can be used for facility agriculture, artificial climate rooms or illumination incubators.
(technical Effect)
According to the invention, the irradiation of red light and blue light can be adjusted through the combination and control of the first light source part, the second light source part and the third light source part, so that personnel working in a plant lighting environment are protected; meanwhile, the white light can be used for supplementing green light and other components in the first light source part and the second light source part, so that the spectrum is further enriched, and an environment which is more favorable for plant growth is created.
Drawings
FIG. 1 is a block diagram of the structure of the plant growth illumination device for inhibiting the metamorphosis development of pests;
FIG. 2 is a schematic view of the structure of the plant growth illumination device for inhibiting the metamorphosis development of pests according to the present invention;
FIG. 3 is a flow chart of the control method of the plant growth illumination device for inhibiting the metamorphosis development of pests according to the present invention;
fig. 4 is a flowchart of a control method of the plant growth illumination device for inhibiting the metamorphosis development of pests according to the present invention.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.
Example 1
The embodiment provides a plant growth illumination device for inhibiting metamorphosis and development of pests, which comprises a control part and a light emitting part, wherein the light emitting part comprises a first light source part, a second light source part and a third light source part, and the first light source part emits red light and blue light; the second light source portion emits blue light, the third light source portion emits white light, and the control portion controls the first light source portion, the second light source portion, and the third light source portion, respectively.
In this embodiment, the first light source unit, the second light source unit, and the third light source unit are electrically connected in parallel and/or in series, and the control unit controls the third light source unit in such a manner that the control unit controls the color temperature and the number of turns on of the third light source unit to adjust the entire spectrum.
In this embodiment, through the arrangement of the first light source portion and the second light source portion, on the one hand, the requirement of the plant for light components in the growth process can be met, and on the other hand, through the control of the first light source portion and the second light source portion, the influence of red light and blue light emitted by the first light source portion and the second light source portion on the human body can be reduced to the minimum.
In one implementation form, the first light source part comprises a solid light emitting chip and a coating layer arranged on the outer side of the solid light emitting chip, wherein the coating layer contains red fluorescent powder capable of absorbing exciting light emitted by the solid light emitting chip and converting the exciting light to emit red light, so that the solid light emitting chip is used for realizing the photosynthetic solid light emitting chip with the main wavelength of red light and blue light; preferably, the solid-state light-emitting chip can adopt a blue-light solid-state light-emitting chip, so that blue light and red light can be generated by the blue-light solid-state light-emitting chip with lower cost, and the expenditure of the solid-state light-emitting chip is saved.
The second light source part is a solid light-emitting chip and a coating layer arranged on the outer side of the solid light-emitting chip, and the coating layer contains blue fluorescent powder capable of absorbing exciting light emitted by the solid light-emitting chip and converting the exciting light to emit blue light, so that a light source of the blue light is realized through the solid light-emitting chip; or the solid light-emitting chip is a GaAlAs or GaAs-based chip emitting blue light.
The third light source part is a solid light emitting chip and a coating layer arranged on the outer side of the solid light emitting chip, and the coating layer contains yellow and/or green fluorescent powder which can absorb exciting light emitted by the solid light emitting chip and convert the exciting light into white light.
More preferably, the blue light component emitted by the first light source part has a light emission peak in a wavelength range of 400 to 490nm so as to correspond to a blue light domain absorption peak of chlorophyll; the wavelength of the red light component emitted by the first light source part is in the range of 600-700 nm, and the ratio of the light quantity sub-flow density R in the range of 600-700 nm emitted by the first light source part to the light quantity sub-flow density B in the range of 400-490 nm is 4-10; the ratio of the light flux density R in the range of 600-700 nm emitted by the first light source part to the light flux density B in the range of 400-490 nm emitted by the second light source part is 3-8.
Taking planting of strawberries in a plant factory as an example, when the effective light quantum flux density ratio of red light and blue light emitted by the first light source part, namely R/B, is within the range of 5: 1-10: 1, the single fruit quality and the fruit quality of strawberries can be greatly improved, and the single fruit quality is improved by about 40% at most compared with the conventional sunlight irradiation in terms of average single fruit quality according to experimental data; the soluble solid content of the mature strawberry fruit is increased by 15% to the maximum extent; the vitamin C content of the mature strawberry fruits is increased by 10 percent to the maximum extent; the soluble sugar content of the mature strawberry fruits is maximally improved by 4.5 percent.
The plant growth illumination device for suppressing metamorphosis and development of pests further includes a timer that sets a time period for the first light source unit, the second light source unit, and the third light source unit to perform an illumination operation, and during the time period, the control unit controls the first light source unit, the second light source unit, and the third light source unit to be turned on so that the plant can receive illumination of light within a predetermined time period, and preferably, the timer is set to: the first light source part, the second light source part and the third light source part irradiate at the accumulative irradiation illumination time of 10-16 h/day, so that the power supplies of the first light source part, the second light source part and the third light source part can be turned off when sunlight is sufficient in the daytime, and energy is saved.
As an implementation form, in this embodiment, the light quantity sub-flow density of the first light source section and the light quantity sub-flow density of the second light source section, and the illumination intensity of the third light source section may be adjusted by adjusting the PWM waveform and the duty ratio of the current; when the first light source section is determined, the light quantity flux density ratio of red light and blue light is fixed. The light quantity flux density ratio of red light and blue light can be adjusted by adjusting the number of the first light source section and the second light source section; and the third light source parts with different numbers and color temperatures are added on the basis of the first light source part and the second light source part, so that the light irradiated to the plants comprises white light, and the spectral proportion of the illumination device suitable for plant growth can be more conveniently adjusted; and more preferably, the light quantity sub-flow density of the yellowish green light of the third light source section is not more than 30% of the total effective light quantity sub-flow density of the first light source section and the third light source section of the illumination device.
Preferably, the color temperature of the third light source part is 2000-10000K, for example, 3000K, 5000K and 7000K can be selected, the illumination intensity of the irradiated plant canopy is above 100lux, and the ratio of the red light and the blue light of the plant growth illumination device in the whole effective light quantity and the sub-flux density is adjusted by selecting the white solid-state light emitting source of the third light source part with different color temperature and quantity.
In this embodiment, in order to enable the control unit to control the first light source unit, the second light source unit, and the third light source unit more precisely, the plant growth illumination device for suppressing metamorphosis of pests further includes: an input/output unit, a data storage unit, and an arithmetic unit.
The input/output unit performs input of data and information to the plant growth illumination device for inhibiting pest metamorphosis and output of data and information from the plant growth illumination device for inhibiting pest metamorphosis to the outside;
the data storage part stores related data for calling and using at any time;
the operation part performs correlation operation by using the data acquired by the input/output part or the data stored in the data storage part, wherein the correlation operation comprises analog operation;
the plant growth illumination device for inhibiting the metamorphosis development of pests acquires the type of a 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 comprises one or more of total effective luminous flux density, red or blue light quantum flux density proportion data and green light luminous flux density demand data suitable for the growth of the plant;
the control unit simulates and constructs an illumination environment that is identical to or close to the illumination environment of the specific information by an operation unit based on the specific information of the plant, and controls the first light source unit and the second light source unit based on the simulated result.
Further, the input data relating to the plant includes: plant species, plant growth stage, optimal lighting environment parameters at that growth stage,
the illumination environment comprises a light quantity sub-flow density ratio, total effective light quantity sub-flow density and illumination time,
the light flux density ratio of the blue light, the red light and the green light can be adjusted by the control part according to the plant species and the plant growth stage.
The simulation construction adopted by the operation part adopts working current and photosynthetically active quantum current density modeling, and comprises a light quantity sub-current density change range of blue light and red light of the first light source part, a light quantity sub-current density change range of blue light of the second light source part and a light quantity sub-current density change range of blue light, red light and green light of the third light source part under different working currents in unit time,
the simulation result includes one or more of the combination of whether each solid-state light-emitting light source is electrified and lighted, the electrified current and the electrified time, which are determined according to the installation positions and the number of the solid-state light-emitting light sources in the first light source part, the second light source part and the third light source part.
In particular, when a person enters a plant factory including the plant growth lighting device for inhibiting metamorphosis development of pests according to the present embodiment, at least the first light source unit and the second light source unit need to be turned off at this time in consideration of the influence of red light and blue light, so that the blue light in the plant factory is reduced to a reasonable level; therefore, the plant growth illumination device for inhibiting the metamorphosis development of pests in the embodiment can further comprise a human body sensing part, and the human body sensing part turns off the first light source part and the second light source part when sensing that a person enters the illumination environment.
Furthermore, in order to prevent the strong light from damaging the human body, such as human eyes, the human body sensing part further transmits a signal to the control part, and the control part adjusts the illumination intensity of the third light source part to be less than 1000lux (or between 200 lux and 800 lux).
The human body induction part adopts infrared induction, sound control induction or microwave induction to induce and identify whether the human body enters the illumination environment.
The plant growth illumination device for inhibiting the metamorphosis and development of pests further comprises a driving element and a heat dissipation element, wherein the driving element is used for driving the first light source part, the second light source part and the third light source part, and the heat dissipation element is used for dissipating heat of the first light source part, the second light source part and the third light source part.
Moreover, the high visual safety plant growth illumination device can be used for facility agriculture, artificial climate rooms or illumination incubators.
Example 2
The embodiment provides a control method of a plant growth illumination device for inhibiting the metamorphosis development of pests, which can adopt the plant growth illumination device for inhibiting the metamorphosis development of pests disclosed by the embodiment, and comprises the following steps:
setting the time and working period for starting illumination, and controlling the first light source part, the second light source part and the third light source part to be started by the control part after the illumination starting time is reached;
judging the irradiated plants, and determining illumination parameters according to the types of the irradiated plants;
the control part controls the first light source part, the second light source part and the third light source part to work according to the illumination parameters;
and judging whether the working time of the first light source part, the second light source part and the third light source part reaches the working time interval or not, and if the working time interval reaches, controlling the first light source part, the second light source part and the third light source part to be closed by the control part.
Furthermore, during the working periods of the first light source part, the second light source part and the third light source part, the human body sensing part senses whether a human body enters the illumination environment, the control part at least controls the first light source part and the second light source part to be closed after the human body enters the illumination environment, and the control part at least controls the first light source part and the second light source part to be opened after the human body enters the illumination environment and leaves from the illumination environment.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (20)
1. A plant growth illumination device for inhibiting the metamorphosis and development of pests is characterized in that,
comprises a control part and a light-emitting part, wherein,
the light emitting section includes a first light source section that emits red light and blue light and a second light source section that emits blue light,
the control unit controls the first light source unit and the second light source unit, respectively.
2. The plant growth illumination apparatus for suppressing pest allergic development according to claim 1,
the blue light component emitted by the first light source part has a light emitting peak within the wavelength range of 400-480 nm so as to correspond 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 600-700 nm,
the ratio of the luminous flux density R in the range of 600nm to 700nm emitted by the first light source part to the luminous flux density B in the range of 400nm to 490nm is 4 to 10; the ratio of the light flux density R in the range of 600nm to 700nm emitted by the first light source unit to the light flux density B in the range of 400nm to 490nm emitted by the second light source unit is 3 to 8.
3. The plant growth illumination apparatus for suppressing pest allergic development according to claim 1,
the first light source part comprises a solid light-emitting chip and a coating layer arranged on the outer side of the solid light-emitting chip, wherein the coating layer contains red fluorescent powder capable of absorbing exciting light emitted by the solid light-emitting chip and converting the exciting light to emit red light, so that a light source with the main wavelength of red light and blue light is realized through the solid light-emitting chip;
the second light source part comprises a solid light-emitting chip and a coating layer arranged on the outer side of the solid light-emitting chip, and the coating layer contains blue fluorescent powder which can absorb exciting light emitted by the solid light-emitting chip and convert the exciting light to emit blue light; or the solid light-emitting chip is a GaAlAs or GaAs-based chip emitting blue light.
4. The plant growth illumination apparatus for suppressing pest allergic development according to claim 1,
the light source comprises a solid light emitting chip and a coating layer arranged on the outer side of the solid light emitting chip, wherein the coating layer contains yellow and/or green fluorescent powder which can absorb exciting light emitted by the solid light emitting chip and convert the exciting light into white light.
5. The plant growth illumination apparatus for suppressing pest allergic development according to claim 4,
the illumination device further includes a timer that sets a time period for causing the first light source unit, the second light source unit, and the third light source unit to perform an illumination operation, and the control unit controls the first light source unit, the second light source unit, and the third light source unit according to the time period set by the timer, wherein the timer is set to: the first light source part and the second light source part are irradiated for 10-16h of accumulated radiation illumination intensity time.
6. The plant growth illumination apparatus for suppressing pest allergic development according to claim 1,
the light flux density of the first light source section and the light flux density of the second light source section are adjusted by adjusting the PWM waveform and the duty ratio of the current.
7. The plant growth illumination apparatus for suppressing pest allergic development according to claim 1,
the light quantity flux density ratio of the red light and the blue light of the first light source part is fixed;
adjusting the ratio of the luminous flux densities of the red light and the blue light by adjusting the ratio of the first light source part and the second light source part;
the spectral proportion of the illumination device suitable for plant growth is adjusted by changing the number and the color temperature of the third light source parts.
8. The plant growth illumination apparatus for suppressing pest allergic development according to claim 5,
the light flux density of the yellow-green light of the third light source section is not more than 30% of the total effective light flux density of the first light source section and the second light source section of the illumination device.
9. The plant growth illumination apparatus for suppressing pest allergic development according to claim 5,
the color temperature of the third light source part is 2000-10000K, and the illumination intensity of the radiated plant canopy is more than 100 lux;
and the proportion of the red light and the blue light of the plant growth illumination device in the whole effective light quantity sub-flux density is adjusted by selecting the white solid light-emitting light sources of the third light source part with different color temperatures and quantities.
10. The pest metamorphosis suppressing plant growth illumination apparatus of claim 5, further comprising:
an input/output unit for inputting data and information to the plant growth illumination device for inhibiting the metamorphosis of pests and outputting the data and information from the plant growth illumination device for inhibiting the metamorphosis of pests to the outside;
a data storage unit for storing the relevant data for use in calling at any time;
a calculation unit that performs a correlation operation including a simulation operation using the data acquired by the input/output unit or the data stored in the data storage unit;
the plant growth illumination device for inhibiting the metamorphosis development of pests acquires the type of the 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 comprises one or more of total effective luminous flux density, red or blue light quantum flux density proportion data and green light luminous flux density demand data suitable for the growth of the plant;
the control unit simulates and constructs an illumination environment that is identical to or close to the illumination environment of the specific information by an operation unit based on the specific information of the plant, and controls the first light source and the second light source unit based on the simulated result.
11. The plant growth illumination apparatus for suppressing pest allergic development according to claim 10,
the input data relating to the plant includes: plant species, plant growth stage, optimal lighting environment parameters at that growth stage,
the illumination environment comprises a light quantity sub-flow density ratio, total effective light quantity sub-flow density and illumination time,
the light flux density ratio of the blue light, the red light and the green light can be adjusted by the control part according to the plant species and the plant growth stage.
12. The plant growth illumination apparatus for suppressing pest allergic development according to claim 10,
the simulation construction adopted by the operation part adopts working current and photosynthetically active quantum current density modeling, and comprises a light quantity sub-current density change range of blue light and red light of the first light source part, a light quantity sub-current density change range of blue light of the second light source part and a light quantity sub-current density change range of blue light, red light and green light of the third light source part under different working currents in unit time;
the simulation result includes one or more of the combination of whether each solid-state light-emitting light source is electrified and lighted, the electrified current and the electrified time, which are determined according to the installation positions and the number of the solid-state light-emitting light sources in the first light source part, the second light source part and the third light source part.
13. The plant growth illumination apparatus for inhibiting pest allergic development according to claim 12,
still include human response portion, it closes at least when sensing the people and entering into the illumination environment first light source portion and second light source portion.
14. The plant growth illumination apparatus for suppressing pest allergic development according to claim 13,
the human body induction part further transmits a signal to the control part, and the control part adjusts the illumination intensity of the third light source part to be less than 1000 lux.
15. The plant growth illumination apparatus for suppressing pest allergic development according to claim 13,
the human body induction part adopts infrared induction, sound control induction or microwave induction to induce the human body to enter the illumination environment.
16. A method of controlling a plant growth lighting fixture for inhibiting pest metamorphosis as set forth in claim 1, comprising the steps of:
setting the time and working period for starting illumination, and controlling the first light source part, the second light source part and the third light source part to be started by the control part after the illumination starting time is reached;
judging the irradiated plants, and determining illumination parameters according to the types of the irradiated plants;
the control part controls the first light source part, the second light source part and the third light source part to work according to the illumination parameters;
and judging whether the working time of the first light source part, the second light source part and the third light source part reaches the working time interval or not, and if the working time interval reaches, controlling the first light source part, the second light source part and the third light source part to be closed by the control part.
17. The method for controlling a plant growth lighting fixture for suppressing pest metamorphosis as set forth in claim 16,
the human body sensing part senses whether a human body enters an illumination environment or not during the working periods of the first light source part, the second light source part and the third light source part, the control part at least controls the first light source part and the second light source part to be closed after the human body enters the illumination environment, and the control part at least controls the first light source part and the second light source part to be opened after the human body enters the illumination environment and leaves from the illumination environment.
18. A plant growth lighting device for inhibiting metamorphosis and development of pests is characterized by comprising a control part and a light emitting part, wherein,
the light emitting part includes a first light source part emitting red light and blue light, a second light source part emitting blue light, and a third light source part emitting white light,
wherein the first light source part, the second light source part and the third light source part are electrically connected in parallel and/or in series,
the control section controls the third light source section in such a manner that the control section regulates the entire spectrum by controlling the color temperature and the number of turns on of the third light source section.
19. The pest metamorphosis suppressing plant growth illumination apparatus of claim 18 further comprising a driving element and a heat dissipating element.
20. The pest metamorphosis suppressing plant growth illumination apparatus of claim 18, wherein the pest metamorphosis suppressing plant growth illumination apparatus is used in a facility agriculture, phytotron, or light incubator.
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| CN201910727760.5ACN112432064A (en) | 2019-08-07 | 2019-08-07 | Plant growth illumination device for inhibiting metamorphosis and development of pests and control method thereof |
| PCT/CN2020/104349WO2021023025A1 (en) | 2019-08-07 | 2020-07-24 | Plant growth illumination apparatus and control method therefor |
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| CN201910727760.5ACN112432064A (en) | 2019-08-07 | 2019-08-07 | Plant growth illumination device for inhibiting metamorphosis and development of pests and control method thereof |
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