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CN108093934B - Plant illumination cultivation method and device and artificial cultivation device - Google Patents

Plant illumination cultivation method and device and artificial cultivation device Download PDF

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Publication number
CN108093934B
CN108093934B CN201810170421.7A CN201810170421A CN108093934B CN 108093934 B CN108093934 B CN 108093934B CN 201810170421 A CN201810170421 A CN 201810170421A CN 108093934 B CN108093934 B CN 108093934B
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China
Prior art keywords
illumination
period
time
preset
plant
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CN108093934A (en
Inventor
陈光彩
苏志能
薛燕
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Gmy Lighting Technology Co ltd
Guangdong Igreen Bio Tech Co ltd
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Gmy Lighting Technology Co ltd
Guangdong Igreen Bio Tech Co ltd
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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
    • A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • 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
    • F21V23/0435—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by remote control means
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/16—Controlling the light source by timing means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/19—Controlling the light source by remote control via wireless transmission
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14—Measures for saving energy, e.g. in green houses

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The invention provides a plant illumination cultivation method, a plant illumination cultivation device and an artificial cultivation device, and belongs to the technical field of artificial cultivation. Meanwhile, the device provided by the invention can turn on or off the light source according to the preset working mode, so that the photosynthesis efficiency of plants is improved.

Description

Plant illumination cultivation method and device and artificial cultivation device
Technical Field
The invention relates to the technical field of artificial cultivation, in particular to a plant illumination cultivation method and device and an artificial cultivation device.
Background
The relationship between the growth and development of plants and light is gradually known and well known, and the final accumulation of the photosynthetic products of the plants can timely convert intermediate products in the photoreaction stage into stable compounds in a dark environment for storage and accumulation in plants, so that the high efficiency of photosynthesis of the plants is ensured. The appearance and the maturation of artificial light technology, in particular to the appearance and the maturation of LED artificial light technology, which makes the technology of artificial light to replace sunlight to cultivate plants become reality. Compared with sunlight, the artificial light is completely controllable in time and rhythm, and can deviate from the natural photoperiod law to greatly change and regulate photoperiod. The existing industrial electronic means can realize time and rhythm control, namely photoperiod control, at lower cost. Based on the above, the technology for promoting plant growth and development by changing photoperiod is theoretically feasible and practical and popularization.
Plant factory technology is regarded as a high-new technology capable of solving the problem of contradiction between food supply and demand caused by population increase and limited land and reduction, and food safety is regarded as important in all countries of the world, and some countries develop the technology as a strategic technology. However, the cost of electricity and operating costs of plant production remain major factors limiting the industrial development of plant factories.
Disclosure of Invention
The invention aims to provide a plant illumination cultivation method, which achieves the technical effects of shortening the plant planting time and improving the power performance by controlling illumination in the plant growth process.
Still another object of the present invention is to provide a plant illumination cultivation device, so as to improve the power performance of the artificial illumination cultivation device and shorten the plant planting time.
Still another object of the present invention is to provide a plant artificial cultivation apparatus which can realize a large-scale plant artificial cultivation, further improve the power performance and realize higher economy.
Embodiments of the present invention are implemented as follows:
a plant illumination cultivation method, comprising: the method comprises the steps of illuminating plants in a preset working mode, wherein the working mode comprises at least one illumination period, the duration of the illumination period is 2-1440 min, the illumination period comprises a long dark period and an illumination period, a plurality of preset illumination intervals are arranged in the illumination period, and a dark period with a first preset time is arranged between the two preset illumination intervals, wherein the first preset time is more than or equal to 0.
In some embodiments, one illumination period is, for example, 2-120min,120-540min, or 540-1440min.
And/or the total illumination time is 25-95%, e.g. 50-95% or 25-95%, in the illumination period
In some embodiments, the ratio of total light time to total dark time during the illumination period is 0.33-9, preferably 0.6-5, more preferably 0.6-1.2.
In some embodiments, the illumination period has a duration of 1s-1368 minutes, such as 1s-120 minutes, 120 minutes-540 minutes, or 540 minutes-1368 minutes.
And/or, the total illumination time is 25-95%, e.g., 50-95% or 25-95% during the illumination period.
In some embodiments, the ratio of total light time to total dark time during the illumination period is 1-40, preferably 2-12.5, more preferably 3-12.5.
In some embodiments, the duration of the preset illumination interval is 18min-60min, preferably 18min-25min; and/or the duration of the first preset time is 2min-9min, preferably 2min-7min.
The plant illumination cultivation device comprises a light source, wherein the light source works according to a preset working mode, the working mode comprises at least one illumination period, the duration of one illumination period is 2-1440 min, the illumination period comprises a long dark period and an illumination period, the illumination period is provided with a plurality of preset illumination intervals, a dark period with a first preset time is arranged between the two preset illumination intervals, and the first preset time is more than or equal to 0.
In some embodiments, the system further comprises a central control device for controlling the light source, and a control terminal in signal connection with the central control device, wherein the central control device and/or the control terminal pre-stores an operating mode.
In some embodiments, the central control device and/or the control terminal is connected with a clock generator.
In some embodiments, the light source is an LED light source.
In some embodiments, the duration of one illumination period is, for example, 2-120min,120-540min, or 540-1440min in the operational mode.
And/or the total illumination time is 25-95%, e.g. 50-95% or 25-95% in the illumination period.
In some embodiments, the ratio of total light time to total dark time during the illumination period is 0.33-9, preferably 0.6-5, more preferably 0.6-1.2.
In some embodiments, the illumination period has a duration of 1s-1368 minutes, such as 1s-120 minutes, 120 minutes-540 minutes, or 540 minutes-1368 minutes.
And/or, the total illumination time is 25-95%, e.g., 50-95% or 25-95% during the illumination period.
In some embodiments, the ratio of total light time to total dark time during the illumination period is 1-40, preferably 2-12.5, more preferably 3-12.5.
In some embodiments, the duration of the preset illumination interval is 18min-60min, preferably 18min-25min; and/or the duration of the first preset time is 2min-9min, preferably 2min-7min.
The artificial plant cultivation device comprises a planting shed, wherein the plant illumination cultivation device is installed in the planting shed. Wherein, the light source is installed inside planting the canopy and is used for providing illumination for planting the plant in the canopy.
In some embodiments, the planting shed may be an artificial greenhouse, other indoor planting bases, etc., and in some embodiments, the planting shed may be shielded from natural light by a shading device, and the illumination is provided entirely by the plant illumination cultivation device.
The embodiment of the invention has the beneficial effects that:
the plant illumination cultivation method provided by the invention achieves the technical effects of shortening the growth days of plants, increasing the annual planting stubble number of the plants and increasing the annual yield of plant production by controlling illumination in the plant growth process. The plant illumination cultivation device provided by the invention can enable the light source to be turned on or turned off according to the preset mode through the preset working mode, so that the illumination in the plant growth process can be accurately controlled. The plant artificial cultivation device provided by the invention provides equipment capable of realizing large-scale artificial cultivation of plants, and can finely control illumination in the plant growth process, so that the power performance of a plant factory is improved, the power cost is reduced, the growth days of the plants are shortened through finer photoperiod, the annual plant stubble number of the plants is increased, and the annual yield of plant production is increased.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of a plant illumination cultivation apparatus according to experimental example 1 of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.
The plant illumination cultivation method, device and artificial cultivation device according to the embodiments of the present invention are specifically described below.
A plant illumination cultivation method, comprising: the plants are illuminated in a predetermined operating mode that includes at least one illumination period, and in some embodiments, the illumination period has a duration of 2min to 1440min, such as 2 to 120min,120 to 540min, or 540 to 1440min.
Wherein the illumination period includes a long dark period and an illumination period, wherein the long dark region refers to an interval in which no illumination exists. The illumination period refers to a period in which light is present with respect to a long dark area, and the illumination period may be a period in which light is present at all times or intermittently.
The lighting period is provided with a plurality of preset lighting intervals, a dark period with a first preset time is arranged between the two preset lighting intervals, and the first preset time is more than or equal to 0. The illumination length of each preset illumination interval can be the same or different. When the first preset time is equal to 0, a plurality of preset illumination intervals are connected into a long illumination area, namely illumination exists in the illumination period all the time. When the first preset time is greater than 0, a discontinuous dark period exists among the preset illumination intervals, namely illumination is discontinuous in the illumination period.
In some embodiments, the duration of the preset illumination interval is 18min-60min, preferably 18min-25min; the duration of the first preset time is, for example, 2min-9min, preferably 2min-7min, for example, 3min, 4min, 5min, 6min, 7min, etc.
In some embodiments, the total illumination time is 25-95%, such as 50-95% or 25-95%, for a single illumination period. Where total illumination time duty cycle = total illumination time length/total illumination period length.
In some embodiments, the ratio of total light time to total dark time is 0.33-9, preferably 0.6-5, more preferably 0.6-1.2, within a single illumination period.
In some embodiments, the illumination period has a duration of 1s-1368 minutes, such as 1s-120 minutes, 120 minutes-540 minutes, or 540 minutes-1368 minutes; and/or, the total illumination time is 25-95%, e.g., 50-95% or 25-95% during the illumination period. Wherein total illumination time duty cycle in the illumination period = total illumination time duration in the illumination period/illumination period duration.
In some embodiments, the ratio of total light time to total dark time during the illumination period is 1-40, preferably 2-12.5, more preferably 3-12.5.
The illumination time control process can adopt manual, semi-automatic and full-automatic control, and can be practically applied by adding a time control device on the lamp or adding a time control system outside the lamp. It should be appreciated that the plant illumination cultivation methods provided in the present disclosure may be performed under natural light-insulated conditions, such as indoor or other natural light-insulated planting sheds, or may be performed under non-natural light-insulated conditions, such as partially dim light conditions. The plant illumination cultivation method provided in the disclosure is suitable for soil cultivation and soilless cultivation.
The plant illumination cultivation method can be applied to all plants suitable for artificial planting, such as vegetables, melons and fruits, grains, beans and the like. Is especially suitable for large-scale planting sheds and plant factories.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
Example 1
The embodiment provides a plant artificial cultivation device, including planting the canopy, plant the canopy and set up to the structure of isolated natural light. And is configured with a corresponding power source and water source.
A plant illumination cultivation device is installed in the planting shed, and the plant illumination cultivation device comprises a light source 100, and in this embodiment, an optional central control device 200 and a control terminal 300. The central control device 200 is connected with the light source 100, the working mode is pre-stored in the central control device 200, and the central control device 200 controls the on and off of the light source 100 according to the pre-stored working mode. The control terminal 300 is in signal connection with the central control device 200 and is used for manual operation to control the central control device 200 to start the working mode.
Wherein the control terminal 300 is optionally configured as a computer terminal, which controls the on or off of the light source 100 by operating the control center 200 on a computer to enable or disable the operation mode.
It will be appreciated that the control terminal 300 may also be a mobile phone, a tablet or other intelligent terminals, for example, an APP is set on the mobile phone, the tablet or other intelligent terminals, so that the central control device 200 is selectively controlled by the APP to start the working mode.
The light source 100 operates according to a preset operation mode in the central control device 200, wherein the operation mode comprises at least one illumination period, the illumination period comprises a long dark period and an illumination period, the illumination period is provided with a plurality of preset illumination intervals, a dark period with a first preset time is arranged between the two preset illumination intervals, and the first preset time is more than or equal to 0. The total duration of the illumination period can be correspondingly adjusted according to different illumination requirements of various plants.
For example: the total duration of one illumination period may be set to a range of 2min-1440min, where the time ratio of the illumination period to the long dark period is preferably set to 0.33-9, e.g. the light-dark time ratio is 1, 2, 3, 4, 5, 6, 7, 8, etc., as desired. The proportion of illumination time in an illumination period can also be controlled to 25-95%, wherein the illumination time refers to the total length of illumination time in the illumination period. Accordingly, the dark time ratio is controlled to be 5-75%, wherein the dark time includes a long dark period and an unlit time during an illumination period.
The illumination period in the working mode comprises at least one preset illumination interval, and the adjacent preset illumination intervals are separated by a dark period of a first preset time, wherein the first preset time is more than or equal to 0, and the time duration of the first preset time can be adjusted according to the actual plant illumination requirement. For example, when the first preset time is 0, the illumination period is a continuous full illumination period, and when the first preset time is configured to be >0, the illumination period is a discontinuous illumination period which is bright and dark.
For example: the total duration of the illumination period may be set to 1s-1368min, and when the first preset time is not 0, preferably, the proportion of the light-dark time in the illumination period is 1:40, and the illumination time in the illumination period may be set to 25-95%, and the corresponding dark time is set to 5-75%.
In this embodiment, the first preset time is set to 0, the total duration of the illumination period is set to 65min, and the long dark period is set to 55min. The total duration of the illumination period is set to 120min, namely, after the illumination is carried out for 65min, the illumination period is formed by closing for 55min.
Optionally, the plant lighting cultivation device in this embodiment further includes a clock generator 400, where the clock generator 400 is electrically connected to the central control device 200, and is used to control the start or stop of the working mode in the central control device 200, and is used to time the working mode, so as to implement automatic control, for example, in one lighting period, when the clock generator 400 records that the duration of the long dark period reaches the preset duration, a signal is fed back to the central control device 200, and the central control device 200 can control the light source 100 to enter the lighting period, and control the light source 100 to be turned on or off according to the preset parameter of the lighting period.
The light source 100 in this embodiment is an LED light source and is configured as a direct plant in a planting shed.
Example 2
Selecting vegetable heart seedlings with consistent growth conditions, carrying out different photoperiod experiments under the same spectrum and light intensity conditions, and carrying out 6 treatments, wherein 68 treatments are adopted in each treatment, the plant illumination cultivation device provided by the embodiment 1 is adopted in the treatment, and each parameter in the central control device is configured as shown in the table 1, wherein the first preset time is 0, namely the illumination period is a continuous illumination period:
table 1 example 2 table of the design of the illumination test of the heart of a dish
When the buds begin to appear in the vegetable center, the harvest days are recorded after the harvest standards of the vegetable center are met, the related growth indexes are measured, and the records are shown in table 2:
TABLE 2 data sheet for the growth index of cabbage obtained in example 2
The difference between the treatment 6 and the treatment 5 is that the corresponding growth indexes are picked and measured after 14 days of treatment, and the stem thickness, root weight, edible weight (the edible part after the bad leaves and the bad stems are removed from the vegetable core) and single plant weight are measured by direct tools, and the sugar degree is measured by an HMS35 sugar degree meter.
The power performance of the above 6 processes was calculated, and the calculation results are shown in table 3:
table 3 table of core electric performance results obtained in example 2
Wherein: total illumination duration = total illumination time during the period from the start of treatment to harvest.
Single reuse electricity = average number of degrees per kilogram of electricity used for vegetables (=total power consumption/total yield)
As can be seen from the data in tables 1, 2 and 3, in the case that the total illumination duration of the treatment 1 and the treatment 2 is quite long, the edible weight of the vegetable core is increased due to the adoption of a shorter illumination period, single reuse electricity is also remarkably reduced, and the fact that the electricity utilization performance can be improved and higher economical efficiency can be achieved due to the adoption of the shorter illumination period is explained.
Meanwhile, as can be seen from treatments 2-5, in the same illumination period, the edible weight of the vegetable core can be obviously improved by improving the illumination time ratio, and the increase is not a linear increase, which indicates that the illumination time is increased, the total amount of photosynthesis performed by plants is increased, and the photosynthesis efficiency is improved.
Example 3
Selecting a small young plant of purple coral with consistent growth condition, carrying out different photoperiod experiments under the same spectrum and light intensity conditions, carrying out 68 treatments each, configuring each parameter in a central control device as shown in table 4 by adopting the plant illumination cultivation device provided by the embodiment 1 during treatment, wherein the first preset time is 0, namely the illumination period is a continuous illumination period:
table 4 example 3 table of experimental parameters of purple lettuce
After the purple lettuce harvest, the relevant growth indicators were measured and recorded as shown in table 5:
TABLE 5 data sheet of growth index of purple coral lettuce obtained in example 3
The power performance of the above 4 processes was calculated, and the calculation results are shown in table 6:
table 6 table of electric performance results for purple lettuce obtained in example 3
As can be seen from the data in tables 4-6, the single reuse electricity for treatment 4 was 30.0 degrees/kg, the least electricity was used, 32.4 degrees/kg lower than treatment 1, the largest values for soluble sugars, the greatest edible weight at the crunchy stems, were significantly higher than treatment 1, and were also superior to treatment 1 in quality. It is shown that the single reuse power is greatly reduced when the duty ratio of the light time to the dark time is from below 1 to above 1, that is, the single reuse power is significantly reduced when the light time exceeds 50% in the same lighting period.
Example 4
Selecting a purple lettuce seedling with consistent growth conditions, carrying out different photoperiod experiments under the same spectrum and light intensity conditions, and carrying out 68 treatments each, wherein each parameter in the central control device is configured as shown in a table 4 by adopting the plant illumination cultivation device provided by the embodiment 1, the illumination period is 24h, the long dark period is 15h, the illumination period is 9h, and in the five treatments in the embodiment, the parameter settings of each treatment are different, and particularly, the duration of the first preset time and the duration of the preset illumination interval are different:
table 7 example 4 table of experimental parameters of purple lettuce
After the purple lettuce harvest, the relevant growth indicators were measured and recorded as shown in table 8:
TABLE 8 data sheet of growth index of purple coral lettuce obtained in example 4
The power performance of the above 5 processes was calculated, and the calculation results are shown in table 9:
table 9 table of electric performance results for purple lettuce obtained in example 4
As can be seen from the data in tables 7-9, the edible weight of treatment 4, the total amount of individuals, and treatment 1 were similar, and there was no significant difference between the two treatments in the significance analysis. However, in single reuse electricity, i.e., power performance, the former is 26.82 degrees/kg and the conventional process is 30.55 degrees/kg, the power cost of the former is significantly lower than that of the latter.
Meanwhile, on the single reuse electric index, it can be obviously seen that when the first preset time is lower than 7min and higher than 2min, the single reuse electric index is in a descending trend compared with the treatment 1, and especially when the first preset time is 4min, the single reuse electric index is obviously lower than the treatment 1.
According to the plant illumination cultivation method in the embodiment, the illumination time is reasonably allocated, so that the electric performance and economy are greatly improved, and the plant illumination cultivation method can be used for large-batch artificial cultivation.
The embodiments described above are some, but not all embodiments of the invention. The detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Claims (6)

1. A plant illumination cultivation method, comprising: illuminating the plant in a preset working mode, wherein the working mode comprises at least one illumination period, the duration of one illumination period is 2min-120min or 540-1440min, the total illumination time accounts for 25-95% in the illumination period, the illumination period comprises a long dark period and an illumination period, the illumination period is provided with a plurality of preset illumination intervals, a dark period with a first preset time is arranged between the two preset illumination intervals, and the first preset time is more than or equal to 0;
in the illumination period, the ratio of the total illumination time to the total darkness time is 0.33-9;
the duration of the illumination period is 1s-1368min, and/or the total illumination time accounts for 25-95% in the illumination period;
in the illumination period, the ratio of the total illumination time to the total darkness time is 1-40;
the duration of the preset illumination interval is 18min-60min; and/or the duration of the first preset time is 2-9 min.
2. The plant illumination cultivation method according to claim 1, wherein the ratio of the total illumination time to the total darkness time in the illumination period is 0.6-5.
3. The plant illumination cultivation method according to claim 2, wherein the ratio of the total illumination time to the total darkness time in the illumination period is 0.6-1.2.
4. The plant illumination cultivation device is characterized by comprising a light source, wherein the light source works according to a preset working mode, the working mode comprises at least one illumination period, the duration of one illumination period is 2-1440 min, the illumination period comprises a long dark period and an illumination period, the illumination period is provided with a plurality of preset illumination intervals, a dark period with a first preset time is arranged between the two preset illumination intervals, the first preset time is more than or equal to 0, the device further comprises a central control device for controlling the light source, and a control terminal in signal connection with the central control device, and the central control device and/or the control terminal pre-stores the working mode;
the control terminal comprises any one of a computer terminal, a mobile phone or a tablet.
5. A plant-lighting growing apparatus according to claim 4, characterized in that the central control device and/or the control terminal is connected with a clock generator.
6. A plant artificial cultivation device, which is characterized by comprising a planting shed, wherein the plant illumination cultivation device of claim 4 or 5 is installed in the planting shed.
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