CN112856340A - LED light source spectrum formula for tomato planting and LED light source module - Google Patents
LED light source spectrum formula for tomato planting and LED light source module Download PDFInfo
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- CN112856340A CN112856340A CN202110051716.4A CN202110051716A CN112856340A CN 112856340 A CN112856340 A CN 112856340A CN 202110051716 A CN202110051716 A CN 202110051716A CN 112856340 A CN112856340 A CN 112856340A
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- 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
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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
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- 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]
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- 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
Abstract
The invention relates to the technical field of greenhouse artificial light systems, and discloses a spectrum formula of an LED light source for tomato planting and an LED light source module. The spectrum formula comprises UV light with photon energy accounting for 1-3% of the total energy, blue light accounting for 20-26%, green light accounting for 10-15%, red light accounting for 48-57% and far infrared light accounting for 8-13% of the total energy. The spectrum formula customizes a specific spectrum proportion in a visible light range according to a special photosynthetic conversion effect of the tomato on a spectrum in a specific wave band range in a growth period, and adds UV light with a reasonable proportion, wherein UV light photons play roles in disinfection and sterilization, promote the synthesis of vitamins, proteins, sugar and acids, improve the content of antioxidants, the yield and the quality of the tomato and the like, and far infrared light photons are added to enhance the photon penetration rate, promote the photon photosynthesis efficiency, generate a heat effect and supply heat for the growth and development of the tomato, thereby solving the problem that the tomato has poor spectrum absorption and planting effect on the existing light source.
Description
Technical Field
The invention relates to the technical field of greenhouse artificial light systems, in particular to a spectrum formula of an LED light source for tomato planting and an LED light source module.
Background
At present, lamps such as fluorescent lamps, mercury lamps and high-pressure sodium lamps are mainly used as light sources for common plant planting, only a combined light source of the lamps and a red light and a blue light emitted by an LED is used as a main spectrum, the combined light source obviously lacks of components of UV and infrared spectrums, is not suitable for tomato planting, and causes poor absorption effect of tomatoes on the spectrum, thereby causing poor planting effect. With the rapid development of plant factory planting, the LED light supplement light source has been widely used for plant production and planting in indoor plant factories, greenhouses, and the like. Therefore, it is necessary to develop a spectrum specific to tomatoes to obtain better quality and yield and more economic benefit, so as to promote the development of industrial planting of tomatoes.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a spectrum formula of an LED light source for tomato planting, and aims to solve the problems of poor spectrum absorption and planting effect of tomatoes on the existing light source.
In order to solve the technical problem, the invention provides a spectrum formula of an LED light source for tomato planting, which comprises UV light with photon energy accounting for 1-3% of the total energy, blue light with photon energy accounting for 20-26% of the total energy, green light with photon energy accounting for 10-15% of the total energy, red light with photon energy accounting for 48-57% of the total energy and far infrared light with photon energy accounting for 8-13% of the total energy. According to the spectrum formula of the LED light source for planting the tomatoes, the specific spectrum proportion in the visible light range is customized according to the special photosynthetic conversion effect of the tomatoes on the spectrum in the specific waveband range in the growth period, the invisible UV light with reasonable proportion is added, the UV light photons are disinfected and sterilized, the synthesis of vitamins, proteins, sugar and acids is promoted, the content of antioxidants is improved, the yield and the quality are improved, and the like.
Preferably, the wavelength range of the UV light is 360-400 nm, the photon energy emission peak value is 385nm, and the photon spectrum relative value is 0.1. The photons of the UV light with the photon energy accounting for 1-3% of the total energy play roles in disinfection and sterilization, and meanwhile, the synthesis of vitamins, proteins, sugar and acids is promoted, the content of antioxidants is increased, the yield and the quality of the tomatoes are improved, and the like.
Preferably, the wavelength range of the blue light is 400-500 nm, the photon energy emission peak value is 457nm, and the photon spectrum relative value is 0.56. The blue light is an important influence factor of the activity of a photosynthetic system and the transmission capability of photosynthetic electrons, and the photons of the blue light with the photon energy accounting for 20-26% of the total energy can obviously shorten the internode distance of tomato plants, promote the transverse extension of tomatoes and reduce the leaf area, and simultaneously can promote the accumulation of secondary metabolites of the plants.
Preferably, the wavelength range of the green light is 500-600 nm, the emission peak value of photon energy is 580nm, and the relative value of a photon spectrum is 0.07. The photons of the green light, the photon energy of which accounts for 10-15% of the total energy, have the regulation effect on the development, flowering, stomata opening, stem growth, chloroplast gene expression and growth of tomatoes and are matched with the red light and the blue light to regulate the growth and development of plants harmoniously.
Preferably, the wavelength range of the red light is 600-700 nm, the photon energy emission peak value is 657nm, and the photon spectrum relative value is 1.0. The red photons with photon energy accounting for 48-57% of the total energy play a role in inhibiting the internode elongation of the tomatoes, can promote tillering, increase the accumulation of chlorophyll, carotenoid, soluble sugar and other substances, enhance the activity of antioxidant enzyme, improve the content of organic acid and total phenol, and promote the synthesis of carbohydrates and the growth of plants.
Preferably, the wavelength range of the far infrared light is 700-780 nm, the photon energy emission peak value is 735nm, and the photon spectrum relative value is 0.12. The far infrared light photons with the photon energy accounting for 8-13% of the total energy play roles in enhancing the photon penetration rate and promoting the photon photosynthesis efficiency, and generate a heat effect to supply heat for the growth and development of the tomatoes, so that the ripeness of the fruits tends to be consistent.
Corresponding to the LED light source spectrum formula, the invention also provides an LED light source module capable of emitting a corresponding spectrum formula, which comprises LED lamp beads uniformly arranged according to a specific proportion, wherein the LED lamp beads comprise 8.3% of the total number of LED lamp beads for emitting UV light, 19% of the total number of LED lamp beads for emitting blue light, 28% of the total number of LED lamp beads for emitting red light, 28% of white light LED lamp beads for emitting 6500K and 16.7% of total number of LED lamp beads for emitting far infrared light, the LED lamp beads for emitting UV light can emit UV light with the peak value range mainly being 380-390 nm, the LED lamp beads for emitting blue light can emit blue light with the peak value range mainly being 445-465 nm, the LED lamp beads for emitting green light can emit green light with the peak value range mainly being 575-595 nm, and the LED lamp beads for emitting green light are made of 6500K full-waveband crystal plates, the LED lamp bead emitting the red light can emit the red light with the peak value range mainly ranging from 655 nm to 665nm, and the LED lamp bead emitting the far infrared light can emit the far infrared light with the peak value range mainly ranging from 720 nm to 740 nm.
Preferably, the LED lamp beads emitting UV light and the LED lamp beads emitting far infrared light are arranged in the same row, and the LED lamp beads emitting UV light are arranged between the LED lamp beads emitting far infrared light at intervals; the LED lamp beads for emitting white light are arranged in a row at equal intervals, and are parallel to the LED lamp beads for emitting far infrared light, the LED lamp beads for emitting blue light and the LED lamp beads for emitting red light are arranged in a row at equal intervals, and are parallel to the LED lamp beads for emitting white light, so that the LED light source module emits light of each wave band with a limited proportion in the spectrum of the LED light source planted by the tomatoes.
Preferably, the two LED lamp beads emitting far infrared light are uniformly arranged at intervals of the two LED lamp beads emitting UV light; the LED lamp beads emitting white light are arranged at equal intervals; the LED lamp beads emitting blue light are arranged in groups at intervals, and each group comprises two or three LED lamp beads emitting blue light; the LED lamp beads emitting red light are arranged at intervals in groups, and each group comprises one or two LED lamp beads emitting red light.
Preferably, the distance between each group of blue light emitting LED lamp beads is equal, the distance between adjacent blue light emitting LED lamp beads in a group is equal, and the inter-group distance of the blue light emitting LED lamp beads is greater than the intra-group distance; every group contains one interval between the LED lamp pearl of emission ruddiness is greater than every group and contains the interval between two LED lamp pearls of emission ruddiness.
Compared with the prior art, the invention has the following advantages:
1. the spectrum formula of the tomato planting LED light source comprises a specific spectrum, invisible UV light and far infrared light, wherein the specific spectrum and the invisible UV light have different energy point distributions within a 400-700 nm visible light wave band range, the specific spectrum proportion within the visible light range is customized according to the special photosynthetic conversion effect of the tomato growth period on the spectrum within the specific wave band range, the invisible UV light with a reasonable proportion is added, and the photons of the UV light are used for disinfecting and sterilizing, so that the synthesis of vitamins, proteins, sugar and acids is promoted, the content of antioxidant is increased, the yield and the quality of the tomato are improved, and the like; the added far infrared photons can enhance the photon penetration rate, promote the photon photosynthesis efficiency, generate heat effect and supply heat for the growth and development of the tomatoes, so that the fruits are ripe in advance and the ripening effect is consistent.
2. The LED light source module innovatively uses LED lamp beads of four single-waveband specific wafers of UV light, blue light, red light and far infrared light, and LED lamp beads of 6500K full-waveband wafers are mixed to achieve the optimal photon composition required by tomato growth in continuous spectrum photoelectron proportion, and the limited number of LED lamp beads are arranged in rows and uniformly, so that the light of each waveband can uniformly irradiate on tomato plants, tomatoes can come into the market 5-8 days in advance, the yield of tomatoes produced by the LED light source module is increased by 25-30% compared with the yield of tomatoes produced by a common light source, the planting effect is better, the cost is saved, and the economic benefit is improved.
Drawings
FIG. 1 is a spectrum formula diagram of an LED light source for planting tomatoes, which is disclosed by the invention.
FIG. 2 is a plane distribution diagram of each group of LED lamp beads of the LED light source module of the present invention.
In the figure, 1, an LED lamp bead emitting UV light; 2. an LED lamp bead emitting blue light; 3. LED lamp beads emitting red light; 4. an LED lamp bead emitting white light; 5. LED lamp pearl of transmission far-red light.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example (b): as shown in fig. 2, this embodiment provides an LED light source module, which includes LED lamp beads uniformly arranged according to a specific ratio, where the LED lamp beads include 8.3% by number of LED lamp beads emitting 385nm UV light, 19% by number of LED lamp beads emitting 460nm blue light, 28% by number of LED lamp beads emitting 660nm red light, 28% by number of 6500K white light LED lamp beads, and 16.7% by number of LED lamp beads emitting 730nm far-infrared light, so that the ratio of light in various wavelength bands in the formula of the light source spectrum is controlled by the number of LED lamp beads emitting different wavelength bands.
Specifically, in this embodiment, three LED lamp pearl 1 of emission UV light and six LED lamp pearls 5 of emission far infrared light are connected in series and set up in same line in a row, and LED lamp pearl 1 of emission UV light evenly sets up at two LED lamp pearls 5 of emission far infrared light at every interval, and the wavelength range that 2% of total energy account for the photon energy through three LED lamp pearl 1 of emission UV light is 360 ~ 400 nm's UV light, the LED lamp pearl of emission UV light can emit the UV light that peak value range is mainly at 380 ~ 390 nm. In the present embodiment, the photon energy emission peak is 385nm, and the photon spectral relative value is 0.1; the six LED lamp beads 5 emitting far infrared light emit the far infrared light with the photon energy accounting for 11% of the total energy and the wavelength range of 700-780 nm, the photon energy emission peak value is 735nm, the photon spectrum relative value is 0.12, the photons of the UV light play a role in disinfection and sterilization, meanwhile, the synthesis of vitamins, proteins, sugar and acids is promoted, the content of antioxidants is improved, and the yield and the quality of tomatoes are improved.
The ten LED lamp beads 4 emitting white light are connected in series and arranged in a row, any two adjacent LED lamp beads emitting white light are equal in interval and are parallel to the LED lamp beads emitting far infrared light, green light with the wavelength range of 500-600 nm and the photon energy accounting for 12% of the total energy is emitted by the ten LED lamp beads emitting white light, namely the green light is emitted by the LED lamp beads emitting white light, the LED lamp beads emitting green light can emit green light with the peak value range mainly ranging from 575 to 595nm, in the embodiment, the emission peak value of the photon energy is 580nm, the relative value of the photon spectrum is 0.07, photons of the green light play a regulating role in the growth, blooming, air hole opening, stem growth, chloroplast gene expression and growth of tomatoes, and the photons of the green light are matched with the red light and the blue light to regulate the growth and development of plants.
Seven LED lamp beads 2 emitting blue light are arranged in series in a row, the LED lamp beads emitting blue light are arranged at intervals in groups, each group comprises two or three LED lamp beads emitting blue light, the distance between the LED lamp beads emitting blue light is equal, the distance between adjacent LED lamp beads emitting blue light in a group is equal, the distance between groups of the LED lamp beads emitting blue light is larger than the distance between groups, the seven LED lamp beads 2 emitting blue light emit the blue light with the wavelength range of 400-500 nm, wherein the photon energy accounts for 23% of the total energy, the LED lamp bead emitting blue light can emit blue light with the peak value range mainly being 445-465 nm, in the embodiment, the photon energy emission peak value is 457nm, the relative value of the photon spectrum is 0.56, the photon of blue light can obviously shorten the internode distance of tomato plants, promote the transverse extension of tomatoes and reduce the leaf area, and simultaneously promote the accumulation of secondary metabolites of the plants.
Ten LED lamp beads 3 emitting red light are also connected in series and arranged in a row, the LED lamp beads emitting red light are arranged in groups at intervals, each group comprises one or two LED lamp beads emitting red light, the distance between every two LED lamp beads emitting red light is larger than the distance between every two LED lamp beads emitting red light, the ten LED lamp beads emitting red light 3 emit red light with the photon energy accounting for 52% of the total energy and the wavelength range of 600-700 nm, in the embodiment, the photon energy emission peak value is 657nm, the photon spectrum relative value is 1.0, red light photons play a role in inhibiting internode elongation of tomatoes, tillering can be promoted, accumulation of substances such as chlorophyll, carotenoid and soluble sugar can be increased, the activity of antioxidase can be enhanced, the contents of organic acid and total phenol can be increased, and carbohydrate synthesis and plant growth can be promoted. And the LED lamp beads emitting red light and the LED lamp beads emitting blue light are connected in parallel, and each row of LED lamp beads are respectively arranged in parallel with the LED lamp beads emitting white light in rows, so that the photoelectron proportion of the continuous spectrum reaches the optimal photon composition required by the growth of the tomatoes, and the light of each wave band can uniformly irradiate the plants of the tomatoes. Of course, the LED lamp beads emitting various wave bands can be uniformly arranged according to the area of the arrangement surface, namely, each LED lamp bead is uniformly distributed in unit area.
In conclusion, the LED light source module innovatively uses LED lamp beads of four single-waveband specific wafers of UV light, blue light, red light and far infrared light, and is added with LED lamp bead mixed light of a 6500K full-waveband wafer, namely, a spectrum formula of the LED light source for planting tomatoes comprises specific spectrums with different energy point distributions in a 400-700 nm visible light waveband range, invisible UV light and far infrared light, the specific spectrum proportion in the visible light range is customized according to the special photosynthetic conversion effect of a tomato growth period on the spectrums in the specific waveband range, the invisible UV light with a reasonable proportion is added, and the disinfection and sterilization are realized through UV photons, the synthesis of vitamins, proteins, sugars and acids is promoted, the content of antioxidants is improved, and the yield and the quality of the tomatoes are improved; the added far infrared photons can enhance the photon penetration rate, promote the photon photosynthesis efficiency, generate heat effect and supply heat for the growth and development of the tomatoes, so that the fruits are ripe in advance and the ripening effect is consistent. The LED lamp beads with the limited number are arranged in rows and uniformly, the continuous spectrum photoelectron proportion reaches the optimal photon composition required by tomato growth, light of each wave band can uniformly irradiate onto tomato plants, tomatoes can appear on the market 5-8 days in advance, the yield of tomatoes produced by the LED light source module is improved by 25-30% compared with the yield of tomatoes produced by a common light source, the better planting effect is realized with the minimum energy consumption, the cost is saved, and the economic benefit is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The LED light source spectrum formula for tomato planting is characterized in that: the ultraviolet light source comprises UV light with photon energy accounting for 1-3% of the total energy, blue light with photon energy accounting for 20-26% of the total energy, green light with photon energy accounting for 10-15% of the total energy, red light with photon energy accounting for 48-57% of the total energy and far infrared light with photon energy accounting for 8-13% of the total energy.
2. The tomato planting LED light source spectrum formula according to claim 1, characterized in that: the wavelength range of the UV light is 360-400 nm, the photon energy emission peak value is 385nm, and the photon spectrum relative value is 0.1.
3. The tomato planting LED light source spectrum formula according to claim 1, characterized in that: the wavelength range of the blue light is 400-500 nm, the photon energy emission peak value is 457nm, and the photon spectrum relative value is 0.56.
4. The tomato planting LED light source spectrum formula according to claim 1, characterized in that: the wavelength range of the green light is 500-600 nm, the emission peak value of photon energy is 580nm, and the relative value of a photon spectrum is 0.07.
5. The tomato planting LED light source spectrum formula according to claim 1, characterized in that: the wavelength range of the red light is 600-700 nm, the photon energy emission peak value is 657nm, and the photon spectrum relative value is 1.0.
6. The tomato planting LED light source spectrum formula according to claim 1, characterized in that: the wavelength range of the far infrared light is 700-780 nm, the photon energy emission peak value is 735nm, and the photon spectrum relative value is 0.12.
LED light source module, its characterized in that: the LED lamp beads comprise LED lamp beads which are uniformly arranged according to a specific proportion, wherein the number of the LED lamp beads accounts for 8.3% of the total number of the LED lamp beads for emitting UV light, the number of the LED lamp beads for emitting blue light accounts for 19% of the total number of the LED lamp beads for emitting red light accounts for 28%, the number of the LED lamp beads for emitting 6500K white light accounts for 28%, and the number of the LED lamp beads for emitting far infrared light accounts for 16.7%.
8. The LED light source module as set forth in claim 7, wherein: the LED lamp beads emitting UV light and the LED lamp beads emitting far infrared light are connected in series and arranged in the same row, and the LED lamp beads emitting UV light are arranged between the LED lamp beads emitting far infrared light at intervals; the LED lamp beads emitting white light are connected in series and arranged in a row and are arranged in parallel with the LED lamp beads emitting far infrared light; the LED lamp beads emitting blue light are connected in series and arranged in a row, and the LED lamp beads emitting red light are connected in series and arranged in a row and are arranged in parallel with the LED lamp beads emitting white light in a row.
9. The LED light source module as set forth in claim 8, wherein: the LED lamp beads emitting UV light are uniformly arranged at intervals of two LED lamp beads emitting far infrared light; the LED lamp beads emitting white light are arranged at equal intervals; the LED lamp beads emitting blue light are arranged in groups at intervals, and each group comprises two or three LED lamp beads emitting blue light; the LED lamp beads emitting red light are arranged at intervals in groups, and each group comprises one or two LED lamp beads emitting red light.
10. The LED light source module as set forth in claim 9, wherein: the distance between every two groups of LED lamp beads emitting blue light is equal, the distance between every two adjacent LED lamp beads emitting blue light in each group is equal, and the distance between every two groups of LED lamp beads emitting blue light is larger than the distance between every two groups of LED lamp beads emitting blue light; every group contains one interval between the LED lamp pearl of emission ruddiness is greater than every group and contains the interval between two LED lamp pearls of emission ruddiness.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115486335A (en) * | 2022-11-03 | 2022-12-20 | 中国农业科学院都市农业研究所 | Rapid propagation and generation-adding method for tomatoes |
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Application publication date: 20210528 |