CN202043326U - LED (Light Emitting Diode) full-spectrum adjustable light source equipment for plant growth - Google Patents
LED (Light Emitting Diode) full-spectrum adjustable light source equipment for plant growth Download PDFInfo
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- CN202043326U CN202043326U CN2011200379594U CN201120037959U CN202043326U CN 202043326 U CN202043326 U CN 202043326U CN 2011200379594 U CN2011200379594 U CN 2011200379594U CN 201120037959 U CN201120037959 U CN 201120037959U CN 202043326 U CN202043326 U CN 202043326U
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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
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- 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
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses LED (Light Emitting Diode) full-spectrum adjustable light source equipment for plant growth, which relates to a semiconductor solid luminous light source. In the utility model, a power supply is used for supplying electric energy for a control system and a driving circuit and controlled by the control system; the control system is used for providing data input, data output, operational processing, storage and intelligentized control of a clock, providing dimming data for the driving circuit and inputting basis data which is used for adjusting the spectrum power distribution, the photon flux intensity and the light period of the light source into a memory in the control system from the outside world; the driving circuit is used for providing steady direct current or pulse width modulation power to a luminous body; and a basic unit of the luminous body consists of a plurality of UV-B UV-A, blue, green, yellow, red and infrared LEDs (Light Emitting Diodes). In the utility model, a full-wave band lighting condition required by plant growth is provided and the spectrum power distribution, the photon flux intensity and the light period of the light source can be adjusted according to different requirements from different plants to the light source at different stages, so that the optimum lighting conditions are provided for the plant growth.
Description
Technical field
The utility model relates to the semiconductor solid lighting light source, and the LED that grows especially for plant composes tunable light source apparatus entirely.
Background technology
The artificial light source that is used for the plant growth has been widely used in the cultivation of vegetables in the greenhouse, fruit, flowers and other crops.These artificial light sources can perhaps use as light filling under the condition of sunshine shortage there not being use separately under the sunshine condition, help plant normal growth.Common artificial light source has incandescent lamp, fluorescent lamp, high-pressure sodium lamp or mercury lamp etc.But, the spectral power distribution of these traditional plant growth light sources is fixed, the adjustable extent of luminous flux density is less, can not be complementary with the perfect light source condition that plant grows required, different still more plants also there are differences in the demand of different growth phases to light source, have so just caused the waste of light source.In addition, also there is inferior position in these artificial light sources at aspects such as electro-optical efficiency and useful lifes.
Compare above-mentioned traditional plant growth light source, led light source all shows remarkable advantages in all many-sides, but, antidetonation little as energy-saving and environmental protection, long-life, volume, waterproof and dampproof, low-voltage direct drive advantages such as pulse-width modulation PWM output.LED is that a kind of spectrum is narrower, and monochromaticjty is semi-conductor solid-state light source preferably, and its spectrum halfwidth is about 15 ~ 30nm, and the spectrum peak wavelength covers the All Ranges scope from the ultraviolet light to the near infrared light.According to the Haitz theorem, following LED industry will increase fast in the mode of luminous powers increase by 20% in per 10 years, prices decline 10%.Therefore, led light source not only can overcome the shortcoming of traditional plant growth light source, and has good market development potentiality.
In the prior art, use LED to carry out report as the existing many home and abroads of plant growth light source patent.As the United States Patent (USP) patent No. is that the EFFICIENT LED LAMP FOR ENHACING COMMERCIAL AND HOME PLANT GROWTH of US6921182B2 discloses by the red-light LED of two kinds of different beam angles, different peak wavelengths and the promotion plant growth lamp that blue-ray LED is formed; And for example the Chinese patent publication number is that " the high-efficiency energy-saving LED plant ecological lamp " of CN1596606A discloses a kind of plant growth light source that is combined to form by blue-ray LED or red-light LED or blue light and red-light LED.Above-mentioned technology has only used blue light and red-light LED as the growth light source, mainly considered these light sources to photosynthetic contribution, but ignored of the influence of other band spectrum plant physiology function (switching, chloroplaset migration, germination, the rice shoot as pore taken root, the light form is reacted, keep away shady reaction, floral induction or the like).
According to pertinent literature (Vol. 157, Pages:393-414,2010 for I. V nninen et al., Annals of Applied Biology) report, plant has " band selective " to the absorption of light source.In spectrum of sunlight, the wavelength region may that can exert one's influence to plant is 280 ~ 800nm wavelength band.Further, above-mentioned wave band can be divided into following seven parts again: 1. UV-B(280 ~ 320nm), 2. UV-A(320 ~ 390nm), 3. blue light (390 ~ 500), 4. green glow (500 ~ 580nm), 5. gold-tinted (580 ~ 600nm), 6. ruddiness (600 ~ 700nm), 7. far-red light (700 ~ 800nm).(Vol. 8 for Y. L. Jiao et al., Natural Reviews Genetics according to another the pertinent literature report, Is. 3, Pages:217-230,2007), plant (higher plant) is inseparable with the various photoreceptors that it has to " band selective " of light source.Photoreceptor in the plant can be divided into four kinds at least: UV-B photoreceptor, Xiang Guangsu, cryptochrome and phytochrome, and they are responsible for selective light in 280 ~ 800nm wave-length coverage being carried out perception, and concrete wave band distributes as shown in Figure 1.These perceptrons can conduct the illumination information of external environment the gene regulatory network to plant, and then influence physiological characteristics such as growth, growth, inhereditary feature expression.On the other hand, the ratio between the various wave band light sources also can influence the plant growth.Different plants are different at different growth phases to spectral power distribution, photon flux intensity, the photoperiodic demand of light source.But LED light source of the prior art is not all looked after above-mentioned plant and is reached the demand that various light characteristics are regulated at spectral band, different growth phase.
Summary of the invention
In order to overcome the shortcoming of LED plant growth light source in the above-mentioned prior art, the purpose of this utility model provides a kind of LED that is used for the plant growth and composes tunable light source apparatus entirely.It possesses the required all band illumination condition of plant growth, and it can be according to different plants in the different requirements of different growth phases to light source, adjust spectral power distribution, photon flux intensity and the photoperiod of light source, for the plant growth provides best illumination condition.
In order to reach the foregoing invention purpose, the technical solution of the utility model realizes as follows:
A kind of LED that is used for the plant growth composes tunable light source apparatus entirely, and its design feature is that it comprises power supply, control system, drive circuit and luminous element.Power supply provides electric energy for control system and drive circuit and is controlled the control of system; Control system provides the intelligent control of data input, data output, calculation process, storage and clock and for drive circuit provides the light modulation data, to being input in the holder in the control system by the outside according to data of adjusting of light source light spectrum distribute power, photon flux intensity, photoperiod; Drive circuit provides steady direct current or pulse width modulated power supply for luminous element; The elementary cell of luminous element is made up of UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light LED of some quantity.
Compose tunable light source apparatus entirely, the quantity of UV-B, the UV-A in the described luminous element elementary cell, blue light, green glow, gold-tinted, ruddiness and far-red light LED all desirable 0,1,2,3,4,5 at the above-mentioned LED that is used for the plant growth ... nonnegative integer.The peak wavelength scope of UV-B LED is 280 ~ 320nm; The peak wavelength scope of UV-A LED is 320 ~ 390nm; The peak wavelength scope of blue-ray LED is 390 ~ 500nm; The peak wavelength scope of green light LED is 500 ~ 580nm; The peak wavelength scope of yellow light LED is 580 ~ 600nm; The peak wavelength scope of red-light LED is 600 ~ 700nm; The peak wavelength scope of far-red light LED is 700 ~ 800nm.
Compose tunable light source apparatus entirely at the above-mentioned LED that is used for the plant growth, the holder in the described control system is IC chip or the module with EEPROM or Flash of data storing function.
The utility model is owing to adopted said structure, parameters such as the peak wavelength position by selecting various LED in the luminous element, quantitative proportion, forward current intensity, PWM realize the adjusting to light source light spectrum distribute power, photon flux intensity and photoperiod (24 hours), make it to take into account the sound development of photosynthesis of plants and other physiological function, for different plants provide best illumination condition at different growth phases.Outstanding technique effect of the present utility model is that it not only has the general advantage of led light sources such as energy-saving and environmental protection, long-life, and it also possesses the adjustable performance characteristics of full spectrum, for the plant growth provides intelligence, efficient, comprehensively illumination nutrition.In addition, because led light source can give plant the longest light application time to greatest extent,, shorten cultivation and the harvest cycle of plant so adopt the utility model also can accelerate the plant growth.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the wave band response range of various photoreceptors in the plant;
Fig. 2 is the structural representation of the utility model equipment;
Fig. 3 is that the linear light source of the utility model luminous element elementary cell is given an example;
Fig. 4 is that the area source of the utility model luminous element elementary cell is given an example;
Fig. 5 be in the utility model luminous element and by the cultivation plant the locus schematic diagram.
Embodiment
Referring to Fig. 2, the utility model equipment comprises power supply, control system, drive circuit and luminous element.Power supply provides electric energy for control system and drive circuit and is controlled the control of system; Control system provides the intelligent control of data input, data output, calculation process, storage and clock and for drive circuit provides the light modulation data, to light source light spectrum distribute power, photon flux intensity, photoperiod adjust be input to EEPROM in the control system or Flash etc. according to data by the outside and have in the IC chip or module of data storing function; Drive circuit provides steady direct current or pulse width modulated power supply for luminous element; The elementary cell of luminous element is made up of UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light LED of some quantity.The quantity of UV-B in the luminous element elementary cell, UV-A, blue light, green glow, gold-tinted, ruddiness and far-red light LED all desirable 0,1,2,3,4,5 ... nonnegative integer.The peak wavelength scope of UV-B LED is 280 ~ 320nm; The peak wavelength scope of UV-A LED is 320 ~ 390nm; The peak wavelength scope of blue-ray LED is 390 ~ 500nm; The peak wavelength scope of green light LED is 500 ~ 580nm; The peak wavelength scope of yellow light LED is 580 ~ 600nm; The peak wavelength scope of red-light LED is 600 ~ 700nm; The peak wavelength scope of far-red light LED is 700 ~ 800nm.
Further improving and replenishing, the technical measures below the utility model adopts as technique scheme:
Before system design, exploitation the utility model device, should at first obtain certain plant in particular growth stage interior focusing source spectral power distribution, photon flux intensity and photoperiodic requirement, these data should be to obtain through in advance plant culture experiment, the basic condition that they will be designed and developed as the utility model.During concrete enforcement, these data can be imported, stored into control system of the present utility model, be the illumination conditions that intelligence are provided, change of different plants at different growing stage.
In addition, be to guarantee the even mixing of various wave band LED outgoing photons in the light supply apparatus, should they be installed in the elementary cell of luminous element equably according to parameters such as the quantitative proportion of various LED, physical dimensions.When using the utility model device, can receive the irradiation of various LED in the luminous element unit fully, equably for guaranteeing every quilt cultivation plant, should note adjusting following changing factor: the beam angle of various LED in the ⑴ luminous element elementary cell; ⑵ luminous element is apart from the height of being cultivated plant; ⑶ cultivated the spacing of plant.
Selecting the peak wavelength in the utility model luminous element elementary cell is 300nm, power is the UV-B LED of 0.05W, peak wavelength is 370nm, power is the UV-A LED of 0.1W, peak wavelength is 450nm, power is the blue-ray LED of 0.5W, peak wavelength is 520nm, power is the green light LED of 0.2W, peak wavelength is 590nm, power is the yellow light LED of 0.1W, peak wavelength is 650nm, power is the red-light LED of 1W, peak wavelength is 730nm, power is each 1 elementary cell of forming luminous element of far-red light LED of 0.1W, and evenly settles as the regular hexagon basic cell structure among Fig. 3 or Fig. 4.Further, can be according to actual needs, a plurality of elementary cells of luminous element are arranged as the linear light source, as shown in Figure 3; Perhaps elementary cell is arranged as area source, as shown in Figure 4.On design of drive circuit, the LED of same type is one group with some is cascaded, by independently driving IC chip power supply.
Then, luminous element is installed on the position of distance cultivation plant suitable distance.As shown in Figure 5, the height h of luminous element, beam angle α, the β of every kind of LED, γ, the spacing d of plant should meet some requirements, guaranteeing that every plant can both receive the mixed uniformly irradiation of various wave band led light sources, and the rate of flow of each wave band photon should suit.Setting datas such as the drive current intensity of various LED, the frequency of PMW and duty ratio, time photoperiod will be imported in the control system of light supply apparatus, be automatically performed by control system.
Because different plants are different with the photoperiod requirement to spectral power distribution, the photon flux intensity of light source at different growth phases, so below to several different plants in the enforcement of giving an example respectively of different growth phases, and other required condition of plant growth in the following experiment of supposition, as temperature, humidity, soil nutrient, moisture, constituent of air, situation or the like all are equipped with good.
Embodiment one, selection is in the wheat at heading stage and cultivates, UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light LED that above-mentioned luminous element unit is adopted gives respectively that current strength is 10,20,150,60,20,350,20mA, and frequency is 250Hz, and duty ratio is respectively 50%, 50%, 100%, 100%, 50%, 100%, 100% PWM powering mode and drives.Further, according to the beam angle characteristic of various LED and the spacing of wheat plant, determine the setting height(from bottom) of luminous element, the rate of flow of UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light photon that receives with a bonding wheat plant is respectively 5,10,150,60,10,350,20
μMol m
-2s
-1In addition, the photoperiod of various led light sources all is set at every day 6:00 ~ 22:00 and carries out illumination.
Embodiment two, selection is in the tomato seedling of growth stage and cultivates, UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light LED that above-mentioned luminous element unit is adopted gives respectively that current strength is 10,20,50,10,10,100,20mA, and frequency is 250Hz, and duty ratio is respectively 10%, 100%, 100%, 50%, 50%, 100%, 50% PWM powering mode and drives.Further, according to the beam angle characteristic of various LED and the spacing of wheat plant, determine the setting height(from bottom) of luminous element, the rate of flow of UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light photon that receives with a bonding wheat plant is respectively 1,20,50,5,5,100,10
μMol m
-2s
-1In addition, the photoperiod of various led light sources all is set at every day 6:00 ~ 20:00 and carries out illumination.
Embodiment three, selection is in the radish seedling of growth stage and cultivates, UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light LED that above-mentioned luminous element unit is adopted gives respectively that current strength is 10,20,40,10,20,150,10mA, and frequency is 250Hz, and duty ratio is respectively 20%, 25%, 50%, 20%, 10%, 100%, 50% PWM powering mode and drives.Further, according to the beam angle characteristic of various LED and the spacing of wheat plant, determine the setting height(from bottom) of luminous element, the rate of flow of UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light photon that receives with a bonding wheat plant is respectively 2,5,20,2,2,150,5
μMol m
-2s
-1In addition, the photoperiod of various led light sources all is set at every day 6:00 ~ 18:00 and carries out illumination.
One exemplary embodiment of the present utility model is below just disclosed.For the person skilled of this area technology path, there is not substantial change part in specific embodiments and applications according to the utility model example.Formed technical scheme also belongs to protection range of the present utility model.
Claims (3)
1. a LED who is used for plant growth composes tunable light source apparatus entirely, it is characterized in that it comprises power supply, control system, drive circuit and luminous element, and power supply provides electric energy for control system and drive circuit and is controlled the control of system; Control system provides the intelligent control of data input, data output, calculation process, storage and clock and for drive circuit provides the light modulation data, to being input in the holder in the control system by the outside according to data of adjusting of light source light spectrum distribute power, photon flux intensity, photoperiod; Drive circuit provides steady direct current or pulse width modulated power supply for luminous element; The elementary cell of luminous element is made up of UV-B, UV-A, blue light, green glow, gold-tinted, ruddiness and the far-red light LED of some quantity.
2. the LED that is used for the plant growth according to claim 1 composes tunable light source apparatus entirely, it is characterized in that the quantity all desirable 0 of UV-B, the UV-A in the described luminous element elementary cell, blue light, green glow, gold-tinted, ruddiness and far-red light LED, 1,2,3,4,5 ... nonnegative integer; The peak wavelength scope of UV-B LED is 280 ~ 320nm; The peak wavelength scope of UV-A LED is 320 ~ 390nm; The peak wavelength scope of blue-ray LED is 390 ~ 500nm; The peak wavelength scope of green light LED is 500 ~ 580nm; The peak wavelength scope of yellow light LED is 580 ~ 600nm; The peak wavelength scope of red-light LED is 600 ~ 700nm; The peak wavelength scope of far-red light LED is 700 ~ 800nm.
3. the LED that is used for the plant growth according to claim 1 composes tunable light source apparatus entirely, it is characterized in that the holder in the described control system is IC chip or the module with EEPROM or Flash of data storing function.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102577886A (en) * | 2011-12-27 | 2012-07-18 | 达亮电子（苏州）有限公司 | Plant lighting device |
| CN102630511A (en) * | 2011-02-14 | 2012-08-15 | 同方光电科技有限公司 | Adjustable full spectrum LED (light-emitting diode) light source device for plant growth |
| CN102835262A (en) * | 2012-08-23 | 2012-12-26 | 广东朗视光电技术有限公司 | LED (Light Emitting Diode) plant growth promotion system |
| CN103672493A (en) * | 2012-08-31 | 2014-03-26 | 财团法人工业技术研究院 | Light source device for regulating plant growth |
| CN103798081A (en) * | 2012-11-01 | 2014-05-21 | 夏普株式会社 | Illumination device |
| CN104798634A (en) * | 2015-04-22 | 2015-07-29 | 申鸣 | System, method and device for controlling illuminance and plant planting equipment |
| CN106105811A (en) * | 2016-07-08 | 2016-11-16 | 周智 | A kind of Radix Dauci Sativae breeding method in semi-enclosed artificial light type plant factor |
| CN106764552A (en) * | 2016-12-21 | 2017-05-31 | 中国科学院工程热物理研究所 | A kind of secondary optics mirror design method that uneven irradiation is measured based on quantum |
| CN107076369A (en) * | 2014-10-29 | 2017-08-18 | 绿色未来农业有限公司 | Optimize the LED illumination module of the early growth efficiency of plant and be equipped with its LED light device |
| CN107614973A (en) * | 2015-03-25 | 2018-01-19 | 维塔比姆有限公司 | The method and apparatus that plant growth and development are stimulated near infrared light and visible ray |
| US10165735B1 (en) | 2016-06-29 | 2019-01-01 | Full Spectrum Industries Corp. | Dynamic plant lighting systems and methods |
| CN109256324A (en) * | 2018-09-20 | 2019-01-22 | 杭州小太阳农业科技有限公司 | A kind of melon and fruit light compensating lamp of band UV-B |
| CN110024596A (en) * | 2019-05-24 | 2019-07-19 | 温州大学新材料与产业技术研究院 | It is a kind of for the cultivation structure of romaine lettuce greenhouse and its preparation method of plant lamp |
| CN112863317A (en) * | 2021-01-26 | 2021-05-28 | 南昌大学 | Optical experiment box with adjustable LED light source |
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2011
- 2011-02-14 CN CN2011200379594U patent/CN202043326U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102630511A (en) * | 2011-02-14 | 2012-08-15 | 同方光电科技有限公司 | Adjustable full spectrum LED (light-emitting diode) light source device for plant growth |
| CN102577886A (en) * | 2011-12-27 | 2012-07-18 | 达亮电子（苏州）有限公司 | Plant lighting device |
| CN102835262A (en) * | 2012-08-23 | 2012-12-26 | 广东朗视光电技术有限公司 | LED (Light Emitting Diode) plant growth promotion system |
| CN103672493A (en) * | 2012-08-31 | 2014-03-26 | 财团法人工业技术研究院 | Light source device for regulating plant growth |
| CN103672493B (en) * | 2012-08-31 | 2015-10-28 | 财团法人工业技术研究院 | Light source device for regulating plant growth |
| CN103798081A (en) * | 2012-11-01 | 2014-05-21 | 夏普株式会社 | Illumination device |
| CN107076369A (en) * | 2014-10-29 | 2017-08-18 | 绿色未来农业有限公司 | Optimize the LED illumination module of the early growth efficiency of plant and be equipped with its LED light device |
| CN107614973A (en) * | 2015-03-25 | 2018-01-19 | 维塔比姆有限公司 | The method and apparatus that plant growth and development are stimulated near infrared light and visible ray |
| JP2018510656A (en) * | 2015-03-25 | 2018-04-19 | ヴィータビーム リミテッド | Method and apparatus for stimulating plant growth and development with near infrared and visible light |
| CN104798634A (en) * | 2015-04-22 | 2015-07-29 | 申鸣 | System, method and device for controlling illuminance and plant planting equipment |
| US10165735B1 (en) | 2016-06-29 | 2019-01-01 | Full Spectrum Industries Corp. | Dynamic plant lighting systems and methods |
| CN106105811A (en) * | 2016-07-08 | 2016-11-16 | 周智 | A kind of Radix Dauci Sativae breeding method in semi-enclosed artificial light type plant factor |
| CN106764552A (en) * | 2016-12-21 | 2017-05-31 | 中国科学院工程热物理研究所 | A kind of secondary optics mirror design method that uneven irradiation is measured based on quantum |
| CN109256324A (en) * | 2018-09-20 | 2019-01-22 | 杭州小太阳农业科技有限公司 | A kind of melon and fruit light compensating lamp of band UV-B |
| CN110024596A (en) * | 2019-05-24 | 2019-07-19 | 温州大学新材料与产业技术研究院 | It is a kind of for the cultivation structure of romaine lettuce greenhouse and its preparation method of plant lamp |
| CN112863317A (en) * | 2021-01-26 | 2021-05-28 | 南昌大学 | Optical experiment box with adjustable LED light source |
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Owner name: TONGFANG CO., LTD. Effective date: 20120316 |
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Assignee: Nantong Tongfang Semiconductor Co.,Ltd. Assignor: Tongfang Photoelectric Technology Co., Ltd.|Tongfang Limited by Share Ltd Contract record no.: 2012110000062 Denomination of utility model: LED (Light Emitting Diode) full-spectrum adjustable light source equipment for plant growth Granted publication date: 20111116 License type: Exclusive License Record date: 20120507 |
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