CN103582255B - Warmhouse booth spectrum on line is analyzed and Intelligent supplemental lighting system and light compensation method - Google Patents
Warmhouse booth spectrum on line is analyzed and Intelligent supplemental lighting system and light compensation method Download PDFInfo
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- CN103582255B CN103582255B CN201310511625.XA CN201310511625A CN103582255B CN 103582255 B CN103582255 B CN 103582255B CN 201310511625 A CN201310511625 A CN 201310511625A CN 103582255 B CN103582255 B CN 103582255B
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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
- 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
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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
Warmhouse booth spectrum on line disclosed by the invention is analyzed and Intelligent supplemental lighting system and light compensation method, can online the spectrum around crops be gathered and be analyzed, can the spectral intensity required for optimal spectrum information online compensation crops required for crop growth, make crop growth under optimum illumination condition, realize Intelligent supplemental lighting measure.The present invention is owing to employing high-precision digital Switching Power Supply current constant control LED light source, and make spectrum degree of regulation higher, compensation effect is better.The invention enables the actual light irradiation of crops to compose and can follow the tracks of the optimal spectrum information that expert provides very well, and can working procedure be designed, carry out the accurate light filling of intelligence of prosthetic intervention, substantially increase the intelligentized control method of agricultural, and the quality of crops can be increased substantially.
Description
Technical field
The invention belongs to warmhouse booth field of intelligent control technology, be specifically related to the analysis of a kind of warmhouse booth spectrum on line and Intelligent supplemental lighting system, the invention still further relates to the method adopting said system to carry out light filling.
Background technology
Illumination is the important factor affecting plant growth, traditional warmhouse booth light filling equipment has blindness, the on-line analysis to warmhouse booth interior lights irradiation spectrum can not be realized, can not by the optimal spectrum information bank of contrast required for crop growth to booth interior lights according to the facts row online compensation.The analysis of warmhouse booth spectrum on line and Intelligent supplemental lighting system can be agricultural sciences, becoming more meticulous provides support, to reach the object that minimum cost obtains maximum productivity effect.
Switch power technology was obtaining very fast development in recent years, and it also starts application in LED control.Utilize switch power technology accurately can control the LED light filling control module of warmhouse booth inside, and then the intensity of illumination of control LED light filling array and illumination frequency spectrum, providing suitable environment to crop growth, is a developing direction.The power consumption of Switching Power Supply is little, control precision is high, can play good regulating action to spectrum.
Summary of the invention
The object of this invention is to provide the analysis of a kind of warmhouse booth spectrum on line and Intelligent supplemental lighting system, solve the problem can not carrying out illumination online compensation in prior art according to crop growth optimal spectrum.
Another object of the present invention is to provide the method adopting said system to carry out light filling.
The technical solution adopted in the present invention is, the light compensation method of the analysis of warmhouse booth spectrum on line and Intelligent supplemental lighting system, specifically implements according to following steps:
Step 1: spectral information is set by liquid crystal display screen, arrange and want light filling crop information and be wirelessly transmitted to warmhouse booth Intelligent supplemental lighting system parametric controller, inquired about the illumination spectrum information of these crops by the experts database of parametric controller, and it is converted into assorted light filling current value radios to illumination collection and light filling controller;
Step 3: the actual light that intensity of illumination harvester gathers crops shines spectrum information to illumination collection and light filling controller, this convert information is that the assorted light filling current value that assorted light filling current value and experts database provide subtracts each other, to the compensatory control instruction of controllable LED light filling equipment, when the Lighting information of intensity of illumination harvester collection exceedes this crops light filling limit value that expert provides, illumination collection and light filling controller send warning message by Wireless Telecom Equipment to keeper;
Step 4: controllable LED light filling equipment controls four-way switch power supply according to compensatory control instruction, and then the intensity of illumination controlling red, green, blue, purple four kinds of LED array, thus control the actual light of crops according to frequency spectrum;
Step 5: form a feedback controller by controllable LED light filling equipment, intensity of illumination harvester, illumination collection and light filling controller, according to the expert advice compensated information Based Intelligent Control that warmhouse booth Intelligent supplemental lighting system parametric controller provides.
The invention has the beneficial effects as follows, the inventive method is compared advantage with existing using method and is, LED supplementary lighting module adopts switch power technology, can control the electric current of LED array accurately, and then controls intensity of illumination and the spectral distribution of LED array.LED light filling control module is powered by civil power, and this module comprises prime rectification filtering module, high-frequency inversion module, high frequency transformer, synchronous rectification module.The spectral information that central intelligence control module enables LED light filling array send, from the optimal spectrum curve required for motion tracking crop growth, finally realizes quantitative spectrometric intellectuality and supplements.LED light filling array only has the red, green, blue to its key effect of crop growth, purple four kinds of LED, and central intelligence control module is by contrasting the optimal spectrum information bank required for known crop growth, its spectrum of On-line Control.
Accompanying drawing explanation
Fig. 1 is the analysis of warmhouse booth spectrum on line and Intelligent supplemental lighting system structured flowchart;
Fig. 2 is the internal structure block diagram of controllable LED light filling equipment.
In figure, 1. illumination collection and light filling controller, 2. intensity of illumination harvester, 3. controllable LED light filling equipment, 4. Wireless Telecom Equipment, 5. keeper, 6. warmhouse booth Intelligent supplemental lighting system parametric controller, 7. prime current rectifying and wave filtering circuit, 8. high-frequency inverter circuit, 9. high frequency transformer, 10. circuit of synchronous rectification, 11.LED array, 12. liquid crystal display screens.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The structure of warmhouse booth spectrum on line analysis of the present invention and Intelligent supplemental lighting system as shown in Figure 1, comprise connect successively intensity of illumination harvester 2, illumination collection and light filling controller 1 and controllable LED light filling equipment 3, illumination collection and light filling controller 1 are communicated to connect by Wireless Telecom Equipment 4 and keeper 5 and warmhouse booth Intelligent supplemental lighting system parametric controller 6.
Illumination collection and being connected by serial ports between light filling controller 1 and Wireless Telecom Equipment 4, by 3G network radio communication between Wireless Telecom Equipment 4 and keeper 5, warmhouse booth Intelligent supplemental lighting system parametric controller 6.Illumination collection and light filling controller 1 send analog control signal to controllable LED light filling equipment 3 by control line, and intensity of illumination harvester 2 gathers Lighting information wire transmission to illumination collection and light filling controller 1.
Intensity of illumination harvester 2, utilizes intensity of illumination Acquisition Instrument to gather the inner Lighting information of warmhouse booth, and the analog signal transmission gathered to illumination collection and light filling controller 1; Illumination collection and light filling controller 1, the control chip of this light filling controller adopts 16 single-chip microcomputers, and the intensity of illumination collected and given intensity of illumination are subtracted each other, and provide light filling difference, is converted into control command and sends controllable LED light filling equipment 3 to.Wherein given intensity of illumination obtains through Wireless Telecom Equipment 4 wireless transmission after being inquired about by the experts database of warmhouse booth Intelligent supplemental lighting system parametric controller 6.Warmhouse booth Intelligent supplemental lighting system parametric controller 6, this platform is built by industrial control computer, illumination curve required for the embedded often kind of crop growth of system, this curve provides the intensity of illumination with growth cycle change required in certain plant growing process, when the Intelligent supplemental lighting system for certain crops of light filling is wirelessly connected to this platform, need the light filling strength information of crops in intelligent expert storehouse retrieving this device light filling in advance.Then this information can radio to illumination collection and feed back the given light filling intensity of light filling controller as this system.Here keeper 5, mainly refers to that version is the cell phone platform of Android4.2, supports 3G wireless transmission.To be gathered by illumination and after Lighting information that light filling controller 1 collects exceedes the maximum illumination intensity value that certain crops can bear, illumination collection and light filling controller 1 will radio to keeper's 5 one warning messages by Wireless Telecom Equipment 4, and packets of information is containing the information such as present illumination value, intensity of illumination restriction.Controllable LED light filling equipment 3, this equipment is made up of four road constant-current switch power sources, controls the care intensity of red, green, blue, purple four kinds of LED light filling arrays respectively, thus changes illumination frequency spectrum.
The internal structure block diagram of controllable LED light filling equipment 3 as shown in Figure 2, this equipment comprises prime current rectifying and wave filtering circuit 7, prime current rectifying and wave filtering circuit 7 is connected with four road high-frequency inverter circuits 8, every road high-frequency inverter circuit 8 is connected with high frequency transformer 9, circuit of synchronous rectification 10 and LED array 11 successively, and LED array 11 comprises LED red light array, LED green light array, the blue lamp array of LED, the purple lamp array of LED.High-frequency inverter circuit 8 and circuit of synchronous rectification 10 are connected with illumination collection and light filling controller 1 respectively.Illumination collection and light filling controller 1 are also connected with liquid crystal display screen 12.
Prime current rectifying and wave filtering circuit 7, this circuit is by 220V/50Hz mains-supplied, and be that direct current supplies four-way switch power supply with the power taking of direct current mode AC conversion, this circuit adopts single-phase bridge uncontrollable rectifier circuit and inductor filter circuit composition.Inductor filter circuit is used for smooth voltage waveform, adopts inductor filter to extend the conduction angle of rectifying tube, thus avoids excessive impulse current.High-frequency inverter circuit 8, this circuit adopts full-bridge inverting topology, and the MOSFET pipe that switching tube adopts driving frequency higher, switch driving circuit adopts current driver mode.High frequency transformer 9, this high frequency transformer adopt former sideline around, secondary copper sheet face is around structure, the transformer leakage inductance of this structure coiling is less, magnetic core of transformer gets ultracrystallite material, and the permeability of this material is high, and magnetic flux density is large, so the volume of transformer of coiling is less, overall power volume is diminished.Circuit of synchronous rectification 10, this circuit adopts the MOSFET pipe belt that on state resistance is very little to replace general diode, effectively reduces on-state voltage drop, is suitable for the LED power rear class rectification occasion of current constant control.LED red light array, this LED array is in series by 8 identical red LED, provides ruddiness to system.LED green light array, this LED array is in series by 8 identical green LED, provides green glow to system.The blue lamp array of LED, this LED array is joined by 8 identical LED strip and forms, and provides blue light to system.The purple lamp array of LED, this LED array is joined by 8 identical LED strip and forms, and provides purple light to system.Removable touch control type LCD screen 12, this liquid crystal display screen is used for arranging spectral information, arranges and wants light filling crop information and be wirelessly transmitted to warmhouse booth Intelligent supplemental lighting system parametric controller, for the experts recommend light filling spectral information needed for these crops of inquiry.
The light compensation method of warmhouse booth spectrum on line analysis of the present invention and Intelligent supplemental lighting system, specifically implement according to following steps:
Step 1: spectral information is set by liquid crystal display screen 12, arrange and want light filling crop information and be wirelessly transmitted to warmhouse booth Intelligent supplemental lighting system parametric controller 6, inquired about the illumination spectrum information of these crops by the experts database of parametric controller, and it is converted into assorted light filling current value radios to illumination collection and light filling controller 1.
Step 3: the actual light that intensity of illumination harvester 2 gathers crops shines spectrum information to illumination collection and light filling controller 1, this convert information is that the assorted light filling current value that assorted light filling current value and experts database provide subtracts each other, to 3 one the compensatory control instructions of controllable LED light filling equipment.When the Lighting information that intensity of illumination harvester 2 gathers exceedes this crops light filling limit value that expert provides, illumination collection and light filling controller 1 will send warning message to keeper 5 by Wireless Telecom Equipment 4.
Step 4: controllable LED light filling equipment 3 controls four-way switch power supply according to compensatory control instruction, and then the intensity of illumination controlling red, green, blue, purple four kinds of LED array 10, thus control the actual light of crops according to frequency spectrum.
Step 5: form a feedback controller by controllable LED light filling equipment 3, intensity of illumination harvester 2, illumination collection and light filling controller 1, according to the expert advice compensated information Based Intelligent Control that warmhouse booth Intelligent supplemental lighting system parametric controller 6 provides.
The realization key of the inventive method is 3 points: one is to gather the spectrum around crops and to analyze online; Two is can the spectrum required for optimal spectrum information online compensation crops required for crop growth, makes crop growth under optimum illumination condition, realizes Intelligent supplemental lighting measure; Three is that make spectrum degree of regulation higher, spectrum control effects is better owing to employing high-precision digital Switching Power Supply current constant control LED light source.The invention enables the actual light irradiation of crops to compose and can follow the tracks of the optimal spectrum information that expert provides very well, and can working procedure be designed, carry out the accurate light filling of intelligence of prosthetic intervention, substantially increase the intelligentized control method of agricultural, and the quality of crops can be increased substantially.
Claims (1)
1. the light compensation method of the analysis of warmhouse booth spectrum on line and Intelligent supplemental lighting system, it is characterized in that, warmhouse booth spectrum on line is adopted to analyze and Intelligent supplemental lighting system, the structure of this system is: comprise the intensity of illumination harvester (2) connected successively, illumination collection and light filling controller (1) and controllable LED light filling equipment (3), illumination collection and light filling controller (1) are communicated to connect by Wireless Telecom Equipment (4) and keeper (5) and warmhouse booth Intelligent supplemental lighting system parametric controller (6), described illumination collection and light filling controller (1) are also connected with liquid crystal display screen (12),
Described controllable LED light filling equipment (3), comprise prime current rectifying and wave filtering circuit (7), prime current rectifying and wave filtering circuit (7) is connected with four road high-frequency inverter circuits (8), every road high-frequency inverter circuit (8) successively with high frequency transformer (9), circuit of synchronous rectification (10) and LED array (11) are connected, LED array (11) comprises LED red light array, LED green light array, the blue lamp array of LED, the purple lamp array of LED, described high-frequency inverter circuit (8) and circuit of synchronous rectification (10) are also connected with illumination collection and light filling controller (1) respectively,
Specifically implement according to following steps:
Step 1: spectral information is set by liquid crystal display screen (12), arrange and want light filling crop information and be wirelessly transmitted to warmhouse booth Intelligent supplemental lighting system parametric controller (6), inquired about the illumination spectrum information of these crops by the experts database of parametric controller, and it is converted into assorted light filling current value radios to illumination collection and light filling controller (1);
Step 2: the actual light that intensity of illumination harvester (2) gathers crops shines spectrum information to illumination collection and light filling controller (1), this convert information is that the assorted light filling current value that assorted light filling current value and experts database provide subtracts each other, to (3) the compensatory control instructions of controllable LED light filling equipment, when the Lighting information that intensity of illumination harvester (2) gathers exceedes this crops light filling limit value that expert provides, illumination collection and light filling controller (1) send warning message by Wireless Telecom Equipment (4) to keeper (5);
Step 3: controllable LED light filling equipment (3) controls four-way switch power supply according to compensatory control instruction, and then the intensity of illumination controlling red, green, blue, purple four kinds of LED array (11), thus control the actual light of crops according to frequency spectrum;
Step 4: form a feedback controller by controllable LED light filling equipment (3), intensity of illumination harvester (2), illumination collection and light filling controller (1), according to the expert advice compensated information Based Intelligent Control that warmhouse booth Intelligent supplemental lighting system parametric controller (6) provides.
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| CN201310511625.XA CN103582255B (en) | 2013-10-25 | 2013-10-25 | Warmhouse booth spectrum on line is analyzed and Intelligent supplemental lighting system and light compensation method |
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| CN201310511625.XA CN103582255B (en) | 2013-10-25 | 2013-10-25 | Warmhouse booth spectrum on line is analyzed and Intelligent supplemental lighting system and light compensation method |
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| CN103582255B true CN103582255B (en) | 2015-08-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105180018A (en) * | 2015-10-21 | 2015-12-23 | 广州市光机电技术研究院 | LED agricultural lighting system and method based on combined spectrum |
| CN108800025A (en) * | 2017-04-28 | 2018-11-13 | 潘文莘 | Lighting device |
| CN107172793B (en) * | 2017-07-10 | 2023-08-08 | 上海工程技术大学 | Agricultural greenhouse intelligent light supplementing equipment based on compound control and dimming method thereof |
| CN114258792B (en) * | 2021-11-17 | 2023-08-01 | 北京市农林科学院智能装备技术研究中心 | Light supplementing method and device suitable for greenhouse crops |
| CN115053709B (en) * | 2022-05-20 | 2024-03-08 | 南通透灵信息科技有限公司 | Crop growth analysis platform based on agricultural Internet of things |
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| WO2010053341A1 (en) * | 2008-11-07 | 2010-05-14 | Uab "Hortiled" | Phosphor conversion light-emitting diode for meeting photomorphogenetic needs of plants |
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