CN103582255A - Greenhouse spectrum on-line analysis and intelligent light supplementing system and light supplementing method - Google Patents
Greenhouse spectrum on-line analysis and intelligent light supplementing system and light supplementing method Download PDFInfo
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- CN103582255A CN103582255A CN201310511625.XA CN201310511625A CN103582255A CN 103582255 A CN103582255 A CN 103582255A CN 201310511625 A CN201310511625 A CN 201310511625A CN 103582255 A CN103582255 A CN 103582255A
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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
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Abstract
The invention discloses a greenhouse spectrum on-line analysis and intelligent light supplementing system and a light supplementing method. Spectrums around crops can be collected and analyzed online, spectrum strength needed by the crops can be compensated online according to the optimal spectrum information needed in crop growth, the crops are made to grow under optimal light conditions, and intelligent light supplementing measures are achieved. Due to the fact that a high-precision digital switch power supply constant-current control LED light source is used, spectrum adjustment precision is higher, and the compensation effect is better. The actual lighting spectrums of the crops can track the optimal spectrum information provided by experts, an operation program can be designed well, intelligent and precise light supplementation without manual intervention is carried out, the intelligent control over agriculture is greatly improved, and the quality of the crops can be greatly improved.
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 and adopt said system to carry out the method for light filling.
Background technology
Illumination is the important factor that affects plant growth, traditional warmhouse booth light filling equipment has blindness, can not realize the on-line analysis to warmhouse booth interior lights irradiation spectrum, can not be by the needed optimal spectrum information bank of contrast crop growth to booth interior lights row online compensation according to the facts.The analysis of warmhouse booth spectrum on line and Intelligent supplemental lighting system can be for agricultural sciences, becoming more meticulous provides support, and obtains the object of maximum productivity effect to reach minimum cost.
Switch power technology has obtained very fast development in recent years, it is also starting application aspect LED control.Utilizing switch power technology accurately to control the LED light filling control module of warmhouse booth inside, and then control intensity of illumination and the illumination frequency spectrum of LED light filling array, to crop growth, provide suitable environment, 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, solved in prior art and can not carry out according to crop growth optimal spectrum the problem of illumination online compensation.
Another object of the present invention is to provide and adopts said system to carry out the method for light filling.
The technical solution used in the present invention is, warmhouse booth spectrum on line is analyzed and Intelligent supplemental lighting system, comprise intensity of illumination harvester, illumination collection and the light filling controller and the controllable LED light filling equipment that connect successively, illumination collection and light filling controller are controlled platform by Wireless Telecom Equipment and keeper and warmhouse booth Intelligent supplemental lighting system and are communicated to connect, and on illumination collection and light filling controller, are also connected with liquid crystal display screen;
Controllable LED light filling equipment, comprise prime current rectifying and wave filtering circuit, on prime current rectifying and wave filtering circuit, be connected with four road high-frequency inverter circuits, every road high-frequency inverter circuit is connected with high frequency transformer, circuit of synchronous rectification and LED array successively, LED array comprises LED red light array, LED green light array, the blue lamp array of LED, the purple lamp array of LED, and high-frequency inverter circuit and circuit of synchronous rectification are also connected with illumination collection and light filling controller respectively.
Another technical scheme of the present invention is, warmhouse booth spectrum on line is analyzed and the light compensation method of Intelligent supplemental lighting system, specifically according to following steps, implements:
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 to control platform, by controlling the experts database of platform, inquire about the illumination spectrum information of these crops, and it is converted into light filling current value of all kinds radios to illumination collection and light filling controller;
Step 3: the actual light that intensity of illumination harvester gathers crops arrives illumination collection and light filling controller according to spectrum information, this information is converted into the light filling current value of all kinds that light filling current value of all kinds and experts database provide and subtracts each other, give controllable LED light filling equipment a compensation control command, when the illumination information of intensity of illumination harvester collection surpasses 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 is controlled four-way switch power supply according to compensation control command, and then control the intensity of illumination of red, green, blue, purple four kinds of LED array, thus the actual light of controlling crops is 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, control according to warmhouse booth Intelligent supplemental lighting system the expert advice compensated information Based Intelligent Control that platform 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 accurately the electric current of LED array, 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.Central authorities' intelligent control module makes the spectral information that LED light filling array sends from the needed optimal spectrum curve of motion tracking crop growth, finally realize quantitatively intelligent supplementing of spectrum.LED light filling array only has the red, green, blue of its key effect of crop growth, purple four kinds of LED lamps, and central intelligent control module is by the needed optimal spectrum information bank of the known crop growth of contrast, 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 is controlled platform, 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 intensity of illumination harvester 2, illumination collection and the light filling controller 1 and the controllable LED light filling equipment 3 that connect successively, illumination collection and light filling controller 1 are controlled platform 6 communication connections by Wireless Telecom Equipment 4 and keeper 5 and warmhouse booth Intelligent supplemental lighting system.
Between illumination collection and light filling controller 1 and Wireless Telecom Equipment 4, by serial ports, connect, Wireless Telecom Equipment 4 and keeper 5, warmhouse booth Intelligent supplemental lighting system are controlled between platform 6 by 3G network radio communication.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 the wire transmission of illumination information to illumination collection and light filling controller 1.
Intensity of illumination harvester 2, utilize intensity of illumination Acquisition Instrument to gather warmhouse booth interior lights according to information, and an analog signal transmission gathering is 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 collecting and given intensity of illumination are subtracted each other, and provide light filling difference, are converted into control command and send controllable LED light filling equipment 3 to.Wherein given intensity of illumination is to be inquired about and obtained by Wireless Telecom Equipment 4 wireless transmission by the experts database of warmhouse booth Intelligent supplemental lighting system control platform 6.Warmhouse booth Intelligent supplemental lighting system is controlled platform 6, this platform is built by industrial control computer, the needed illumination curve of the embedded every kind of crop growth of system, this curve provides the intensity of illumination changing with growth cycle required in certain plant growing process, when the Intelligent supplemental lighting system for certain crops of light filling is wirelessly connected to this platform, the light filling strength information of the crops that need to retrieve in advance this device light filling in intelligent expert storehouse.Then this information can radio to illumination collection and feed back light filling controller as the given light filling intensity of this system.The keeper 5 here, mainly refers to that version is the cell phone platform of Android4.2, supports 3G wireless transmission.After the maximum illumination intensity value being can bear over certain crops by the illumination information that illumination gathers and light filling controller 1 collects, illumination collection and light filling controller 1 will radio to 5 one warning messages of keeper by Wireless Telecom Equipment 4, and packets of information is containing information such as present illumination value, intensity of illumination restrictions.Controllable LED light filling equipment 3, this equipment You Si road constant-current switch power source forms, and controls respectively the care intensity of red, green, blue, purple four kinds of LED light filling arrays, thereby 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, on prime current rectifying and wave filtering circuit 7, be 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.On illumination collection and light filling controller 1, be also connected with liquid crystal display screen 12.
Prime current rectifying and wave filtering circuit 7, this circuit, by 220V/50Hz mains-supplied, is converted into direct current alternating current and supplies four-way switch power supply with the power taking of direct current mode, and this circuit adopts single-phase bridge not control rectifying circuit and inductor filter the electric circuit constitute.Inductor filter circuit, for smooth voltage waveform, adopts inductor filter to extend the conduction angle of rectifying tube, thereby has avoided excessive impulse current.High-frequency inverter circuit 8, this circuit adopts full-bridge inverting topology, and switching tube adopts the MOSFET pipe that driving frequency is higher, and switch driving circuit adopts current drives 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 is got 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, whole 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 supply rear class rectification occasion that constant current is controlled.LED red light array, this LED array is in series by 8 identical red LED, to system, provides ruddiness.LED green light array, this LED array is in series by 8 identical green LED, to system, provides green glow.The blue lamp array of LED, this LED array is in series by 8 identical LED, to system, provides blue light.A purple lamp array of LED, this LED array is in series by 8 identical LED, to system, provides purple light.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 to control platform, for the required expert of these crops of inquiry, recommends light filling spectral information.
The light compensation method of warmhouse booth spectrum on line analysis of the present invention and Intelligent supplemental lighting system, specifically according to following steps, implement:
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 to control platform 6, by controlling the experts database of platform, inquire about the illumination spectrum information of these crops, and it is converted into light filling current value of all kinds radios to illumination collection and light filling controller 1.
Step 3: the actual light that intensity of illumination harvester 2 gathers crops arrives illumination collection and light filling controller 1 according to spectrum information, this information is converted into the light filling current value of all kinds that light filling current value of all kinds and experts database provide subtracts each other, and gives controllable LED light filling equipment 3 one compensation control commands.When the illumination information gathering when intensity of illumination harvester 2 surpasses this crops light filling limit value that expert provides, illumination collection and light filling controller 1 will send warning messages to keeper 5 by Wireless Telecom Equipment 4.
Step 4: controllable LED light filling equipment 3 is controlled four-way switch power supply according to compensation control command, and then control the intensity of illumination of red, green, blue, purple four kinds of LED array 10, thus the actual light of controlling crops is 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, control according to warmhouse booth Intelligent supplemental lighting system the expert advice compensated information Based Intelligent Control that platform 6 provides.
The realization key of the inventive method is 3 points: the one, and can online crops spectrum around be gathered and be analyzed; The 2nd, can make crop growth under optimum illumination condition according to the needed spectrum of the needed optimal spectrum information of crop growth online compensation crops, realize Intelligent supplemental lighting measure; The 3rd, owing to having used the constant current of high-precision digital Switching Power Supply to control LED light source, make spectrum degree of regulation higher, spectrum is controlled better effects if.The invention enables the actual light irradiation of crops to compose the optimal spectrum information that the fine tracking of energy expert provides, and can design working procedure, carry out the accurate light filling of intelligence of prosthetic intervention, greatly improved agriculture intellectuality and controlled, and can increase substantially the quality of crops.
Claims (3)
1. warmhouse booth spectrum on line is analyzed and Intelligent supplemental lighting system, it is characterized in that, comprise intensity of illumination harvester (2), illumination collection and the light filling controller (1) and the controllable LED light filling equipment (3) that connect successively, illumination collection and light filling controller (1) are controlled platform (6) communication connection by Wireless Telecom Equipment (4) and keeper (5) and warmhouse booth Intelligent supplemental lighting system, on described illumination collection and light filling controller (1), are also connected with liquid crystal display screen (12).
2. warmhouse booth spectrum on line according to claim 1 is analyzed and Intelligent supplemental lighting system, it is characterized in that, described controllable LED light filling equipment (3), comprise prime current rectifying and wave filtering circuit (7), on prime current rectifying and wave filtering circuit (7), be 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.
3. warmhouse booth spectrum on line is analyzed and the light compensation method of Intelligent supplemental lighting system, it is characterized in that, adopt warmhouse booth spectrum on line to analyze and Intelligent supplemental lighting system, the structure of this system is: comprise the intensity of illumination harvester (2) connecting successively, illumination collection and light filling controller (1) and controllable LED light filling equipment (3), illumination collection and light filling controller (1) are controlled platform (6) communication connection by Wireless Telecom Equipment (4) and keeper (5) and warmhouse booth Intelligent supplemental lighting system, on described illumination collection and light filling controller (1), be also connected with liquid crystal display screen (12),
Described controllable LED light filling equipment (3), comprise prime current rectifying and wave filtering circuit (7), on prime current rectifying and wave filtering circuit (7), be 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, LED array (11) comprises LED red light array, LED green light array, the blue lamp array of LED, the purple lamp array of LED, and 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 according to following steps, implement:
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 to control platform (6), by controlling the experts database of platform, inquire about the illumination spectrum information of these crops, and it is converted into light filling current value of all kinds radios to illumination collection and light filling controller (1);
Step 3: the actual light that intensity of illumination harvester (2) gathers crops arrives illumination collection and light filling controller (1) according to spectrum information, this information is converted into the light filling current value of all kinds that light filling current value of all kinds and experts database provide and subtracts each other, give controllable LED light filling equipment (3) compensation control commands, when the illumination information gathering when intensity of illumination harvester (2) surpasses this crops light filling limit value that expert provides, illumination collection and light filling controller (1) send warning message to keeper (5) by Wireless Telecom Equipment (4);
Step 4: controllable LED light filling equipment (3) is controlled four-way switch power supply according to compensation control command, and then control the intensity of illumination of red, green, blue, purple four kinds of LED array (11), thus the actual light of controlling crops is 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), control according to warmhouse booth Intelligent supplemental lighting system the expert advice compensated information Based Intelligent Control that platform (6) provides.
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Cited By (5)
| 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 |
| CN107172793A (en) * | 2017-07-10 | 2017-09-15 | 上海工程技术大学 | A kind of agricultural greenhouse Intelligent supplemental lighting equipment and its light-dimming method based on complex controll |
| CN108800025A (en) * | 2017-04-28 | 2018-11-13 | 潘文莘 | Lighting device |
| CN114258792A (en) * | 2021-11-17 | 2022-04-01 | 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 |
| CN115053709A (en) * | 2022-05-20 | 2022-09-16 | 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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