CN104661514A - System and method for cultivating plant using led lighting, led lighting device for plant cultivation and method for driving said device - Google Patents
System and method for cultivating plant using led lighting, led lighting device for plant cultivation and method for driving said device Download PDFInfo
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Classifications
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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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- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
- A01G9/249—Lighting means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
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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
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Cultivation Of Plants (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
An embodiment of the present invention relates to an LED lighting system for plant cultivation and to a method for cultivating plant using LED lighting. The LED lighting system for plant cultivation according to an embodiment of the present invention comprises a sensor module which has a sensor for sensing information on the cultivation environment for plants cultivated in a certain place, which provides generated data sensed by the sensing to a controller for analyzing the sensing data, and which controls the cultivation environment using the control data provided based on the result of the analysis on the sensing data; an operating device for a manager, which stores, into a memory, the control data for controlling the cultivation environment into a lookup table format, and outputs the control data according to the request provided from the controller based on the result of the analysis on the sensing data; a gateway which transmits the sensing data from the sensor module and provides the received sensing data to the controller, and which transmits the control data from the operating device for a manager and provides the received control data to the sensor module and to a module other than the sensor module; and a control module which receives the control data from the gateway, which selects the color of the LED light radiated onto the plant based on the control data, and which performs dimming control to convert a wavelength of the selected LED light. (Representative drawing) FIG. 2.
Description
Technical field
Embodiments of the invention relate to a kind of plant cultivation system and method, plant cultivation LED light device and the driving method thereof that utilize LED illumination.Particularly relate to a kind of mode adopting telemonitoring plant factor internal state or cultivated plant or directly control by internet or Ethernet and manage, and smooth connection management person operating means and the producer, thus improve the plant cultivation system and method, plant cultivation LED light device and the driving method thereof that utilize LED illumination of stability and confidence level.
Background technology
The content described below, only for providing the background information about the embodiment of the present invention, is not prior art.
Usually, cultivated plant adopts in soil sowing, then applies fertilizer, waters, and in plant, produce photosynthetic mode under solar radiation.But this cultivation method, its output is not only subject to the impact of climatic variation, and owing to using fertilizer or agricultural chemicals, thus existing economic cost problem, cause environmental problem again.
Thus recently, be conceived to plant grown by photosynthesis, achieve and utilize artificial light source and LED (Light Emitting diode) to provide wavelength needed for photosynthesis and Promoting plant growth, and the not impact of climate, the plant cultivation without the need to pesticide grown, this mode not only improves plant production amount, and achieve the green plants cultivation of no pesticide grown, thus quite attract attention.
Fig. 1 is the figure of the structure in diagram common plant cultivation greenhouse.
As shown in Figure 1, the structure in common plant cultivation greenhouse in greenhouse, is provided with blower fan, for installing the framework (F) of irrigating facility.Now can add the LED module (not shown) for providing artificial light source at framework (F), and can possess in addition for regulating the manager of warm indoor temperature, humidity and LED luminous quantity with computer (not shown).
But this structure to be connected with the network between computer and the LED module of remote site due to the manager of plant factor inside and to regulate and control inaccuracy, therefore there is the problem being difficult to regulate and control respectively each plant.Such as, can not the wavelength of LED module that grown by the photosynthesis promotion of cultivated plant of fine adjustment or impulse modulation, dutycycle (Duty Rate), the ON/OFF time (On/Off Time), luminous intensity (Intensity).
And the LED module used in plant factor, the regulator control system etc. that comprises power-supply system and this LED module do not have standard criterion, thus cause the cost increase of cultivated plant, and there is the problem of the business efficiency decline of cultivated plant.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of plant cultivation system and method, plant cultivation LED light device and the driving method thereof that utilize LED illumination, consider and promote that photosynthetic wavelength, light, luminous intensity and brightness are different according to cultivated plant kind, by form of look preserve in the internal memory of manager's operating means various cultivated plant, each vegetative period, each time period/data progressively regulated round the clock, thus adopt the mode of the regulating networks respectively when user's selection mode, and promote the growth of cultivated plant.
And, another object is to provide a kind of plant cultivation system and the method thereof that utilize LED illumination, plant cultivation LED light device and driving method thereof, when it is designed to that plant cultivation area increases when the length of bed for plant growing (bed) or enlarged areas, the simplicity that LED module is set can be improved, and along with the applicability of the LED module increasing area is stronger, thus pulse width modulation (Pulse Width Modulation) or voltage x current adjustment can be carried out to the cultivated plant being positioned at same bed by identification (Identification) information during interconnection network simultaneously.
According to the plant cultivation system utilizing LED illumination of the embodiment of the present invention, comprise: sensor assembly, it comprises the sensor of the cultivation of plants environmental information of cultivating in arbitrary site for perception, the data generated by said sensed are sent to the control device for analyzing said sensed data, and utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate above-mentioned planting environment; Manager's operating means, deposits middle preservation within it for regulating the above-mentioned regulation and control data of above-mentioned planting environment by form of look, and will asking of being sent by above-mentioned control device according to the analysis result based on said sensed data, and export above-mentioned regulation and control data; Gateway, receives said sensed data be sent to above-mentioned control device from the sensor module, receives above-mentioned regulation and control data and be sent to the sensor module and the module except the sensor module from above-mentioned manager with operating means; Regulation and control module, receives above-mentioned regulation and control data from above-mentioned gateway, and will be irradiated to the color of the LED light of plant according to above-mentioned regulation and control data selection, then the wavelength of above-mentioned LED light selected by carrying out light modulation (Dimming) and changing.
According to the plant cultivation LED light device of the embodiment of the present invention, comprise: light emitting module, it comprises multiple single-bit modules of irradiation LED light, different planting environments can be maintained according to the floristics of cultivating in arbitrary site, and above-mentioned single-bit module possesses identification (Identification) information of the position for confirming above-mentioned place, and can be combined with each other when the increase of above-mentioned cultivation of plants area; Sensor assembly, it comprises for the sensor of perception about the information of above-mentioned planting environment, the data generated by said sensed are sent to the control device for analyzing said sensed data, and utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate above-mentioned planting environment; Regulation and control module, receives above-mentioned regulation and control data and above-mentioned identifying information that the analysis result based on said sensed data sends, and carries out light modulation to make above-mentioned single-bit module and irradiate different LED light according to above-mentioned identifying information; Electric supply installation, receives conventional power supply and converts thereof into direct current, and the above-mentioned direct current of conversion is fed at least one module in above-mentioned light emitting module, the sensor module, above-mentioned regulation and control module; Metering module, it is collected the voltage relevant information that provided by above-mentioned electric supply installation and sends it to above-mentioned control device, utilizes the above-mentioned regulation and control data that the analysis result based on above-mentioned voltage relevant information sends, and resets the power state of above-mentioned electric supply installation.
According to the plant cultivation method utilizing LED illumination of the embodiment of the present invention, comprise: by regulating sensor assembly, the cultivation of plants environmental information that perception is cultivated in arbitrary site and generate perception data, generated perception data is sent to the control device for analyzing said sensed data, utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate the step of above-mentioned planting environment; In internal memory, the above-mentioned regulation and control data for regulating above-mentioned planting environment are preserved by form of look, will the asking of being sent by above-mentioned control device according to the analysis result based on said sensed data, and export the step of above-mentioned regulation and control data with operating means from manager; Said sensed data are received from the sensor module by gateway (Gateway), and send it to above-mentioned control device, and receive above-mentioned regulation and control data from above-mentioned manager with operating means, then send it to the step of the sensor module and the module except the sensor module; Receive above-mentioned regulation and control data by above-mentioned gateway, regulation and control module will be irradiated to the color of the LED light of above-mentioned plant based on above-mentioned regulation and control data selection, and the step of the wavelength of above-mentioned LED light selected by carrying out light modulation (Dimming) and changing.
According to the driving method of the plant cultivation LED light device of the embodiment of the present invention, comprise: by the step of multiple single-bit module irradiation LED light, and above-mentioned multiple single-bit module possesses identification (Identification) information for confirming the arbitrary site of cultivating variety classes plant; The information of the above-mentioned plant cultivation environment of perception and generate perception data, and the control device generated said sensed data are sent to for analyzing said sensed data, utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate the step of above-mentioned planting environment; Receive the above-mentioned regulation and control data and above-mentioned identifying information that send based on the analysis result of said sensed data, and carry out light modulation and irradiate the step of different LED light to make above-mentioned single-bit module according to above-mentioned identifying information; Receive alternating current and also convert thereof into direct current, and the above-mentioned direct current supply of conversion is used for irradiate above-mentioned LED light light emitting module, be used for the step that regulates the sensor assembly of above-mentioned planting environment and be used at least one module of carrying out in the regulation and control module of above-mentioned light modulation; Collect the voltage relevant information being sent to above-mentioned light emitting module, the sensor module and above-mentioned regulation and control module, and send it to above-mentioned control device, the above-mentioned regulation and control data utilizing the analysis result based on above-mentioned voltage relevant information to send, reset the step of the electric power of supply above-mentioned light emitting module, the sensor module and above-mentioned regulation and control module.
According to the embodiment of the present invention, accurately can carry out respectively connecting from the manager of plant factor inside with the network of operating means to the LED module of remote site and regulating and controlling to each cultivated plant, and Promoting plant growth.
Further, the LED module used in plant factor or the regulator control system comprising rural area system and its LED module can be carried out standard criterion, thus the factor improving plant cultivation cost can be reduced, and improve the business efficiency of cultivated plant.
Accompanying drawing explanation
Fig. 1 is the figure of the structure in diagram common plant cultivation greenhouse,
Fig. 2 is the figure that utilize the plant cultivation system of LED illumination of diagram according to the embodiment of the present invention,
Fig. 3 is the illustration figure of the remote control and regulation program run in the control device of Fig. 2,
Fig. 4 be pictorial image 2 electric supply installation, regulation and control module, light emitting module circuit diagram,
Fig. 5 is the figure that diagram utilizes the plant cultivation process of LED illumination,
Fig. 6 is the figure for illustration of pulse width modulation.
Description of reference numerals:
200: control device 210: communication network
221: wired wireless router 223: manager's operating means
225: gateway 227: camera
229: electric supply installation 231: regulation and control module
233: metering module 235: sensor assembly
237: light emitting module 300: frequency converter
310: DC-to-dc converter 320:LED controller
330:LED illuminating part
Embodiment
Referring to accompanying drawing, embodiments of the present invention is described in detail.During mark Reference numeral, even if constructed feature occurs in different drawings, also employ identical Reference numeral as far as possible.Be also noted that, in specification in the whole text, present subject matter may be caused if thought unclear to relevant known technical characteristic and illustrating of function, then description is omitted simultaneously.
And, when illustrating of the present invention, can use first, second, A, B, (a), the term such as (b).These terms are only used to distinguish relevant art feature and other technologies feature, and its essence non-limiting, order or order etc.If illustrate that secretary carries a technical characteristic and another technical characteristic " connection ", " combination " or " contact ", can be understood as a technical characteristic directly connect with another technical characteristic or contact, also can be understood as between each technical characteristic and have phase " connection ", " combination " or " contact " with it of another technical characteristic.
Fig. 2 is the figure that utilize the plant cultivation system of LED illumination of diagram according to the embodiment of the present invention, and Fig. 3 is the illustration figure of the remote control and regulation program run in the control device of Fig. 2.
As shown in Figure 2, according to the plant cultivation system utilizing LED illumination of the embodiment of the present invention, comprising: be located at the control device 200 of plant factor outside, communication network 210 and form the wired wireless router 221 of plant factor built-in system, manager with in operating means 223, gateway 225, camera 227, electric supply installation 229, regulation and control module 231, metering module 233, sensor assembly 235, light emitting module 237 part or all.
At this, form the wired wireless router 221 of plant factor built-in system, manager with in operating means 223, gateway 225, camera 227, electric supply installation 229, regulation and control module 231, metering module 233, sensor assembly 235, light emitting module 237 part or all, plant cultivation LED light device can be referred to as.
Control device 200 is the brain comprehensive devices being such as located at specific company or university, and such as, it can run IFD handling procedure and remote control and regulation dedicated program as shown in Fig. 3 (a) and Fig. 3 (b).Accordingly can the environment of real time monitoring just in the plant factor of cultivated plant, and be set in light-emitting component, the such as LED colour temperature of arrangement in light emitting module 237 in plant factor.And the procotol as TCP/IP can be utilized, remote control and regulation camera 227 etc., and the camera 227 that collection is arranged in plant factor and the data that sensor assembly 235 sends.
At this, the colour temperature of light-emitting component can according to pixels or block of pixels be that unit sets, pixel is the unit of combination R, G, B, and block of pixels combines the unit of multiple pixel.
Control device 200 is to such as from the data analysis that camera 227, metering module 233 and sensor assembly 235 are collected, thus the growth conditions of plant that concrete confirmation is being cultivated.If if judge the result of part or all in the temperature, humidity, luminous intensity, wavelength, electric power, electric current, voltage etc. in plant factor, feel internal environment and be not suitable for time, just notify that manager is with operating means 223, and maintain suitable environment according to these regulation and control data.In the process, control device 200 can transmit relevant information to user's terminal of management plant factor, and said terminal comprises mobile phone etc.
Communication network 210 is for connecting the control device 200 and the wired wireless router 221 in plant factor that are located at plant factor outside.Communication network 210 comprises wired wireless communication networks, and is preferably internet, can comprise as CDMA net, WCDMA net, GSM net and the network etc. of next generation mobile communication system that will realize from now on as wireless communication networks.
Wired wireless router 221 is for making control device 200 and manager's operating means 223 or carrying out wire-wireless communication between control device 200 and camera 227, carry out the process of switching signal or information, and the path setting program that the manager in plant factor is searched for operating means 223 and camera 227 etc. can be run.Such as, by information that procotol is sent by control device 200, imaging cellular (Zigbee), Wireless Fidelity (Wifi) wireless protocols is equally changed at wired wireless router 221, be sent to manager again with operating means 223 or camera 227, reverse situation is also identical.
Manager is the computers being such as located at greenhouse or the plant factor inside of carrying out plant cultivation with operating means 223, and it comprises the internal memory of look-up table (Lookup Table) form.Regulation and control data are then preserved namely, about the information of light quantity, temperature, humidity, luminous intensity, wavelength and gas concentration lwevel, electric power, electric current, voltage etc., transmit the different regulation and controlling of information of each plant to regulation and control module 231, metering module 233, sensor assembly 235 according to the interface of user in internal memory.If such as control device 200 to manager with operating means 223 send to ask arbitrarily time, manager will ask according to this with the user of operating means 223, selection meets the regulation and control data of particular condition and sends it to gateway 225, and these data are sent to regulation and control module 231, metering module 233, sensor assembly 235 by gateway 225.
Gateway 225 comprises LCD formula gateway, it receives the regulation and control data at the applicable user interface sent with operating means 223 by manager, and is regulated and controled regulation and control module 231, metering module 233, sensor assembly 235 by the short-range communication net as honeycomb (Zigbee).Namely, gateway 225 transmits the regulation and control data about wavelength etc. in order to carry out pulse width modulation to the light-emitting component of light emitting module 237 to regulation and control module 231, regulation and control data about temperature and humidity etc. are then sent to sensor assembly 235 and process, and the regulation and control data about electric power etc. are then sent to metering module 233.Now gateway 225 identifying information that utilizes self-luminous module 237 to collect in metering module 233, sensor assembly 235, thus can net control smoothly.
The state of camera 227 real time monitoring greenhouse or plant factor, and detect the state of plant and the whether abnormal of light emitting module 237.Now, camera 227 such as under the remote control and regulation of control device 200 real time monitoring plant factor inside state after, the data of photography are transmitted again to control device 200, thus confirm the whether abnormal of state in plant factor or light emitting module 237, will adequate measures be taked if note abnormalities.If if the monitoring result of camera 227 finds when light emitting module 237 occurs abnormal, control device 200 contacts the mobile phone etc. of farm management person, places under repair to this module.During the state of if desired regulating plant, send invitation to the mobile phone of farm management person or manager with operating means 223, utilize and be kept at manager by the regulation and control data in operating means 223 internal memory, process this situation.
Electric supply installation 229 can be divided into multiple first, second electric supply installation 229_1,229_2.Alternating current is converted to direct current and sends it to regulation and control module 231, second electric supply installation 229_2 and then changed direct current is sent to sensor assembly 235 and light emitting module 237 by the first electric supply installation 229_1.Each electric supply installation 229 receives 110V or 220V and commonly uses power supply and the direct current being converted into about 24V, then be converted to for drive regulation and control module 231 or light emitting module 237 in integrated circuit (IC) about 3.3V direct current after export.Electric supply installation 229 can comprise frequency converter and DC-to-dc converter for this reason.
Regulation and control module 231 is regulated and controled by gateway 225 and wireless near field communication net, and it receives by the direct current of the first electric supply installation 229_1 output and is driven.In other words, according to the light emitting module 237 that the regulation and control module 231 of inventive embodiments arranges to manage formation one respectively, can by ratio setting one to one, can be designed to regulate and control according to gateway 225, the light emitting module 237 that first row arranges to N possesses identical luminescent condition, but if can drive the luminescent condition being applicable to these crops when cultivating different plant.If, regulation and control module 231 by pulse width modulation etc., light modulation (Dimming) is carried out to light emitting module 237.And then, the LED element of red, green, blue can be carried out unifying regulation and control by each color by regulation and control module 231, and provides the light of full color.Related content will be gone on to say below.
Metering module 233 is is also regulated and controled by gateway 225 and wireless near field communication net, it collects the voltage relevant information of voltage, electric power etc. being sent to regulation and control module 231, sensor assembly 235, light emitting module 237 from electric supply installation 229, is sent to control device 200 according to agreement through gateway 225 and wired wireless router 221.Such as, metering module 233 utilizes gage probe etc. and after each input AC electricity of measuring electric supply installation 229 and the input AC electricity of total system, convert measured value to number and produce voltage relevant information, and the voltage relevant information of generation is sent to control device 200.Then metering module 233 is according to the analysis result of control device 200, based on being fed to the regulation and control data of manager with operating means 223, is reset the power state of electric supply installation 229 by regulation and control gateway 225.Metering module like this 233, by remote detection, supply and demand management, can reduce energy expenditure to greatest extent, and can carry out idle electricity confirm and management function in power supply, such as, safeguard, monitor, measure, diagnosis etc.
The regulation and control data that certain metering module 233 can be transmitted with operating means 223 by manager according to the analysis result based on control device 200, nip off by regulation and control gateway 225 voltage exported by electric supply installation 229, or transmit selectively or nip off the output voltage exported by particular electrical circuit.And metering module 233 according to the regulation and control data provided with operating means 223 by manager, can regulate the size of the voltage being fed to regulation and control module 231 and light emitting module 237 etc. from electric supply installation 229.Have updated regulation and control module 231 and light emitting module 237, and be 24V direct current from the voltage before electric supply installation 229 output, 12V direct current will be exported to make it by conducting voltage change-over circuit.
Sensor assembly 235 comprises: light intensity sensor, concentration sensor (such as, gas concentration lwevel sensor), temperature sensor, humidity sensor, wavelength sensor etc., by utilizing so various sensor, the suitable environment of cultivated plant can be formed.Such as, sensor assembly 235 transports through to gateway 225 perception data that each sensor collects, and gateway 225 provides this data to control device 200, by the regulation and control of control device 200, forms suitable environment in greenhouse or plant factor inside.In the process, control device 200 can send to ask with operating means 223 to manager according to the analysis result of perception data and make it carry out the best adjustment to the internal environment of plant factor etc.And sensor 235 comprises for carrying out the control part of wireless near field communication with gateway 225, by the regulation and control of control part, adjustable surrounding blower fan or irrigating facility, heater or humidity regulation valve etc., thus form suitable environment.
Light emitting module 237 possesses first row and arranges to N, form the light emitting module 237 of each row, in order at will expand setting along with the increase of plant factor's implants area under cultivation, comprise at least one single-bit module, and each single-bit module possesses identifying information to confirm the plant position of cultivation.Such as, even if expansion light emitting module 237, the single-bit module forming each row drives mutually side by side, thus per unit module can the light of luminous same light brightness.If just when each different plant of row cultivation, the single-bit module forming each row can accurately confirm its position according to identifying information, and sends the light of different brightness.
Each single-bit module be by light-emitting component such as, the LED of red, green, blue or Organic Light Emitting Diode (OLED) array (array) on printed circuit board (PCB) (Printed Circuit Board) and metal substrate form.This light-emitting component carries out light modulation according to the regulation and control of regulation and control module 231, means the bright light regulating light-emitting component and the dutycycle of turning off the light in this light modulation, and driving pulse width modulated, thus regulate the luminous quantity of the light sent by single-bit module.If lighting time is short, luminous quantity is corresponding minimizing also, and therefore brightness is dark to some extent.And how to drive light-emitting component according to light emitting module 237, the light of various color and various brightness can be sent.If such as drive the light-emitting component of red, green, blue respectively, monochromatic light just can be sent, but if drive the light-emitting component of red, green, blue simultaneously, if can white light be sent when so possessing identical light quantity.By this type of drive, light emitting module 237 can show full color.In fact not only according to the kind of cultivated plant, also can according to the growth conditions adjusting wavelength of cultivated plant and light quantity.
Fig. 4 be display Fig. 2 electric supply installation, regulation and control module and light emitting module in a part circuit diagram.
For convenience of explanation, eliminate the communication module of carrying out wireless near field communication for regulating and controlling module 231 and gateway 225 in Fig. 2 in the diagram, and eliminate the structure that electric supply installation 229 links with metering module 233.Below, if when the light-emitting component describing light emitting module 237 is LED.
With reference to Fig. 4 and Fig. 2, frequency converter 300 and DC-to-dc converter 310 form a part for electric supply installation 229.The conventional electricity of 110V or 220V from outside is converted the direct current of 24V at this frequency converter 300, and send it to LED illuminating part 330, contrary DC-to-dc converter 310 converts the 24V direct current changed by frequency converter 300 to 3.3V direct current again, and sends it to the drive circuit of LED controller 320 and LED illuminating part 330.
LED controller 320 forms a part for regulation and control module 231, and the regulation and control according to gateway 225 carry out pulse width modulation to the LED element of LED illuminating part 330.When so carrying out pulse width modulation, LED controller 320 is to serial clock (SCLK1) the port input sync signal of drive circuit forming LED illuminating part 330, thus by carrying out pulse width modulation according to this synchronizing signal in the mode of serial clock (SCLK1) port input data clock.Now, the data handling procedure between LED controller 320 and drive circuit can adopt wire and wireless mode, but considers the simple etc. of facility in plant factor in embodiments of the present invention, adopts wireless mode to be good.
LED illuminating part 330 forms a part for light emitting module 237, can be divided into LED element and the drive circuit driving this LED element for constant current.LED element is by for providing the LED element of the red, green, blue of full color array on printed circuit board (PCB) or metal substrate to form, and unit substrate can form by diversified shape.Plate (Plate) shape or bar-shaped as fluorescent lamp such as can be adopted to form.This unit substrate easily dismantled, thus according to the increase of area under cultivation in plant factor, can drive after multiple series connection again.
And insert variable resistance (Rv) in LED element side, variable resistance in order to give the LED element supply of each RGB determine voltage and play the function of component voltage.Such as, when supposing to drive red LED element to need 8V, because frequency converter 300 exports the voltage of 24V, the variable-resistance both end voltage therefore inserted in red LED element side should be 16V, and only in this way this LED element just understands stabilized illumination.
Variable resistance can calculate by following mathematical expression 1.
Mathematical expression 1
VDS＝V
ied-V
F×N-V
DROP
At this, V
iedload voltage, V
fbe LED driving voltage, N is the quantity of LED of series connection.Suppose, in mathematical expression 1, V
ied=24V, VF=3.2V, N=7, V
dROPduring=-0.6V, so VDS=0.7 ~ 1.2V, now due to I
f=28mA, the variable resistance therefore calculated according to Ohm's law is 21.42 Ω.Insert calculate the resistance value of variable resistance (Rv) by same way after.
Drive circuit can comprise the drive circuit of full-bridge type, comprises benchmark (REF) resistance between itself and ground connection.Reference resistance can be according to each output current of resistance value adjusting red, green, blue, constant current.In other words, drive circuit receives the 3.3V direct current sent by DC-to-dc converter 310, according to the resistance value of reference resistance, such as, the constant current of 28.66mA is sent to each LED element.
For the drive circuit regulating constant current the following mathematical expression 2 of service condition shown in.
Mathematical expression 2
Iout[mA]＝(V
RER[V]×900)/REF[Ω]
With reference to mathematical expression 2, due to Iout=28.66mA, V
rEF=1.21V, therefore the resistance value of reference resistance is 38K Ω.
Fig. 5 is the figure that diagram utilizes the plant cultivation process of LED illumination, and Fig. 6 is the figure for illustration of pulse width modulation.
With reference to Fig. 5 and Fig. 1, first control device 200 receives the photographed data-S501 of charge-coupled image sensor (CCD) the video camera shooting by being located at the camera 227 in plant factor, and is accepted by gateway 225 and collect the voltage relevant information that sent by metering module 233 and be located at perception data-S503, S505, S507 of the various sensor senses of the optical sensor, humidity sensor etc. of sensor assembly 235.Now gateway 225 is received and sent messages and data by the wireless near field communication net as honeycomb with metering module 233 and sensor assembly 235, the information received at gateway 225 and data by transitional informations such as procotols, are sent to control device 200 by wired wireless router 221.
Then control device 200 confirms the image that received by camera 227, and it is without exception to confirm that light emitting module 237 has, and analyzes-S509 to voltage related data and perception data.Such as, control device 200 can analyze cultivated plant and whether be subject to suitable photosynthetic wavelength, whether is in the wave-length coverage being convenient to grow.The wavelength being included in the light in sunlight has a variety of, but wherein the wavelength of 420 ~ 470nm and 620 ~ 690nm can promote that photosynthesis is proved, therefore control device 200 is analyzed and whether is remained on this wave-length coverage, and then also judges that whether green light is in 500-560nm scope.
When confirm image found that light emitting module 237 occurs abnormal time, the gerentocratic mobile phone of plant factor etc. will be contacted, inform and occur extremely, when but if the result of analytical voltage related data and perception data needs to change inside plants environment, relevant information is sent to manager with operating means 223, it be asked to keep optimum state-S511.Certain control device 200 not only provides relevant information, also can notify that the gerentocratic mobile phone of plant factor etc. needs to change plant factor's internal environment.
Will ask according to control device 200, manager extracts the regulation and control data be kept in internal memory with operating means 223, and sends it to gateway 225-S513.In the regulation and control data that this selects in internal memory, the analysis result automatic running program that can send based on control device 200, and in internal memory, extract related data, and send it to gateway 225, also can be sent by user interface.Now this regulation and control high priority data is sent to gateway 225 by wireless near field communication.
Then gateway 225 transmits these regulation and control data-S515 to regulation and control module 231.Certainly gateway 225 also can transmit this data to metering module 233 or sensor assembly 235 in the process, and therefore the embodiment of the present invention is not limited to only transmit to regulation and control module 231.
In the process, such as gateway 225 receives regulation and control data from manager with operating means 223, and analyzes feature or the character of these data.At this so-called feature or property analysis, refer to because gateway 225 possesses the identifying information of the module for transmitting these regulation and control data, can regulate the light emitting module 237 in the place of cultivating specified plant, go forward side by side a step control as, adjusting wavelength, regulation voltage or regulate planting environment as humidity.Controllable is positioned at the regulation and control module 231 of specific cultivation place, metering module 233 and sensor assembly 235 accordingly.
When regulating and controlling module 231 and judging that it needs adjusting wavelength etc. based on the regulation and control data received, light modulation-S517 will be carried out to the light-emitting component of light emitting module 237, as LED element.In other words, regulation and control module 231 opens the switch element being positioned at drive circuit, and lights LED element, if suppose, the brightness of now LED is 100%, in order to LED luminance is transferred to 50%, adds variable resistance and realize 50%, or input voltage turned down 50% and regulate brightness.The embodiment of the present invention as shown in Figure 6, by input voltage being turned down to the method for 50%, when producing certain pulse, regulating dutycycle and regulating LED to send the wavelength of light.Adjustment dutycycle like this and provide certain pulse, LED will be considered as mean value the turn-on time of pulse, thus obtains the effect as applying 50% voltage.In fact each second, switch was tens thousand of time for LED element in the process, but the lighting of the moment that is invisible to the naked eye.The photoreaction that this pulse width modulation can effectively make to use up, carbon reaction, photoreaction produces photosynthetic response when illumination is penetrated, and carbon reaction produces carbohydrate when not having illumination to penetrate.Repeat this photoreaction and carbon react the growth of plant and promote very effective.
As mentioned above, plant growth needs to promote photosynthesis, and form occurs also to be very important factor.Refer to seed sprouting in this form, petal opened, bloom, spire expansion, Chlorophyll synthesis, the mass change such as season intercalary growth.For this reason for promoting that the wavelength of photosynthetic red light is 620 ~ 690nm, for promoting that the wavelength of morphogenetic blue light is 420 ~ 470nm.Visible needed for the growth conditions of plant wavelength different, and mainly use red light and blueness.Considering in this point embodiment of the present invention, when forming wave-length coverage, in order to form full color, carrying out the pulse width modulation of light emitting module 237, and wave-length coverage needed for free adjustment.By pulse width modulation, can by red furnishing 100%, blue furnishing 20% and regulate required wavelength and light quantity.Its result, setting LED red light at 620 ~ 690nm, blue light in 420 ~ 470nm, green light at 500 ~ 560nm.
Utilize the pulse width modulation of full-color LED and the wavelength regulation of carrying out, the wavelength of required red, green, blue only can be provided according to plant, and remove unnecessary wavelength, thus best light quantity can be provided to plant.By provide specific wavelength can mould fungus inhibition, insect.Table 1 shows the arrangement result of photochromic and wavelength, crops, effect.
Table 1
In addition, according to the driving method of the plant cultivation LED light device of the embodiment of the present invention, there is no different from gateway 225 illustrated in plant cultivation method in system in Fig. 1 and Fig. 5, electric supply installation 229, the function that regulates and controls module 231, metering module 233, sensor assembly 235 and light emitting module 237, therefore omit repeat specification.
Above-mentioned explanation is illustrating of the technology of the present invention thought, possesses the people of the usual knowledge of the technical field of the invention, can carry out diversified amendment and distortion in the scope not exceeding inner characteristic of the present invention.Therefore, embodiment disclosed in the present invention, is not intended to limit technological thought of the present invention, and just for being described, thus the scope of the technology of the present invention thought is not limited to these embodiments.Protection scope of the present invention should make an explanation according to claims, and should be interpreted as all should being included in interest field of the present invention with all technological thoughts in its equivalency range.
Further, vocabulary such as " comprising ", " formation " or " possessing " of recording in specification, when not having record contrary especially, meaning built with this component, should be interpreted as not getting rid of other components and also can comprise other components.Comprising all vocabulary of technology or scientific terms, when there is no different definition, being interpreted as possessing the meaning that usual the understood content of people of the usual knowledge of technical field of the present invention is identical.There are the normally used vocabulary such as the vocabulary of definition at dictionary, should be interpreted as the train of thought with correlation technique is looked like the consistent meaning, under there is no clearly defined situation in the present invention, should not be construed as unrealistic or the meaning of exaggeration.
Embodiments of the invention relate to a kind of plant cultivation system and method, plant cultivation LED light device and the driving method thereof that utilize LED illumination.According to the embodiment of the present invention, connect by the manager from plant factor inside with the network of operating means to the LED module in remote place and regulate and control, accurately can carry out respectively for each cultivated plant, and Promoting plant growth.And the LED module used in plant factor or the regulator control system comprising rural area system and its LED module can be carried out standard criterion, thus the factor improving plant cultivation cost can be reduced, and improve the business efficiency of cultivated plant.
Claims (10)
1. utilize a plant cultivation system for LED illumination, it is characterized in that, comprising:
Sensor assembly, it comprises the sensor of the cultivation of plants environmental information of cultivating in arbitrary site for perception, the data generated by said sensed are sent to the control device for analyzing said sensed data, and utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate above-mentioned planting environment;
Manager's operating means, deposits middle preservation within it for regulating the above-mentioned regulation and control data of above-mentioned planting environment by form of look, and will asking of being sent by above-mentioned control device according to the analysis result based on said sensed data, and export above-mentioned regulation and control data;
Gateway, receives said sensed data be sent to above-mentioned control device from the sensor module, receives above-mentioned regulation and control data and be sent to the sensor module and the module except the sensor module from above-mentioned manager with operating means; And
Regulation and control module, receives above-mentioned regulation and control data from above-mentioned gateway, and will be irradiated to the color of the LED light of plant according to above-mentioned regulation and control data selection, then carries out light modulation and change the wavelength of selected above-mentioned LED light.
2. the plant cultivation system utilizing LED illumination according to claim 1, is characterized in that,
Also comprise light emitting module, and above-mentioned light emitting module comprises multiple single-bit modules of irradiation LED light, thus different planting environments can be maintained according to the floristics of cultivating in arbitrary site, above-mentioned single-bit module possesses the identifying information of the position for confirming the place of cultivating above-mentioned plant, and can be combined with each other when the increase of above-mentioned cultivation of plants area.
3. the plant cultivation system utilizing LED illumination according to claim 2, is characterized in that, also comprise:
Electric supply installation, it converts alternating current to direct current and is sent at least one module in above-mentioned regulation and control module, the sensor module, above-mentioned light emitting module; And
Metering module, it collects the voltage relevant information sent by above-mentioned electric supply installation, and is sent to above-mentioned control device, utilizes the above-mentioned regulation and control data that the analysis result based on above-mentioned voltage relevant information sends, and resets the power state of above-mentioned electric supply installation.
4. the plant cultivation system utilizing LED illumination according to claim 3, is characterized in that,
Also comprise camera, the shooting image taken in above-mentioned arbitrary site is sent to above-mentioned control device by above-mentioned camera.
5. the plant cultivation system utilizing LED illumination according to claim 4, is characterized in that,
Also comprise control device, the data that above-mentioned control device analysis receives from above-mentioned camera, above-mentioned metering module, the sensor module, Calculation results, and to send with operating means to above-mentioned manager based on above-mentioned analysis result and will ask and export above-mentioned regulation and control data.
6. the plant cultivation system utilizing LED illumination according to claim 4, is characterized in that,
Also comprise wired wireless router, above-mentioned wired wireless router sets the path of above-mentioned manager with operating means, above-mentioned gateway, above-mentioned camera according to will asking of above-mentioned control device, and processing relevant information.
7. a plant cultivation LED light device, is characterized in that, comprising:
Light emitting module, it comprises multiple single-bit modules of irradiation LED light, different planting environments can be maintained according to the floristics of cultivating in arbitrary site, and above-mentioned single-bit module possesses the identifying information of the position for confirming above-mentioned place, and can be combined with each other when the increase of above-mentioned cultivation of plants area;
Sensor assembly, it comprises for the sensor of perception about the information of above-mentioned planting environment, the data generated by said sensed are sent to the control device for analyzing said sensed data, and utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate above-mentioned planting environment;
Regulation and control module, receives above-mentioned regulation and control data and above-mentioned identifying information that the analysis result based on said sensed data sends, and carries out light modulation and irradiate different LED light to make above-mentioned single-bit module according to above-mentioned identifying information;
Electric supply installation, receives conventional power supply and converts thereof into direct current, and the above-mentioned direct current of conversion is fed at least one module in above-mentioned light emitting module, the sensor module, above-mentioned regulation and control module;
Metering module, it is collected the voltage relevant information that provided by above-mentioned electric supply installation and sends it to above-mentioned control device, utilizes the above-mentioned regulation and control data that the analysis result based on above-mentioned voltage relevant information sends, and resets the power state of above-mentioned electric supply installation.
8. plant cultivation LED light device according to claim 7, is characterized in that,
Also comprise gateway, above-mentioned gateway receives above-mentioned regulation and control data, and sends it to the sensor module, above-mentioned regulation and control module, above-mentioned metering module by wireless near field communication.
9. utilize a plant cultivation method for LED illumination, it is characterized in that, comprising:
By regulating sensor assembly, the cultivation of plants environmental information that perception is cultivated in arbitrary site and generate perception data, generated perception data is sent to the control device for analyzing said sensed data, utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate the step of above-mentioned planting environment;
In internal memory, the above-mentioned regulation and control data for regulating above-mentioned planting environment are preserved by form of look, will the asking of being sent by above-mentioned control device according to the analysis result based on said sensed data, and export the step of above-mentioned regulation and control data with operating means from manager;
Said sensed data are received from the sensor module by gateway, and send it to above-mentioned control device, and receive above-mentioned regulation and control data from above-mentioned manager with operating means, then send it to the step of the sensor module and the module except the sensor module;
Receive above-mentioned regulation and control data by above-mentioned gateway, regulation and control module will be irradiated to the color of the LED light of above-mentioned plant based on above-mentioned regulation and control data selection, and carries out light modulation and change the step of the wavelength of selected above-mentioned LED light.
10. a driving method for plant cultivation LED light device, is characterized in that, comprising:
By the step of multiple single-bit module irradiation LED light, and above-mentioned multiple single-bit module possesses the identifying information for confirming the arbitrary site of cultivating variety classes plant;
The information of the above-mentioned plant cultivation environment of perception and generate perception data, and the control device generated said sensed data are sent to for analyzing said sensed data, utilize the regulation and control data that the analysis result based on said sensed data sends, and regulate the step of above-mentioned planting environment;
Receive the above-mentioned regulation and control data and above-mentioned identifying information that send based on the analysis result of said sensed data, and carry out light modulation and irradiate the step of different LED light to make above-mentioned single-bit module according to above-mentioned identifying information;
Receive alternating current and also convert thereof into direct current, and the above-mentioned direct current supply of conversion is used for irradiate above-mentioned LED light light emitting module, be used for the step that regulates the sensor assembly of above-mentioned planting environment and be used at least one module of carrying out in the regulation and control module of above-mentioned light modulation;
Collect the voltage relevant information being sent to above-mentioned light emitting module, the sensor module and above-mentioned regulation and control module, and send it to above-mentioned control device, the above-mentioned regulation and control data utilizing the analysis result based on above-mentioned voltage relevant information to send, reset the step of the electric power of supply above-mentioned light emitting module, the sensor module and above-mentioned regulation and control module.
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|---|---|---|---|
| PCT/KR2012/008127 WO2014058081A1 (en) | 2012-10-08 | 2012-10-08 | System and method for cultivating plant using led lighting, led lighting device for plant cultivation and method for driving said device |
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| CN104661514B CN104661514B (en) | 2017-06-09 |
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| WO2014058081A1 (en) | 2014-04-17 |
| CN104661514B (en) | 2017-06-09 |
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