CN107258394A - Intelligent plant growth experimental provision and its temperature adjusting method - Google Patents

Intelligent plant growth experimental provision and its temperature adjusting method Download PDF

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Publication number
CN107258394A
CN107258394A CN201710638692.6A CN201710638692A CN107258394A CN 107258394 A CN107258394 A CN 107258394A CN 201710638692 A CN201710638692 A CN 201710638692A CN 107258394 A CN107258394 A CN 107258394A
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temperature
cultivating chamber
chamber
cultivating
plant growth
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CN201710638692.6A
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CN107258394B (en
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刘晓英
焦学磊
徐志刚
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Nanjing Agricultural University
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Nanjing Agricultural University
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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
    • A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/14—Greenhouses
    • A01G9/16—Dismountable or portable greenhouses ; Greenhouses with sliding roofs
    • 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
    • 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
    • A01G9/18—Greenhouses for treating plants with carbon dioxide or the like
    • 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
    • A01G9/246—Air-conditioning systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Botany (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cultivation Of Plants (AREA)
  • Greenhouses (AREA)

Abstract

The invention discloses between a kind of Intelligent plant growth experimental provision, including the first cultivating chamber, the second cultivating chamber, water-cooled LED area light source, control system, cover plate, public controlled atmosphere and CO2Fertilizer apparatus, compressor, fertilizer bucket, water tank etc..Described device is heated using compressor cooling, PTC, and recycles the heat of LED/light source generation, controls the joint temperature controlling mode of temperature between public controlled atmosphere；Wherein, the control of two cultivation room temperatures is regulated and controled by controlling between public controlled atmosphere the temperature of plenum chamber and the flow and rotating speed of cultivating chamber blower fan, and managing independently for cultivation room temperature can be achieved.The invention also discloses the temperature adjusting method of above-mentioned Intelligent plant growth experimental provision, its is reasonable in design, easy to use, effectively realizes the temperature adjusting of device.

Description

Intelligent plant growth experimental provision and its temperature adjusting method
Technical field
The invention belongs to reading intelligent agriculture equipment and administration of energy conservation field, more particularly to a kind of Intelligent plant growth experimental provision And its temperature adjusting method.
Background technology
It is that the mankind improve existing kind to cultivate new varieties, adapts to environmental change, lifts the important means of species resistance, properly Artificial experimental provision carry out plant growth experiment can accelerate growing process.The artificial environment that exploration is suitable for plant growth is needed Carry out substantial amounts of scientific experimentation, the Artificial facilities of the envirment factors such as accuracy controlling illumination and temperature certainly will be needed, so, intelligence Can plant growing device have very big market and pent-up demand space.With the development of aeronautical and space technology, the earth People is more and more frequent for the exploration of the outer space, and the outer space food supply system of astronaut is also required to such plant feed unit. Equally, family planting demand is also the potential market of Intelligent plant growth experimental provision.
Illumination and temperature are two topmost envirment factors during plant life, and both have coupled relation, mutually swash, Complementation mutually affects growing for plant to suppression.Meanwhile, illumination and temperature are also artificial lighting experimental provision main energetic The factor of consumption, reasonably can efficiently reduce the electric energy consumption of plant growth experimental provision using the heat management of light source.Compare it His conventional light source, based on the advantage of LED low energy consumption, it turns into main stream light sources of plant growth experimental provision, but many plants Growth experiment device still suffers from the demand that spectrum, light quantity do not reach plant, there is the problem of light regulation and control are flexible not enough.Traditional plant , there is the shortcomings of utilization rate of equipment and installations is low, temperature plateau is poor, influence environment in the general only one of which cultivating chamber of thing growth experiment device The control accuracy of the factor, and accuracy, the utilization rate of equipment and installations of influence experiment, energy-saving plant growth experimental provision need to be pushed away Go out.
The content of the invention
Goal of the invention：For drawbacks described above of the prior art, management is coupled based on light temperature this application provides one kind, matched somebody with somebody Standby light, temperature, water, gas, fertile regulator control system, and equipment efficiency of usage is high, save the Intelligent plant growth experimental provision of electric energy consumption, together When additionally provide the temperature adjusting method of above-mentioned Intelligent plant growth experimental provision.
Technical scheme：Intelligent plant growth experimental provision described herein, including：
Bracket, plays installation supporting role；
Casing, is placed in bracket front part, the casing and is provided with the first cultivating chamber and the second cultivating chamber, first cultivating chamber Configure just the same with the second cultivating chamber, cultivating stand is placed in inside, and cultivating stand is provided with the cultivation beds of planting plants, cultivation bed Side is provided with water-cooled LED area light source；
Control system, is placed in casing top；
Cover plate, is placed in above casing；
Between public controlled atmosphere, including shape between first cultivating chamber and the second cultivating chamber, between the cultivating chamber and casing Into plenum chamber, the return air chamber formed between the cover plate and casing, air inlet and air outlet, wherein, the return air chamber and send Transducer, the radiating that the plenum chamber is connected provided with ptc heater and with water-cooled LED/light source radiating water route are provided with the middle of air compartment Device, the air inlet and air outlet are provided with blower fan；
It is arranged on the CO of rear bracket part2Fertilizer apparatus, compressor, fertilizer bucket and water tank；The CO2Fertilizer apparatus, compression Machine, fertilizer bucket and water tank are directly connected, and pass through control system direct regulation and control by pipeline with two cultivating chambers；
The water-cooling system of the LED area light source is connected by pipeline with water tank, the water-cooling system of the LED area light source with Pipeline between water tank is also connected with the lateral of radiator side by side.
The thermals source such as ptc heater and radiator are installed on the plenum chamber between public controlled atmosphere, the integrated pipe of multi-heat source is carried out Reason, can make the Temperature Distribution of cultivating chamber more uniform.It is further preferred that the ptc heater and radiator be arranged on it is described In the plenum chamber formed between first cultivating chamber and the second cultivating chamber so that thermal source is in airflow circulating and originates position, reaches height Effect comprehensive utilization.
As another preferred, in order that the temperature for obtaining the first cultivating chamber and the second cultivating chamber is managed independently, in institute State and dividing plate is set between the first cultivating chamber and the second cultivating chamber, air inlet is set respectively in described dividing plate the right and left.
The cover plate is removably placed in above casing, and realization is isolated with external environment, plays dust-separation protective action.
The blower fan is axial flow blower, using pulsewidth modulation (PWM) Schema control blower fan wind speed.The blower fan uses PWM Regulation and control model, the working condition of blower fan and ptc heater is regulated and controled according to the temperature control size of the difference of real time temperature and design temperature, When close to temperature control level, the input voltage of ptc heater or the rotating speed of blower fan are turned down.Such control methods can avoid temperature control Fluctuation is big, the problems such as influenceing the service life of equipment, it is possible to decrease emergency reaction of the plant to temperature.
The water-cooled LED area light source is polychrome high-capacity LED, there is red, blue, yellow, green, white five kinds of spectral compositions, wherein LED is arranged using array element, and light source can configure suitable LED array number according to the cultivated area of cultivating chamber, can be achieved spectrum, Light energy and light application time flexibility are adjustable, and the heat produced by LED chip can be recycled on demand.
The bracket bottom surface is provided with roller, can facilitate the movement of whole device.
Described Intelligent plant growth experimental provision also includes human-computer dialogue panel, and user can pass through this panel arrange parameter Or obtain real-time and historical data.
Operation principle：Described Intelligent plant growth experimental provision is that top send side to return circulation air supply pattern, is specifically shown in Fig. 3 institutes Show that the plenum chamber that transducer sends into fresh air between public controlled atmosphere after the integrated management of multi-heat source in plenum chamber, is opened according to demand The blower fan of correspondence cultivating chamber is opened or closed, corresponding cultivating chamber is pumped air into, return air chamber is returned to after circulation；Water-cooled The heat that LED chip is produced in LED area light source is water cooled the water displacement of system, is then respectively configured according to temperature treatment demand, When needing to heat the air between public controlled atmosphere, the pipeline of connection radiator is opened, by the hot water after displacement heat by pipeline The radiator led between public controlled atmosphere, then introduces water tank；Otherwise, water tank is directed directly to, temperature control energy consumption between public controlled atmosphere is reduced.
The temperature adjusting method of above-mentioned Intelligent plant growth experimental provision, comprises the following steps：
Step one, setting control deviation α, β, θ；Wherein, wherein, α and β are that the first cultivating chamber and the second cultivating chamber are set respectively The control deviation of constant temperature degree, θ is between public controlled atmosphere and cultivating chamber real time temperature regulation and control deviation, and user can voluntarily set according to demand It is fixed；
Step 2, the outdoor real time temperature T of collectionO, the first cultivating chamber real time temperature T1i, the second cultivating chamber real time temperature T2iWith And real time temperature T between public controlled atmosphereGi, the first cultivating chamber design temperature T is set1SAnd second cultivating chamber design temperature T2S；
Step 3, compares two cultivating chamber design temperatures, works as T1S≥T2SWhen, compare TGiWith two cultivating chamber design temperatures：
Work as T2S≤TGi≤T1SWhen, then the temperature of the small cultivating chamber of preferential regulation and control temperature difference absolute value regulates and controls another cultivation again Room temperature is trained, the heat produced by being heated when needing heating using PTC and utilizing LED/light source, when needing refrigeration using pressure Contracting mechanism cold；
Work as TGi<T2S<T1SWhen, it is preferential to use ptc heater and heat regulation and control second using the heat produced by LED/light source Room temperature is cultivated, when the second cultivation room temperature reaches design temperature, continues to heat, regulation and control first cultivate room temperature until reaching Design temperature；
Work as T2S<T1S<TGiWhen, it is preferential to cultivate room temperature using compressor cooling regulation and control first, refrigeration is then proceeded to, then adjust Control the temperature of the second cultivating chamber；
Or, work as T1S<T2SWhen, the same above step of control strategy only regulates and controls the first cultivating chamber and the second cultivation room temperature The precedence of degree is changed, therefore omits associated regulatory step.
Idiographic flow is shown in Fig. 4, and wherein cultivating chamber 1 is the first cultivating chamber, and cultivating chamber 2 is the second cultivating chamber.
The present invention determines temperature control method according to the difference between public controlled atmosphere with 2 cultivating chamber design temperatures, minimum with energy consumption For principle, then the temperature of selection less cultivating chamber of the temperature difference first between regulation and control design temperature and public controlled atmosphere regulates and controls another again The temperature of cultivating chamber, realizes the purpose of Energy Saving Control.In addition, between employing public controlled atmosphere, reducing temperature control energy consumption.When two cultivations When the design temperature of training room is below or is all higher than outdoor temperature, temperature adjustment energy consumption, which is less than, realizes same control to require two one The energy consumption of the Intelligent plant growth experimental provision of room.If the design temperature of two cultivating chambers is respectively T1SAnd T2S, cultivating chamber 1 Plant growth experimental provision regulation and control arrive design temperature T1SWhen energy consumption be Δ E1, regulation and control to design temperature T2SWhen energy consumption be Δ E2, It is only Δ E that the temperature adjustment energy consumption of two Room, which is received,2.When outdoor temperature is between the design temperature of two cultivating chambers, in theory originally The temperature adjustment energy consumption of experimental provision wants more bigger, should be equal to Δ E1+ΔE2+ Δ E, increment is Δ E, and it is design temperature and public gas The temperature of the less culture room of temperature difference is adjusted to the heat produced during design temperature between tune.But, compare the plant growth of a Room Experimental provision, the control temperature difference of the invention is small, because the plant growth experimental provision temperature control difference of a traditional Room is outdoor temperature With the difference of cultivating chamber design temperature, and the present invention regulation and control temperature difference value be public controlled atmosphere between and cultivating chamber the temperature difference.Further, since Have the cushioning effect between public controlled atmosphere, greatly reduce the overall heat dissipation capacity of device, improve the heat insulating ability of cultivating chamber, heating or The number of times of cooling is less, so total operation energy consumption is substantially reduction.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Beneficial effect：Prior art is compared to, Intelligent plant growth experimental provision described herein includes following excellent Gesture：(1) by designing between public controlled atmosphere, thermal source is installed on plenum chamber, the integrated management of multi-heat source is realized, by managing gas The rotating speed of temperature and blower fan between tune realizes managing independently for cultivation room temperature, smart can measure the sky that ground control enters each cultivating chamber Throughput and flow velocity, realize energy-saving type temperature-controlled mode；(2) water-cooled LED area light source is used, and recycles its heat energy, uniformly Mixing hot and cold air-flow so that the air-flow epidemic disaster entered in cultivating chamber evenly, reduces the temperature emergency reaction of plant；(3) set Two cultivating chambers have been put, most equipment has been shared, improves equipment complex utilization ratio.Intelligent plant growth described herein The temperature adjusting method of experimental provision is, based on energy conservation object design, not only effectively to realize the temperature adjusting of device, and drop Low temperature control energy consumption.In terms of comprehensive, the present apparatus is based on light temperature and couples management, is equipped with light, temperature, water, gas, fertile regulator control system, has Save equipment, many advantages, such as energy consumption is low, temperature stability is good, the experimental provision can be used for environmental change to growth and development of plants The research of influence or the plant of breeding, can also turn into the plant cultivation of the outer space food supply system of astronaut, can also For family planting.
Brief description of the drawings
Fig. 1 is Intelligent plant growth experimental provision structural representation (wherein, A is front view, and B is side view)；
Fig. 2 is the LED layout drawing of water-cooled LED area light source；
Fig. 3 is Intelligent plant growth experimental provision airflow circulating schematic diagram；
Fig. 4 is cultivating chamber temperature adjusting method few examples flow chart.
Wherein, bracket 1, casing 2, the first cultivating chamber 3, the second cultivating chamber 4, cultivating stand 5, cultivation bed 6, water-cooled LED faces Light source 7, control system 8, cover plate 9, plenum chamber 10, return air chamber 11, air inlet 12, air outlet 13, transducer 14, ptc heater 15th, radiator 16, CO2Fertilizer apparatus 17, compressor 18, fertilizer bucket 19, water tank 20, dividing plate 21, roller 22, human-computer dialogue panel 23。
Embodiment
The present invention is explained in detail with reference to specific embodiment.
Embodiment 1
Intelligent plant growth experimental provision as shown in Figure 1, including the bracket 1 for installing supporting role is played, it is placed in bracket 1 The first cultivating chamber 3 and the second cultivating chamber 4 are provided with anterior casing 2, casing 2, wherein the first cultivating chamber 3 and the second cultivating chamber 4 Configuration is just the same, and cultivating stand 5 is placed in inside, and cultivation bed 6 of the cultivating stand 5 provided with planting plants, the top of cultivation bed 6 are provided with water Cold type LED area light source 7；The top of casing 2 is provided with control system 8；The top of casing 2 is provided with cover plate 9；Also include between public controlled atmosphere, wrap The plenum chamber 10 for including between the first cultivating chamber 3 and the second cultivating chamber 4, being formed between cultivating chamber and casing 2, and cover plate 9 and case The return air chamber 11 formed between body 2, air inlet 12 and air outlet 13, are provided with dividing plate between the first cultivating chamber 3 and the second cultivating chamber 4 21, in described the right and left of dividing plate 21, air inlet 12 is set respectively, wherein, it is provided with transducer in the middle of return air chamber 11 and plenum chamber 10 14, in the plenum chamber 10 that is formed between the first cultivating chamber 3 and the second cultivating chamber 4 provided with ptc heater 15 and with water-cooled LED faces The connected radiator 16 in light source heat radiation water route, air inlet 12 and air outlet 13 are equipped with axial flow blower, and use pulsewidth modulation mould Formula controls blower fan wind speed；The rear portion of bracket 1 is also arranged CO2Fertilizer apparatus 17, compressor 18, fertilizer bucket 19 and water tank 20；Its In, the water-cooling system of water-cooled LED area light source 7 is connected by pipeline with water tank 20, the water of the water-cooled LED area light source 7 Pipeline between cooling system and water tank 20 is also connected with the lateral of radiator 16 side by side.The bottom surface of bracket 1 is additionally provided with roller 22, Also include human-computer dialogue panel 23.
The water-cooled LED area light source 7 is polychrome high-capacity LED, there is red, blue, yellow, green, white five kinds of spectral compositions, wherein LED is arranged using array element, and its LED arrangement is as shown in Fig. 2 light source can configure suitable according to the cultivated area of cultivating chamber LED array number.
Above-mentioned Intelligent plant growth experimental provision is that top send side to return circulation air supply pattern, and the airflow circulating for being specifically shown in Fig. 3 shows It is intended to, the plenum chamber that transducer sends into fresh air between public controlled atmosphere, after the integrated management of multi-heat source in plenum chamber, according to demand The blower fan of correspondence cultivating chamber is turned on and off, corresponding cultivating chamber is pumped air into, return air chamber is returned to after circulation；Water cooling The heat that LED chip is produced in formula LED area light source is water cooled the water displacement of system, is then matched somebody with somebody respectively according to temperature treatment demand Put, when needing to heat the air between public controlled atmosphere, open the pipeline of connection radiator, by the hot water after displacement heat by pipe The radiator that road is led between public controlled atmosphere, then introduces water tank；Otherwise, water tank is directed directly to, temperature control energy between public controlled atmosphere is reduced Consumption.
Embodiment 2
The temperature adjusting method of Intelligent plant growth experimental provision, comprises the following steps described in embodiment 1：
Step one, setting control deviation α, β, θ；Wherein, α and β are the first cultivating chamber and the second cultivating chamber setting temperature respectively The control deviation of degree, θ is between public controlled atmosphere and cultivating chamber real time temperature regulation and control deviation, and user can sets itself according to demand；
Step 2, the outdoor real time temperature T of collectionO, the first cultivating chamber real time temperature T1i, the second cultivating chamber real time temperature T2iWith And real time temperature T between public controlled atmosphereGi, the first cultivating chamber design temperature T is set1SAnd second cultivating chamber design temperature T2S；
Step 3, compares two cultivating chamber design temperatures, works as T1S≥T2SWhen, compare TGiWith two cultivating chamber design temperatures：
Work as T2S≤TGi≤T1SWhen, then the temperature of the small cultivating chamber of preferential regulation and control temperature difference absolute value regulates and controls another cultivation again Room temperature is trained, the heat produced by being heated when needing heating using PTC and utilizing LED/light source, when needing refrigeration using pressure Contracting mechanism cold；
Work as TGi<T2S<T1SWhen, it is preferential to use ptc heater and heat regulation and control second using the heat produced by LED/light source Room temperature is cultivated, when the second cultivation room temperature reaches design temperature, continues to heat, regulation and control first cultivate room temperature until reaching Design temperature；
Work as T2S<T1S<TGiWhen, it is preferential to cultivate room temperature using compressor cooling regulation and control first, refrigeration is then proceeded to, then adjust Control the temperature of the second cultivating chamber；
Or, work as T1S<T2SWhen, the same above step of control strategy only regulates and controls the first cultivating chamber and the second cultivation room temperature The precedence of degree is changed, therefore omits associated regulatory step.
Fig. 4 illustrates the partial process view of cultivating chamber temperature adjusting method, that is, works as T1S≥T2SIn the case of part regulation side Method, wherein cultivating chamber 1 are the first cultivating chamber, and cultivating chamber 2 is the second cultivating chamber.It is visible according to Fig. 4, above-mentioned intelligent plant life The temperature adjusting method of long experimental provision, comprises the following steps：First, setting input control deviation α, β, θ, wherein, α and β divide It is not the control deviation of the first cultivating chamber and the second cultivating chamber design temperature, θ is adjusted with cultivating chamber real time temperature between public controlled atmosphere Deviation is controlled, user can sets itself according to demand；Then, outdoor real time temperature T is gatheredO, the first cultivating chamber real time temperature T1i, Two cultivating chamber real time temperature T2iAnd real time temperature T between public controlled atmosphereGi, the first cultivating chamber design temperature T is set1SAnd second The design temperature T of cultivating chamber2S；Secondly, compare two cultivating chamber design temperatures, it is illustrated that in merely illustrate T1S≥T2SSituation, compare TGiWith two cultivating chamber design temperatures, T is next listed2S≤TGi≤T1SAnd TGi<T2STwo kinds of situations：Work as T2S≤TGi≤ T1SWhen, by TGiWith T2SAnd T1SIt is respectively compared, then the temperature of the small cultivating chamber of preferential regulation and control temperature difference absolute value, as illustrated, working as |TGi-T1S|≥|TGi-T2S| when, the temperature of the second cultivating chamber of preferential regulation and control, and work as | TGi-T1S| ＜ | TGi-T2S| when, then preferentially Regulate and control the heat for heating and utilizing produced by LED/light source using PTC when heating is needed in the temperature of the first cultivating chamber, regulation process Amount, compressor cooling is used when needing refrigeration；Work as TGi<T2SWhen, it is preferential using ptc heater and using produced by LED/light source Heat heat regulation and control second cultivate room temperature, when second cultivation room temperature reach design temperature when, continue to heat, regulation and control first Cultivation room temperature is up to reaching design temperature, otherwise, preferential to cultivate room temperature using compressor cooling regulation and control first, then proceedes to Refrigeration, then regulate and control the temperature of the second cultivating chamber.

Claims (8)

1. a kind of Intelligent plant growth experimental provision, it is characterised in that including：
Bracket (1), plays installation supporting role；
Casing (2), is placed in bracket (1) front portion, the casing (2) and is provided with the first cultivating chamber (3) and the second cultivating chamber (4), institute State the first cultivating chamber (3) and the second cultivating chamber (4) configuration is just the same, cultivating stand (5) is placed in inside, and cultivating stand (5) is provided with The cultivation bed (6) of planting plants, cultivation bed (6) top are provided with water-cooled LED area light source (7)；
Control system (8), is placed at the top of casing (2)；
Cover plate (9), is placed in above casing (2)；
Between public controlled atmosphere, including between first cultivating chamber (3) and the second cultivating chamber (4), the cultivating chamber and casing (2) it Between the plenum chamber (10) that is formed, the return air chamber (11) formed between the cover plate (9) and casing (2), air inlet (12) and air-out Mouth (13), wherein, transducer (14) is provided with the middle of the return air chamber (11) and plenum chamber (10), the plenum chamber (10) is provided with Ptc heater (15) and the radiator (16) being connected with water-cooled LED area light source radiating water route, the air inlet (12) and air-out Mouth (13) is provided with blower fan；
It is arranged on the CO at bracket (1) rear portion2Fertilizer apparatus (17), compressor (18), fertilizer bucket (19) and water tank (20)；
The water-cooling system of the water-cooled LED area light source (7) is connected by pipeline with water tank (20), the water-cooled LED faces Pipeline between the water-cooling system and water tank (20) of light source (7) is also connected with the lateral of radiator (16) side by side.
2. Intelligent plant growth experimental provision according to claim 1, it is characterised in that the ptc heater (15) and Radiator (16) is arranged in the plenum chamber (10) formed between first cultivating chamber (3) and the second cultivating chamber (4).
3. Intelligent plant growth experimental provision according to claim 1, it is characterised in that first cultivating chamber (3) and Dividing plate (21) is provided between second cultivating chamber (4), the right and left sets air inlet (12) respectively in the dividing plate (21).
4. Intelligent plant growth experimental provision according to claim 1, it is characterised in that the blower fan is axial flow blower, Blower fan wind speed is controlled using PWM mode.
5. Intelligent plant growth experimental provision according to claim 1, it is characterised in that the water-cooled LED area light source (7) it is polychrome high-capacity LED, there is red, blue, yellow, green, white five kinds of spectral compositions, wherein LED is arranged using array element, light source Suitable LED array number can be configured according to the cultivated area of cultivating chamber.
6. Intelligent plant growth experimental provision according to claim 1, it is characterised in that bracket (1) bottom surface is provided with Roller (22).
7. Intelligent plant growth experimental provision according to claim 1, it is characterised in that also including human-computer dialogue panel (23)。
8. the temperature adjusting method of Intelligent plant growth experimental provision described in claim 1, it is characterised in that comprise the following steps：
Step one, setting control deviation α, β, θ；Wherein, α and β are the first cultivating chamber and the second cultivating chamber design temperature respectively Control deviation, θ is between public controlled atmosphere and cultivating chamber real time temperature regulation and control deviation, and user can sets itself according to demand；
Step 2, the outdoor real time temperature T of collectionO, the first cultivating chamber real time temperature T1i, the second cultivating chamber real time temperature T2iAnd it is public Real time temperature T between common controlled atmosphereGi, the first cultivating chamber design temperature T is set1SAnd second cultivating chamber design temperature T2S；
Step 3, compares two cultivating chamber design temperatures, works as T1S≥T2SWhen, compare TGiWith two cultivating chamber design temperatures：
Work as T2S≤TGi≤T1SWhen, then the temperature of the small cultivating chamber of preferential regulation and control temperature difference absolute value regulates and controls another cultivating chamber again Temperature, the heat produced by being heated when needing heating using PTC and utilizing LED/light source uses compressor when needing refrigeration Refrigeration；
Work as TGi<T2S<T1SWhen, it is preferential to use ptc heater and heat the cultivation of regulation and control second using the heat produced by LED/light source Room temperature, when the second cultivation room temperature reaches design temperature, continues to heat, regulation and control first cultivate room temperature until reaching setting Temperature；
Work as T2S<T1S<TGiWhen, it is preferential to cultivate room temperature using compressor cooling regulation and control first, then proceed to refrigeration, then regulate and control the The temperature of two cultivating chambers；
Or, work as T1S<T2SWhen, the same above step of control strategy only regulates and controls the first cultivating chamber and second and cultivates room temperature Precedence is changed, therefore omits associated regulatory step.
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CN111077922A (en) * 2019-12-26 2020-04-28 重庆大学 Autonomous temperature control system suitable for biological culture of extraterrestrial space
CN115067123A (en) * 2022-07-07 2022-09-20 中铁第五勘察设计院集团有限公司 Environmental control method and system for container plant factory

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