CN103931442A - Intelligent water circulation temperature control system of solar energy and air energy coupled greenhouse seedbed - Google Patents
Intelligent water circulation temperature control system of solar energy and air energy coupled greenhouse seedbed Download PDFInfo
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- CN103931442A CN103931442A CN201410078088.9A CN201410078088A CN103931442A CN 103931442 A CN103931442 A CN 103931442A CN 201410078088 A CN201410078088 A CN 201410078088A CN 103931442 A CN103931442 A CN 103931442A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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Abstract
The invention discloses an intelligent water circulation temperature control system of a solar energy and air energy coupled greenhouse seedbed. The intelligent water circulation temperature control system is mainly provided with an air energy heater, a solar thermal collector and an intelligent decision support and control system, wherein the air energy heater and the solar thermal collector can be alternatively or simultaneously used for heating water for heating the seedbed, and the intelligent decision support and control system is used for collecting temperatures of heat conduction tubes, timely adjusting a water tank to supply water to the heat conduction tubes according to the collected temperatures and turning on the air energy heater to achieve automatic control over the temperature of the seedbed. Through coupling use of the solar thermal collector and the air energy heater, the problem that solar energy is insufficient on successive overcast and rainy or snowy days in winter is solved, and continuous operation of the intelligent water circulation temperature control system is ensured; the intelligent decision support and control system in the system can provide optimal warming schemes for different crops and carry out distributed management and intelligent temperature control on the seedbed according to the crop type and breeding stage of seedlings.
Description
Technical field
The present invention relates to the technical field of nursing young plants in hothouses, particularly a kind of solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system.
Background technology
Growing seedlings to have and save the area in protection ground, saves seed, is convenient to precision management, be conducive to cultivate strong sprout, and can premature ripening, and increase cropping index, the feature such as increase economic efficiency, so the proportion increase year after year of nursing young plants in hothouses.Because winter temperature is lower, in greenhouse, generally can adopt heating apparatus to improve warm indoor temperature, extensively adopt at present boiler to connect the heating mode of radiator, the energy that this mode adopts is mainly coal or electricity, causes energy waste, causes seedling cost higher.And this heating mode, air circulation is poor, causes room air muddy and do not circulate, and is unfavorable for that staff's in greenhouse is healthy.Indoor temperature is controlled by boiler, temperature control hysteresis, and radiator minimum areas is limited, and temperature uniformity is poor, and heating effect is undesirable; The idleness of equipment in summer, cooling-down effect is poor.
Summary of the invention
The invention provides a kind of solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system, to solve in prior art conventional boiler, connect radiator and heat, cause energy consumption large, pollute large, and the inhomogeneous defect of heating.Native system also can be used in seedling growing in summer, by water pump, squeezes into cold water, directly to seedbed cooling, has solved the situation of high humidity in the greenhouse that traditional Wet-curtain temperature reducing causes.
Technical scheme of the present invention is as follows:
A solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system, comprises
Be provided for the hot water of seedbed temperature control or the water tank of cold water;
For air energy heater and the solar thermal collector of heat hot water being provided to when needed described water tank;
Heat pipe for delivery of hot water or cold water for seedbed temperature control;
Intelligent decision support and control system, for gathering heat pipe temperature, and the water inlet to described heat pipe according to water tank described in the temperature timely adjustment collecting, and the unlatching of described air energy heater;
Wherein, described water tank and described heat pipe form water circulation path, be also provided with at least one of Water circulation hydrodynamics water pump is provided on this path.
In one embodiment of this invention, said system also comprises a collecting basin, and described collecting basin is arranged between heat pipe and solar thermal collector, is used to described solar thermal collector to input cold water to be heated, and reclaims the cold water that storage is flowed out by heat pipe.
In one embodiment of this invention, described solar thermal collector is connected with described water tank, by the hot water after described solar thermal collector heating, flows into described water tank; Described air energy heater is in parallel with described water tank; Described solar thermal collector and described air energy heater are for select a use or use simultaneously.
In one embodiment of this invention, described intelligent decision support and control system are divided into executing agency and expert database, wherein
Executing agency is comprised of some probes and starter, described probe is for catching the temperature information of described heat pipe or described water tank, described starter connects water pump or air energy heater, for impelling the water circulation valve opening of described water pump or close according to the instruction of described intelligent decision support and control system, or impel the unlatching of described air energy heater or close; Described expert database, for according to the crop species of seedling and growing stage, carries out distributed management to seedbed, Based Intelligent Control seedling bed temperature.
In one embodiment of this invention, the temperature information at the described heat pipe place that described probe is caught mates with the temperature required tables of data of Different Crop of setting in described expert database, in the heat pipe of catching, temperature is lower than in described temperature data table during design temperature, starter starts water pump, hot water is pressed in heat pipe, hot water stops in conducting strip, until temperature is again lower than design temperature, in heat pipe, water flows out in water circulation path.
In a preferred embodiment of the present invention, described heat pipe is arranged on below, seedbed.
In one embodiment of this invention, described heat pipe is by pipeline body and pipeline body conducting strip is around set forms, described conducting strip be provided with for the fixing a plurality of apertures in seedbed.
In one embodiment of this invention, described water tank is provided with insulating.
In one embodiment of this invention, described water pump is provided with two, and one of them water pump is arranged on the systemic circulation path of described water tank and described heat pipe, and another water pump is arranged on the partial circulating path of described air-source water heater and described water tank formation.
In one embodiment of this invention, when native system is used for greenhouse cooling, do not open described air-source water heater and described solar thermal collector, directly by water pump, in described heat pipe, squeeze into cold water, seedbed is lowered the temperature.
Compared with prior art, beneficial effect of the present invention is as follows:
The one, solar energy of the present invention coupling air energy greenhouse seedbed water circulation intelligent temperature control system, adopting electric energy, solar energy is thermal source, has replaced tradition and has usingd coal or all use electric energy as thermal source, has saved cost and has protected again environment;
In the 2nd, system of the present invention, a problem that has guaranteed continuous wet weather/snow day solar energy deficiency in winter is used in the coupling of air energy heater, guarantees the lasting running of this system;
The 3rd. intelligent decision support and control system in system of the present invention, for Different Crop, provide the optimum scheme of heating, according to the crop species of seedling and growing stage, distributed management is carried out in seedbed, Based Intelligent Control temperature;
The 4th. in system of the present invention, heat pipe is directly arranged at below, seedbed, has solved conventional art and has heated inhomogeneous technology barrier;
The 5th. heat storage water tank of the present invention is provided with insulating, can effectively keep water temperature, can be used for greenhouse seedbed heating at night;
The 6th, system of the present invention can be used for that heat winter or cooling in summer.
Certainly, implement arbitrary product of the present invention and might not need to reach above-described all advantages simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system in one embodiment of the invention;
Fig. 2 is the heat pipe schematic diagram of solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system in one embodiment of the invention.
Embodiment
The invention provides a kind of solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system, being mainly used in seedbed heats, also can be used for seedbed cooling in summer, it is abandoned conventional boiler and connects radiator or electricity heating mode, and heat energy solar thermal collector being transformed by water tank is collected, and the short time preserves, for night greenhouse heating heat energy is provided, when solar energy is not enough, as temperature in water tank, during lower than design temperature, starting air energy heater is the water supplementary heating in water tank; Intelligent decision is supported and control system is passed through the starter connection water tank of its executing agency and water pump and the air energy heater between water pump, air energy heater and water tank between heat pipe, probe image data by its executing agency also feeds back to its expert database, starts corresponding water pump or air energy heater after decision-making; Heat pipe is directly installed on below, seedbed, can directly to the seedling on seedbed, carry out low temperature and heat, and environment is lost towards periphery to reduce heat, reduces regulation and control seedling system air themperature energy consumption.Below with reference to specific embodiment, the present invention will be further described.But the embodiment the following describes only limits the solution of the present invention for further explaining to protection scope of the present invention and be not used in.
Embodiment 1
A kind of solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system shown in Figure 1, the present embodiment provides, comprising:
Collecting basin 1, solar thermal collector 2, water tank 3, air energy heater 4, intelligent decision support and control system 5, the first water pumps 7 and the second water pump 6, heat pipe 8, wherein
The water inlet of solar thermal collector 2 is connected with the delivery port of collecting basin 1, the delivery port of solar thermal collector 2 is connected with the water inlet of water tank 3, hot water after solar thermal collector 2 heating imports in water tank 3 to be preserved, the delivery port of water tank 3 connects heat pipe 8, the delivery port of heat pipe 8 connects the water inlet of collecting basin 1, on the systemic circulation path forming at collecting basin 1, solar thermal collector 2, water tank 3, heat pipe 8, be provided with the first water pump 7; Air energy heater 4 is in parallel with water tank 3, and is provided with the second water pump 6 on the partial circulating path forming at air energy heater 4 and water tank 3; Between above-mentioned each device, by the little material of thermal conductivity factor, connected as Polypropylence Sheet water pipe.Water tank 3 is for collecting the hot water after heating, and the constant water temperature of being heated in seedbed, particularly, the object that insulating reaches insulation can be set by the outside at water tank 3; Collecting basin 1 is for collecting and the water of storing systemic circulation path.Wherein, the size specification of collecting basin 1, water tank 3 can be determined according to seedbed heating surface (area) (HS.
Intelligent decision support and control system 5, as the maincenter of this system, are divided into executing agency and expert database, and wherein expert database, can carry out distributed management according to the crop species of seedling and growing stage to seedbed, Based Intelligent Control temperature, executing agency is comprised of some probes and three starters, probe can arrange according to seedbed scale a plurality of, for surveying the temperature of heat pipe 8 or water tank 3, the temperature information of the heat pipe 8 that probe obtains mates with the temperature required tables of data of the Different Crop of setting in expert database, in heat pipe 8, temperature is lower than in temperature data table during design temperature, one starter I starts the first water pump 7, hot water in water tank 3 is pressed in heat pipe 8, hot water stops in heat pipe 8 afterwards, until the temperature of heat pipe 8 is again lower than design temperature, now the cold water in heat pipe 8 flows back to collecting basin, at overcast and rainy continuously/snow day, in the situation of solar energy deficiency, water in 4 pairs of water tanks 3 of air energy heater heats, the executing agency of intelligent decision support and control system 5 comprises the probe of a connection water tank, when detecting water temperature in water tank 3, probe is unable to supply seedbed when temperature required, one starter II starts the second water pump 6, and in 4 pairs of water tanks 3 of a starter III startup air energy heater, water is heated simultaneously, heat pipe 8 is arranged on below, seedbed, heat pipe 8 water inlets connect the delivery port of water tank 3, and the delivery port of heat pipe 8 connects the water inlet of collecting basin 3, when the first water pump 7 operation, the water that in heat pipe 8, temperature is lower is pressed in collecting basin 1, thereby forms a circulatory system.The subregion Based Intelligent Control that intelligent decision support of the present invention and control system 5 can realize seedling bed temperature according to the crop species of seedling in extensive seedbed and growing stage.
Shown in Figure 2, heat pipe 8 is by pipeline body 9 and pipeline body 9 conducting strip 10 is around set forms, conducting strip 10 be provided with a plurality of for the fixing aperture 11 in seedbed, the two ends of the pipeline body 9 of heat pipe 8 are connected with other pipelines by nut 12.The large I of heat pipe 8 is according to seedbed size customization.
This system also can be used in summer, used summer and only needed with pipe, collecting basin to be directly connected with heat storage water tank, did not need to open solar thermal collector 2 and air energy heater 4.
Solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system of the present invention, its thermal source is electric energy and solar energy, sun-drenched time, this system heat sources is solar energy, in the time of sunshine deficiency, the thermal source of this system is solar energy coupling air energy, the air energy heater that wherein used, by electric energy, drive, utilize compressor operating, the heat pressurization heating absorbing, then transmit feedwater from air, it is high that it has the thermal efficiency, the advantages such as not being subject to weather effect of heating.Coupled solar heat collector and air energy heater can reduce the use of coal, electricity, save the energy, reduce greenhouse effect, are conducive to protection of the environment.
Native system is heated to water by solar energy, and be stored in water tank, water tank is made by heat-barrier material, and air energy heater in parallel, when Water in Water Tanks temperature is not enough, by air energy heater, it is heated, guaranteed the sufficient heat energy of seedbed heating at night in winter, thereby saved seedling cost in winter, the water tank of insulation has also guaranteed normal heat supply at night.
Native system is used by air energy heater and solar thermal collector coupling, having overcome direct use solar energy is subject to weather effect large, the shortcoming that the thermal efficiency is low, the coupling of air energy heater and solar thermal collector is used and is guaranteed continuously cloudy day, rainy day or snow day, in situation that solar energy is not enough, the normal operation of this system.
The intelligent decision support of native system and control system, according to the crop species of seedling and growing stage, are carried out distributed management to seedbed, and seedling bed temperature is carried out to intelligent automatic control, reduce labour, have reduced cost, have improved the precision of management.
Native system heat pipe is arranged on below, seedbed, solves the inhomogeneous problem of traditional greenhouse heating.
Native system also can be used for greenhouse cooling in summer, by water pump, squeezes into cold water, and directly, to seedbed cooling, it has solved the higher situation of warm indoor humidity that traditional Wet-curtain temperature reducing causes.
The disclosed preferred embodiment of the present invention is just for helping to set forth the present invention above.Preferred embodiment does not have all details of detailed descriptionthe, and also not limiting this invention is only described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain better principle of the present invention and practical application, thereby under making, technical field technical staff can understand and utilize the present invention well.The present invention is only subject to the restriction of claims and four corner and equivalent.
Claims (10)
1. a solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system, is characterized in that, comprises
Be provided for the hot water of seedbed temperature control or the water tank of cold water;
For air energy heater and the solar thermal collector of heat hot water being provided to when needed described water tank;
Heat pipe for delivery of hot water or cold water for seedbed temperature control;
Intelligent decision support and control system, for gathering heat pipe temperature, and the water inlet to described heat pipe according to water tank described in the temperature timely adjustment collecting, and the unlatching of described air energy heater;
Wherein, described water tank and described heat pipe form water circulation path, be also provided with at least one of Water circulation hydrodynamics water pump is provided on this path.
2. solar energy as claimed in claim 1 coupling air energy greenhouse seedbed water circulation intelligent temperature control system, it is characterized in that, also comprise a collecting basin, described collecting basin is arranged between heat pipe and solar thermal collector, be used to described solar thermal collector to input cold water to be heated, and reclaim the cold water that storage is flowed out by heat pipe.
3. solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system as claimed in claim 1, is characterized in that, described solar thermal collector is connected with described water tank, by the hot water after described solar thermal collector heating, flows into described water tank; Described air energy heater is in parallel with described water tank; Described solar thermal collector and described air energy heater are for select a use or use simultaneously.
4. solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system as claimed in claim 1, is characterized in that, described intelligent decision support and control system are divided into executing agency and expert database, wherein
Executing agency is comprised of some probes and starter, described probe is for catching the temperature information of described heat pipe or described water tank, described starter connects water pump or air energy heater, for impelling the water circulation valve opening of described water pump or close according to the instruction of described intelligent decision support and control system, or impel the unlatching of described air energy heater or close; Described expert database, for according to the crop species of seedling and growing stage, carries out distributed management to seedbed, Based Intelligent Control seedling bed temperature.
5. solar energy as claimed in claim 4 coupling air energy greenhouse seedbed water circulation intelligent temperature control system, it is characterized in that, the temperature information at the described heat pipe place that described probe is caught mates with the temperature required tables of data of Different Crop of setting in described expert database, in the heat pipe of catching, temperature is lower than in described temperature data table during design temperature, starter starts water pump, hot water is pressed in heat pipe, hot water stops in conducting strip, until temperature is again lower than design temperature, in heat pipe, water flows out in water circulation path.
6. solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system as claimed in claim 1, is characterized in that, described heat pipe is arranged on below, seedbed.
7. solar energy as claimed in claim 6 coupling air energy greenhouse seedbed water circulation intelligent temperature control system, it is characterized in that, described heat pipe is by pipeline body and pipeline body conducting strip is around set forms, described conducting strip be provided with for the fixing a plurality of apertures in seedbed.
8. solar energy coupling air energy greenhouse seedbed water circulation intelligent temperature control system as claimed in claim 1, is characterized in that, described water tank is provided with insulating.
9. the solar energy as described in claim 1 or 2 or 3 coupling air energy greenhouse seedbed water circulation intelligent temperature control system, it is characterized in that, described water pump is provided with two, one of them water pump is arranged on the systemic circulation path of described water tank and described heat pipe, and another water pump is arranged on the partial circulating path of described air-source water heater and described water tank formation.
10. solar energy as claimed in claim 6 coupling air energy greenhouse seedbed water circulation intelligent temperature control system, it is characterized in that, when native system is used for greenhouse cooling, do not open described air-source water heater and described solar thermal collector, directly by water pump, in described heat pipe, squeeze into cold water, seedbed is lowered the temperature.
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Cited By (8)
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| CN104996201A (en) * | 2015-08-13 | 2015-10-28 | 苑金良 | Solar heat collection greenhouse with balanced floor heating |
| CN105010000A (en) * | 2015-07-28 | 2015-11-04 | 昆明理工大学 | Novel greenhouse under real-time control |
| CN105075729A (en) * | 2015-08-07 | 2015-11-25 | 安徽欧瑞达电器科技有限公司 | Constant-temperature greenhouse |
| CN105613134A (en) * | 2015-12-25 | 2016-06-01 | 苏州市职业大学 | Cultivation warming system utilizing solar energy |
| CN105867492A (en) * | 2016-05-03 | 2016-08-17 | 昆明理工大学 | Method for intelligent temperature-control cultivation of multiple plants in greenhouse |
| CN106912324A (en) * | 2017-03-13 | 2017-07-04 | 山东理工大学 | Automatic method for culturing seedlings based on solar heat-preservation and gravity infiltrating irrigation |
| CN109744030A (en) * | 2019-03-22 | 2019-05-14 | 衢州市农业科学研究院 | Seedling bed heating system and application method |
| CN110419364A (en) * | 2019-08-02 | 2019-11-08 | 襄阳金美科林农业开发有限公司 | A kind of strawberry cultivating ground temperature controlling system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105010000A (en) * | 2015-07-28 | 2015-11-04 | 昆明理工大学 | Novel greenhouse under real-time control |
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| CN105613134A (en) * | 2015-12-25 | 2016-06-01 | 苏州市职业大学 | Cultivation warming system utilizing solar energy |
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| CN106912324A (en) * | 2017-03-13 | 2017-07-04 | 山东理工大学 | Automatic method for culturing seedlings based on solar heat-preservation and gravity infiltrating irrigation |
| CN109744030A (en) * | 2019-03-22 | 2019-05-14 | 衢州市农业科学研究院 | Seedling bed heating system and application method |
| CN110419364A (en) * | 2019-08-02 | 2019-11-08 | 襄阳金美科林农业开发有限公司 | A kind of strawberry cultivating ground temperature controlling system |
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