CN205124550U - Large -span intelligent greenhouse's ventilation heat transfer system - Google Patents
Large -span intelligent greenhouse's ventilation heat transfer system Download PDFInfo
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- CN205124550U CN205124550U CN201520514823.6U CN201520514823U CN205124550U CN 205124550 U CN205124550 U CN 205124550U CN 201520514823 U CN201520514823 U CN 201520514823U CN 205124550 U CN205124550 U CN 205124550U
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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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Abstract
The utility model provides a large -span intelligent greenhouse's ventilation heat transfer system, includes heat transfer gable, rack blast pipe, induced air device, exhaust device and air inlet shutter, the heat transfer gable includes gable body and heat exchange device, heat exchange device fixes in gable body one side inside for the greenhouse, induced air device and exhaust device all arrange in outside the greenhouse to respectively through pipe connection one side at heat exchange device, the heat exchange device opposite side passes through the pipeline and connects respectively rack blast pipe and air inlet shutter. The ventilation heat transfer system in this greenhouse has filled in the blank of china's in cold areas intelligent greenhouse big -arch shelter, provides the condition of the suitable planting under any weather, can cold conditioned disjunction all the time according to the ventilation of taking a breath again when keeping indoor temperature under the condition, keep the air unblocked, can effective planned cooling when having that indoor temperature was higher than vegetation and needed sunshine, also kept suitable humidity and vegetation environment when guaranteeing the temperature.
Description
Technical field
The utility model relates to a kind of Greenhouse System of agricultural planting, particularly relates to a kind of ventilation heat exchange system of large span intelligent greenhouse.
Background technology
" booth " greenhouse of current China mainly contains two large types: one, Simple plastic material shed, and low, the low input of this greenhouse cost, running cost are low, build in a large number in China Huang-Huai Area, is current main type of production booth; Two; connect across glass greenhouse; this greenhouse high cost, high investment, operation cost are high; all there is a small amount of construction in the whole nation; be main force's product of science and technology and sight-seeing agriculture at present, China's cold district " booth " field, greenhouse is in space state substantially, and Simple plastic material shed can not provide suitable planting condition under cold climate conditions; even under cold climate conditions, maintain plant growing condition power consumption across glass greenhouse high, another support structure is firmly more is not suitable for large-scale production.Therefore the intelligent booth under needing an economy can be adapted to again varying environment; intelligent greenhouse is referred to as below greenhouse by solar heat, arch shelter and attached-greenhouse; it is the key facility of current protecting field agricultural production; using intelligent greenhouse as protection facility planting plants; mainly at counter-seas on production; namely produce when ambient temperature is lower; like this can whole year production and supply some be difficult to preserve products; as vegetables and fruit etc., its principle is that ambient air temperature utilizes intelligent greenhouse to provide suitable temperature to plant when being unfavorable for plant growth.In current intelligent greenhouse agricultural production, an of paramount importance contradiction is the contradiction of air themperature and air humidity.
The transpiration of moisture source in air in plant and the evaporation on earth's surface, therefore be inevitable, at low temperature and continuously when the cloudy day, during airtight intelligent greenhouse at night and the higher area of latitude, all be easy to make Intelligent temperature indoor air humidity more than 90%, under such humidity, the physiological activities such as the transpiration of plant are suppressed, and very easily by various infection process, cause plant disease epidemic.
Manager will manage to reduce the air humidity in intelligent greenhouse every day, to ensure the normal physiological activity of plant, and prevents plant disease epidemic, otherwise even if use a large amount of agricultural chemicals can not pre-disease prevention effectively, be also just far from being production and benefit.Obviously, this is one of profound cause that current intelligent greenhouse vegetable pesticide residue is higher.The way reducing humidity is exactly ventilation, and for this reason, each intelligent greenhouse has ventilating opening, on the daylighting film being arranged on top or on body of wall, open when needs ventilate, allow the dry air in outside enter intelligent greenhouse, air comparatively wet in intelligent greenhouse is replaced away; Ventilating opening is closed when not needing to ventilate.But because the air of outside is colder, the air of the inside is warmmer, so it is reduce the air themperature in intelligent greenhouse that another leaking informaton must affect.When temperature enough high or too high time, leak informaton and can reach two objects quickly, one be stop heat up or reduce temperature, two be reduce humidity; When humidity is too high when temperature is not high enough, leaks informaton and will be among contradiction, do not implement then humidity improper, implement then to make temperature improper.This reason just, limits the Development area of intelligent greenhouse agricultural, the benefit of intelligent greenhouse agricultural, the quality etc. of intelligent greenhouse agricultural product, is one of most important limiting factor in intelligent greenhouse agricultural production.
Along with improving constantly of living standards of the people, also more and more stricter to the requirement of victual Pesticide Residues, the needs of the use of agricultural chemicals mainly four aspects: underground part insect pest, underground part disease, overground part insect pest, overground part disease.Underground part disease and insect pest can be prevented by fumigating soil beyond vegetative period, and noresidue; Overground part insect pest is stopped by measures such as the vexed canopy of high temperature, insect-pest nets; Although overground part disease has some ways to reduce, but nearly all intelligent greenhouse also must be prevented and treated with regular applying pesticides at present, these diseases have kind more than 1000, and wherein kind more than 800 all needs relative air humidity to reach more than 80% could to form harm.Such as cucumber downy mildew, tomato late blight, cladosporium leaf and fruit mould of tomato, cucurbits powdery mildew, tomato cotton disease, capsicum epidemic disease, Cucumber Target Leaf Spot etc., be all endanger very large overground part disease, all need higher air humidity to infect and propagate.Visible, overground part disease problem is last problem thoroughly solving vegetable pesticide residue, and the key factor causing these diseases is exactly that Intelligent temperature indoor air humidity is large.
In addition, the photosynthesis of plant will consume a large amount of carbonic acid gas, and the respiration of the activity of Soil Microorganism and plant self can release carbonic acid gas, so, the concentration of canopy indoor carbon dioxide is always ceaselessly changing, under time points different in a day and different illumination, the concentration difference of carbonic acid gas is very large.When plant carries out photosynthetic time, must supplement carbonic acid gas at any time, it is also ventilation that usual people mend aerated measure, visible, the contradiction of temperature and humidity also remote-effects to the supply of canopy indoor carbon dioxide.
Utility model content
In order to solve the problem, the utility model provides a kind of ventilation heat exchange system of large span intelligent greenhouse.
A ventilation heat exchange system for large span intelligent greenhouse, described ventilation heat exchange system comprises heat exchange gable, frame ajutage, blower unit, air exhausting device and air feed shutter, and described heat exchange gable comprises gable body and heat-exchange device;
Further, described heat-exchange device is fixed on the side of gable body relative to inside greenhouse, described blower unit and air exhausting device are all placed in outside greenhouse, and the side of heat-exchange device is connected to respectively by pipeline, described heat-exchange device opposite side connects described frame ajutage and air feed shutter respectively by pipeline;
Further, described heat-exchange device is heat exchange case, and described heat exchange case is provided with the first mistake wind passage, second and crosses wind passage and be full of the heat transferring medium 63 in heat exchange case space, and described heat transferring medium is heat-conducting silicone grease;
Further, described first crosses wind passage end connects described air feed shutter by pipeline, the other end connects described air exhausting device by pipeline, and described second crosses wind passage end connects blower unit by pipeline, and the other end connects described frame ajutage by pipeline;
Further, described frame ajutage is arranged on top of greenhouse and perpendicular to described heat exchange gable, described frame ajutage is provided with multiple air outlet towards inside greenhouse; Further, described blower unit is the fan blower being arranged on outside, greenhouse;
Further, described air exhausting device is the air-introduced machine being arranged on outside, greenhouse;
Further, described ventilation heat exchange system also comprises thermal insulation quilt and rain and snow solar protection devices, and described thermal insulation quilt is arranged on both sides external edge, greenhouse, and described rain and snow solar protection devices is arranged on outside top of greenhouse.
The beneficial effects of the utility model have filled up the blank of China's cold district Intelligent Greenhouse, provide the condition of the suitable planting under any weather, to take a breath again while can keeping indoor temperature under cold conditions or condition without sunshine ventilation, keep clear air, can effective planned cooling when having that sunshine, indoor temperature needed higher than plant growth, also maintain suitable humidity and plant growth environment while ensureing temperature.
Accompanying drawing explanation
Fig. 1 is the utility model greenhouse overall structure figure;
Fig. 2 is the utility model heat exchange case structure chart;
Fig. 3 is the utility model side air inlet and air draft schematic diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is explained in further detail.Should be appreciated that specific embodiment described herein only for explaining the utility model, and be not used in restriction the utility model.On the contrary, the utility model is contained any by the substituting of making on marrow of the present utility model and scope of defining of claim, amendment, equivalent method and scheme.
Further, in order to make the public have a better understanding to the utility model, in hereafter details of the present utility model being described, detailedly describe some specific detail sections.Do not have the description of these detail sections can understand the utility model completely for a person skilled in the art yet.Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.Below to there emerged a most preferred embodiment:
As shown in Figure 1-Figure 3, a kind of ventilation heat exchange system of large span intelligent greenhouse, described ventilation heat exchange system comprises heat exchange gable 1, frame ajutage 2, blower unit 3, air exhausting device 4 and air feed shutter 5, described heat exchange gable 1 comprises gable body and heat-exchange device, described heat-exchange device is fixed on the side of gable body relative to inside greenhouse, described blower unit 3 and air exhausting device 4 are all placed in outside greenhouse, and the side of heat-exchange device is connected to respectively by pipeline, described heat-exchange device opposite side connects described frame ajutage 2 and air feed shutter 5 respectively by pipeline, described heat-exchange device is heat exchange case 6, described heat exchange case 6 is provided with first and crosses wind passage 61, second crosses wind passage 62 and is full of the heat transferring medium 63 in heat exchange case 6 space, described heat transferring medium 63 is heat-conducting silicone grease, described first crosses wind passage 61 one end connects described air feed shutter 5 by pipeline, the other end connects described air exhausting device 4 by pipeline, described second crosses wind passage 62 one end connects blower unit 3 by pipeline, the other end connects described frame ajutage 2 by pipeline, described frame ajutage 2 is arranged on top of greenhouse and perpendicular to described heat exchange gable 1, described frame ajutage 2 is provided with multiple air outlet 7 towards inside greenhouse, described blower unit 3 is for being arranged on the fan blower of outside, greenhouse, described air exhausting device 4 is for being arranged on the air-introduced machine of outside, greenhouse, described ventilation heat exchange system also comprises side air inlet mouth 8 and top exhaust outlet 9, described side air inlet mouth 8 is positioned at greenhouse bottom both sides of the edge, described top exhaust outlet 9 is positioned at top of greenhouse, described ventilation heat exchange system also comprises thermal insulation quilt and rain and snow solar protection devices, described thermal insulation quilt is arranged on both sides external edge, greenhouse, described rain and snow solar protection devices is arranged on outside top of greenhouse.
Embodiment 1: when ventilation and heat recovery, open blower unit 3 and air exhausting device 4, fan blower manufactures fresh gas flow, enter second of heat exchange case 6 by pipeline and cross wind passage 62, indoor are crossed wind passage 61 with the air-flow of heat by first of pipeline introducing heat exchange case 6 by air feed shutter 5 simultaneously, transfer of heat is carried out by heat transferring medium 63 in heat exchange case 6, fresh gas flow temperature is made to increase, by pipeline, fresh thermal current is sent into frame ajutage 2, enter green house, fresh air with heat is provided, heat recovery is carried out while ventilating, realize thermal loss the least possible, meanwhile, to affect by air-introduced machine through the first indoor air flow crossing wind passage 61 and be sucked out heat exchange case 6, again by outside air exhausting device discharge chamber, reach the circulation that heat exchange is ventilated, self-organizing system.
Embodiment 2: when ventilation unit and planned cooling, along both sides, greenhouse, can open, close side air inlet mouth 8 and top exhaust outlet 9, side air inlet mouth 8 height is with the plant variety height change of plantation, not cause plant frostbite for principle, top exhaust outlet 9 can be natural exhaust mode or machinery quantitatively exhaust way, realizes effective when having that sunshine, indoor temperature needed higher than plant growth and planned cooling.
Above-described embodiment, the just one of the utility model more preferably embodiment, the usual change that those skilled in the art carries out within the scope of technical solutions of the utility model and replacing all should be included in protection domain of the present utility model.
Claims (7)
1. the ventilation heat exchange system of a large span intelligent greenhouse, it is characterized in that, described ventilation heat exchange system comprises heat exchange gable (1), frame ajutage (2), blower unit (3), air exhausting device (4) and air feed shutter (5), and described heat exchange gable (1) comprises gable body and heat-exchange device;
Described heat-exchange device is fixed on the side of gable body relative to inside greenhouse, described blower unit (3) and air exhausting device (4) are all placed in outside greenhouse, and the side of heat-exchange device is connected to respectively by pipeline, described heat-exchange device opposite side connects described frame ajutage (2) and air feed shutter (5) respectively by pipeline.
2. ventilation heat exchange system according to claim 1, it is characterized in that, described heat-exchange device is heat exchange case (6), described heat exchange case (6) is provided with the heat transferring medium (63) that the first mistake wind passage (61), second is crossed wind passage (62) and is full of heat exchange case (6) space, and described heat transferring medium (63) is heat-conducting silicone grease;
Described first crosses wind passage (61) one end connects described air feed shutter (5) by pipeline, the other end connects described air exhausting device (4) by pipeline, described second crosses wind passage (62) one end connects blower unit (3) by pipeline, and the other end connects described frame ajutage (2) by pipeline.
3. ventilation heat exchange system according to claim 1, it is characterized in that, described frame ajutage (2) is arranged on top of greenhouse and perpendicular to described heat exchange gable (1), described frame ajutage (2) is provided with multiple air outlet towards inside greenhouse (7).
4. ventilation heat exchange system according to claim 1, is characterized in that, described blower unit (3) is for being arranged on the fan blower of outside, greenhouse.
5. ventilation heat exchange system according to claim 1, is characterized in that, described air exhausting device (4) is for being arranged on the air-introduced machine of outside, greenhouse.
6. ventilation heat exchange system according to claim 1, it is characterized in that, described ventilation heat exchange system also comprises side air inlet mouth (8) and top exhaust outlet (9), described side air inlet mouth (8) is positioned at greenhouse bottom both sides of the edge, and described top exhaust outlet (9) is positioned at top of greenhouse.
7. ventilation heat exchange system according to claim 1, it is characterized in that, described ventilation heat exchange system also comprises thermal insulation quilt and rain and snow solar protection devices, and described thermal insulation quilt is arranged on both sides external edge, greenhouse, and described rain and snow solar protection devices is arranged on outside top of greenhouse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520514823.6U CN205124550U (en) | 2015-07-15 | 2015-07-15 | Large -span intelligent greenhouse's ventilation heat transfer system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520514823.6U CN205124550U (en) | 2015-07-15 | 2015-07-15 | Large -span intelligent greenhouse's ventilation heat transfer system |
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| CN205124550U true CN205124550U (en) | 2016-04-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766484A (en) * | 2016-04-15 | 2016-07-20 | 刘汉涛 | Facility and method for planting crops in protected land in humidity-control manner |
| CN106857110A (en) * | 2017-03-22 | 2017-06-20 | 天津大学 | A kind of agricultural greenhouse plant seasonal comprehensive temperature control system and temperature control method |
| CN108029399A (en) * | 2017-12-10 | 2018-05-15 | 永富饶（天津）农业科技发展有限公司 | A kind of greenhouse beneficial to crop growth |
| CN108271576A (en) * | 2018-03-12 | 2018-07-13 | 王雨 | Descending energy saving greenhouse greenhouse |
| CN108934634A (en) * | 2018-06-22 | 2018-12-07 | 西安建筑科技大学 | A kind of greenhouse uniformly heats air supply device |
| CN108934635A (en) * | 2018-06-22 | 2018-12-07 | 西安建筑科技大学 | A kind of energy-saving air port air supply device of green house of vegetables |
-
2015
- 2015-07-15 CN CN201520514823.6U patent/CN205124550U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105766484A (en) * | 2016-04-15 | 2016-07-20 | 刘汉涛 | Facility and method for planting crops in protected land in humidity-control manner |
| CN106857110A (en) * | 2017-03-22 | 2017-06-20 | 天津大学 | A kind of agricultural greenhouse plant seasonal comprehensive temperature control system and temperature control method |
| CN108029399A (en) * | 2017-12-10 | 2018-05-15 | 永富饶（天津）农业科技发展有限公司 | A kind of greenhouse beneficial to crop growth |
| CN108271576A (en) * | 2018-03-12 | 2018-07-13 | 王雨 | Descending energy saving greenhouse greenhouse |
| CN108934634A (en) * | 2018-06-22 | 2018-12-07 | 西安建筑科技大学 | A kind of greenhouse uniformly heats air supply device |
| CN108934635A (en) * | 2018-06-22 | 2018-12-07 | 西安建筑科技大学 | A kind of energy-saving air port air supply device of green house of vegetables |
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