CN105475008B - Solar efficient carbon dioxide supplement system for sunlight greenhouse - Google Patents

Solar efficient carbon dioxide supplement system for sunlight greenhouse Download PDF

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Publication number
CN105475008B
CN105475008B CN201510971570.XA CN201510971570A CN105475008B CN 105475008 B CN105475008 B CN 105475008B CN 201510971570 A CN201510971570 A CN 201510971570A CN 105475008 B CN105475008 B CN 105475008B
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China
Prior art keywords
heat
air
solar
greenhouse
heat exchanger
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CN201510971570.XA
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Chinese (zh)
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CN105475008A (en
Inventor
张京开
杨立国
刘旺
禹振军
王尚君
李长青
董其富
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Beijing Changxin Agricultural Science And Technology Co ltd
Beijing City Changping District Agricultural Mechanization Technology Extension Station
AGRICULTURAL MACHINERY TESTING AND PROMOTION STATION OF BEIJING CITY
Original Assignee
Beijing Changxin Agricultural Science And Technology Co ltd
Beijing City Changping District Agricultural Mechanization Technology Extension Station
AGRICULTURAL MACHINERY TESTING AND PROMOTION STATION OF BEIJING CITY
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Priority to CN201510971570.XA priority Critical patent/CN105475008B/en
Publication of CN105475008A publication Critical patent/CN105475008A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00Botany in general
    • A01G7/02Treatment of plants with carbon dioxide
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/243Collecting solar energy
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/246Air-conditioning systems
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor

Abstract

The invention relates to the field of greenhouse heat preservation, in particular to a solar efficient carbon dioxide supplement system for a sunlight greenhouse, which comprises a greenhouse, wherein the greenhouse comprises a heat preservation wall body and a heat preservation cover, a base body is arranged at the front edge of the greenhouse, a heat collection channel is arranged in the greenhouse, a plurality of hot air channels are uniformly arranged on the heat collection channel, the outlets of the hot air channels are arranged in the inner space of the greenhouse, one end of the heat collection channel is connected with a solar heat collector arranged on the outer side of the greenhouse, and a fan is arranged between the solar heat collector and the heat collection channel.

Description

Solar efficient carbon dioxide supplement system for sunlight greenhouse
Technical Field
The invention relates to the field of greenhouse heat preservation, in particular to a solar air heat collection system of a greenhouse.
Background
The greenhouse is also called a greenhouse, can transmit light and keep warm (or heat), and is used for cultivating plants. In seasons unsuitable for plant growth, the method can provide the growth period of the greenhouse and increase the yield, and is mainly used for cultivating or raising seedlings of plants like warm vegetables, flowers and trees in low-temperature seasons.
In the planting process of plants, the greenhouse needs to be ventilated regularly and regularly, meanwhile, a carbon dioxide generator is used for supplementing carbon dioxide gas and heating by electric appliances or fuels, the greenhouse is used in winter in the north, the greenhouse needs to be completely sealed and insulated, hot air in the greenhouse can be quickly lost due to convection of air in the ventilation process, the hot air needs to be heated again after being sealed, and the plants can be frozen if the ventilation time is not controlled well; when plants are in natural conditions, carbon dioxide in the air can be completely supplemented with carbon dioxide gas, and energy consumption is also needed, so that energy waste is caused.
Disclosure of Invention
The invention aims to provide a solar efficient carbon dioxide supplement system for a sunlight greenhouse, which utilizes solar energy to store and recycle hot air and supplement natural air to provide carbon dioxide for the greenhouse, and effectively solves the problem of energy waste caused by using a carbon dioxide generating device and a heating facility.
The purpose of the invention is realized by the following technical scheme:
the utility model provides a high-efficient carbon dioxide complementary system of sunlight greenhouse solar energy, includes warmhouse booth, warmhouse booth includes thermal insulation wall body and heat preservation cover, warmhouse booth's forward position is equipped with the base member, be equipped with the thermal-arrest passageway in the base member, evenly be equipped with a plurality of hot-air channel on the thermal-arrest passageway, hot-air channel's export is arranged in warmhouse booth's inner space, the one end connection setting of thermal-arrest passageway is in the solar collector in the warmhouse booth outside, solar collector with be equipped with the fan between the thermal-arrest passageway.
Furthermore, the heat collection channel is an air channel surrounded by the heat storage slow release material, and a heat insulation layer covers the outer side of the heat collection channel.
Furthermore, a temperature controller is arranged at an air outlet of the solar thermal collector and connected with and used for controlling the fan, and the purpose is to set a temperature value to monitor the temperature inside the solar thermal collector to control the fan, so that energy is saved.
A solar heat collector comprises a preheating chamber defined by a bottom plate, a first side plate and a second side plate, wherein a light-transmitting heat-insulating film fixedly connected with the side plates is arranged outside the preheating chamber, a light reflecting plate is fixedly arranged on the bottom plate, a heat exchanger is arranged in the preheating chamber, an air outlet is formed in the bottom side of the heat exchanger, an air inlet is formed in the top side of the heat exchanger, and an air inlet is formed in the first side plate.
Further, the heat exchanger is a heat collector pipeline.
Further, the air outlet of the heat exchanger is located on the opposite side of the air inlet of the heat exchanger and on the same side as the air inlet.
Furthermore, an opening is formed in the bottom side of the solar heat collector, and an air outlet of the heat exchanger penetrates through the opening.
Furthermore, the reflector is a metal plate with a plurality of cambered surface structures.
Furthermore, the bottom plate and the side plates are made of metal materials.
Furthermore, a slow release valve is arranged at an outlet of the hot air channel, and the purpose of the slow release valve is that the hot air cannot enter the greenhouse immediately due to the self-weight influence of the slow release valve, so that the storage time of the hot air is ensured.
The invention has the beneficial effects that: under the sunlight condition, the carbon dioxide required for the growth can be continuously provided for supplementing crops to the greenhouse; meanwhile, the air is heated and stored by utilizing solar energy, so that the greenhouse can be kept at a constant temperature under the conditions of darkness and low temperature, and the normal growth of crops is ensured.
Drawings
The invention is explained in further detail below with reference to the drawing.
FIG. 1 is a schematic diagram of the overall structure of a solar greenhouse solar energy efficient carbon dioxide supplement system according to an embodiment of the invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a perspective view of a solar collector according to an embodiment of the present invention.
In the figure:
1. a greenhouse; 2. a heat-insulating wall body; 3. a heat-preserving cover; 4. a substrate; 5. a heat collection channel; 6. a hot air channel; 7. a solar heat collector; 8. a fan; 9. a heat insulation layer; 10. a temperature controller; 11. a base plate; 12. a first side plate; 13. a second side plate; 14. a preheating chamber; 15. a reflector; 16. a heat exchanger; 161. an air inlet; 162. an air outlet; 17. an air inlet; 18. a slow release valve.
Detailed Description
As shown in fig. 1 and 2, the solar energy efficient carbon dioxide supplement system for the sunlight greenhouse according to the embodiment of the invention comprises a greenhouse 1, the greenhouse comprises a heat insulation wall 2 and a heat insulation cover 3, a base body 4 is arranged at the front edge of the greenhouse 1, a heat collection channel 5 is arranged in the base body 4, a plurality of hot air channels 6 are uniformly arranged on the heat collection channel 5, the outlets of the hot air channels 6 are arranged in the inner space of the greenhouse 1, and the outlets of the hot air channels 6 are provided with slow release valves 18. One end of the heat collecting channel 5 is connected with a solar heat collector 7 arranged on the outer side of the greenhouse 1, and a fan 8 is arranged between the solar heat collector 7 and the heat collecting channel 5.
The slow release valve 18 is a plugging rubber pad which can be automatically opened under the action of air flow.
The air outlet of the solar heat collector 7 is provided with a temperature controller 10, and the temperature controller 10 is connected with and controls the fan 8.
Referring to fig. 1 again, the heat collecting channel 5 is an air channel surrounded by the heat storage slow release material, and a heat insulation layer 9 covers the outer side of the heat collecting channel 5.
The heat-storage slow-release material is a brick body.
As shown in fig. 3, fig. 3 shows a solar thermal collector 7 of a solar greenhouse solar energy efficient carbon dioxide supplement system according to an embodiment of the present invention, which includes a preheating chamber 14 surrounded by a bottom plate 11, a first side plate 12 and a second side plate 13, a light-transmitting thermal insulation film (not shown) fixedly connected to the first side plate 12 and the second side plate 13 is disposed outside the preheating chamber 14, a light reflecting plate 15 is disposed on the bottom plate 13, an edge of the light reflecting plate 15 is fixed on the bottom plate 13 by welding, a heat exchanger 16 is disposed in the preheating chamber 14, an air outlet 162 is disposed at a bottom side of the heat exchanger 16, an air inlet 161 is disposed at a top side of the heat exchanger 16, and an air inlet 17 is.
The heat exchanger 16 is a collector tube.
As described above, the air outlet 162 of the heat exchanger 16 is disposed opposite the air inlet 161 of the heat exchanger 16, and is located on the same side as the air inlet 17.
The reflector 15 is a metal plate with a plurality of cambered structures.
The bottom plate 11, the first side plate 12 and the second side plate 13 are all made of metal.
The bottom side of the solar collector is provided with an opening (not shown) for the air outlet of the heat exchanger to pass through. The following is a further illustration of the method of use of the solar greenhouse solar energy efficient carbon dioxide supplement system according to embodiments of the present invention:
firstly, a solar heat collector is obliquely arranged on a fixing frame, a pipeline is connected, the numerical value of a temperature control valve is set to be 40 ℃, a reflecting plate preheats air on a solar band heat exchanger through refraction, when the air of the energy of a preheating chamber reaches 40 ℃, the temperature control valve controls a fan to work, the fan intensively sends hot air into a heat collecting channel, meanwhile, cold air enters the preheating chamber along an air inlet, the hot air flows to the upper layer due to different air specific heat, flows to an air outlet of the heat exchanger along an air inlet of the heat exchanger and enters the heat collecting channel, and in the process, the hot air is reheated in the flowing process of the hot air in the heat exchanger, so that the temperature of the air is ensured. And the heat collection channel is an air channel built by bricks, and the outer side of the heat collection channel is provided with a heat insulation layer, so that the heat insulation effect is improved, the purpose of the slow release valve does not cause hot air to enter the greenhouse immediately, the storage time of the hot air is prolonged, and after the temperature is reduced at night, cold and hot air is exchanged, and the hot air enters the greenhouse, so that the internal temperature of the greenhouse is ensured.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims (6)

1. The utility model provides a high-efficient carbon dioxide complementary system of sunlight greenhouse solar energy, includes warmhouse booth, warmhouse booth includes thermal insulation wall and heat preservation cover, its characterized in that: the front edge of the greenhouse is provided with a base body, a heat collection channel is arranged in the base body, the heat collection channel is an air channel surrounded by heat storage slow release materials, a heat insulation layer covers the outer side of the heat collection channel, a plurality of hot air channels are uniformly arranged on the heat collection channel, an outlet of each hot air channel is arranged in the inner space of the greenhouse, a slow release valve is arranged at the outlet of each hot air channel, one end of each heat collection channel is connected with a solar heat collector arranged on the outer side of the greenhouse, a fan is arranged between each solar heat collector and the heat collection channel, each solar heat collector comprises a preheating chamber surrounded by a bottom plate, a first side plate and a second side plate, a light-transmitting heat insulation film fixedly connected with the side plates is arranged on the outer side of the preheating chamber, a light reflecting plate is fixedly arranged on the bottom, an air outlet is formed in the bottom side of the heat exchanger, an air inlet is formed in the top side of the heat exchanger, an air inlet is formed in the first side plate, a temperature controller is arranged at the air outlet of the solar heat collector and connected with and used for controlling the fan;
the working process of the solar heat collector is as follows: with solar collector connecting line and the numerical value of setting for the temperature controller, the reflector panel preheats the air on heat exchanger through refracting the sunlight, when preheating indoor air and reaching the setting for numerical value, temperature controller control fan work, the fan is concentrated hot-air and is sent into the thermal-arrest passageway, cold air gets into the preheating chamber along air intlet simultaneously, because of the air specific heat difference, hot-air flows to the upper strata, along heat exchanger's air inlet flow direction heat exchanger's gas outlet, and enter the thermal-arrest passageway, at this in-process, the flow in-process of hot-air in heat exchanger, heat hot-air once more.
2. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the heat exchanger is a heat collector pipeline.
3. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the air outlet of the heat exchanger is located on the opposite side of the air inlet of the heat exchanger and on the same side as the air inlet.
4. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: and an opening is formed in the bottom side of the solar heat collector and is used for the air outlet of the heat exchanger to penetrate out.
5. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the reflector is a metal plate with a plurality of cambered surface structures.
6. The solar greenhouse solar energy efficient carbon dioxide supplement system of claim 1, wherein: the bottom plate and the side plates are made of metal materials.
CN201510971570.XA 2015-12-22 2015-12-22 Solar efficient carbon dioxide supplement system for sunlight greenhouse Active CN105475008B (en)

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Application Number Priority Date Filing Date Title
CN201510971570.XA CN105475008B (en) 2015-12-22 2015-12-22 Solar efficient carbon dioxide supplement system for sunlight greenhouse

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Application Number Priority Date Filing Date Title
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CN105475008B true CN105475008B (en) 2020-08-04

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106489615A (en) * 2016-09-18 2017-03-15 大顺国际花卉股份有限公司 A kind of device and method of the carbon dioxide fertilising of light temperature coupling
CN106386282A (en) * 2016-11-11 2017-02-15 中科兆阳(北京)光暖科技有限公司 Heat-storing and heat-preserving system for daylight greenhouse
CN106538305A (en) * 2016-11-11 2017-03-29 中科兆阳(北京)光暖科技有限公司 A kind of front wall heat storage structure of warmhouse booth and its heat-storing method
CN106386263A (en) * 2016-11-11 2017-02-15 中科兆阳(北京)光暖科技有限公司 Backwall heat storage structure of greenhouse
WO2019111383A1 (en) * 2017-12-07 2019-06-13 プランツラボラトリー株式会社 Plant cultivation greenhouse
CN110934026B (en) * 2019-12-05 2021-10-22 和县德生农业发展有限公司 Temperature-controlled seedling raising greenhouse and temperature control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201138087Y (en) * 2007-12-06 2008-10-22 河南桑达能源环保有限公司 Light condensation type solar energy heat collector
CN101411293A (en) * 2008-11-18 2009-04-22 江苏大学 Active mode heat collection and thermal storage system for solar energy greenhouse
CN203233807U (en) * 2013-03-07 2013-10-16 嘉兴职业技术学院 Soil heating system
CN204707601U (en) * 2015-05-19 2015-10-21 山西省农业科学院现代农业研究中心 A kind of solar greenhouse heating ventilation system
CN205320675U (en) * 2015-12-22 2016-06-22 北京市农业机械试验鉴定推广站 High -efficient carbon dioxide replenishment system of sunlight greenhouse solar energy and solar collector

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201138087Y (en) * 2007-12-06 2008-10-22 河南桑达能源环保有限公司 Light condensation type solar energy heat collector
CN101411293A (en) * 2008-11-18 2009-04-22 江苏大学 Active mode heat collection and thermal storage system for solar energy greenhouse
CN203233807U (en) * 2013-03-07 2013-10-16 嘉兴职业技术学院 Soil heating system
CN204707601U (en) * 2015-05-19 2015-10-21 山西省农业科学院现代农业研究中心 A kind of solar greenhouse heating ventilation system
CN205320675U (en) * 2015-12-22 2016-06-22 北京市农业机械试验鉴定推广站 High -efficient carbon dioxide replenishment system of sunlight greenhouse solar energy and solar collector

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