CN104996201A - Solar heat collection greenhouse with balanced floor heating - Google Patents
Solar heat collection greenhouse with balanced floor heating Download PDFInfo
- Publication number
- CN104996201A CN104996201A CN201510497594.6A CN201510497594A CN104996201A CN 104996201 A CN104996201 A CN 104996201A CN 201510497594 A CN201510497594 A CN 201510497594A CN 104996201 A CN104996201 A CN 104996201A
- Authority
- CN
- China
- Prior art keywords
- magnetic valve
- solar thermal
- booth
- temperature
- temperature sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- 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
- A01G9/243—Collecting solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S21/00—Solar heat collectors not provided for in groups F24S10/00-F24S20/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S2020/10—Solar modules layout; Modular arrangements
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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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental Sciences (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a solar heat collection greenhouse with balanced floor heating. The solar heat collection greenhouse includes solar thermal collectors, a greenhouse body, a controller, temperature sensors, a circulation pump and floor heating coils, wherein a plurality of solar thermal collectors are arranged outside the greenhouse body; the water outlet pipeline of the solar thermal collectors is connected with one ends of the floor heating coils; the other end of the floor heating coils is connected with the return water pipeline of the solar thermal collectors; the circulation pump is arranged on the return water pipeline; the temperature sensors are respectively arranged at the outlet ends of the solar thermal collectors, in the interior of the greenhouse and in the soil inside the greenhouse; all the temperature sensors are connected with the controller; a first electromagnetic valve is arranged on the water outlet pipeline of the solar thermal collectors, and a second electromagnetic valve is arranged on the return water pipeline. According to the invention, the solar thermal collectors are used for absorbing heat which is then transferred to the soil by the floor heating coils through a heat-transfer medium, so that the ground temperature is improved; the balance of the ground temperature is ensured through regular direction change, and the environmental temperature and ground temperature are improved, so as to promote the growth of the crops, shorten the growth cycle and increase the yield.
Description
Technical field
The present invention relates to a kind of solar energy heating booth with balanced floor heating.
Background technology
Booth is former is the special equipment of Vegetable produce, along with the application of the development booth produced is all the more extensive.But in the north, winter temperature is very low, need to heat crop root.Existing mode of heating mainly contains following several:
(1) adopt electrical bar heating, because this mode of heating is electrical heating, and the root of crop has water, easily leaks electricity, comparatively dangerous;
(2) utilize boiler to heat to booth, the heating agent of boiler is coal, and the flue gas of generation is to environment, and constant in order to ensure greenhouse temperature, and peasant household needs repeatedly to add fire coal every night, adds the labour intensity of peasant household.
(3) solar thermal collector is used, there is the problem that solar thermal collector freezes, generally utilize refrigerant, various anti-icing fluid and antifreeze wet goods as circulatory mediator, carry out secondary with water tank to exchange and solve the problem of freezing, but there is complex process, thermal loss is more and Heat-collecting effect is poor problem like this, and when weeping occurs anti-icing fluid etc., can to environment;
Not only there is the problem of electric leakage, welding in the floor heating that aforesaid way provides, also there is floor heating heating unbalanced, a lot of local temperature is too high, and other local temperature are too low, affect plant growth, can not ensure the good harvest of booth.
Summary of the invention
The present invention is in order to solve the problem, propose a kind of solar energy heating booth with balanced floor heating, this device utilizes solar thermal collector to absorb heat, by heat transfer medium grounding heat coil tube, heat is passed to soil thus raising ground temperature, the harmony of ground temperature is ensured by timing reversing, promote environmental temperature, ground temperature to promote the growth of crop, reduce growth cycle, improve output.
To achieve these goals, the present invention adopts following technical scheme:
There is a solar energy heating booth for balanced floor heating, comprise solar thermal collector, booth, controller, temperature sensor, circulating pump and grounding heat coil tube, wherein, booth outer setting has several solar thermal collectors, the outlet conduit of solar thermal collector connects one end of grounding heat coil tube, the other end of grounding heat coil tube connects the water return pipeline of solar thermal collector, and water return pipeline is provided with circulating pump, the solar thermal collector port of export, the first temperature sensor is respectively arranged with in booth and in the soil of booth, second temperature sensor and three-temperature sensor, the equal connection control device of each temperature sensor, the outlet conduit of solar thermal collector is provided with the first magnetic valve, water return pipeline is provided with the second magnetic valve, and be provided with the first pipeline between the input of the first magnetic valve and the output of the second magnetic valve and be connected outlet conduit and water return pipeline, first pipeline is provided with the 3rd magnetic valve, be provided with second pipe between the output of the first magnetic valve and the input of the second magnetic valve and be connected outlet conduit and water return pipeline, second pipe is provided with the 4th magnetic valve.
Described controller control connection first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve; Described first magnetic valve, the action simultaneously of the second magnetic valve, the 3rd magnetic valve and the action simultaneously of the 4th magnetic valve, and the 3rd magnetic valve is contrary with the action of the first magnetic valve, the second magnetic valve synchronization with the 4th magnetic valve.
Described solar thermal collector is connected with hutch water device.
Described controller connects solar thermal collector, controls it and starts or turn off.
Described first temperature sensor gathers solar energy heating actuator temperature, three-temperature sensor gathers plastic shed soil temperature, the data of collection are transferred to controller by the first temperature sensor and three-temperature sensor, when the temperature difference of two temperatures exceedes setting value, controller controls solar thermal collector and starts.
Described three-temperature sensor connection control device, when soil temperature reaches design temperature, controller controls solar thermal collector and turns off.
Described controller is provided with timing unit, and controller is according to setting-up time loop start and turn off the first magnetic valve or the 3rd magnetic valve.
Beneficial effect of the present invention is:
(1) be provided with temperature difference circulation, when the temperature difference of soil temperature and solar thermal collector exceedes setting value, controller controls solar thermal collector startup, automatically starting, economize energy, contributing to plant growth when there being demand;
(2) heating circulation line is non-pressure circulation, docks with running water at Setting MARC, and system running pressure is circulating pump from the beginning;
(3) when controller detect soil temperature rise to design temperature time, can automatically stop heater and circulating pump, soil temperature so repeatedly can be kept constant;
(4) first magnetic valves, the action simultaneously of the second magnetic valve, 3rd magnetic valve and the action simultaneously of the 4th magnetic valve, and the 3rd magnetic valve is contrary with the action of the first magnetic valve, the second magnetic valve synchronization with the 4th magnetic valve, circulate according to setting-up time, ensure grounding heat coil tube two ends homogeneous heating;
(5) lifting of environmental temperature, ground temperature promotes the growth of crop, reduces growth cycle, improves output, simultaneously due to the breeding of the lifting promotion microorganism of ground temperature, improves fertilizer efficiency.
Accompanying drawing explanation
fig. 1for structural representation of the present invention
figure.
Wherein, T1, solar energy heating actuator temperature; T2, plastic shed soil temperature; T3, booth indoor temperature; H1, H2, P1, P2, magnetic valve.
Embodiment:
Below in conjunction with
accompanying drawingthe invention will be further described with embodiment.
as Fig. 1shown in, a kind of solar energy heating booth with balanced floor heating, comprises solar thermal collector, booth, controller, temperature sensor, circulating pump and grounding heat coil tube, wherein, booth outer setting has several solar thermal collectors, the outlet conduit of solar thermal collector connects one end of grounding heat coil tube, the other end of grounding heat coil tube connects the water return pipeline of solar thermal collector, and water return pipeline is provided with circulating pump, the solar thermal collector port of export, the first temperature sensor is respectively arranged with in booth and in the soil of booth, second temperature sensor and three-temperature sensor, the equal connection control device of each temperature sensor, the outlet conduit of solar thermal collector is provided with the first magnetic valve, water return pipeline is provided with the second magnetic valve, and be provided with the first pipeline between the input of the first magnetic valve and the output of the second magnetic valve and be connected outlet conduit and water return pipeline, first pipeline is provided with the 3rd magnetic valve, be provided with second pipe between the output of the first magnetic valve and the input of the second magnetic valve and be connected outlet conduit and water return pipeline, second pipe is provided with the 4th magnetic valve.
Controller control connection first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve; Described first magnetic valve, the action simultaneously of the second magnetic valve, the 3rd magnetic valve and the action simultaneously of the 4th magnetic valve, and the 3rd magnetic valve is contrary with the action of the first magnetic valve, the second magnetic valve synchronization with the 4th magnetic valve.
Solar thermal collector is connected with hutch water device.
Controller connects solar thermal collector, controls it and starts or turn off.
First temperature sensor gathers solar energy heating actuator temperature, three-temperature sensor gathers plastic shed soil temperature, the data of collection are transferred to controller by the first temperature sensor and three-temperature sensor, and when the temperature difference of two temperatures exceedes setting value, controller controls solar thermal collector and starts.
Three-temperature sensor connection control device, when soil temperature reaches design temperature, controller controls solar thermal collector and turns off.
Controller is provided with timing unit, and controller is according to setting-up time loop start and turn off the first magnetic valve or the 3rd magnetic valve.
This device has:
(1) temperature difference circulatory function
The thermal-arrest temperature difference circulates: as solar energy heating actuator temperature T1 and plastic shed soil temperature T2 temperature difference > 15 DEG C, corresponding thermal-arrest circulating pump starts, as solar energy heating actuator temperature T1 and the plastic shed soil temperature T2 temperature difference≤5 DEG C, corresponding thermal-arrest circulating pump stops.
(2) automatic water supplement function
Heating circulation line is the non-pressure circulation of open type, docks with running water at Setting MARC, and system running pressure is circulating pump from the beginning.
(3) antifreeze antifreezing function
System disposition automatic freezing-protective function, namely control system detect pipe temperature lower than design temperature as 5 DEG C then automatically start antifreeze circulation or electric tracing antifreeze, should by producer in conjunction with actual conditions specific design.The low temperature of subzero 10 DEG C ~ 30 DEG C can be resisted when running in the winter time, prevent pipeline from occurring the normal operation of frozen block impact.
(4) automatic auxiliary electrical heating function
The automatic soil heating function of system disposition, namely every day is little of second in sunset two
they are eight years oldbefore point, control system detection soil temperature then starts electric heater and circulating pump lower than design temperature T2 automatically as 12 DEG C, by hot water circuit in water tank to pipeline with heat exchange in soil.When controller detect soil temperature T2 rise to design temperature time, can automatically stop heater and circulating pump, soil temperature so repeatedly can be kept constant.
(5) superconduction function
The medium that heat collecting and circulating system adopts is inorganic superconducting medium.Good heat conductivity, antifreeze dedicated medium, heat exchange property is high especially simultaneously to play good antifreezing effect in the winter of cold.
(6) timing cycle handoff functionality
System four magnetic valves, P1 and P2 opening and closing simultaneously; H1 and H2 opening and closing simultaneously, P1, P2 and H1, H2 switch once for every 1 hour, ensure that ground temperature is balanced.
Although above-mentioned combination
accompanying drawingthe specific embodiment of the present invention is described; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (7)
1. there is a solar energy heating booth for balanced floor heating, it is characterized in that: comprise solar thermal collector, booth, controller, temperature sensor, circulating pump and grounding heat coil tube, wherein, booth outer setting has several solar thermal collectors, the outlet conduit of solar thermal collector connects one end of grounding heat coil tube, the other end of grounding heat coil tube connects the water return pipeline of solar thermal collector, and water return pipeline is provided with circulating pump, the solar thermal collector port of export, the first temperature sensor is respectively arranged with in booth and in the soil of booth, second temperature sensor and three-temperature sensor, the equal connection control device of each temperature sensor, the outlet conduit of solar thermal collector is provided with the first magnetic valve, water return pipeline is provided with the second magnetic valve, and be provided with the first pipeline between the input of the first magnetic valve and the output of the second magnetic valve and be connected outlet conduit and water return pipeline, first pipeline is provided with the 3rd magnetic valve, be provided with second pipe between the output of the first magnetic valve and the input of the second magnetic valve and be connected outlet conduit and water return pipeline, second pipe is provided with the 4th magnetic valve.
2. a kind of solar energy heating booth with balanced floor heating as claimed in claim 1, is characterized in that: described controller control connection first magnetic valve, the second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve; Described first magnetic valve, the action simultaneously of the second magnetic valve, the 3rd magnetic valve and the action simultaneously of the 4th magnetic valve, and the 3rd magnetic valve is contrary with the action of the first magnetic valve, the second magnetic valve synchronization with the 4th magnetic valve.
3. a kind of solar energy heating booth with balanced floor heating as claimed in claim 1, is characterized in that: described solar thermal collector is connected with hutch water device.
4. a kind of solar energy heating booth with balanced floor heating as claimed in claim 1, is characterized in that: described controller connects solar thermal collector, controls it and starts or turn off.
5. a kind of solar energy heating booth with balanced floor heating as claimed in claim 1, it is characterized in that: described first temperature sensor gathers solar energy heating actuator temperature, three-temperature sensor gathers plastic shed soil temperature, the data of collection are transferred to controller by the first temperature sensor and three-temperature sensor, when the temperature difference of two temperatures exceedes setting value, controller controls solar thermal collector and starts.
6. a kind of solar energy heating booth with balanced floor heating as claimed in claim 1, is characterized in that: described three-temperature sensor connection control device, and when soil temperature reaches design temperature, controller controls solar thermal collector and turns off.
7. a kind of solar energy heating booth with balanced floor heating as claimed in claim 1, is characterized in that: described controller is provided with timing unit, and controller is according to setting-up time loop start and turn off the first magnetic valve or the 3rd magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497594.6A CN104996201B (en) | 2015-08-13 | 2015-08-13 | A kind of solar energy heating greenhouse with balanced floor heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510497594.6A CN104996201B (en) | 2015-08-13 | 2015-08-13 | A kind of solar energy heating greenhouse with balanced floor heating |
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| Publication Number | Publication Date |
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| CN104996201A true CN104996201A (en) | 2015-10-28 |
| CN104996201B CN104996201B (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510497594.6A Active CN104996201B (en) | 2015-08-13 | 2015-08-13 | A kind of solar energy heating greenhouse with balanced floor heating |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307885A (en) * | 2018-04-09 | 2018-07-24 | 王承辉 | The solar energy heating temperature-adjusting device of greenhouse gardening |
| CN108522097A (en) * | 2018-04-18 | 2018-09-14 | 中国农业大学 | A kind of greenhouse collection heat release intelligent controlling device and efficient control method |
| CN111194648A (en) * | 2018-11-19 | 2020-05-26 | 张和平 | Water heating type high-yield technology for increasing ground temperature of greenhouse vegetables |
| CN111520801A (en) * | 2020-06-04 | 2020-08-11 | 金建 | Floor heating modular electric heating system |
| CN117280971A (en) * | 2023-09-19 | 2023-12-26 | 上海华维可控农业科技集团股份有限公司 | Controllable agricultural greenhouse of temperature intelligent control based on photovoltaic solar energy |
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| CN103931442A (en) * | 2014-03-05 | 2014-07-23 | 上海交通大学 | Intelligent water circulation temperature control system of solar energy and air energy coupled greenhouse seedbed |
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| CN204518666U (en) * | 2015-03-31 | 2015-08-05 | 河北昊德新能源设备有限责任公司 | Solar energy greenhouse booth |
| CN204860358U (en) * | 2015-08-13 | 2015-12-16 | 苑金良 | Solar energy collection big -arch shelter with it is balancedly warm |
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2015
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| CN102577888A (en) * | 2012-02-28 | 2012-07-18 | 徐坚 | Agricultural greenhouse system based on solar energy and shallow geothermal energy |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108307885A (en) * | 2018-04-09 | 2018-07-24 | 王承辉 | The solar energy heating temperature-adjusting device of greenhouse gardening |
| CN108522097A (en) * | 2018-04-18 | 2018-09-14 | 中国农业大学 | A kind of greenhouse collection heat release intelligent controlling device and efficient control method |
| CN111194648A (en) * | 2018-11-19 | 2020-05-26 | 张和平 | Water heating type high-yield technology for increasing ground temperature of greenhouse vegetables |
| CN111520801A (en) * | 2020-06-04 | 2020-08-11 | 金建 | Floor heating modular electric heating system |
| CN117280971A (en) * | 2023-09-19 | 2023-12-26 | 上海华维可控农业科技集团股份有限公司 | Controllable agricultural greenhouse of temperature intelligent control based on photovoltaic solar energy |
| CN117280971B (en) * | 2023-09-19 | 2024-04-26 | 上海华维可控农业科技集团股份有限公司 | Controllable agricultural greenhouse of temperature intelligent control based on photovoltaic solar energy |
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