CN202019593U - Air conditioning system for sealed artificial light plant factory - Google Patents
Air conditioning system for sealed artificial light plant factory Download PDFInfo
- Publication number
- CN202019593U CN202019593U CN2011200809836U CN201120080983U CN202019593U CN 202019593 U CN202019593 U CN 202019593U CN 2011200809836 U CN2011200809836 U CN 2011200809836U CN 201120080983 U CN201120080983 U CN 201120080983U CN 202019593 U CN202019593 U CN 202019593U
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- artificial light
- air
- light source
- heat
- hot water
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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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
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The utility model discloses an air conditioning system for a sealed artificial light plant factory, which comprises an artificial light source, an artificial light source heat radiation recovering device, a timing controller and a heat recovery type air conditioning machine set, wherein the timing controller controls the on-off state of the artificial light source, the artificial light source is turned off in daytime for realizing the dark period of the plant growth and is turned on at night for realizing the light period of the plant growth, the heat of the artificial light source is absorbed by the artificial light source heat radiation recovering device, is absorbed by the heat recovery type air conditioning machine set and is then radiated out by an air processing machine set for supplying heat to a plant factory, and the heat recovery type air conditioning machine set and the air processing machine set are in combined control by the controller. The on-off operation of the artificial light source respectively at night and in daytime is controlled through the timing controller, the cold load in the daytime is reduced, the cold load at night is increased, the utilization rate of the air conditioning machine set is improved, the loading capacity is reduced, and the initial investment is reduced.
Description
Technical field:
The utility model relates to the air-conditioning system of a kind of closed artificial light plant factor.
Background technology:
" plant factor " is meant by artificial environment control and computerized production management and carries out the annual plant cultivation system of stopping that do not have.Plant cultivating is in the confined space just as the industrial building, its grow required temperature, humidity, carbonic acid gas, oxygen, fertilizer, nutrient, illumination etc. are all controlled, no longer be subjected to the influence of extraneous climatic environment, have anniversaryization, sophistication, homogenize and characteristics such as yielding ability.
The population report of delivering according to the United Nations estimates, to the year two thousand fifty whole world population will reach 9,300,000,000, if rely on traditional tillage method that depend on sky to receive, present all in the world arable lands almost operate at full capacity, just support more than 60 hundred million present populations reluctantly.So must seek a radical solving method." plant factor " can reach purposes such as high yield, excellent product with the planting type that intensifies most on limited soil, be the important development of modern agricultural technology, has been subjected to the great attention of national governments and each big scientific research institution.
Present stage " plant factor ", maximum problem was that power consumption is high, had seriously restricted it and had further developed.
Existing closed artificial light plant factor is owing to be completely free of the influence of natural cause, in running, utilize the variation round the clock of artificial light source simulating nature circle, be to open artificial light source irradiation plant daytime to carry out photosynthesis, close artificial light source evening, plant is in dark phase growth conditions.Because technology limitation, all there is the big problem of heat radiation in the artificial light source that the scale of existing energy is used.These heats are the main refrigeration dutys of plant factor in summer, as opening artificial light source daytime, add heat that imports into through building enclosure and the heat that plant growing produced, for keeping the required preference temperature of plant growing, the refrigeration duty on air-conditioning system daytime is much larger than the refrigeration duty at night, following drawback is arranged: 1, to join the machine capacity big for air-conditioning system, increases investment of equipment; 2, refrigeration duty differs greatly round the clock, and the operation of air conditioner time is unbalanced, and utilization rate of equipment and installations is not high; 3, daytime the environmental temperature height, this moment, the Energy Efficiency Ratio of air-conditioner host descended, system is not energy-conservation.
According to measuring and calculating, in the existing closed plant factor, the power consumption that is used for illumination, air-conditioning unit has accounted for more than 90% of total power consumption, and wherein the power consumption maximum of air-conditioning system accounts for 50%～60% of total power consumption, and the energy-conservation of visible air-conditioning system is crucial.
Summary of the invention:
For overcoming the defective of prior art, the purpose of this utility model is to provide the air-conditioning system of a kind of closed artificial light plant factor, instead open and close round the clock by timing controller control artificial light source, reduce refrigeration duty between daytime, increase the refrigeration duty at night, improve the availability and the operational efficiency of air-conditioning unit with this, reduce installed capacity, reduce initial cost.
The utility model technical solution problem adopts following technical scheme:
The air-conditioning system of a kind of closed artificial light plant factor comprises:
Artificial light source and artificial light source heat radiation recover, timing controller, recovery type heat air-conditioning unit;
Described timing controller is controlled the open and close of described artificial light source, closes the dark phase of artificial light source as plant growing daytime, opens the photophase of artificial light source as plant growing night;
Described artificial light source heat radiation recover absorb the heat of described artificial light source and after described recovery type heat air-conditioning unit absorbs by the heat supply in plant factor of air-treatment unit;
Described recovery type heat air-conditioning unit and described air-treatment unit are jointly controlled by controller.
Described air-treatment unit comprises the unit casing, is located at blower fan, the surface cooler of being located at the blower fan rear end, heat(ing) coil and the air cleaner of an end in the unit casing, also is provided with surface cooler outlet air temperature sensor in the unit casing;
Described recovery type heat air-conditioning unit comprises compressor, shell and tube exchanger, heat recovering heat exchanger, air side heat exchanger, reaches axial flow blower;
Described heat recovering heat exchanger is communicated with described heat(ing) coil by the hot water line, and is provided with hot water circulating pump and hot water flow control valve in the hot water line, and artificial light source heat radiation recover is connected among the described hot water line; Described shell and tube exchanger is communicated with described surface cooler by the chilled water pipeline, and is provided with chilled water circulating pump in the chilled water pipeline;
Described controller jointly controls described compressor, chilled water circulating pump, hot water circulating pump, axial flow blower, surface cooler outlet air temperature sensor, hot water flow control valve and is located at factory building interior temperature sensor, humidity sensor.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, instead opens and closes round the clock by timing controller control artificial light source, reduce refrigeration duty between daytime, increase the refrigeration duty at night, improved the availability of air-conditioning unit, reduced installed capacity, reduced initial cost.
2, night, environmental temperature was low, and the Energy Efficiency Ratio height of air-conditioner host reaches the energy saving of system purpose by increasing the operation of air conditioner time at night.
3, reclaim the condensation heat of air-conditioning unit and the heat radiation of artificial light source, reduced the load of air-conditioning system on the one hand, reduced the condensation temperature of air-conditioner host, reduce system energy consumption, can freely use this part heat energy on the other hand, realized the two-way utilization of energy.
Description of drawings:
Fig. 1 is the utility model air-conditioning system schematic diagram.
Number in the figure: 6 air-treatment units, 61 unit casings, 62 blower fans, 63 surface coolers, 64 heat(ing) coils, 65 air cleaners, 7 hot water lines, 8 chilled water pipelines, 9 hot water circulating pumps, 10 chilled water circulating pumps, 11 recovery type heat air-conditioning units, 111 compressors, 112 shell and tube exchangers, 113 heat recovering heat exchangers, 114 controllers, 115 air side heat exchangers, 116 axial flow blowers, 117 temperature sensors, 118 humidity sensors, 119 surface cooler outlet air temperature sensors, 121 timing controllers, 122 artificial light sources heat radiation recover, 123 artificial light sources, 13 hot water flow control valves.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment:
Embodiment: referring to Fig. 1, the air-conditioning system of the closed artificial light plant factor of present embodiment,
Comprise air-treatment unit 6, artificial light source, 123 artificial light sources heat radiation recover 122, timing controller 121, recovery type heat air-conditioning unit 11;
Air-treatment unit casing 61, blower fan 62 and air cleaner 65 are formed a public air channel.Surface cooler 63 and heat(ing) coil 64 are serially connected in the public air channel, the air draught heat(ing) coil 64 of flowing through earlier, the surface cooler 63 of flowing through again.Hot water is produced in the heat radiation of condensation heat that compressor 111 was discharged when heat recovering heat exchanger 113 utilized recovery type heat air-cooled heat pump water chiller-heater units refrigeration or artificial light source heat radiation recover 122, to heat(ing) coil 64, make the atmosphere temperature rising of flowing through through hot water circulating pump 9, hot water line 7.The chilled water of producing in the shell and tube exchanger 112 to surface cooler 63, makes the air cooling-down dehumidifying of flowing through through chilled water circulating pump 10, chilled water pipeline 8.
The control procedure of this system is as follows:
In the course of work, the blower fan 62 of air-treatment unit 6 is opened all the time, and temperature sensor 117 detects indoor temperature, and humidity sensor 118 detects indoor humidity, and surface cooler outlet air temperature sensor 119 detects surface cooler 63 leaving air temps.
When indoor temperature greater than design temperature, humidity is greater than setting humidity, compressor 111, axial flow blower 116, chilled water circulating pump 10 are opened, hot water circulating pump 9, hot water flow control valve 13 are closed, system's operation cool-down dehumidification pattern.
When indoor temperature equals design temperature, humidity is greater than setting humidity, compressor 111, axial flow blower 116, chilled water circulating pump 10, hot water circulating pump 9, hot water flow control valve 13 are all opened, the aperture of the rotating speed of axial flow blower 116, hot water flow control valve 13 is regulated according to surface cooler 63 leaving air temps, make surface cooler 63 leaving air temps equal design temperature, system's operation isothermal dehumidifying pattern.
When indoor temperature less than design temperature, humidity is greater than setting humidity, and compressor 111, chilled water circulating pump 10, hot water circulating pump 9, hot water flow control valve 13 are all opened, and axial flow blower 116 is closed, the aperture maximum of hot water flow control valve 13, system's operation intensification dehumidification mode.
When indoor temperature is less than or equal to design temperature, humidity is less than or equal to setting humidity, compressor 111, axial flow blower 116, chilled water circulating pump 10, hot water circulating pump 9, hot water flow control valve 13 are all closed, and recovery type heat air-conditioning unit 11 is in holding state.
Claims (2)
1. the air-conditioning system of a closed artificial light plant factor is characterized in that:
Comprise artificial light source (123) and artificial light source heat radiation recover (122), timing controller (121), recovery type heat air-conditioning unit (11);
Described timing controller (121) is controlled the open and close of described artificial light source (123), closes the dark phase of artificial light source as plant growing daytime, opens the photophase of artificial light source as plant growing night;
Described artificial light source heat radiation recover (122) absorb the heat of described artificial light source (123) and after described recovery type heat air-conditioning unit (11) absorbs by air-treatment unit (6) heat supply in plant factor;
Described recovery type heat air-conditioning unit (11) and described air-treatment unit (6) are jointly controlled by controller (114).
2. the air-conditioning system of a kind of closed artificial light according to claim 1 plant factor is characterized in that:
Described air-treatment unit (6) comprises unit casing (61), is located at blower fan (62), the surface cooler (63) of being located at the blower fan rear end, heat(ing) coil (64) and the air cleaner (65) of an end in the unit casing, also is provided with surface cooler outlet air temperature sensor (119) in the unit casing;
Described recovery type heat air-conditioning unit (11) comprises compressor (111), shell and tube exchanger (112), heat recovering heat exchanger (113), air side heat exchanger (115), reaches axial flow blower (116);
Described heat recovering heat exchanger (113) is communicated with described heat(ing) coil (64) by hot water line (7), and in hot water line (7), being provided with hot water circulating pump (9) and hot water flow control valve (13), artificial light source heat radiation recover (122) is connected among the described hot water line (7); Described shell and tube exchanger (112) is communicated with described surface cooler (63) by chilled water pipeline (8), and is provided with chilled water circulating pump (10) in the chilled water pipeline;
Described controller jointly controls described compressor (111), chilled water circulating pump (10), hot water circulating pump (9), axial flow blower (116), surface cooler outlet air temperature sensor (119), hot water flow control valve (13) and is located at factory building interior temperature sensor (118), humidity sensor (117).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200809836U CN202019593U (en) | 2011-03-24 | 2011-03-24 | Air conditioning system for sealed artificial light plant factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200809836U CN202019593U (en) | 2011-03-24 | 2011-03-24 | Air conditioning system for sealed artificial light plant factory |
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| Publication Number | Publication Date |
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| CN202019593U true CN202019593U (en) | 2011-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200809836U Expired - Lifetime CN202019593U (en) | 2011-03-24 | 2011-03-24 | Air conditioning system for sealed artificial light plant factory |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147127A (en) * | 2011-03-24 | 2011-08-10 | 中国扬子集团滁州扬子空调器有限公司 | Air-conditioning system of closed artificial light plant factory |
| CN104206213A (en) * | 2013-05-31 | 2014-12-17 | 三菱树脂农业梦想株式会社 | Plant growth apparatus of multistage rack type and plant growth system |
| CN105265160A (en) * | 2015-11-25 | 2016-01-27 | 上海市农业科学院 | Method employing semi-closed greenhouse technology for cucumber seedling cultivation |
| CN109564019A (en) * | 2016-04-08 | 2019-04-02 | 梵德霍文园艺项目有限公司 | The method for reducing the temperature in air feed and greenhouse |
| CN110622782A (en) * | 2019-10-11 | 2019-12-31 | 同济大学 | Artificial environment realizing device for mushroom container planting |
-
2011
- 2011-03-24 CN CN2011200809836U patent/CN202019593U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147127A (en) * | 2011-03-24 | 2011-08-10 | 中国扬子集团滁州扬子空调器有限公司 | Air-conditioning system of closed artificial light plant factory |
| CN102147127B (en) * | 2011-03-24 | 2013-04-03 | 中国扬子集团滁州扬子空调器有限公司 | Air-conditioning system of closed artificial light plant factory |
| CN104206213A (en) * | 2013-05-31 | 2014-12-17 | 三菱树脂农业梦想株式会社 | Plant growth apparatus of multistage rack type and plant growth system |
| CN104206213B (en) * | 2013-05-31 | 2019-02-19 | 三菱化学农业梦想株式会社 | Multilayer insulating panel formula plant cultivating device and plant cultivation system |
| CN105265160A (en) * | 2015-11-25 | 2016-01-27 | 上海市农业科学院 | Method employing semi-closed greenhouse technology for cucumber seedling cultivation |
| CN109564019A (en) * | 2016-04-08 | 2019-04-02 | 梵德霍文园艺项目有限公司 | The method for reducing the temperature in air feed and greenhouse |
| CN109564019B (en) * | 2016-04-08 | 2020-12-25 | 梵德霍文园艺项目有限公司 | Method for reducing the temperature of air feeds and greenhouses |
| CN110622782A (en) * | 2019-10-11 | 2019-12-31 | 同济大学 | Artificial environment realizing device for mushroom container planting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111102 Effective date of abandoning: 20130403 |
|
| RGAV | Abandon patent right to avoid regrant |