CN114402868B - Dehumidification device and method based on liquid internal circulation and indoor temperature difference in greenhouse - Google Patents
Dehumidification device and method based on liquid internal circulation and indoor temperature difference in greenhouse Download PDFInfo
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- CN114402868B CN114402868B CN202210044156.4A CN202210044156A CN114402868B CN 114402868 B CN114402868 B CN 114402868B CN 202210044156 A CN202210044156 A CN 202210044156A CN 114402868 B CN114402868 B CN 114402868B
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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
- A01G9/246—Air-conditioning systems
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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
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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 invention relates to the technical field of indoor dehumidification, and discloses an indoor dehumidification device and method based on liquid internal circulation and indoor temperature difference. The intelligent monitoring device realizes intelligent monitoring, effectively removes water vapor in the air in the inner room, avoids bad influence on animals and plants caused by overhigh humidity in the greenhouse, has a surrounding type 'detention' liquefaction dehumidification effect on the indoor air, reduces the influence on air liquefaction caused by water films and water drops in the liquefaction process, and improves the heat conversion rate of the gas heat exchange tube.
Description
Technical Field
The invention relates to the technical field of indoor dehumidification, in particular to a device and a method for indoor temperature difference-based indoor dehumidification.
Background
The greenhouse is in a high-humidity environment, the relative humidity of air in the greenhouse can generally reach 50% -60% in daytime, the relative humidity of air in the greenhouse is often about 90% or even 100% at night, diseases are easy to induce when the humidity in the greenhouse is high in a shade day, and the peripheral part of the horizontal distribution of the relative humidity in the greenhouse is 10% higher than the central part. Ventilation and irrigation have a great influence on the relative humidity of the air in the shed, the former being dehumidified and the latter being humidified. Especially when the humidity in the shed is too high in winter, diseases and insect pests are induced and aggravated, and diseases such as flower and fruit dropping, seedling rot and the like of plants are easily caused, the probability of various diseases of poultry is increased, bacterial breeding is increased, the infection rate of the diseases is increased and the like, and also, the influence on ruminants is easy to increase various diseases such as wet sores, bacterial breeding is increased, and the inhabitation environment of the animals is influenced.
In the prior art, when the condensing tube is matched with the indoor exhaust fan to dehumidify indoor air, the arrangement mode that the exhaust fan and the gas heat exchange tube are oppositely arranged is often adopted, so that air is directly contacted with one surface of the gas heat exchange tube, dead angle positions which are not contacted with the indoor air still exist on the gas heat exchange tube, further, the heat exchange capacity of the gas heat exchange tube cannot be fully exerted, in addition, the surface of the gas heat exchange tube can reduce the surface contact area of the indoor air and the gas heat exchange tube due to water drops generated by the cold liquefaction of the indoor air, and the dehumidification effect of the indoor air is further influenced, and therefore, the dehumidifying device and the dehumidifying method based on the liquid internal circulation and the indoor temperature difference in-shed are disclosed to meet the dehumidification requirement in a greenhouse.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a dehumidifying device and method in a greenhouse based on liquid internal circulation and indoor temperature difference, which have the advantages of full drying, dehumidification and the like, and solve the series of problems of low liquefying efficiency of indoor air on the surface of a gas heat exchange tube and the like in the prior art.
Two technical schemes
In order to achieve the above purpose, the present invention provides the following technical solutions: the indoor dehumidification host machine is internally provided with a gas heat exchange tube for liquefying indoor air when encountering cold and an exhaust fan communicated with the gas heat exchange tube, and the external machine is internally provided with a cooling liquid container for storing cooling liquid and a cooling liquid circulating pump for conveying the cooling liquid into the gas heat exchange tube and forming a circulating loop;
the gas heat exchange tube is internally provided with a thin-wall metal tube communicated with the output end of the cooling liquid circulating pump, the thin-wall metal tube and the gas heat exchange tube are coaxially arranged, a plurality of groups of basin-shaped airflow guide covers and basin-shaped backflow guide covers for changing airflow circulation paths are also arranged in the gas heat exchange tube, the basin-shaped airflow guide covers are fixedly connected to the inner wall of the gas heat exchange tube and keep not contacted with the thin-wall metal tube, the basin-shaped backflow guide covers are fixedly sleeved on the thin-wall metal tube, the basin-shaped airflow guide covers and the basin-shaped backflow guide covers are of basin-shaped structures, and the maximum diameter of the basin-shaped backflow guide covers is smaller than that of the basin-shaped airflow guide covers;
the gas heat exchange tube is internally provided with an oscillation assembly capable of driving the thin-wall metal tube to vibrate, and the oscillation assembly comprises vibration springs, and a plurality of rotary spoons, wherein the vibration springs are used for being connected with the inner wall of the gas heat exchange tube, and the rotary spoons are positioned in the thin-wall metal tube and rotate along with circulation of cooling liquid in the thin-wall metal tube.
Preferably, the indoor dehumidification host is further provided with a humidity sensing probe capable of sensing indoor humidity, a display panel for displaying indoor humidity and a control panel for controlling the cooling liquid circulating pump, and the indoor dehumidification host is further internally provided with a liquefied water collector for collecting liquefied water formed by cold liquefaction of indoor air on the gas heat exchange tube and a drain pipe communicated with the liquefied water collector.
Preferably, a plurality of gas heat exchange tubes which are arranged in parallel are arranged in the indoor dehumidification host, the input ends of the gas heat exchange tubes are fixedly connected with an air inlet communicating tube through a flange plate, the air inlet communicating tube is of a bent tube structure and is communicated with the output end of the exhaust fan, a condensation communicating tube with one end extending to the outside of the air inlet communicating tube and communicated with the output end of the cooling liquid circulating pump is fixedly sleeved in the air inlet communicating tube, and one end of the condensation communicating tube in the air inlet communicating tube is mutually clamped with the corresponding output end of the thin-wall metal tube through a rubber tube.
Preferably, the thin-wall metal tube is fixedly connected with a plurality of groups of bypass heat exchange tubes for transferring heat, the plurality of bypass heat exchange tubes on the same relative position are uniformly distributed in a circumference manner by taking the thin-wall metal tube of the corresponding section as an axis, and two ends of the plurality of bypass heat exchange tubes extend to the inner side and the outer side of the thin-wall metal tube respectively.
Preferably, the inner walls of the two ends of the gas heat exchange tube and the outer walls of the two ends of the thin-wall metal tube are fixedly provided with a plurality of connecting blocks which correspond to each other in position and are uniformly distributed with the thin-wall metal tube as an axis in circumference, and the same vibrating spring is fixedly connected between the two connecting blocks at the same relative position.
Preferably, a plurality of basin-shaped airflow guide covers which are uniformly distributed in a straight line by taking the thin-wall metal pipe as an axis are fixedly connected to the inner walls of a plurality of horizontal sections on the gas heat exchange pipe, a plurality of basin-shaped reflux guide covers which are uniformly distributed in a straight line by taking the thin-wall metal pipe as an axis are fixedly sleeved on the outer walls of a plurality of horizontal sections on the thin-wall metal pipe, the basin-shaped reflux guide covers are matched with the basin-shaped airflow guide covers in function at corresponding positions, and the basin-shaped airflow guide covers and the basin-shaped reflux guide covers at the same relative positions are in basin-shaped conical structures, so that gas input into the gas heat exchange pipe can achieve gathering and guide and keep the outer walls of the thin-wall metal pipe to be attached to increase airflow flow.
Preferably, the outer wall of the gas heat exchange tube is fixedly connected with an inclined condensate tube for collecting condensed water formed by the cold liquefaction of air in the gas heat exchange tube, the inclined condensate tube is fixedly communicated with a plurality of connecting tubes extending into the gas heat exchange tube, the horizontal section of the inclined condensate tube on the outer wall of the gas heat exchange tube is obliquely arranged, and the output end of the inclined condensate tube is communicated with the liquefied water collector.
Preferably, the bottom ends of the outer walls of the horizontal sections on the thin-wall metal tube are fixedly connected with conical blocks with conical sections.
Preferably, a plurality of fixed shafts which are uniformly distributed in a straight line by the axis of the thin-wall metal pipe are fixedly connected in the thin-wall metal pipe, a rotating sleeve is sleeved on each of the fixed shafts in a rotating mode, rotating scoops which are uniformly distributed in a circumference by taking the corresponding fixed shaft as an axis are fixedly connected on each of the rotating sleeves, and the rotating scoops are matched with the flow direction of cooling liquid in the thin-wall metal pipe;
the output ends of the thin-wall metal pipes are fixedly connected with guide basins, and the maximum diameter of each guide basin is larger than the diameter of the outer wall of each thin-wall metal pipe and smaller than the diameter of the inner wall of each gas heat exchange pipe.
The indoor temperature difference greenhouse dehumidification method based on the liquid internal circulation comprises the steps of setting a humidity early warning value through a display panel, uploading the humidity early warning value into a control panel, monitoring the humidity value in the greenhouse in real time through a humidity sensing probe on an indoor dehumidification host machine, sending the humidity value into the control panel, comparing the humidity value with the humidity early warning value after the control panel obtains the humidity value, controlling a cooling liquid circulating pump and an exhaust fan to operate when the humidity value exceeds the early warning value by the control panel, and achieving dehumidification operation on indoor air until the humidity value is lower than the early warning value, and stopping the cooling liquid circulating pump and the exhaust fan to operate.
Three beneficial effects
Compared with the prior art, the invention provides the indoor temperature difference indoor dehumidification device and the method based on the liquid internal circulation, and the device has the following beneficial effects:
1. according to the indoor temperature difference indoor dehumidification device and method based on liquid internal circulation, humidity in the greenhouse is monitored in real time through the humidity sensing probe on the indoor dehumidification host, when the humidity exceeds an early warning value, the cooling liquid circulating pump is controlled to operate, so that cooling liquid in the cooling liquid container is input into the gas heat exchange tube to form a circulating loop, the indoor exhaust fan is controlled to operate immediately, indoor air is input into the gas heat exchange tube, and the indoor air is liquefied after entering the gas heat exchange tube and is cooled, so that the gas dehumidification effect is achieved, and adverse effects on animals and plants due to the fact that the humidity in the greenhouse is too high are avoided.
2. According to the liquid internal circulation and indoor temperature difference canopy-based dehumidification device and the method thereof, through the gathering effect of the basin-shaped airflow guide cover, indoor air is concentrated and guided to be attached to the outer wall of the thin-wall metal pipe to form wrapping forward pushing, so that indoor air in the large-diameter gas heat exchange pipe can be kept in close contact with the outer wall of the thin-wall metal pipe, further, the liquefaction dehumidification effect of air is ensured, in addition, an air beam part guided by the basin-shaped airflow guide cover and the inner side of the basin-shaped backflow guide cover form impact and rebound, and then the air beam flowing direction along the periphery of the basin-shaped backflow guide cover outwards overturned is formed by matching with horizontal air beams, in the process, the stay time of the air beam between the basin-shaped airflow guide cover and the basin-shaped backflow guide cover can be effectively increased, meanwhile, the uniform mixing effect can be achieved on airflows, good contact liquefaction treatment can be achieved on airflows of different layers, the dehumidification effect of indoor air is further improved, the surrounding type 'detention' liquefaction effect of indoor air is achieved, and the heat exchange rate of the heat pipes is improved.
3. According to the dehumidifying device and the method based on the liquid internal circulation and the indoor temperature difference shed, after the cooling liquid circulation pump inputs cooling liquid into the thin-wall metal pipe through the condensation communicating pipe and forms a circulation loop, the circulation of the cooling liquid in the thin-wall metal pipe can drive the rotating spoons at different positions to rotate, and then the flowing state of the cooling liquid is disturbed, so that the thin-wall metal pipe vibrates under the elastic connection effect of the vibrating spring, in addition, the rotating spoons at adjacent positions rotate, meanwhile, the cooling liquid flows at the periphery of the corresponding positions can also affect each other, so that the vibration frequency of the thin-wall metal pipe is improved, and then water drops formed by the fact that air is liquefied when meeting cold on the surface of the thin-wall metal pipe timely drip, the indoor air can keep close contact with the outer wall of the thin-wall metal pipe, and the heat conversion efficiency of the gas heat exchange pipe is further improved.
Drawings
FIG. 1 is a schematic diagram of the principle of operation of the present invention;
FIG. 2 is a schematic diagram showing a three-dimensional structure of a gas heat exchange tube according to the present invention;
FIG. 3 is a schematic view of a gas heat exchange tube according to the present invention in a first perspective view;
FIG. 4 is a schematic view of a gas heat exchange tube according to the present invention with a second view perspective;
FIG. 5 is a schematic diagram of a cross-sectional front view of a gas heat exchange tube according to the present invention;
FIG. 6 is a schematic diagram of a portion of the flow through principle of FIG. 5 according to the present invention;
FIG. 7 is a schematic view of a third perspective view of a gas heat exchange tube according to the present invention;
FIG. 8 is a schematic view of a portion of the enlarged structure of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic diagram showing a front view of one end of the gas heat exchange tube according to the present invention.
In the figure: 1. a gas heat exchange tube; 2. an air inlet communicating pipe; 3. condensing communicating pipe; 4. a thin-walled metal tube; 5. a rubber tube; 6. bypass heat exchange tubes; 7. basin-shaped airflow guide cover; 8. basin-shaped backflow guide cover; 9. a water condensation pipe is obliquely arranged; 10. a connecting block; 11. a vibration spring; 12. a baffle basin; 13. a conical block; 14. a fixed shaft; 15. the spoon is rotated.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As described in the background art, in order to solve the above technical problems, the present application provides a dehumidifying device and method in a greenhouse based on liquid internal circulation and indoor temperature difference.
In a typical implementation mode of the application, as shown in fig. 1-9, a dehumidifying device and a method thereof in a greenhouse based on liquid internal circulation and indoor temperature difference comprise an indoor dehumidifying main machine and an outdoor hanging machine which are respectively arranged in the indoor and outdoor, wherein the indoor dehumidifying main machine is internally provided with a gas heat exchange tube 1 for liquefying indoor air when encountering cold and an exhaust fan communicated with the gas heat exchange tube 1, the outdoor hanging machine is internally provided with a cooling liquid container for storing cooling liquid, and a cooling liquid circulating pump for conveying the cooling liquid into the gas heat exchange tube 1 and forming a circulating loop, when the greenhouse needs to be dehumidified, the cooling liquid circulating pump is controlled to operate, so that the cooling liquid in the cooling liquid container is input into the gas heat exchange tube 1 and form the circulating loop, then the indoor exhaust fan is controlled to operate, the indoor air is input into the gas heat exchange tube 1, and the indoor air is liquefied when encountering cold after entering the gas heat exchange tube 1, thereby realizing the gas dehumidifying effect;
referring to fig. 2-9, a thin-wall metal pipe 4 communicated with the output end of a cooling liquid circulating pump is arranged in the gas heat exchange pipe 1, the thin-wall metal pipe 4 and the gas heat exchange pipe 1 are coaxially arranged, a plurality of groups of basin-shaped airflow guide covers 7 and basin-shaped backflow guide covers 8 for changing airflow circulation paths are also arranged in the gas heat exchange pipe 1, the basin-shaped airflow guide covers 7 are fixedly connected on the inner wall of the gas heat exchange pipe 1 and keep not contacted with the thin-wall metal pipe 4, the basin-shaped backflow guide covers 8 are fixedly sleeved on the thin-wall metal pipe 4, the basin-shaped airflow guide covers 7 and the basin-shaped backflow guide covers 8 are of basin-shaped structures, the maximum diameter of the basin-shaped backflow guide covers 8 is smaller than the maximum diameter of the basin-shaped airflow guide covers 7, as shown in fig. 6, indoor air is conveyed between the inner wall of the gas heat exchange pipe 1 and the outer wall of the thin-wall metal pipe 4 after being guided by an exhaust fan and is gathered by the basin-shaped airflow guide covers 7, the wind beam is concentrated and guided to be attached to the outer wall of the thin-wall metal pipe 4 to form wrapping forward pushing, so that indoor air in the gas heat exchange pipe 1 with a larger pipe diameter can be kept in close contact with the outer wall of the thin-wall metal pipe 4, further, liquefaction and dehumidification effects on the air are ensured, in addition, the wind beam part guided by the basin-shaped airflow guide cover 7 forms impact and rebound with the inner side of the basin-shaped backflow guide cover 8, further, the wind beam direction which is outwards turned along the periphery of the basin-shaped backflow guide cover 8 is formed by matching with the horizontal wind beam, in the process, the stay time of the wind beam between the basin-shaped airflow guide cover 7 and the basin-shaped backflow guide cover 8 can be effectively increased, meanwhile, the air flow can be uniformly mixed, so that good contact liquefaction treatment can be performed on airflows with different layers, and further, the dehumidification effect on the indoor air is further improved, the surrounding type 'detention' liquefaction dehumidification effect of the indoor air is realized, and the heat conversion rate of the gas heat exchange tube 1 is also improved;
the gas heat exchange tube 1 is internally provided with an oscillation component capable of driving the thin-wall metal tube 4 to vibrate, the oscillation component comprises a vibration spring 11 which is used for being connected with the inner wall of the gas heat exchange tube 1 at two ends of the thin-wall metal tube 4, and a plurality of rotary scoops 15 which are positioned in the thin-wall metal tube 4 and rotate along with the circulation of cooling liquid in the thin-wall metal tube 4, because the vibration spring 11 is adopted to realize a hanging type installation mode of the thin-wall metal tube 4, after the cooling liquid circulating pump inputs cooling liquid into the thin-wall metal tube 4 through the condensation communicating tube 3 and forms a circulating loop, the circulation of the cooling liquid in the thin-wall metal tube 4 can drive the rotary scoops 15 at different positions to rotate, so as to interfere the flowing state of the cooling liquid, thereby the thin-wall metal tube 4 vibrates under the elastic connection of the vibration spring 11, in addition, the cooling liquid flowing at the periphery of the corresponding positions can also influence each other when the rotary scoops 15 rotate, thereby improving the vibration frequency of the thin-wall metal tube 4, further enabling water drops formed by cold liquefaction on the surface of the thin-wall metal tube 4 to drop down, ensuring the indoor air to be capable of keeping the tight contact with the gas heat exchange tube 1, and further improving the heat exchange efficiency of the heat exchange tube.
As a preferred implementation manner in this embodiment, the indoor dehumidifying host is further provided with a humidity sensing probe capable of sensing indoor humidity, a display panel for displaying indoor humidity, a control panel for controlling the cooling liquid circulating pump, a liquefied water collector for collecting liquefied water formed by the cold liquefaction of indoor air on the gas heat exchange tube 1, and a drain pipe communicated with the liquefied water collector, so as to avoid the phenomenon that the liquefied water is frozen outdoors when the environmental temperature is too low, and the collected liquefied water can be discharged into the drain well in a natural fall indoor drainage manner by using the drain pipe.
As a preferred implementation manner in this embodiment, a plurality of gas heat exchange tubes 1 arranged in parallel are arranged in the indoor dehumidification host, the input ends of the plurality of gas heat exchange tubes 1 are fixedly connected with an air inlet communicating tube 2 through a flange, the air inlet communicating tube 2 is of a bent tube structure and is communicated with the output end of the exhaust fan, a condensation communicating tube 3 with one end extending out of the air inlet communicating tube 2 and communicated with the output end of the cooling liquid circulating pump is fixedly sleeved in the air inlet communicating tube 2, one end of the condensation communicating tube 3 positioned in the air inlet communicating tube 2 is mutually clamped with the output end of a corresponding thin-wall metal tube 4 through a rubber tube 5, and when the thin-wall metal tube 4 vibrates through the rubber tube 5, the vibration can be followed to the one end of thin wall metal pipe 4 and external connection, avoid appearing fastening connection, still fixedly connected with multiunit is used for transferring thermal bypass heat exchange tube 6 on the thin wall metal pipe 4, a plurality of bypass heat exchange tubes 6 on the same relative position are all with the thin wall metal pipe 4 of corresponding section as the axis and are circumference evenly distributed, and the both ends of a plurality of bypass heat exchange tube 6 extend to the inside and outside of thin wall metal pipe 4 respectively, through setting up multiunit bypass heat exchange tube 6, make indoor air be discharged to the gas heat exchange tube 1 in can carry out indirect contact with thin wall metal pipe 4 to a greater extent, thereby improve the heat transfer ability of thin wall metal pipe 4, accelerate the liquefaction rate of indoor air in gas heat exchange tube 1.
As a preferred implementation manner in this embodiment, on the inner walls of both ends of the gas heat exchange tube 1 and on the outer walls of both ends of the thin-wall metal tube 4, a plurality of connection blocks 10 corresponding in position and uniformly distributed circumferentially with the thin-wall metal tube 4 as an axis are fixedly installed, one vibration spring 11 is fixedly connected between two connection blocks 10 on the same relative position, a plurality of fixing shafts 14 uniformly distributed linearly with the axis of the thin-wall metal tube 4 are also fixedly connected in the thin-wall metal tube 4, rotating sleeves are respectively and rotatably sleeved on the plurality of fixing shafts 14, rotating scoops 15 uniformly distributed circumferentially with the corresponding fixing shafts 14 are respectively and fixedly connected with the rotating scoops 15, and when the cooling liquid continuously circulates in the thin-wall metal tube 4, the rotating scoops 15 on the plurality of different positions can be driven to synchronously rotate, so that the cooling liquid flows in the thin-wall metal tube 4, thereby indirectly vibrating the thin-wall metal tube 4 and being matched with the elastic connection action of the vibration springs 11, so that the frequency of the thin-wall metal tube 4 is higher and the vibration effect of the water drops on the outer wall metal tube 4 is improved; the output ends of the thin-wall metal pipes 4 are fixedly connected with the guide basin 12, the maximum diameter of the guide basin 12 is larger than the diameter of the outer wall of the thin-wall metal pipe 4 and smaller than the diameter of the inner wall of the gas heat exchange pipe 1, when the liquefied and dehumidified gas in the gas heat exchange pipe 1 is discharged outwards through the discharge end of the gas heat exchange pipe 1, the flowing state of the gas is disturbed due to the split flow effect of the plurality of vibration springs 11 at the tail end and the bypass heat exchange pipes 6, so that after the gas obliquely impacts on the guide basin 12, the thin-wall metal pipe 4 is driven to resonate due to the different impact forces received by the guide basin 12, the vibration effect of the thin-wall metal pipe 4 is further improved, water drops formed on the outer wall of the thin-wall metal pipe 4 can be quickly dropped, and the dehumidifying efficiency of the thin-wall metal pipe 4 on indoor air is reduced.
As a preferred implementation manner in this embodiment, a plurality of basin-shaped airflow guide covers 7 which are linearly and uniformly distributed by taking the thin-wall metal pipe 4 as an axis are fixedly connected to the inner walls of a plurality of horizontal sections on the gas heat exchange pipe 1, and a plurality of basin-shaped backflow guide covers 8 which are linearly and uniformly distributed by taking the thin-wall metal pipe 4 as an axis are fixedly sleeved on the outer walls of a plurality of horizontal sections on the thin-wall metal pipe 4, and the basin-shaped backflow guide covers 8 are functionally matched with the basin-shaped airflow guide covers 7 at corresponding positions, the basin-shaped airflow guide covers 7 and the basin-shaped backflow guide covers 8 at the same relative positions are in a basin-shaped conical structure, gas input into the gas heat exchange pipe 1 can achieve the effects of gathering and adhering to the outer walls of the thin-wall metal pipe 4 to increase airflow flow paths, indoor air is concentrated and guided and adhered to the outer walls of the thin-wall metal pipe 4 through the gathering effect of the basin-shaped airflow guide covers 7, so that indoor air in the gas exchange pipe 1 can be kept in close contact with the outer walls of the thin-wall metal pipe 4 to form a wrapped forward pushing effect, the indoor air in the basin-shaped backflow guide covers can be enabled to form a tight contact with the outer walls of the thin-wall metal pipe 4, the inner side of the basin-shaped backflow guide covers 7 can be fully matched with the inner side of the basin-shaped backflow guide covers 8, and the inner side of the humidity-shaped backflow guide covers 8 can be further improved, and the humidity-shaped backflow air bundles can flow inside the humidity-shaped air flows around the inner side of the inner side air guide covers 7 can flow around the inner side of the humidity-shaped air guide cover is formed along the inner side of the humidity-shaped air guide cover 7, and the humidity-shaped air guide cover is fully flows are formed.
As a preferred implementation manner in this embodiment, the outer wall of the gas heat exchange tube 1 is fixedly connected with an inclined condensate tube 9 for collecting condensed water formed by the cold liquefaction of indoor air in the gas heat exchange tube 1, a plurality of connecting tubes extending into the gas heat exchange tube 1 are fixedly connected to the inclined condensate tube 9, the horizontal section of the inclined condensate tube 9 on the outer wall of the gas heat exchange tube 1 is obliquely arranged, the output end of the inclined condensate tube 9 is communicated with a liquefied water collector, the liquefied condensed water collected by the inclined condensate tube 9 can actively flow into the liquefied water collector by adopting the inclined condensate tube 9, natural collection of liquefied water is completed, a pump body and other collecting driving components are not required, and in addition, the inclined condensate tube 9 in this application can also be arranged by adopting an inclined groove body communicated with the inner wall of the gas heat exchange tube 1, so that condensed water liquefied on the outer wall of the thin-wall metal tube 4 can be prevented from being remained in the gas heat exchange tube 1.
As a preferred implementation manner in this embodiment, the bottom ends of the outer walls of the plurality of horizontal sections on the thin-wall metal tube 4 are fixedly connected with conical blocks 13 with conical sections, and by arranging the conical blocks 13, the liquefied water drops formed on the outer wall of the thin-wall metal tube 4 can actively drip, so that the direct contact of the indoor air and the outer wall of the thin-wall metal tube 4 is prevented from being influenced by the retention of the water drops, and the liquefying and dehumidifying effects of the air are further influenced.
The indoor temperature difference greenhouse dehumidification method based on the liquid internal circulation comprises the steps of setting a humidity early warning value through a display panel, uploading the humidity early warning value into a control panel, monitoring the humidity value in the greenhouse in real time through a humidity sensing probe on an indoor dehumidification host machine, sending the humidity value into the control panel, comparing the humidity value with the humidity early warning value after the control panel obtains the humidity value, controlling a cooling liquid circulating pump and an exhaust fan to operate when the humidity value exceeds the early warning value by the control panel, and achieving dehumidification operation on indoor air until the humidity value is lower than the early warning value, and stopping the cooling liquid circulating pump and the exhaust fan to operate.
The working principle of the invention is as follows: the humidity in the greenhouse is monitored in real time through a humidity sensing probe on the indoor dehumidification host, when the humidity exceeds an early warning value, a cooling liquid circulating pump is controlled to operate, so that cooling liquid in a cooling liquid container is input into the gas heat exchange tube 1 to form a circulating loop, then an indoor exhaust fan is controlled to operate, indoor air is input into the gas heat exchange tube 1, and the indoor air enters the gas heat exchange tube 1 and is liquefied when being cooled, so that the gas dehumidification effect is realized, and adverse effects on animals and plants caused by the excessive humidity in the greenhouse are avoided;
after the indoor air passes through the diversion effect of the exhaust fan, the indoor air is conveyed to the space between the inner wall of the gas heat exchange tube 1 and the outer wall of the thin-wall metal tube 4, and the wind bundles are concentrated and guided to be attached to the outer wall of the thin-wall metal tube 4 through the gathering effect of the basin-shaped airflow guide cover 7, so that the wrapping type forward pushing is formed, the indoor air in the gas heat exchange tube 1 with a larger pipe diameter can be kept in close contact with the outer wall of the thin-wall metal tube 4, the liquefaction and dehumidification effects of the air are further ensured, in addition, the wind bundles which are guided by the basin-shaped airflow guide cover 7 form impact and rebound with the inner side of the basin-shaped backflow guide cover 8, and then the wind bundles which are outwards turned along the periphery of the basin-shaped backflow guide cover 8 are formed by being matched with the horizontal wind bundles, in the process, the retention time of the wind bundles between the basin-shaped airflow guide cover 7 and the basin-shaped backflow guide cover 8 can be effectively increased, and meanwhile, the uniform mixing effect can be achieved, so that good contact liquefaction treatment can be carried out on the airflows of different layers on the airflows, the indoor air can be further improved, the dehumidification effect of the indoor air is realized, the circulating type dehumidification effect is realized, the heat exchange tube conversion efficiency of the indoor air is also improved, and the heat exchange efficiency is improved;
due to the adoption of the mounting mode of the vibration spring 11 for the thin-wall metal tube 4, after the cooling liquid circulating pump inputs cooling liquid into the thin-wall metal tube 4 through the condensation communicating pipe 3 and forms a circulating loop, the circulation of the cooling liquid in the thin-wall metal tube 4 can drive the plurality of rotary spoons 15 at different positions to rotate, and then the flowing state of the cooling liquid is disturbed, so that the thin-wall metal tube 4 vibrates under the elastic connection effect of the vibration spring 11, and in addition, the plurality of rotary spoons 15 at adjacent positions rotate, the cooling liquid flows around the corresponding positions can also influence each other, so that the vibration frequency of the thin-wall metal tube 4 is improved, and further, water drops formed by air when the surface of the thin-wall metal tube 4 is subjected to cold liquefaction can timely drip, so that indoor air can keep close contact with the outer wall of the thin-wall metal tube 4, and the heat conversion efficiency of the gas heat exchange tube 1 is further improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. Dehumidification device in canopy based on liquid inner loop and indoor difference in temperature, its characterized in that: the indoor dehumidifying device comprises an indoor dehumidifying host and an outdoor machine which are respectively arranged inside and outside a room, wherein a gas heat exchange tube (1) for liquefying indoor air when the indoor air is cooled and an exhaust fan communicated with the gas heat exchange tube (1) are arranged in the indoor dehumidifying host;
the gas heat exchange tube (1) is internally provided with a thin-wall metal tube (4) communicated with the output end of the cooling liquid circulating pump, the thin-wall metal tube (4) and the gas heat exchange tube (1) are coaxially arranged, the gas heat exchange tube (1) is internally provided with a plurality of groups of basin-shaped gas flow guide covers (7) and basin-shaped backflow guide covers (8) for changing the gas flow path, the basin-shaped gas flow guide covers (7) are fixedly connected to the inner wall of the gas heat exchange tube (1) and are not contacted with the thin-wall metal tube (4), the basin-shaped backflow guide covers (8) are fixedly sleeved on the thin-wall metal tube (4), the basin-shaped gas flow guide covers (7) and the basin-shaped backflow guide covers (8) are of basin-shaped structures, and the maximum diameter of the outer ends of the basin-shaped backflow guide covers (8) is smaller than the maximum diameter of the basin-shaped gas flow guide covers (7);
still be equipped with in gas heat exchange tube (1) can drive vibration subassembly that thin wall metal tube (4) take place vibrations, vibration subassembly contains thin wall metal tube (4) both ends be used for with vibration spring (11) that gas heat exchange tube (1) inner wall is connected, and be located in thin wall metal tube (4) and follow the coolant liquid circulate in thin wall metal tube (4) and a plurality of rotatory spoons (15) that rotate.
2. The indoor dehumidification device based on liquid internal circulation and indoor temperature difference as claimed in claim 1, wherein: the indoor dehumidification host machine is also provided with a humidity sensing probe capable of sensing indoor humidity, a display panel for displaying indoor humidity and a control panel for controlling the cooling liquid circulating pump, and the indoor dehumidification host machine is also internally provided with a liquefied water collector for collecting liquefied water formed by cold liquefaction of indoor air on the gas heat exchange tube (1) and a drain pipe communicated with the liquefied water collector.
3. The indoor dehumidification device based on liquid internal circulation and indoor temperature difference as claimed in claim 2, wherein: the indoor dehumidification host is internally provided with a plurality of gas heat exchange tubes (1) which are arranged in parallel, the input ends of the gas heat exchange tubes (1) are fixedly connected with an air inlet communicating tube (2) through a flange plate, the air inlet communicating tube (2) is of a bent tube structure and is communicated with the output end of the exhaust fan, one end of the air inlet communicating tube (2) is fixedly sleeved with a condensation communicating tube (3) which is extended to the outside of the air inlet communicating tube (2) and is communicated with the output end of the cooling liquid circulating pump, and one end of the condensation communicating tube (3) which is positioned in the air inlet communicating tube (2) is mutually clamped with the output end of the corresponding thin-wall metal tube (4) through a rubber tube (5).
4. A dehumidifying device in a booth based on liquid internal circulation and indoor temperature difference as claimed in claim 3, wherein: the thin-wall metal tube (4) is fixedly connected with a plurality of groups of bypass heat exchange tubes (6) for transferring heat, the plurality of bypass heat exchange tubes (6) on the same relative position are uniformly distributed in a circumference mode by taking the thin-wall metal tube (4) of the corresponding section as an axis, and two ends of the plurality of bypass heat exchange tubes (6) extend to the inner side and the outer side of the thin-wall metal tube (4) respectively.
5. The indoor dehumidification device based on liquid internal circulation and indoor temperature difference as set forth in claim 4, wherein: connecting blocks (10) which correspond to each other in multiple positions and are uniformly distributed circumferentially by taking the thin-wall metal tube (4) as an axis are fixedly arranged on the inner walls of the two ends of the gas heat exchange tube (1) and the outer walls of the two ends of the thin-wall metal tube (4), and one vibrating spring (11) is fixedly connected between the two connecting blocks (10) at the same relative position.
6. A dehumidifying device in a shelter based on internal circulation of liquid and indoor temperature difference as claimed in claim 1 or 5, wherein: the inner walls of a plurality of horizontal sections on the gas heat exchange tube (1) are fixedly connected with a plurality of basin-shaped gas flow guide covers (7) which take the thin-wall metal tube (4) as axes and are uniformly distributed in a straight line, a plurality of basin-shaped backflow guide covers (8) which take the thin-wall metal tube (4) as axes and are uniformly distributed in a straight line are fixedly sleeved on the outer walls of the plurality of horizontal sections on the thin-wall metal tube (4), the basin-shaped backflow guide covers (8) are matched with the basin-shaped gas flow guide covers (7) at corresponding positions in function, the basin-shaped gas flow guide covers (7) and the basin-shaped backflow guide covers (8) at the same relative positions are in basin-shaped conical structures, and gas input into the gas heat exchange tube (1) can realize gathering and guiding and the outer walls of the thin-wall metal tube (4) to keep fit with each other to increase gas flow.
7. The indoor dehumidification device based on liquid internal circulation and indoor temperature difference as claimed in claim 2, wherein: the device is characterized in that an inclined condensate pipe (9) for collecting condensed water formed by cold liquefaction in the gas heat exchange tube (1) is fixedly connected to the outer wall of the gas heat exchange tube (1), a plurality of connecting pipes extending into the gas heat exchange tube (1) are fixedly communicated with the inclined condensate pipe (9), the horizontal section of the inclined condensate pipe (9) on the outer wall of the gas heat exchange tube (1) is obliquely arranged, and the output end of the inclined condensate pipe (9) is communicated with the liquefied water collector.
8. The indoor dehumidification device based on liquid internal circulation and indoor temperature difference as claimed in claim 7, wherein: the bottom ends of the outer walls of the horizontal sections on the thin-wall metal tube (4) are fixedly connected with conical blocks (13) with conical sections.
9. The indoor dehumidification device based on liquid internal circulation and indoor temperature difference as claimed in claim 1, wherein: a plurality of fixed shafts (14) which are uniformly distributed in a straight line by taking the axis of the thin-wall metal tube (4) are fixedly connected in the thin-wall metal tube (4), a rotating sleeve is sleeved on each of the fixed shafts (14), a plurality of rotating scoops (15) which are uniformly distributed in a circumference by taking the corresponding fixed shaft (14) as an axis are fixedly connected on each of the rotating sleeves, and the rotating scoops (15) are matched with the flow direction of cooling liquid in the thin-wall metal tube (4);
the output ends of the thin-wall metal pipes (4) are fixedly connected with guide basins (12), and the maximum diameter of each guide basin (12) is larger than the diameter of the outer wall of each thin-wall metal pipe (4) and smaller than the diameter of the inner wall of each gas heat exchange pipe (1).
10. A method for dehumidifying in a shed based on internal liquid circulation and indoor temperature difference, which is characterized in that the device for dehumidifying in a shed based on internal liquid circulation and indoor temperature difference is used according to any one of claims 1-9, and is characterized in that:
the humidity early warning value is set through the display panel and uploaded into the control panel, the humidity value in the shed is monitored in real time through the humidity sensing probe on the indoor dehumidification host machine and is sent to the control panel, the control panel compares the humidity value with the humidity early warning value after obtaining the humidity value, when the humidity value exceeds the early warning value, the control panel controls the cooling liquid circulating pump and the exhaust fan to operate, dehumidification operation is carried out on indoor air is achieved, and when the humidity value is lower than the early warning value, the cooling liquid circulating pump and the exhaust fan are stopped to operate.
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| CN102589071B (en) * | 2011-08-25 | 2014-03-19 | 奉政一 | Super-heat-conduction-transmission cooling and heating device |
| JP2013092320A (en) * | 2011-10-27 | 2013-05-16 | Yokohama Rubber Co Ltd:The | Air conditioning device |
| US10962243B2 (en) * | 2014-12-22 | 2021-03-30 | Mitsubishi Electric Us, Inc. | Air conditioning system with dehumidification mode |
| CN205897383U (en) * | 2016-07-02 | 2017-01-18 | 李泽 | Greenhouse air dewetting economizer |
| WO2018130744A1 (en) * | 2017-01-12 | 2018-07-19 | Netled Oy | Apparatus for dehumidifying indoor air in a facility for plants |
| WO2020118241A1 (en) * | 2018-12-06 | 2020-06-11 | 7Ac Technologies, Inc. | Liquid desiccant air-conditioning systems and methods for greenhouses and growth cells |
| CN109595726A (en) * | 2019-01-15 | 2019-04-09 | 大连理工大学 | A kind of cold emission suspended ceiling air-conditioner tail end equipment to dehumidify |
| CN112262689B (en) * | 2020-11-04 | 2022-05-17 | 中国农业科学院蔬菜花卉研究所 | Internal environment adjusting system of sunlight greenhouse |
| CN215223487U (en) * | 2021-04-28 | 2021-12-21 | 中国科学院东北地理与农业生态研究所 | Intelligent humidity control system of climate chamber |
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