CN113133364A - Intelligent temperature and humidity control method and system for greenhouse - Google Patents

Intelligent temperature and humidity control method and system for greenhouse Download PDF

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Publication number
CN113133364A
CN113133364A CN202110542175.5A CN202110542175A CN113133364A CN 113133364 A CN113133364 A CN 113133364A CN 202110542175 A CN202110542175 A CN 202110542175A CN 113133364 A CN113133364 A CN 113133364A
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indoor
temperature
humidity
greenhouse
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CN113133364B (en
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韩银飞
廖燕红
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Ningxia Haojiaxiang Ecological Agriculture Technology Development Co ltd
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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
    • A01G9/14—Greenhouses
    • 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
    • A01G9/22—Shades or blinds for greenhouses, or the like
    • A01G9/227—Shades or blinds for greenhouses, or the like rolled up during non-use
    • 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
    • A01G9/241—Arrangement of opening or closing systems for windows and ventilation panels
    • 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
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
    • G16Y10/00—Economic sectors
    • G16Y10/05—Agriculture
    • 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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  • Environmental Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Business, Economics & Management (AREA)
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  • Development Economics (AREA)
  • Economics (AREA)
  • General Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Greenhouses (AREA)

Abstract

The invention discloses a greenhouse temperature and humidity intelligent control method and system, wherein the method comprises the following steps: carry out the comparison with the current indoor outer difference in temperature of target warmhouse booth and predetermine the indoor difference in temperature, obtain the comparative result, upload the comparative result to predetermineeing the server terminal, detect target warmhouse booth's indoor humidity, calculate the indoor dryness fraction of target warmhouse booth according to indoor humidity and indoor temperature, feed back indoor dryness fraction to predetermineeing the server terminal, utilize predetermineeing the server terminal and confirm whether need adjust external book curtain or vent and whether need carry out the humidification to the air according to comparative result and indoor dryness fraction, when confirming that need adjust external book curtain or vent and need carry out the humidification to the air, start the controlling means and the indoor air humidifying device of target warmhouse booth of external book curtain or vent and come the intelligent regulation humiture. The temperature and humidity in the target greenhouse are intelligently controlled, manual adjustment is not needed, and labor cost is saved.

Description

Intelligent temperature and humidity control method and system for greenhouse
Technical Field
The invention relates to the technical field of temperature and humidity control, in particular to an intelligent temperature and humidity control method and system for a greenhouse.
Background
The greenhouse is mainly used for adjusting the climate in the greenhouse to meet the growth requirement of plants in real time according to the optimal growth conditions of crops, and avoiding the adverse effects of outdoor four-season changes and severe climate. The growth of the plants in the greenhouse is not influenced by climatic conditions, and the greenhouse can continuously produce different out-of-season crops such as vegetables, flowers, fruits and the like on limited land all year round, thereby greatly improving the economic income of the land in unit area. The environment variables needing to be regulated and controlled in the greenhouse comprise temperature, light, water, gas, fertilizer and the like, wherein the air temperature and the air humidity are dominant environmental factors for plant growth in the greenhouse and have the most obvious influence on plant growth and development.
Disclosure of Invention
Aiming at the problems shown above, the invention provides an intelligent temperature and humidity control method and system for a greenhouse, which are used for solving the problems of great manpower loss and too extensive control in the background art, reducing the occurrence of the situation that the yield of products in the greenhouse is reduced due to poor growth environment because the temperature and humidity in the greenhouse cannot be timely controlled when people in the greenhouse are in a busy state, and reducing the economic loss.
An intelligent temperature and humidity control method for a greenhouse comprises the following steps:
comparing the current indoor and outdoor temperature difference of the target greenhouse with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal;
detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding back the indoor dryness to the preset server terminal;
determining whether an external roller shutter or an air vent needs to be adjusted and whether air needs to be humidified according to the comparison result and the indoor dryness by using the preset server terminal;
when the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, the temperature and the humidity are intelligently adjusted by starting the control device of the external roller shutter or the vent and the indoor air humidifying device of the target greenhouse.
Preferably, will the present indoor outer difference in temperature and the preset indoor difference in temperature carry out the comparison, obtain the comparative result, will the comparative result is uploaded to preset server terminal, include:
detecting the indoor temperature by utilizing a first temperature sensor arranged indoors in the target greenhouse, and detecting the outdoor temperature by utilizing a second temperature sensor arranged outdoors;
correcting the indoor temperature and the outdoor temperature to obtain the processed indoor temperature and the processed outdoor temperature;
calculating the current indoor and outdoor temperature difference of the target greenhouse according to the processed indoor temperature and the outdoor temperature;
connecting the first temperature sensor and the second temperature sensor with a preset server terminal, and comparing the current indoor and outdoor temperature difference with a preset indoor temperature difference after connection to obtain a comparison result;
uploading the comparison result to the preset server terminal;
the indoor humidity of target warmhouse booth is detected, the indoor dryness of target warmhouse booth is calculated according to indoor humidity and indoor temperature, with indoor dryness feedback to predetermine the server terminal, include:
sending a microwave signal to a preset humidity detection plate, and receiving a feedback signal of the humidity detection plate;
evaluating the feedback signal to obtain the indoor humidity of the target greenhouse;
calculating a target indoor dryness index of the target greenhouse according to the indoor humidity and the indoor temperature;
screening a target dryness corresponding to a target indoor dryness index from a preset dryness index table, and determining the target dryness as the indoor dryness of the target greenhouse;
and feeding back the target dryness to the preset server terminal.
Preferably, the determining, by using the preset server terminal, whether the external roller shutter or the vent needs to be adjusted and whether the air needs to be humidified according to the comparison result and the indoor dryness includes:
if the comparison result is that the current indoor and outdoor temperature difference is greater than the preset indoor temperature difference, the ventilation opening is determined to be opened, and if the comparison result is that the current indoor and outdoor temperature difference is less than the preset indoor temperature difference, the external roller shutter is determined to be adjusted;
and if the indoor dryness is less than or equal to the preset dryness, determining that the air does not need to be humidified.
Preferably, when it is determined that the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, before the preset server terminal is used to start the control device of the external roller shutter or the vent and the indoor air humidifying device of the target greenhouse to intelligently adjust the temperature and the humidity, the method further comprises the following steps:
acquiring control range parameters of a control device of the external roller shutter or the air vent and an air humidifying device;
inputting the control range parameters into a preset control program in the preset server terminal;
and the control device communicated with the external roller shutter or the ventilation opening and the air humidifying device are electrically connected with the preset server terminal.
Preferably, when confirming that external roll of curtain or vent and needs to carry out the humidification to the air need be adjusted, utilize predetermine server terminal and start controlling means and the indoor air humidification device of target warmhouse booth of external roll of curtain or vent and come the intelligent regulation humiture, include:
acquiring the adjusted expected temperature and the adjusted expected humidity;
determining the adjusting height of an external roller shutter or the adjusting width of an air vent and the working time of an air humidifying device according to the expected temperature and the expected humidity and the indoor temperature and the indoor humidity of the target greenhouse;
and according to the adjusting height of the external roller shutter or the adjusting width of the vent and the working duration of the air humidifying device, the preset server terminal is utilized to start the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device to intelligently adjust the temperature and the humidity.
Preferably, the method further comprises:
detecting the indoor illumination intensity and the current people stream density of the target greenhouse;
constructing a comfort evaluation function of the target greenhouse according to the indoor illumination intensity and a preset temperature and humidity evaluation model;
evaluating the target comfort level under the current people stream density according to the comfort level evaluation function;
and adjusting the temperature and the humidity in the target greenhouse according to the target comfort degree adaptability.
Preferably, the method further comprises:
collecting color information and reflection information of a target greenhouse film;
the color information and the reflection information are used as input factors of fuzzy reasoning, and an indoor earth surface temperature change interval, an indoor earth surface humidity change interval, a product temperature change interval and a product humidity change interval of the target greenhouse are used as output factors of the fuzzy reasoning;
constructing a temperature and humidity fuzzy control system of the target greenhouse according to the input phonemes and the output phonemes;
determining the change areas of input factors and output factors in the temperature and humidity fuzzy control system;
assigning affiliation degree functions of the temperature and humidity fuzzy control system according to the change areas of the input factors and the output factors;
creating a temperature and humidity fuzzy control table based on a combination rule of surface parameters and internal parameters of the target greenhouse according to the division membership function;
utilizing the temperature and humidity fuzzy control table to evaluate the qualification of the adjusted indoor temperature and indoor humidity to obtain an evaluation result;
when the evaluation result is qualified, subsequent operation is not needed, and when the evaluation result is unqualified, the indoor temperature and the indoor humidity before adjustment and the indoor temperature and the indoor humidity after adjustment are obtained;
establishing a piecewise nonlinear correction model A according to the indoor temperature before adjustment, the indoor temperature after adjustment and the transition temperature between the indoor temperature and the indoor temperature after adjustment, and establishing a piecewise nonlinear correction model B according to the indoor humidity before adjustment, the indoor humidity after adjustment and the transition temperature between the indoor temperature before adjustment and the indoor temperature after adjustment;
determining a temperature hysteresis interval of internal parameters of the target greenhouse together according to the indoor ground surface temperature change interval and the product temperature change interval, and determining a humidity hysteresis interval of the internal parameters of the target greenhouse together according to the indoor ground surface humidity change interval and the product humidity change interval;
detecting the current indoor earth surface temperature and indoor earth surface humidity and the current product temperature and product humidity in a target greenhouse, calculating a first critical value corresponding to the current indoor earth surface temperature and the current product temperature according to the current indoor earth surface temperature and the current product temperature, and calculating a second critical value corresponding to the current indoor earth surface humidity and the current product humidity according to the current indoor earth surface humidity and the product humidity;
selecting a temperature reference value corresponding to a first critical value in the temperature hysteresis interval, and selecting a humidity reference value corresponding to a second critical value in the humidity hysteresis interval;
determining a temperature correction factor corresponding to the temperature reference value by using the piecewise nonlinear correction model A, and determining a humidity correction factor corresponding to the humidity reference value by using the piecewise nonlinear correction model B;
correcting the adjusted indoor temperature and indoor humidity by using the temperature correction factor and the humidity correction factor to obtain a correction result;
and readjusting the temperature and the humidity in the target greenhouse by using the preset server terminal according to the correction result.
Preferably, the method further comprises:
detecting the target greenhouse to obtain a detection result;
calculating the current transmittance of the target greenhouse according to the detection result, judging whether the current transmittance is smaller than the preset transmittance or not, and when the current transmittance is larger than or equal to the preset transmittance, performing subsequent operation without;
when the current transmittance is smaller than the preset transmittance, confirming that the dust on the surface of the film of the target greenhouse is more, confirming that the temperature and humidity regulation inside the target greenhouse is influenced, and sending an alarm prompt;
the calculating the transmittance of the target greenhouse film according to the detection result comprises the following steps:
arranging N detection points in the target greenhouse;
calculating the light transmittance K of the target greenhouse film, as shown in formula (1):
Figure BDA0003072219240000061
wherein N is the number of detection points arranged in the target greenhouse; piThe solar irradiance received by the Nth detection point; siThe distance from the ith detection point to the target greenhouse film is calculated; l is the length of the target greenhouse film; beta is the transmission angle of the target greenhouse film; e is a natural constant, and the value is 2.72; lambda is the material coefficient of the target greenhouse film; zeta is the aging coefficient of the target greenhouse film;
calculating the current transmittance Z of the target greenhouse according to the transmittance K of the target greenhouse film, as shown in a formula (2):
Figure BDA0003072219240000062
wherein R is a solar constant; alpha is the solar altitude; theta is the solar azimuth; psi is a correction factor for the solar azimuth angle; χ is the attenuation coefficient of the radiant energy emitted by the sun; and V is an atmospheric transmittance correction coefficient.
Preferably, the method further comprises:
dividing the greenhouse into a plurality of areas, and determining key environmental parameters of each area based on the target characteristics of each area; the key environmental parameters include: any one or more of air temperature, soil humidity, air humidity, illuminance, wind speed and gas concentration; the target features include: the species of the seed plant, the current growth period of the plant and the degree of human intervention required;
determining an importance coefficient of the key environment parameter based on the target characteristics, and constructing an initial environment parameter evaluation model of each region based on the key environment parameter and the importance coefficient of each key environment parameter;
acquiring the current damage degree and the residual life of the greenhouse in each area, and correcting the initial environmental parameter evaluation model based on the current damage degree, the rated allowable damage degree and the first ratio of the residual life to the rated life to obtain a corrected environmental parameter evaluation model;
acquiring a key environment parameter set obtained by a plurality of times of detection of the greenhouse in a detection period based on an environment monitoring device;
based on a set of key environment parameters; the corrected environmental parameter evaluation model is used for quantitatively evaluating the environmental state in each area, and artificial intervention measures are made based on the quantitative evaluation result, wherein the artificial intervention measures comprise humidification;
the method further comprises the following steps: in a humidification state, calculating stress parameters of the plants in the corresponding region in the humidification state based on parameters of water sprayed by the spraying device and combined with corresponding plant state parameters of the region, acquiring a second ratio of the stress parameters to preset rated stress parameters, and determining humidification reliability based on the second ratio; the parameters of the injected water include: the angle of the sprayed water, the distance between a spray head of the spraying device and the center of the corresponding area, the flow speed of the sprayed water and the water pressure; the plant state parameters comprise the height, the concentration and the area of the plant.
The utility model provides a warmhouse booth humiture intelligence control system, this system includes:
the comparison module is used for comparing the current indoor and outdoor temperature difference of the target greenhouse with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal;
the calculation module is used for detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding back the indoor dryness to the preset server terminal;
the confirmation module is used for confirming whether the external roller shutter or the ventilation opening needs to be adjusted and whether the air needs to be humidified or not according to the comparison result and the indoor dryness by utilizing the preset server terminal;
and the control module is used for utilizing the preset server terminal to start a control device of the external roller shutter or the vent and an indoor air humidifying device of the target greenhouse to intelligently regulate the temperature and the humidity when the external roller shutter or the vent needs to be regulated and the air needs to be humidified.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
Fig. 1 is a working flow chart of an intelligent control method for the temperature and humidity of a greenhouse provided by the invention;
fig. 2 is another work flow chart of the intelligent control method for the temperature and humidity of the greenhouse provided by the invention;
fig. 3 is another work flow chart of the intelligent control method for the temperature and humidity of the greenhouse provided by the invention;
fig. 4 is a schematic structural diagram of an intelligent greenhouse temperature and humidity control system provided by the invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The greenhouse is mainly used for adjusting the climate in the greenhouse to meet the growth requirement of plants in real time according to the optimal growth conditions of crops, and avoiding the adverse effects of outdoor four-season changes and severe climate. The growth of the plants in the greenhouse is not influenced by climatic conditions, and the greenhouse can continuously produce different out-of-season crops such as vegetables, flowers, fruits and the like on limited land all year round, thereby greatly improving the economic income of the land in unit area. The environment variables needing to be regulated and controlled in the greenhouse comprise temperature, light, water, gas, fertilizer and the like, wherein the air temperature and the air humidity are dominant environmental factors for plant growth in the greenhouse and have the most obvious influence on plant growth and development. In order to solve the above problems, the embodiment discloses an intelligent control method for the temperature and humidity of a greenhouse.
An intelligent temperature and humidity control method for a greenhouse is shown in figure 1 and comprises the following steps:
step S101, comparing the current indoor and outdoor temperature difference of a target greenhouse with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal;
step S102, detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding back the indoor dryness to the preset server terminal;
step S103, confirming whether an external roller shutter or an air vent needs to be adjusted and whether air needs to be humidified by using the preset server terminal according to the comparison result and the indoor dryness;
and S104, when the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, starting a control device of the external roller shutter or the vent and a target indoor air humidifying device of the greenhouse by using the preset server terminal to intelligently adjust the temperature and the humidity.
The working principle of the technical scheme is as follows: comparing the current indoor and outdoor temperature difference of the target greenhouse with a preset indoor temperature difference to obtain a comparison result, uploading the comparison result to a preset server terminal, detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, feeding the indoor dryness back to the preset server terminal, confirming whether an external roller shutter or an air vent needs to be adjusted and whether air needs to be humidified according to the comparison result and the indoor dryness by using the preset server terminal, when the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, the temperature and the humidity are intelligently adjusted by starting the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device through the preset server terminal.
The beneficial effects of the above technical scheme are: the ventilation opening, the external roller shutter and the air humidifying device are controlled according to the indoor and outdoor temperature difference of the target greenhouse by utilizing the preset server terminal, so that the temperature and humidity in the target greenhouse can be intelligently controlled according to the indoor and outdoor temperature difference of the target greenhouse, manual adjustment is not needed, the labor cost is saved, meanwhile, the temperature and humidity can be timely controlled at the first time, the product in the target greenhouse can constantly maintain proper temperature and humidity, the healthy growth of the product is ensured, the problem that the labor power is greatly wasted by the prior art center is solved, and the temperature and humidity in the greenhouse cannot be timely controlled timely when the person is in a busy state in the greenhouse, so that the product in the greenhouse is caused to have poor growth environment and yield reduction, and the problem of economic loss is caused.
In an embodiment, as shown in fig. 2, the comparing the current indoor and outdoor temperature difference with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal includes:
step S201, detecting indoor temperature by using a first temperature sensor installed indoors and detecting outdoor temperature by using a second temperature sensor installed outdoors;
step S202, correcting the indoor temperature and the outdoor temperature to obtain the processed indoor temperature and the processed outdoor temperature;
step S203, calculating the current indoor and outdoor temperature difference of the target greenhouse according to the processed indoor temperature and the outdoor temperature;
s204, connecting the first temperature sensor and the second temperature sensor with a preset server terminal, and comparing the current indoor and outdoor temperature difference with a preset indoor temperature difference after connection to obtain a comparison result;
and S205, uploading the comparison result to the preset server terminal.
The beneficial effects of the above technical scheme are: the final temperature detection result is ensured to be more practical by correcting the indoor temperature and the outdoor temperature detected by the temperature sensor.
In one embodiment, the detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding back the indoor dryness to the preset server terminal includes:
sending a microwave signal to a preset humidity detection plate, and receiving a feedback signal of the humidity detection plate;
evaluating the feedback signal to obtain the indoor humidity of the target greenhouse;
calculating a target indoor dryness index of the target greenhouse according to the indoor humidity and the indoor temperature;
screening a target dryness corresponding to a target indoor dryness index from a preset dryness index table, and determining the target dryness as the indoor dryness of the target greenhouse;
and feeding back the target dryness to the preset server terminal.
The beneficial effects of the above technical scheme are: the indoor humidity of the target greenhouse can be detected under the condition that a humidity sensor is not needed by determining the indoor humidity in the target greenhouse according to the feedback signal of the humidity detection plate, and the data can be ensured to be more accurate by comparing with the mode that an estimation signal is used for detecting the humidity by using the humidity sensor in the prior art.
In one embodiment, the determining, by using the preset server terminal, whether the external roller shutter or the vent needs to be adjusted and whether air needs to be humidified according to the comparison result and the indoor dryness includes:
if the comparison result is that the current indoor and outdoor temperature difference is greater than the preset indoor temperature difference, the ventilation opening is determined to be opened, and if the comparison result is that the current indoor and outdoor temperature difference is less than the preset indoor temperature difference, the external roller shutter is determined to be adjusted;
and if the indoor dryness is less than or equal to the preset dryness, determining that the air does not need to be humidified.
In one embodiment, before the preset server terminal is used to start the control device of the external roller shutter or the vent and the target indoor air humidifying device of the greenhouse to intelligently regulate the temperature and the humidity when it is determined that the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, the method further comprises:
acquiring control range parameters of a control device of the external roller shutter or the air vent and an air humidifying device;
inputting the control range parameters into a preset control program in the preset server terminal;
and the control device communicated with the external roller shutter or the ventilation opening and the air humidifying device are electrically connected with the preset server terminal.
The beneficial effects of the above technical scheme are: the control of the control device of the external roller shutter or the vent and the air humidifying device by the preset server terminal can be ensured to be stable.
In one embodiment, when it is determined that the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, the preset server terminal is used to start the control device of the external roller shutter or the vent and the target indoor air humidifying device of the greenhouse to intelligently adjust the temperature and the humidity, and the method includes:
acquiring the adjusted expected temperature and the adjusted expected humidity;
determining the adjusting height of an external roller shutter or the adjusting width of an air vent and the working time of an air humidifying device according to the expected temperature and the expected humidity and the indoor temperature and the indoor humidity of the target greenhouse;
and according to the adjusting height of the external roller shutter or the adjusting width of the vent and the working duration of the air humidifying device, the preset server terminal is utilized to start the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device to intelligently adjust the temperature and the humidity.
The beneficial effects of the above technical scheme are: the external roller shutter or the ventilation opening and the air humidifying device can be intelligently adjusted according to actual requirements, and intelligent control is further achieved.
In one embodiment, as shown in fig. 3, the method further comprises:
s301, detecting the indoor illumination intensity and the current people stream density of the target greenhouse;
s302, constructing a comfort evaluation function of the target greenhouse according to the indoor illumination intensity and a preset temperature and humidity evaluation model;
step S303, evaluating the target comfort level under the current people stream density according to the comfort level evaluation function;
and S304, adjusting the temperature and the humidity in the target greenhouse according to the target comfort degree adaptability.
The beneficial effects of the above technical scheme are: the temperature and the humidity in the target greenhouse can be intelligently controlled according to the people flow density in the target greenhouse, the comfort degree of workers in the target greenhouse is guaranteed, and the working efficiency of the workers is improved.
In one embodiment, the method further comprises:
collecting color information and reflection information of a target greenhouse film;
the color information and the reflection information are used as input factors of fuzzy reasoning, and an indoor earth surface temperature change interval, an indoor earth surface humidity change interval, a product temperature change interval and a product humidity change interval of the target greenhouse are used as output factors of the fuzzy reasoning;
constructing a temperature and humidity fuzzy control system of the target greenhouse according to the input phonemes and the output phonemes;
determining the change areas of input factors and output factors in the temperature and humidity fuzzy control system;
assigning affiliation degree functions of the temperature and humidity fuzzy control system according to the change areas of the input factors and the output factors;
creating a temperature and humidity fuzzy control table based on a combination rule of surface parameters and internal parameters of the target greenhouse according to the division membership function;
utilizing the temperature and humidity fuzzy control table to evaluate the qualification of the adjusted indoor temperature and indoor humidity to obtain an evaluation result;
when the evaluation result is qualified, subsequent operation is not needed, and when the evaluation result is unqualified, the indoor temperature and the indoor humidity before adjustment and the indoor temperature and the indoor humidity after adjustment are obtained;
establishing a piecewise nonlinear correction model A according to the indoor temperature before adjustment, the indoor temperature after adjustment and the transition temperature between the indoor temperature and the indoor temperature after adjustment, and establishing a piecewise nonlinear correction model B according to the indoor humidity before adjustment, the indoor humidity after adjustment and the transition temperature between the indoor temperature before adjustment and the indoor temperature after adjustment;
determining a temperature hysteresis interval of internal parameters of the target greenhouse together according to the indoor ground surface temperature change interval and the product temperature change interval, and determining a humidity hysteresis interval of the internal parameters of the target greenhouse together according to the indoor ground surface humidity change interval and the product humidity change interval;
detecting the current indoor earth surface temperature and indoor earth surface humidity and the current product temperature and product humidity in a target greenhouse, calculating a first critical value corresponding to the current indoor earth surface temperature and the current product temperature according to the current indoor earth surface temperature and the current product temperature, and calculating a second critical value corresponding to the current indoor earth surface humidity and the current product humidity according to the current indoor earth surface humidity and the product humidity;
selecting a temperature reference value corresponding to a first critical value in the temperature hysteresis interval, and selecting a humidity reference value corresponding to a second critical value in the humidity hysteresis interval;
determining a temperature correction factor corresponding to the temperature reference value by using the piecewise nonlinear correction model A, and determining a humidity correction factor corresponding to the humidity reference value by using the piecewise nonlinear correction model B;
correcting the adjusted indoor temperature and indoor humidity by using the temperature correction factor and the humidity correction factor to obtain a correction result;
and readjusting the temperature and the humidity in the target greenhouse by using the preset server terminal according to the correction result.
The beneficial effects of the above technical scheme are: whether the adjusted indoor temperature and the adjusted indoor humidity are qualified or not can be confirmed by constructing a piecewise nonlinear correction model of the temperature and the humidity of the target greenhouse, aiming at the internal influence factor and the external influence factor of the target greenhouse, whether the adjusted indoor temperature and the adjusted indoor humidity accord with the growth of the product or not can be accurately determined, and the normality of the growth environment of the product is further ensured.
In one embodiment, the method further comprises:
detecting the target greenhouse to obtain a detection result;
calculating the current transmittance of the target greenhouse according to the detection result, judging whether the current transmittance is smaller than the preset transmittance or not, and when the current transmittance is larger than or equal to the preset transmittance, performing subsequent operation without;
when the current transmittance is smaller than the preset transmittance, confirming that the dust on the surface of the film of the target greenhouse is more, confirming that the temperature and humidity regulation inside the target greenhouse is influenced, and sending an alarm prompt;
the calculating the transmittance of the target greenhouse film according to the detection result comprises the following steps:
arranging N detection points in the target greenhouse;
calculating the light transmittance K of the target greenhouse film, as shown in formula (1):
Figure BDA0003072219240000141
wherein N is the number of detection points arranged in the target greenhouse; piThe solar irradiance received by the Nth detection point; siThe distance from the ith detection point to the target greenhouse film is calculated; l is the length of the target greenhouse film; beta is the transmission angle of the target greenhouse film; e is a natural constant, and the value is 2.72; lambda is the material coefficient of the target greenhouse film; zeta is the aging coefficient of the target greenhouse film;
calculating the current transmittance Z of the target greenhouse according to the transmittance K of the target greenhouse film, as shown in a formula (2):
Figure BDA0003072219240000151
wherein R is a solar constant; alpha is the solar altitude; theta is the solar azimuth; psi is a correction factor for the solar azimuth angle; χ is the attenuation coefficient of the radiant energy emitted by the sun; and V is an atmospheric transmittance correction coefficient.
The beneficial effect of above-mentioned scheme does: the current transmittance of the target greenhouse is an important parameter influencing the temperature and humidity inside the target greenhouse, if the current transmittance changes, the temperature and humidity inside the target greenhouse can be changed, therefore, the current transmittance of a target greenhouse film is calculated, the target greenhouse is detected to obtain a detection result, the subsequent calculation is more accurate and quicker, when the current transmittance of the target greenhouse is calculated, the accuracy of judging the current transmittance and the preset transmittance is improved by considering the solar altitude, the solar azimuth, the attenuation coefficient of radiation energy emitted by the sun and the atmospheric transmittance correction coefficient, and an alarm prompt is sent when the current transmittance is less than the preset transmittance, reminding workers to clean dust on the surface of the target greenhouse film in time, ensuring normal temperature and humidity of the target greenhouse and further ensuring the vigorous growth of products in the target greenhouse.
In one embodiment, the method further comprises:
dividing the greenhouse into a plurality of areas, and determining key environmental parameters of each area based on the target characteristics of each area; the key environmental parameters include: any one or more of air temperature, soil humidity, air humidity, illuminance, wind speed and gas concentration; the target features include: the species of the seed plant, the current growth period of the plant and the degree of human intervention required;
determining an importance coefficient of the key environment parameter based on the target characteristics, and constructing an initial environment parameter evaluation model of each region based on the key environment parameter and the importance coefficient of each key environment parameter;
acquiring the current damage degree and the residual life of the greenhouse in each area, and correcting the initial environmental parameter evaluation model based on the current damage degree, the rated allowable damage degree and the first ratio of the residual life to the rated life to obtain a corrected environmental parameter evaluation model;
acquiring a key environment parameter set obtained by a plurality of times of detection of the greenhouse in a detection period based on an environment monitoring device;
based on a set of key environment parameters; the corrected environmental parameter evaluation model is used for quantitatively evaluating the environmental state in each area, and artificial intervention measures are made based on the quantitative evaluation result, wherein the artificial intervention measures comprise humidification;
the method further comprises the following steps: in a humidification state, calculating stress parameters of the plants in the corresponding region in the humidification state based on parameters of water sprayed by the spraying device and combined with corresponding plant state parameters of the region, acquiring a second ratio of the stress parameters to preset rated stress parameters, and determining humidification reliability based on the second ratio; the parameters of the injected water include: the angle of the sprayed water, the distance between a spray head of the spraying device and the center of the corresponding area, the flow speed of the sprayed water and the water pressure; the plant state parameters comprise the height, the concentration and the area of the plant.
Preferably, the modified environment parameter evaluation model may be as follows:
Figure BDA0003072219240000161
wherein M is the number of the key environmental parameters in the calculated region, and N is the total detection times of the environmental monitoring device in the detection period; fj(i+1)Detecting the j (th) key environmental parameter for the (i + 1) th time detected by the environmental monitoring device, Fj(i)Detecting the j-th key environmental parameter for the ith time detected by the environmental monitoring device, Fj0The preset variation value of the jth key environment parameter in the two adjacent detections is obtained; fjmaxIs the maximum detection value of the j-th critical environment, FjminIs the minimum detection value of the j critical environment, f0A preset target value of the jth key environment; ln is a natural logarithm; w1The current damage degree is obtained; w0The rated allowable damage degree is obtained; h1The remaining life is; h0Rated life;
the working principle and the beneficial effects of the technical scheme are as follows: dividing the greenhouse into a plurality of areas, and determining key environmental parameters of each area based on the target characteristics of each area; determining an importance coefficient of the key environment parameter based on the target characteristics, and constructing an initial environment parameter evaluation model of each region based on the key environment parameter and the importance coefficient of each key environment parameter, so that the corresponding evaluation of the regions is facilitated according to the actual situation of each region, and the evaluation is more reliable;
then obtaining the current damage degree and the residual life of the greenhouse in each area, and correcting the initial environmental parameter evaluation model based on the first ratio of the current damage degree to the rated allowable damage degree and the first ratio of the residual life to the rated life to obtain a corrected environmental parameter evaluation model; the evaluation model is corrected in consideration of the current damage degree (such as aging damage caused by long service time or other factors) and the residual life of the greenhouse in each area, so that the evaluation result is adapted to the current state of the greenhouse;
then, acquiring a key environment parameter set obtained by a plurality of times of detection of the greenhouse in a detection period based on an environment monitoring device; based on a set of key environment parameters; and the corrected environmental parameter evaluation model is used for quantitatively evaluating the environmental state in each area and formulating human intervention measures based on the quantitative evaluation result, wherein the human intervention measures comprise humidification (the calculation result of the formula is greater than a first preset value, and the temperature and humidity parameters are calculated
Figure RE-GDA0003105381690000171
Humidification when the values are all larger than a preset value) and the like; the current area state is quantitatively evaluated based on the actual key environmental parameters monitored by the environmental monitoring device, the damage and service life states and the importance coefficient, so that manual intervention measures can be made according to the quantitative evaluation result, and the manual intervention measures are matched better;
the method further comprises the following steps: in a humidification state, calculating stress parameters of the plants in the corresponding region in the humidification state based on parameters of water sprayed by the spraying device and combined with corresponding plant state parameters of the region, acquiring a second ratio of the stress parameters to preset rated stress parameters, and determining humidification reliability based on the second ratio; the parameters of the injected water include: the angle of the sprayed water, the distance between a spray head of the spraying device and the center of the corresponding area, the flow speed of the sprayed water and the water pressure; the plant state parameters comprise the height, the concentration and the area of the plant. And under the humidification state, acquiring a second ratio of the stress parameter to a preset rated stress parameter based on the parameters of the water sprayed by the spraying device and the corresponding plant state parameters of the region, determining the humidification reliability based on the second ratio, and avoiding the influence on the humidification effect and the plant growth caused by abnormal stress parameters.
This embodiment still discloses a warmhouse booth humiture intelligence control system, as shown in FIG. 4, this system includes:
the comparison module 401 is configured to compare a current indoor and outdoor temperature difference of the target greenhouse with a preset indoor temperature difference, obtain a comparison result, and upload the comparison result to a preset server terminal;
a calculating module 402, configured to detect an indoor humidity of the target greenhouse, calculate an indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feed back the indoor dryness to the preset server terminal;
a confirming module 403, configured to confirm whether the external roller shutter or the air vent needs to be adjusted and whether air needs to be humidified according to the comparison result and the indoor dryness by using the preset server terminal;
and the control module 404 is configured to, when it is determined that the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, utilize the preset server terminal to start the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device to intelligently adjust the temperature and humidity.
The working principle and the advantageous effects of the above technical solution have been explained in the method claims, and this vehicle is not described again.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not refer to specific meanings or sequence meanings, and do not limit the present invention, which are only used for distinguishing components or operations described in the same technical terms, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. The intelligent temperature and humidity control method for the greenhouse is characterized by comprising the following steps:
comparing the current indoor and outdoor temperature difference of the target greenhouse with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal;
detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding back the indoor dryness to the preset server terminal;
determining whether an external roller shutter or an air vent needs to be adjusted and whether air needs to be humidified according to the comparison result and the indoor dryness by using the preset server terminal;
when the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, the temperature and the humidity are intelligently adjusted by starting the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device through the preset server terminal.
2. The intelligent greenhouse temperature and humidity control method according to claim 1, wherein the step of comparing the current indoor and outdoor temperature difference with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal comprises the steps of:
detecting the indoor temperature by utilizing a first temperature sensor arranged indoors in the target greenhouse, and detecting the outdoor temperature by utilizing a second temperature sensor arranged outdoors;
correcting the indoor temperature and the outdoor temperature to obtain the processed indoor temperature and the processed outdoor temperature;
calculating the current indoor and outdoor temperature difference of the target greenhouse according to the processed indoor temperature and the outdoor temperature;
connecting the first temperature sensor and the second temperature sensor with a preset server terminal, and comparing the current indoor and outdoor temperature difference with a preset indoor temperature difference after connection to obtain a comparison result;
and uploading the comparison result to the preset server terminal.
3. The intelligent greenhouse temperature and humidity control method according to claim 1, wherein the detecting an indoor humidity of the target greenhouse, calculating an indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding the indoor dryness back to the preset server terminal comprises:
sending a microwave signal to a preset humidity detection plate, and receiving a feedback signal of the humidity detection plate;
evaluating the feedback signal to obtain the indoor humidity of the target greenhouse;
calculating a target indoor dryness index of the target greenhouse according to the indoor humidity and the indoor temperature;
screening a target dryness corresponding to a target indoor dryness index from a preset dryness index table, and determining the target dryness as the indoor dryness of the target greenhouse;
feeding back the target dryness to the preset server terminal;
utilize preset server terminal confirms whether need adjust external book curtain or vent and whether need carry out the humidification to the air according to comparison result and indoor dryness fraction, include:
if the comparison result is that the current indoor and outdoor temperature difference is greater than the preset indoor temperature difference, the ventilation opening is determined to be required to be opened, and if the comparison result is that the current indoor and outdoor temperature difference is less than the preset indoor temperature difference, the external roller shutter is determined to be required to be adjusted;
and if the indoor dryness is less than or equal to the preset dryness, determining that the air does not need to be humidified.
4. The intelligent greenhouse temperature and humidity control method according to claim 1, wherein before the preset server terminal is used to start the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device to intelligently adjust the temperature and humidity when it is determined that the external roller shutter or the vent needs to be adjusted and the air needs to be humidified, the method further comprises:
acquiring control range parameters of a control device of the external roller shutter or the air vent and an air humidifying device;
inputting the control range parameters into a preset control program in the preset server terminal;
and the control device and the air humidifying device which are communicated with the external roller shutter or the ventilation opening are electrically connected with the preset server terminal.
5. The intelligent greenhouse temperature and humidity control method according to claim 1, wherein when it is determined that an external roller shutter or a vent needs to be adjusted and air needs to be humidified, the temperature and humidity are intelligently adjusted by starting a control device of the external roller shutter or the vent and a target greenhouse indoor air humidifying device through the preset server terminal, and the method comprises the following steps:
acquiring the adjusted expected temperature and the adjusted expected humidity;
determining the adjusting height of an external roller shutter or the adjusting width of an air vent and the working time of an air humidifying device according to the expected temperature and the expected humidity and the indoor temperature and the indoor humidity of the target greenhouse;
and the preset server terminal is utilized to start the control device of the external roller shutter or the vent and the target greenhouse indoor air humidifying device to intelligently regulate the temperature and the humidity according to the adjusting height of the external roller shutter or the adjusting width of the vent and the working time of the air humidifying device.
6. The intelligent greenhouse temperature and humidity control method according to claim 1, further comprising:
detecting the indoor illumination intensity and the current people stream density of the target greenhouse;
constructing a comfort evaluation function of the target greenhouse according to the indoor illumination intensity and a preset temperature and humidity evaluation model;
evaluating the target comfort level under the current people stream density according to the comfort level evaluation function;
and adjusting the temperature and the humidity in the target greenhouse according to the target comfort degree adaptability.
7. The intelligent greenhouse temperature and humidity control method according to claim 1, further comprising:
collecting color information and reflection information of a target greenhouse film;
the color information and the reflection information are used as input factors of fuzzy reasoning, and an indoor earth surface temperature change interval, an indoor earth surface humidity change interval, a product temperature change interval and a product humidity change interval of the target greenhouse are used as output factors of the fuzzy reasoning;
constructing a temperature and humidity fuzzy control system of the target greenhouse according to the input phonemes and the output phonemes;
determining the change areas of input factors and output factors in the temperature and humidity fuzzy control system;
assigning a division membership function of the temperature and humidity fuzzy control system according to the change areas of the input factors and the output factors;
creating a temperature and humidity fuzzy control table based on a combination rule of surface parameters and internal parameters of the target greenhouse according to the division membership function;
utilizing the temperature and humidity fuzzy control table to evaluate the qualification of the adjusted indoor temperature and indoor humidity to obtain an evaluation result;
when the evaluation result is qualified, subsequent operation is not needed, and when the evaluation result is unqualified, the indoor temperature and the indoor humidity before adjustment and the indoor temperature and the indoor humidity after adjustment are obtained;
establishing a piecewise nonlinear correction model A according to the indoor temperature before adjustment, the indoor temperature after adjustment and the transition temperature between the indoor temperature and the indoor temperature after adjustment, and establishing a piecewise nonlinear correction model B according to the indoor humidity before adjustment, the indoor humidity after adjustment and the transition temperature between the indoor temperature and the indoor temperature after adjustment;
determining a temperature hysteresis interval of internal parameters of the target greenhouse together according to the indoor ground surface temperature change interval and the product temperature change interval, and determining a humidity hysteresis interval of the internal parameters of the target greenhouse together according to the indoor ground surface humidity change interval and the product humidity change interval;
detecting the current indoor earth surface temperature and indoor earth surface humidity and the current product temperature and product humidity in a target greenhouse, calculating a first critical value corresponding to the current indoor earth surface temperature and the current product temperature according to the current indoor earth surface temperature and the current product temperature, and calculating a second critical value corresponding to the current indoor earth surface humidity and the current product humidity according to the current indoor earth surface humidity and the product humidity;
selecting a temperature reference value corresponding to a first critical value in the temperature hysteresis interval, and selecting a humidity reference value corresponding to a second critical value in the humidity hysteresis interval;
determining a temperature correction factor corresponding to the temperature reference value by using the piecewise nonlinear correction model A, and determining a humidity correction factor corresponding to the humidity reference value by using the piecewise nonlinear correction model B;
correcting the adjusted indoor temperature and indoor humidity by using the temperature correction factor and the humidity correction factor to obtain a correction result;
and readjusting the temperature and the humidity in the target greenhouse by using the preset server terminal according to the correction result.
8. The intelligent greenhouse temperature and humidity control method according to claim 1, further comprising:
detecting the target greenhouse to obtain a detection result;
calculating the current transmittance of the target greenhouse according to the detection result, judging whether the current transmittance is smaller than the preset transmittance or not, and when the current transmittance is larger than or equal to the preset transmittance, performing subsequent operation without;
when the current transmittance is smaller than the preset transmittance, confirming that dust is accumulated on the surface of the target greenhouse film, confirming that the temperature and humidity regulation inside the target greenhouse can be influenced, and sending an alarm prompt;
the calculating the transmittance of the target greenhouse film according to the detection result comprises the following steps:
arranging N detection points in the target greenhouse;
calculating the light transmittance K of the target greenhouse film, as shown in formula (1):
Figure FDA0003072219230000051
wherein N is the number of detection points arranged in the target greenhouse; piThe solar irradiance received by the Nth detection point; siThe distance from the ith detection point to the target greenhouse film is calculated; l is the length of the target greenhouse film; beta is the transmission angle of the target greenhouse film; e is a natural constant, and the value is 2.72; λ is the targetThe material coefficient of the greenhouse film of the greenhouse; zeta is the aging coefficient of the target greenhouse film;
calculating the current transmittance Z of the target greenhouse according to the transmittance K of the target greenhouse film, as shown in a formula (2):
Figure FDA0003072219230000052
wherein R is a solar constant; alpha is the solar altitude; theta is the solar azimuth; psi is a correction factor for the solar azimuth angle; χ is the attenuation coefficient of the radiant energy emitted by the sun; and V is an atmospheric transmittance correction coefficient.
9. The intelligent greenhouse temperature and humidity control method according to claim 1, further comprising:
dividing the greenhouse into a plurality of areas, and determining key environmental parameters of each area based on the target characteristics of each area; the key environmental parameters include: any one or more of air temperature, soil humidity, air humidity, illuminance, wind speed and gas concentration; the target features include: the species of the plant, the current growth period of the plant and the degree of human intervention required;
determining an importance coefficient of the key environment parameter based on the target characteristics, and constructing an initial environment parameter evaluation model of each region based on the key environment parameter and the importance coefficient of each key environment parameter;
acquiring the current damage degree and the residual life of the greenhouse in each area, and correcting the initial environmental parameter evaluation model based on the current damage degree, the rated allowable damage degree and the first ratio of the residual life to the rated life to obtain a corrected environmental parameter evaluation model;
acquiring a key environment parameter set obtained by a plurality of times of detection of the greenhouse in a detection period based on an environment monitoring device;
based on a set of key environment parameters; the corrected environmental parameter evaluation model is used for carrying out quantitative evaluation on the environmental state in each area, and artificial intervention measures are made based on quantitative evaluation results, wherein the artificial intervention measures comprise humidification;
the method further comprises the following steps: in a humidification state, calculating stress parameters of plants in the corresponding region in the humidification state based on parameters of water sprayed by the spraying device and combined with corresponding plant state parameters of the region, acquiring a second ratio of the stress parameters to preset rated stress parameters, and determining humidification reliability based on the second ratio; the parameters of the injected water include: the angle of the sprayed water, the distance between a spray head of the spraying device and the center of the corresponding area, the flow speed of the sprayed water and the water pressure; the plant state parameters comprise the height, the concentration and the area of the plant.
10. An intelligent temperature and humidity control system for a greenhouse, which is suitable for the method as claimed in any one of claims 1 to 9, and is characterized in that the system comprises:
the comparison module is used for comparing the current indoor and outdoor temperature difference of the target greenhouse with a preset indoor temperature difference to obtain a comparison result, and uploading the comparison result to a preset server terminal;
the calculation module is used for detecting the indoor humidity of the target greenhouse, calculating the indoor dryness of the target greenhouse according to the indoor humidity and the indoor temperature, and feeding back the indoor dryness to the preset server terminal;
the confirmation module is used for confirming whether the external roller shutter or the ventilation opening needs to be adjusted and whether the air needs to be humidified or not according to the comparison result and the indoor dryness by utilizing the preset server terminal;
and the control module is used for utilizing the preset server terminal to start a control device of the external roller shutter or the vent and a target greenhouse indoor air humidifying device to intelligently adjust the temperature and the humidity when the external roller shutter or the vent needs to be adjusted and the air needs to be humidified.
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