CN114610101A - Intelligent greenhouse demonstration measurement and control system based on Internet of things technology - Google Patents
Intelligent greenhouse demonstration measurement and control system based on Internet of things technology Download PDFInfo
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- CN114610101A CN114610101A CN202210226163.6A CN202210226163A CN114610101A CN 114610101 A CN114610101 A CN 114610101A CN 202210226163 A CN202210226163 A CN 202210226163A CN 114610101 A CN114610101 A CN 114610101A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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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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- 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
- A01G9/247—Watering arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses an intelligent greenhouse demonstration measurement and control system based on the technology of Internet of things, which comprises a data acquisition module, a data analysis module and an intelligent control module, the data acquisition module is used for acquiring environmental information of the position of the greenhouse and basic preset data of a green plant area in the greenhouse, the data analysis module is used for analyzing the water flow and the spraying offset angle of the watering spray head in the greenhouse, the intelligent control module is used for controlling and adjusting the spraying angle value and the water flow of the watering spray head according to the analysis result, the data acquisition module and the intelligent control module are connected with the data analysis module through a network, the data acquisition module comprises a wind direction acquisition module, a wind speed acquisition module, a wind direction parameter database module and a basic preset data acquisition module, the wind direction acquisition module is used for acquiring real-time wind direction information of the position of the greenhouse, and the greenhouse has the characteristics of strong practicability and balanced irrigation area.
Description
Technical Field
The invention relates to the technical field of measurement and control, in particular to an intelligent greenhouse demonstration measurement and control system based on the technology of the Internet of things.
Background
The internet of things is that any object or process needing monitoring, connection and interaction is collected in real time through various devices and technologies such as various information sensors, radio frequency identification technologies, global positioning systems, infrared sensors, laser scanners and the like, various required information such as sound, light, heat, electricity, mechanics, chemistry, biology, positions and the like is collected, ubiquitous connection of objects and objects, and ubiquitous connection of objects and people are realized through various possible network accesses, and intelligent sensing, identification and management of the objects and the processes are realized. The greenhouse is an infrastructure for realizing facility agriculture and industrial agriculture, and is a basic facility for manually adjusting the growth environment of crops. The greenhouse can create the optimal growth conditions for crops for a long time, avoid the influence of the outside severe climate, and achieve the purposes of adjusting the crop production period, promoting the growth and development of the crops, preventing and treating plant diseases and insect pests, improving the yield and the quality and the like.
In the process of using the greenhouse, the ventilation opening is necessary, namely, the ventilation opening is used for removing moisture and supplementing carbon dioxide; the second is to make the condition of the environment for inhibiting the growth of germs. Its main form divide into natural formula vent and motor formula vent, and natural formula vent has brief, energy-conserving advantage compared with motor formula vent, but current warmhouse booth natural vent is compared in motor formula vent, owing to receive the influence of natural wind direction and wind speed, and the regional moisture of green planting that is blown by wind is evaporated more easily, and the angle of spraying of watering shower nozzle also receives the influence, and this will cause the green planting watering volume of leeward direction to be less than the green planting of leeward direction, and this is unfavorable to the growth of green planting. Especially green plants newly planted are fragile in vitality, and water is accumulated for a long time due to excessive irrigation, so that oxygen is lacked in soil, partial fibrous roots are rotted, and the water and fertilizer absorption capacity is weakened to die; if the irrigation amount is too small, the water evaporation rate of the leaves is larger than the water absorption rate, so that the leaves die due to insufficient water supply. Therefore, it is necessary to design an intelligent greenhouse demonstration measurement and control system based on the internet of things technology, which has strong practicability and irrigation area balance.
Disclosure of Invention
The invention aims to provide an intelligent greenhouse demonstration measurement and control system based on the technology of the Internet of things, and aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: intelligent greenhouse demonstration measurement and control system based on internet of things technology includes data acquisition module, data analysis module and intelligent control module, its characterized in that: the intelligent greenhouse watering system comprises a data acquisition module, a data analysis module, an intelligent control module and a data analysis module, wherein the data acquisition module is used for acquiring position environment information of a greenhouse and basic preset data of a green plant area in the greenhouse, the data analysis module is used for analyzing water flow and a spraying offset angle of a watering spray head in the greenhouse, the intelligent control module is used for controlling and adjusting a spraying angle value and water flow of the watering spray head according to an analysis result, and the data acquisition module and the intelligent control module are both connected with the data analysis module through a network.
According to the technical scheme, the data acquisition module comprises a wind direction acquisition module, a wind speed acquisition module, a wind direction parameter database module and a basic preset data acquisition module, the wind direction acquisition module is used for acquiring real-time wind direction information of the position of the greenhouse, the wind speed acquisition module is used for acquiring real-time wind speed data of a natural ventilation opening, the wind direction parameter database is used for storing wind direction angles to influence control quantity on opening and closing of a watering nozzle in the current greenhouse, the basic preset data acquisition module is used for acquiring preset watering time and watering demand of green plants in the greenhouse, and the wind direction acquisition module and the wind speed acquisition module are both in network connection with the wind direction parameter control data module.
According to the technical scheme, the data analysis module comprises a water quantity analysis module and an angle analysis module, the water quantity analysis module is used for judging the size of the influenced water quantity according to the wind speed value, and the angle analysis module is used for analyzing and calculating the offset angle of the watering spray head according to the real-time wind speed value and the water flow data of the marked watering spray head.
According to the technical scheme, the intelligent control module comprises a wireless starting module, a water flow control module and an angle control module, the wireless starting module is used for controlling the starting and the closing of the water spraying device in the greenhouse, the water flow control module is used for controlling the water flow of the water spraying device, and the angle control module is used for controlling the spray head angle of the water spraying device.
According to the technical scheme, the operation method of the data acquisition module mainly comprises the following steps:
step S1: installing a monitoring instrument at the top of the greenhouse, and monitoring the environmental information of the greenhouse in real time;
step S2: the wind direction acquisition module and the wind speed acquisition module are integrated in the monitoring instrument and respectively acquire a wind direction angle value and a wind speed value of the environment where the greenhouse is located;
step S3: the obtained wind direction angle value is transmitted to a wind direction parameter database module in real time, and the wind direction parameter database module matches and outputs a corresponding watering spray head serial number value according to the obtained wind direction angle value;
step S4: after the wind direction angle value, the wind speed value and the watering spray head serial number value are obtained in an integrated mode, the data acquisition module transmits the data network signals to the data analysis module, and data acquisition is completed.
According to the technical scheme, the operation method of the data analysis module mainly comprises the following steps:
step A1: continuously acquiring collected data, and when reaching the green plant watering time preset in the greenhouse, preferentially starting the water yield analysis module;
step A2: after the water quantity analysis module is started, the angle analysis module is started after the actual water flow quantity of the watering spray heads marked by the greenhouse is analyzed and calculated.
According to the above technical solution, the step a1 further includes:
step A11: calculating and calculating the average wind speed value during the green plant irrigation period
Acquiring the current irrigation demand of green plants in the greenhouse;
step A12: marking the watering spray head corresponding to the obtained watering spray head serial number value;
step A13: the water yield analysis module is used for analyzing the water yield according to the preset irrigation demand of green plants in the greenhouse and the average wind speed value during the irrigation period
The actual water flow rate of the marked watering spray heads is calculated by starting analysis through a formula.
According to the above technical solution, the step a2 further includes:
step A21: acquiring a real-time wind direction angle value of the position of the greenhouse and the watering water flow of a green plant area of a watering spray head to be marked;
step A22: the angle analysis module starts to analyze and calculate the adjustment angle value R of the marked watering spray head through a formula according to the wind speed value v of the actual environment of the greenhouse and the actual water flow q of the watering spray head;
step A23: and after the adjustment angle is calculated, judging the deflection direction of the watering spray head angle according to the real-time wind direction angle value of the ventilation opening of the greenhouse.
According to the technical scheme, in the step A13, the actual water flow calculation formula of the marked watering spray head of the greenhouse is as follows:
wherein q is the actual water flow of the marked watering spray head of the greenhouse; w is a preset basic irrigation demand of green plants in the greenhouse;
the average wind speed value of the position of the ventilation opening during the irrigation period of the greenhouse is obtained; k is a control parameter which changes under the influence of basic irrigation demand; in the formula, the actual water flow of the watering spray head marked on the greenhouse is the product of the preset basic watering demand of green plants in the greenhouse and the average wind speed value of the position of a vent during the watering period of the greenhouse;
in the formula, as the wind speed of the ventilation opening of the greenhouse is faster, the water in the green planting area along the wind direction is faster to evaporate, the water demand is more compared with that of green planting in other areas, and the influence of the wind speed on the water flow in a straight line is known;
in the step a22, the calculation formula of the adjustment angle value of the marked watering spray head of the greenhouse is as follows:
wherein R is the adjusting angle value of the watering spray head marked on the greenhouse; v is a real-time wind speed value of the position of the ventilation opening during the irrigation period of the greenhouse; q is the actual water flow of the marked watering spray head of the greenhouse;
the control parameters are under the combined action of the real-time wind speed value and the actual water flow; in the formula, the adjustment angle value of the watering spray head marked on the greenhouse is the product of the real-time wind speed value of the position of the vent and the control parameter during the watering period of the greenhouse, and is divided by the actual water flow of the watering spray head marked on the greenhouse;
in the formula, as the wind direction angle of the ventilation opening of the greenhouse changes, the affected green planting area also changes, so the angle of the watering spray head also needs to be controlled, and the faster the real-time wind speed is, the smaller the water flow is, and the greater the influence on the angle of the spray head is; the slower the real-time wind speed is, the larger the water flow is, and the smaller the influence on the angle of the spray head is.
According to the technical scheme, the operation method of the intelligent control module mainly comprises the following steps:
step B1: installing intelligent control systems on all watering nozzles in the greenhouse and connecting the intelligent control systems with a data acquisition and data analysis module through a network;
step B2: the wireless starting module immediately starts the marked watering spray head after receiving the marked watering spray head serial number value information;
step B3: after the water quantity analysis module analyzes the watering quantity of the marked watering spray head to be adjusted through the wind speed value, the water quantity control module adjusts the water flow quantity according to the result calculated through analysis;
step B4: after the angle analysis module calculates the angle value of the watering spray head to be adjusted, the deflection direction of the spray head is judged according to the wind direction angle.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the data acquisition module, the data analysis module and the intelligent control module are arranged, so that the wind speed value of the environment where the greenhouse is located, the wind direction angle value and the preset irrigation time and irrigation demand of the green plant area in the greenhouse can be monitored in real time, meanwhile, the green plant area influenced by the ventilation opening and accelerating evaporation in the greenhouse can be intelligently analyzed and judged, a corresponding strategy is timely made, the actually required water flow is obtained through the average wind speed value during the irrigation period, and the deflection angle of the watering spray head is obtained through the water flow and the real-time wind speed value, so that the phenomenon that the green plants in a part of areas die due to insufficient supply of water due to too fast evaporation is avoided, and the functions of balanced planting yield, higher yield and better quality of the watering areas are realized.
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. In the drawings:
FIG. 1 is a schematic diagram of the system module composition of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an intelligent greenhouse demonstration measurement and control system based on the Internet of things technology comprises a data acquisition module, a data analysis module and an intelligent control module, wherein the data acquisition module is used for acquiring position environment information of a greenhouse and basic preset data of green planting areas in the greenhouse, the data analysis module is used for analyzing water flow and spraying offset angles of watering nozzles in the greenhouse, the intelligent control module is used for controlling and adjusting the spraying angle values and the water flow of the watering nozzles according to analysis results, the data acquisition module and the intelligent control module are connected with the data analysis module through a network, the data analysis module and the intelligent control module are arranged, the wind speed value of the environment of the greenhouse, the wind direction angle value and the preset watering time and watering demand of the green planting areas in the greenhouse can be monitored in real time, and meanwhile the influence of ventilation openings can be intelligently analyzed and judged, the green planting area which is inside the greenhouse and accelerates evaporation is timely provided with a corresponding strategy, the actually required water flow is obtained through the average wind speed value during the irrigation period, and the deflection angle of the watering spray head is obtained through the water flow and the real-time wind speed value, so that the phenomenon that partial green plants die due to insufficient water supply due to too fast evaporation is avoided, and the function of balanced planting in the watering area, higher yield and better quality are realized.
The data acquisition module comprises a wind direction acquisition module, a wind speed acquisition module, a wind direction parameter database module and a basic preset data acquisition module, the wind direction acquisition module is used for acquiring real-time wind direction information of the position of the greenhouse, the wind speed acquisition module is used for acquiring real-time wind speed data of a natural ventilation opening, the wind direction parameter database is used for storing wind direction angles to control the opening and closing influence of watering nozzles in the greenhouse at present, so that certain control adjustment is performed on the nozzle angles and the water spraying quantity of the part of area, the basic preset data acquisition module is used for acquiring preset watering time and watering demand of green plants in the greenhouse, so that the influence degree of the part of area is judged and analyzed, and the wind direction acquisition module and the wind speed acquisition module are both in network connection with the wind direction parameter control data module.
The data analysis module comprises a water quantity analysis module and an angle analysis module, the water quantity analysis module is used for judging the size of the influenced water quantity according to the wind speed value so as to calculate the actual water flow demand of the influenced green plant area, the angle analysis module is used for analyzing and calculating the offset angle of the watering spray head according to the real-time wind speed value and the water flow data of the marked watering spray head, and then the offset direction of the watering spray head is judged according to the real-time wind direction angle value.
The intelligent control module comprises a wireless starting module, a water quantity control module and an angle control module, the wireless starting module is used for controlling the starting and the closing of the water spraying device in the greenhouse, the water quantity control module is used for controlling the water flow of the water spraying device, and the angle control module is used for controlling the spray head angle of the water spraying device, so that the purpose of automatically adjusting the water flow of the watering spray head, the deflection angle and the direction is achieved, the labor force is saved, the adjustment is more accurate than the manual judgment, and the practicability is higher.
The operation method of the data acquisition module mainly comprises the following steps:
step S1: installing a monitoring instrument at the top of the greenhouse, and monitoring the environmental information of the greenhouse in real time;
step S2: the wind direction acquisition module and the wind speed acquisition module are integrated in the monitoring instrument and respectively acquire a wind direction angle value and a wind speed value of the environment where the greenhouse is located;
step S3: the obtained wind direction angle value is transmitted to a wind direction parameter database module in real time, the wind direction parameter database module matches and outputs a corresponding watering spray head serial number value according to the obtained wind direction angle value, so that a green plant area influenced by a vent is judged, the water flow and the watering spray head angle of the green plant area are calculated, and the effect of balancing the watering area is realized;
step S4: after the wind direction angle value, the wind speed value and the watering spray head serial number value are obtained in an integrated mode, the data acquisition module transmits the data network signals to the data analysis module, and data acquisition is completed.
The operation method of the data analysis module mainly comprises the following steps:
step A1: continuously acquiring acquired data, and when the preset green plant watering time of the greenhouse is reached, preferentially starting the water quantity analysis module, wherein the actual water flow of the affected green plant area can be corresponded according to the average wind speed value during the preset watering period in the greenhouse and the basic watering quantity, so that the effect of overall balancing the watering quantity is achieved;
step A2: after the water quantity analysis module is started, after the actual water flow of the watering nozzles marked on the greenhouse is analyzed and calculated, the angle analysis module is started, and the deflection direction of the watering nozzle angle of the affected area can be corresponded according to the actual water flow and the real-time air speed value, so that the effect of overall balance of the watering area is achieved.
Step a1 further includes:
step A11: calculating and calculating the average wind speed value during the green plant irrigation period
Acquiring the current irrigation demand of green plants in the greenhouse;
step A12: marking the watering spray head corresponding to the obtained watering spray head serial number value;
step A13: the water yield analysis module is used for analyzing the water yield according to the preset irrigation demand of green plants in the greenhouse and the average wind speed value during the irrigation period
The actual water flow of the marked watering spray head is analyzed and calculated through a formula, in the process that green plants are blown at a ventilation opening, moisture in a green plant area blown to the green plant area along the wind direction is easier to evaporate, the requirement is that the watering amount required by the affected green plant area is more, and the ventilation opening cannot always have the same wind speed before the green plant area reaches the preset watering time, so the actual water flow of the area is calculated by taking the average value of the wind speed during the watering period, and the larger the average wind speed is, the larger the water flow is.
Step a2 further includes:
step A21: acquiring a real-time wind direction angle value of the position of the greenhouse and the watering water flow of a green plant area of a watering spray head to be marked;
step A22: the angle analysis module starts to analyze and calculate the adjustment angle value R of the marked watering spray head through a formula according to the wind speed value v of the actual environment of the greenhouse and the actual water flow q of the watering spray head;
step A23: after the adjustment angle is calculated, the deflection direction of the watering spray head angle is judged according to the real-time wind direction angle value of the ventilation opening of the greenhouse, the affected green plant area is changed due to the difference of the wind direction angle value of the ventilation opening, the spraying angle of the watering spray head in the area is also affected, the watering amount of the green plants in the downwind direction is larger than that of the green plants in the leeward direction, the angle is affected by the real-time wind speed and the actual water flow, more accurate spray head angles are obtained through calculation, and the deflection direction of the spray head is determined according to the current wind direction angle value.
In step A13, the calculation formula of the actual water flow of the marked watering spray head of the greenhouse is as follows:
wherein q is the actual water flow of the marked watering spray head of the greenhouse; w is a preset basic irrigation demand of green plants in the greenhouse;
the average wind speed value of the position of the ventilation opening during the irrigation period of the greenhouse is obtained; k is a control parameter which changes under the influence of basic irrigation demand; in the formula, the actual water flow of the watering spray head marked on the greenhouse is the product of the preset basic watering demand of green plants in the greenhouse and the average wind speed value of the position of a vent during the watering period of the greenhouse;
in the formula, as the wind speed of the ventilation opening of the greenhouse is faster, the water in the green planting area along the wind direction is faster to evaporate, the water demand is more compared with that of green planting in other areas, and the influence of the wind speed on the water flow in a straight line is known;
in step A22, the calculation formula of the adjustment angle value of the marked watering spray head of the greenhouse is as follows:
wherein R is the adjusting angle value of the watering spray head marked on the greenhouse; v is a real-time wind speed value of the position of the ventilation opening during the irrigation period of the greenhouse; q is the actual water flow of the marked watering spray head of the greenhouse;
the control parameters are under the combined action of the real-time wind speed value and the actual water flow; in the formula, the adjustment angle value of the watering spray head marked on the greenhouse is the product of the real-time wind speed value of the position of the vent and the control parameter during the watering period of the greenhouse, and is divided by the actual water flow of the watering spray head marked on the greenhouse;
in the formula, as the wind direction angle of the ventilation opening of the greenhouse changes, the affected green planting area also changes, so the angle of the watering spray head also needs to be controlled, and the faster the real-time wind speed is, the smaller the water flow is, and the greater the influence on the angle of the spray head is; the slower the real-time wind speed is, the larger the water flow is, the smaller the influence on the angle of the spray head is, the longer the influence is, the more the watering amount is, the longer the water accumulation of the green plants is, the lack of oxygen in the soil and the decay of fibrous roots are avoided, so that the situation that the water absorption capacity and the fertilizer absorption capacity are weakened to die or the watering amount is too small, the water evaporation of the blades is larger than the absorption capacity, and the water supply is insufficient to die is avoided, and the production efficiency of the greenhouse is improved.
The operation method of the intelligent control module mainly comprises the following steps:
step B1: installing intelligent control systems on all watering spray heads in the greenhouse and connecting the intelligent control systems with a data acquisition and data analysis module through a network;
step B2: the wireless starting module immediately starts the marked watering spray head after receiving the marked watering spray head serial number value information;
step B3: after the water quantity analysis module analyzes the watering quantity of the marked watering spray head to be adjusted through the wind speed value, the water quantity control module adjusts the water flow quantity according to the result calculated through analysis;
step B4: after the angle analysis module calculates the angle value of the watering spray head to be adjusted, the deflection direction of the spray head is judged according to the wind direction angle, the deflection angle has two directions, so that the calculated difference between the spray head adjustment angle value and the wind direction angle value is calculated to obtain an absolute value, the angle control module controls the spray head to deflect to the side with a larger difference value, if the direction of the spray head is overlapped with the wind direction, the spray head in the downwind direction is pressed for adjusting the angle value, and the spray head in the upwind direction is lifted for adjusting the angle value.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Intelligent greenhouse demonstration measurement and control system based on internet of things technology includes data acquisition module, data analysis module and intelligent control module, its characterized in that: the intelligent greenhouse watering system comprises a data acquisition module, a data analysis module, an intelligent control module and a data analysis module, wherein the data acquisition module is used for acquiring position environment information of a greenhouse and basic preset data of a green plant area in the greenhouse, the data analysis module is used for analyzing water flow and a spraying offset angle of a watering spray head in the greenhouse, the intelligent control module is used for controlling and adjusting a spraying angle value and water flow of the watering spray head according to an analysis result, and the data acquisition module and the intelligent control module are both connected with the data analysis module through a network.
2. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 1, wherein: the data acquisition module comprises a wind direction acquisition module, a wind speed acquisition module, a wind direction parameter database module and a basic preset data acquisition module, wherein the wind direction acquisition module is used for acquiring real-time wind direction information of the position of the greenhouse, the wind speed acquisition module is used for acquiring real-time wind speed data of a natural ventilation opening, the wind direction parameter database is used for storing wind direction angles to control the opening and closing influence control quantity of a watering spray head in the current greenhouse, the basic preset data acquisition module is used for acquiring preset watering time and watering demand of green plants in the greenhouse, and the wind direction acquisition module and the wind speed acquisition module are connected with the wind direction parameter control data module through a network.
3. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 2, wherein: the data analysis module comprises a water quantity analysis module and an angle analysis module, the water quantity analysis module is used for judging the size of the influenced water quantity according to the wind speed value, and the angle analysis module is used for analyzing and calculating the offset angle of the watering spray head according to the real-time wind speed value and the water flow data of the marked watering spray head.
4. The intelligent greenhouse demonstration measurement and control system based on the technology of the internet of things as claimed in claim 3, wherein: the intelligent control module comprises a wireless starting module, a water flow control module and an angle control module, wherein the wireless starting module is used for controlling the starting and the closing of the water spraying device in the greenhouse, the water flow control module is used for controlling the water flow of the water spraying device, and the angle control module is used for controlling the spray head angle of the water spraying device.
5. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 4, wherein: the operation method of the data acquisition module mainly comprises the following steps:
step S1: installing a monitoring instrument at the top of the greenhouse, and monitoring the environmental information of the greenhouse in real time;
step S2: the wind direction acquisition module and the wind speed acquisition module are integrated in the monitoring instrument and respectively acquire a wind direction angle value and a wind speed value of the environment where the greenhouse is located;
step S3: the obtained wind direction angle value is transmitted to a wind direction parameter database module in real time, and the wind direction parameter database module matches and outputs a corresponding watering spray head serial number value according to the obtained wind direction angle value;
step S4: after the wind direction angle value, the wind speed value and the watering spray head serial number value are obtained in an integrated mode, the data acquisition module transmits the data network signals to the data analysis module, and data acquisition is completed.
6. The intelligent greenhouse demonstration measurement and control system based on the technology of the internet of things according to claim 5, characterized in that: the operation method of the data analysis module mainly comprises the following steps:
step A1: continuously acquiring collected data, and when reaching the green plant watering time preset in the greenhouse, preferentially starting the water yield analysis module;
step A2: after the water quantity analysis module is started, the angle analysis module is started after the actual water flow quantity of the watering spray heads marked by the greenhouse is analyzed and calculated.
7. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 6, wherein: the step A1 further comprises the following steps:
step A11: calculating and calculating the average wind speed value during the green plant irrigation period
Acquiring the current irrigation demand of green plants in the greenhouse;
step A12: marking the watering spray head corresponding to the obtained watering spray head serial number value;
step A13: the water yield analysis module is used for analyzing the water yield according to the preset irrigation demand of green plants in the greenhouse and the average wind speed value during the irrigation period
The actual water flow rate of the marked watering spray heads is calculated by starting analysis through a formula.
8. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 7, wherein: the step A2 further comprises the following steps:
step A21: acquiring a real-time wind direction angle value of the position of the greenhouse and the watering water flow of a green plant area of a watering spray head to be marked;
step A22: the angle analysis module starts to analyze and calculate the adjustment angle value R of the marked watering spray head through a formula according to the wind speed value v of the actual environment of the greenhouse and the actual water flow q of the watering spray head;
step A23: and after the adjustment angle is calculated, judging the deflection direction of the watering spray head angle according to the real-time wind direction angle value of the ventilation opening of the greenhouse.
9. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 8, wherein: in the step a13, the actual water flow calculation formula of the labeled watering spray head of the greenhouse is as follows:
wherein q is the actual water flow of the marked watering spray head of the greenhouse; w is a preset basic irrigation demand of green plants in the greenhouse;
the average wind speed value of the position of the ventilation opening during the irrigation period of the greenhouse is obtained; k is a control parameter which changes under the influence of basic irrigation demand; in the formula, the actual water flow of the watering spray head marked on the greenhouse is the product of the preset basic watering demand of green plants in the greenhouse and the average wind speed value of the position of a vent during the watering period of the greenhouse;
in the formula, as the wind speed of the ventilation opening of the greenhouse is faster, the water in the green planting area along the wind direction is faster to evaporate, the water demand is more compared with that of green planting in other areas, and the influence of the wind speed on the water flow in a straight line is known;
in the step a22, the calculation formula of the adjustment angle value of the marked watering spray head of the greenhouse is as follows:
wherein R is the adjusting angle value of the watering spray head marked on the greenhouse; v is a real-time wind speed value of the position of the ventilation opening during the irrigation period of the greenhouse; q is the actual water flow of the marked watering spray heads of the greenhouse;
the control parameters are under the combined action of the real-time wind speed value and the actual water flow; in the formula, the adjustment angle value of the watering spray head marked on the greenhouse is the product of the real-time wind speed value of the position of the vent and the control parameter during the watering period of the greenhouse, and is divided by the actual water flow of the watering spray head marked on the greenhouse;
in the formula, as the wind direction angle of the ventilation opening of the greenhouse changes, the affected green planting area also changes, so the angle of the watering spray head also needs to be controlled, and the faster the real-time wind speed is, the smaller the water flow is, and the greater the influence on the angle of the spray head is; the slower the real-time wind speed is, the larger the water flow is, and the smaller the influence on the angle of the spray head is.
10. The intelligent greenhouse demonstration measurement and control system based on the internet of things technology as claimed in claim 9, wherein: the operation method of the intelligent control module mainly comprises the following steps:
step B1: installing intelligent control systems on all watering nozzles in the greenhouse and connecting the intelligent control systems with a data acquisition and data analysis module through a network;
step B2: the wireless starting module immediately starts the marked watering spray head after receiving the marked watering spray head serial number value information;
step B3: after the water quantity analysis module analyzes the watering quantity of the marked watering spray head to be adjusted through the wind speed value, the water quantity control module adjusts the water flow quantity according to the result calculated through analysis;
step B4: after the angle analysis module calculates the angle value of the watering spray head to be adjusted, the deflection direction of the spray head is judged according to the wind direction angle.
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