CN114158336A - Water and fertilizer integrated optimization control system and method - Google Patents
Water and fertilizer integrated optimization control system and method Download PDFInfo
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- CN114158336A CN114158336A CN202111394274.XA CN202111394274A CN114158336A CN 114158336 A CN114158336 A CN 114158336A CN 202111394274 A CN202111394274 A CN 202111394274A CN 114158336 A CN114158336 A CN 114158336A
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 184
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005457 optimization Methods 0.000 title claims abstract description 33
- 238000003973 irrigation Methods 0.000 claims abstract description 98
- 230000002262 irrigation Effects 0.000 claims abstract description 98
- 239000002689 soil Substances 0.000 claims abstract description 72
- 230000012010 growth Effects 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 31
- 241000196324 Embryophyta Species 0.000 claims description 115
- 230000004720 fertilization Effects 0.000 claims description 52
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 28
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052698 phosphorus Inorganic materials 0.000 claims description 17
- 239000011574 phosphorus Substances 0.000 claims description 17
- 235000013399 edible fruits Nutrition 0.000 claims description 16
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 239000011591 potassium Substances 0.000 claims description 14
- 229910052700 potassium Inorganic materials 0.000 claims description 14
- 235000013619 trace mineral Nutrition 0.000 claims description 14
- 239000011573 trace mineral Substances 0.000 claims description 14
- 239000003086 colorant Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 6
- 238000009472 formulation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 210000003608 fece Anatomy 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000010871 livestock manure Substances 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 3
- 230000001575 pathological effect Effects 0.000 claims description 2
- 208000024891 symptom Diseases 0.000 claims description 2
- 241000227653 Lycopersicon Species 0.000 description 5
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 5
- 230000035784 germination Effects 0.000 description 5
- 230000008635 plant growth Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 3
- 231100000915 pathological change Toxicity 0.000 description 3
- 230000036285 pathological change Effects 0.000 description 3
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- 230000004345 fruit ripening Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/042—Adding fertiliser to watering systems
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/007—Metering or regulating systems
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
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Abstract
The invention discloses a water and fertilizer integrated optimization control system and a method, wherein the control system comprises a monitoring module, a sensor module, a wireless acquisition gateway and a water and fertilizer control module; the monitoring module shoots pictures of plants in the greenhouse and processes the pictures to obtain growth information of the plants; the sensor module collects soil data in the greenhouse and processes the soil data to obtain the condition of the soil in the greenhouse; the wireless acquisition gateway is respectively connected with the monitoring module, the sensor module and the water and fertilizer control module, and sends the growth information of the plants and the condition of the soil in the greenhouse to the water and fertilizer control module; and the water and fertilizer control module automatically generates a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control. The invention can dynamically monitor the growth process of the plant, and make a corresponding strategy in time to keep the plant growing in the most suitable environment.
Description
Technical Field
The invention belongs to the technical field of plant greenhouse control, and particularly relates to a water and fertilizer integrated optimization control system and method.
Background
China generates a large number of crops, the water and fertilizer consumption is huge, however, the water utilization rate of traditional natural irrigation is only about 40%, a large amount of unused water takes away applied fertilizer, resources and energy are seriously wasted, and pollution to agricultural ecological environment is also caused. Therefore, an accurate and scientific water and fertilizer integrated irrigation system is urgently needed, and the uniform and proper control and supply of water and nutrients required by crops are really realized in the formulation of irrigation and fertilization strategies.
The existing water and fertilizer integrated optimization control system has the following defects. Firstly, the labor cost is high, the labor experience is excessively relied on when the water consumption and the fertilizer application amount are customized, the scientific basis is lacked, and the system is lacked in the remote control capability. Secondly, the automatic regulation capability is insufficient, and the water-fertilizer irrigation strategy cannot be updated in time according to the characteristics of plants, the growth cycle of the plants and the current situation of soil. Thirdly, the economic benefit is low, and the difference of the demands of different plants and different growth periods of a certain plant on nitrogen, phosphorus, potassium, trace elements and water is not considered, so that the fertilization strategy is single and unchanged, the plant growth is not facilitated, the plant growth quality and the crop yield are influenced, the waste of fertilizer and water resources is caused, even underground water pollution is caused, and the environmental protection is not facilitated. Fourthly, the safety is insufficient, the reasonability judgment of the water and fertilizer irrigation strategy generated automatically is lacked, and the hidden danger exists for the normal growth of the plants.
Disclosure of Invention
Aiming at the problems, the invention provides a water and fertilizer integrated optimization control system and method, which can dynamically monitor the growth process of plants, make corresponding strategies in time and keep the plants growing in the most suitable environment.
In order to achieve the technical purpose and achieve the technical effects, the invention is realized by the following technical scheme:
in a first aspect, the present invention provides a water and fertilizer integrated optimization control system, including: the system comprises a monitoring module, a sensor module, a wireless acquisition gateway and a water and fertilizer control module;
the monitoring module shoots pictures of plants in the greenhouse and processes the pictures to obtain growth information of the plants;
the sensor module collects soil data in the greenhouse and processes the soil data to obtain the condition of the soil in the greenhouse;
the wireless acquisition gateway is respectively connected with the monitoring module, the sensor module and the water and fertilizer control module, and sends the growth information of the plants and the condition of the soil in the greenhouse to the water and fertilizer control module;
and the water and fertilizer control module automatically generates a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control.
Optionally, the liquid manure control module includes: the water and fertilizer control unit is connected with the plant fertilization model library, the water irrigation controller and the fertilization controller;
the plant fertilization model library stores the demand of nitrogen, phosphorus, potassium, trace elements and water required by different plants, different varieties and plants at each stage;
the water and fertilizer control unit receives data of the monitoring module and the sensor module, performs data matching with the plant fertilization model library, acquires the required amount of nitrogen, phosphorus, potassium, trace elements and water at the current stage, and further generates a primary water-fertilizer irrigation strategy;
the water irrigation controller controls the water quantity electromagnetic valve to irrigate according to a water irrigation strategy;
and the fertilization controller controls the respective electromagnetic valves of nitrogen, phosphorus, potassium and trace elements to fertilize according to a fertilizer quantity irrigation strategy.
Optionally, the water-fertilizer irrigation strategy comprises a water irrigation strategy and/or a fertilization strategy;
when the water-fertilizer irrigation strategy is simultaneously the water irrigation strategy and the fertilization strategy, the water irrigation strategy is executed firstly, and then the fertilization strategy is executed.
Optionally, the water and fertilizer control module further comprises a touch display unit, and the touch display unit is connected with the water and fertilizer control unit and can be used for an administrator to manually input the type and the growth stage of the plant.
Optionally, the monitoring module comprises a multipoint-controlled high-definition monitor and an image processing unit.
The high-definition monitor is used for shooting pictures of plants in the greenhouse at multiple angles and transmitting the pictures to the image processing unit;
the image processing unit controls the high-definition monitor to shoot images according to shooting frequency set by a user or system default frequency to obtain plant pictures, processes the plant pictures to obtain a characteristic value of each picture, and synthesizes the characteristic values of a plurality of pictures to obtain the types, the growth stages, the colors and the states of plant leaves, the average number of flowers, the colors and the sizes of fruits of the plants and elements which are lacked when the leaves, the flowers and the fruits present pathological symptoms;
the image processing unit needs to record the result of the last plant characteristic, and if the result is not changed, the result is not reported to the water and fertilizer control module.
Optionally, the sensor module comprises a multipoint controlled soil sensor and a soil monitoring unit;
the soil sensor obtains the pH value, the moisture content and the conductivity of soil in the plant greenhouse, and provides original data for formulation of a water-fertilizer irrigation strategy;
the soil monitoring unit processes data uploaded by the soil sensors, processes the data and obtains the condition of the soil in the greenhouse.
Optionally, the water and fertilizer integrated optimization control system further comprises a cloud platform and a mobile control device; the water and fertilizer control module also comprises a wireless gateway;
the cloud platform is connected with a wireless gateway in the water and fertilizer control module and provides computing, network and storage services;
the mobile control equipment is connected with the cloud platform and is used for a manager to remotely check the growth information of the plants and the condition of the soil in the greenhouse; auditing a water-fertilizer irrigation strategy automatically generated by the water-fertilizer control module, and newly adding or modifying the water-fertilizer irrigation strategy; checking and receiving warning information and a report after each water-fertilizer irrigation strategy is executed; and updating the data of the plant fertilization model library in the water and fertilizer control module.
In a second aspect, the invention provides a water and fertilizer integrated optimization control method, which comprises the following steps:
shooting pictures of plants in the greenhouse by using a monitoring module, and processing the pictures to obtain growth information of the plants;
collecting soil data in the greenhouse by using a sensor module, and processing the soil data to obtain the condition of the soil in the greenhouse;
sending the growth information of the plants and the condition of the soil in the greenhouse to a water and fertilizer control module by using a wireless acquisition gateway;
and the water and fertilizer control module is used for automatically generating a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control.
Optionally, the automatically generated conditions of the water-fertilizer irrigation strategy may further comprise one or more of the following conditions:
when the soil moisture is lower than a threshold value, generating a new water-fertilizer irrigation strategy, and when the soil moisture is higher than the threshold value, terminating the current water-fertilizer irrigation strategy;
when the effective duration time of the last fertilization is up;
updating plant information;
adding water-fertilizer irrigation strategy by an administrator.
Optionally, the method further comprises:
the cloud platform is connected with the wireless gateway in the water and fertilizer control module to provide computing, network and storage services
The method comprises the following steps that a mobile control device is connected with a cloud platform, and the mobile control device is used for a manager to remotely check growth information of plants and conditions of soil in a greenhouse; auditing a water-fertilizer irrigation strategy automatically generated by the water-fertilizer control module, and newly adding or modifying the water-fertilizer irrigation strategy; checking and receiving warning information and a report after each water-fertilizer irrigation strategy is executed; and updating the data of the plant fertilization model library in the water and fertilizer control module.
Compared with the prior art, the invention has the beneficial effects that:
the plant greenhouse has the advantages that monitoring modules (such as high-definition monitors) are installed at different positions and different angles of the plant greenhouse, all-dimensional image acquisition is carried out on plants in the greenhouse, and the types, the growth stages, the colors and the states of plant leaves, the average number of flowers, the colors and the sizes of fruits, elements lacking when the leaves, the flowers and the fruits present pathological changes and the like are obtained through image processing; the method comprises the steps of obtaining the PH value, the moisture content and the conductivity of soil, and the temperature, the humidity and the CO2 concentration of air in a greenhouse by installing sensor modules (such as a soil sensor and an environment monitoring sensor) at multiple points of the plant greenhouse. The plant species, the growth stage, the soil pH value, the water content, the conductivity, the air temperature and humidity in the greenhouse and the CO2 concentration are transmitted to a water-fertilizer control unit for processing, a primary water-fertilizer irrigation strategy is generated, and the plant growth is kept in the optimum environment.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a water and fertilizer integrated optimization control system according to an embodiment of the invention;
fig. 2 is a schematic flow chart of a water and fertilizer integrated optimization control method according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the scope of the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
Example 1
The embodiment of the invention provides a water and fertilizer integrated optimization control system, as shown in fig. 1, comprising: the system comprises a monitoring module, a sensor module, a wireless acquisition gateway and a water and fertilizer control module;
the monitoring module shoots pictures of plants in the greenhouse and processes the pictures to obtain growth information of the plants;
the sensor module collects soil data in the greenhouse and processes the soil data to obtain the condition of the soil in the greenhouse;
the wireless acquisition gateway is respectively connected with the monitoring module, the sensor module and the water and fertilizer control module, and sends the growth information of the plants and the condition of the soil in the greenhouse to the water and fertilizer control module;
and the water and fertilizer control module automatically generates a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control.
In a specific implementation manner of the embodiment of the invention, the water and fertilizer integrated optimization control system further comprises a cloud platform and a mobile control device; the water and fertilizer control module also comprises a wireless gateway;
the cloud platform is connected with a wireless gateway in the water and fertilizer control module and provides computing, network and storage services;
the mobile control equipment is connected with the cloud platform and is used for a manager to remotely check the growth information of the plants and the condition of the soil in the greenhouse; auditing a water-fertilizer irrigation strategy automatically generated by the water-fertilizer control module, and newly adding or modifying the water-fertilizer irrigation strategy; checking and receiving warning information and a report after each water-fertilizer irrigation strategy is executed; and updating the data of the plant fertilization model library in the water and fertilizer control module.
In a specific implementation manner of the embodiment of the present invention, the water and fertilizer control module further includes a touch display unit, and the touch display unit is connected to the water and fertilizer control unit, so that an administrator can manually input the type and growth stage of a plant, and set a threshold value for watering water and fertilizer, a warning manner, and the like as an auxiliary function for identification. These data may also be set at the mobile controller.
As shown in fig. 1, in the actual use process, the wireless network card, the plant fertilization model library, the water and fertilizer control unit, the touch display unit, the water irrigation controller and the fertilization controller jointly form an intelligent water and fertilizer all-in-one machine.
In a specific implementation manner of the embodiment of the present invention, as shown in fig. 1, the liquid manure control module includes: the water and fertilizer control unit is connected with the plant fertilization model library, the water irrigation controller and the fertilization controller;
the plant fertilization model library stores the demand of nitrogen, phosphorus, potassium, trace elements and water required by different plants, different varieties and plants at each stage; and obtaining the information of the species, the growth stage, the abnormality of leaves, flowers and fruits of the plant after image processing, obtaining the fertilization values of nitrogen, phosphorus, potassium and trace elements by matching with a plant fertilization model library, and further generating a water-fertilizer irrigation strategy. When no abnormality is identified in leaves, flowers and fruits, the water-fertilizer irrigation strategy is formulated by using the 'main nutrient element reference value' in the table I. For example, for the tomato of the variety 998 of Shenfen in the germination period, the amount of phosphorus used is P1. When the leaves, flowers and fruits are abnormal, the water-fertilizer irrigation strategy is established by using the data of the table I and the table II, and for a certain element, the final numerical value is added to the corresponding value of the data of the table I. For example, for a tomato variety 998 in germination period, the using amount of phosphorus is P1+ P2 when the leaves are large and the internodes are long, wherein P2 is a negative value; for the tomato of Shenfen 998 in the germination period and when the necrotic area appears on the leaf, the using amount of phosphorus is P1+ P3, wherein P3 is a positive value.
Watch-plant fertilization model library (Normal case)
Fertilizing model base for plants in watch two (abnormal conditions)
The water and fertilizer control unit receives data of the monitoring module and the sensor module, performs data matching with the plant fertilization model library, acquires the required amount of nitrogen, phosphorus, potassium, trace elements and water at the current stage, and further generates a primary water-fertilizer irrigation strategy;
the water irrigation controller controls the water quantity electromagnetic valve to irrigate according to a water irrigation strategy;
and the fertilization controller controls the respective electromagnetic valves of nitrogen, phosphorus, potassium and trace elements to fertilize according to a fertilizer quantity irrigation strategy.
In a specific implementation manner of the embodiment of the present invention, the monitoring module includes a high-definition monitor and an image processing unit that are configured and controlled by multiple points;
the high-definition monitor is used for shooting pictures of plants in the greenhouse at multiple angles and transmitting the pictures to the image processing unit, and the high-definition monitor can also monitor the conditions in the greenhouse through setting and transmits the pictures to the mobile control equipment for checking;
the image processing unit controls the high-definition monitor to shoot images according to shooting frequency set by a user or system default frequency to obtain plant pictures, processes the plant pictures to obtain a characteristic value of each picture, synthesizes the characteristic values of a plurality of pictures to obtain information such as the type, the growth stage, the color and the state of plant leaves, the average number of flowers, the color and the size of fruits, and elements lacking when the leaves, the flowers and the fruits present pathological changes, and reports the information to the intelligent water and fertilizer all-in-one machine through the wireless acquisition gateway. The image processing unit needs to record the result of the last plant characteristic, and if the result is not changed, the intelligent water and fertilizer reporting all-in-one machine is not used;
the image processing unit needs to record the result of the last plant characteristic, and if the result is not changed, the result is not reported to the water and fertilizer control module.
In a specific implementation manner of the embodiment of the invention, the sensor module comprises a multi-point distributed soil sensor and a soil monitoring unit;
the soil sensor obtains the pH value, the moisture content and the conductivity of soil in the plant greenhouse, and provides original data for formulation of a water-fertilizer irrigation strategy;
the soil monitoring unit processes data uploaded by the soil sensors, processes the data to obtain the condition of soil in the greenhouse, and reports the condition to the intelligent water and fertilizer all-in-one machine through the wireless acquisition gateway.
In embodiments of the invention, the water-fertilizer irrigation strategy comprises a water irrigation strategy and/or a fertilization strategy; when the water-fertilizer irrigation strategy is a water irrigation strategy and a fertilization strategy simultaneously, the water irrigation strategy is executed firstly, and then the fertilization strategy is executed, so that the fertilizer is prevented from being wasted due to the fact that the fertilizer cannot be absorbed by the plant root system along with infiltration of water after fertilization and watering. The water-fertilizer irrigation strategy comprises the beginning of execution time, the planned completion time, the duration of fertilizer effect after the completion of the execution, and the amount of nitrogen, phosphorus, potassium, trace elements and water in each square meter or each mu of irrigation.
And pushing the automatically generated water-fertilizer irrigation strategy to mobile control equipment (such as APP corresponding to the mobile phone) of an administrator for manual examination and execution after the examination is passed. The administrator can modify the water-fertilizer irrigation strategy during auditing, can check real-time greenhouse parameters at the mobile control equipment, and can add the water-fertilizer irrigation strategy once in a self-defined mode and execute the strategy when no strategy is to be audited. The irrigation safety is improved by presetting the primary irrigation threshold of water and fertilizer. For example, when the water-fertilizer irrigation strategy is automatically generated, and the water-fertilizer irrigation strategy modified or customized by the administrator exceeds a set threshold value, an early warning message is pushed to the administrator and waits for the confirmation of the administrator, or a reconfirmation prompt is added in the operation process, and the like. In the process of executing a watering strategy, water and fertilizer share a set of pipeline and directly reach the root area of crops. If the multi-point soil sensor comprehensively judges that the water content is higher than the set threshold value, the water irrigation is stopped; and if the moisture fed back by the soil sensor is lower than the set threshold value, triggering the generation of a next round of water irrigation strategy. The fertilization strategy is generated by processing a high-definition image of the plant growth to obtain the information of the plant species, the growth stage, the sizes, the colors, the pathological changes and the like of leaves and fruits of the plant, and then obtaining the fertilization strategy of nitrogen, phosphorus, potassium and trace elements by contrasting a plant fertilization model library. Taking a tomato as an example, the growth and development cycle of the tomato is divided into four stages, namely a germination stage (from seed germination to first true leaf emergence), a seedling stage (from first true leaf emergence to first big flower bud emergence), a flowering and fruit setting stage (from big flower bud emergence to first ear fruit setting) and a fruiting stage (from first ear fruit setting to expansion to fruit ripening), and some stages can be further subdivided. Firstly, obtaining the plant species, variety and current growth cycle through image processing or manual setting, and obtaining the fertilization strategy of nitrogen, phosphorus, potassium and trace elements through inquiring the data of a plant fertilization model base. Wherein the plant fertilization model base data is updatable by the mobile control device.
The following describes in detail the workflow of the water and fertilizer integrated optimization control system in the embodiment of the present invention with reference to fig. 2.
(1) Enabling an administrator to select whether to start intelligent identification, and further setting the image acquisition frequency of the high-definition monitor if the administrator selects to start intelligent identification; and if the plant is not started, the administrator manually sets the basic information of the plant. The manual setting in the process is considered for the situation that the plant images in the germination period and the seedling period of the plant are difficult to identify. Due to the slow growth speed of the plants, the collection frequency is defaulted to 8 hours and 1 time, and the administrator can set other frequencies. The basic information of the plant which is set for the first time comprises the type, the variety and the growth period of the plant, and is used for matching partial data of the plant fertilization model library to determine a primary fertilization scheme. And the later image identification comprises the plant species, the growth stage, the color and the state of plant leaves, the average number of flowers, the color and the size of fruits and the like, is used for judging whether the plant is drought or diseased, whether certain nutrient substances are lacked and the like, and provides a basis for formulating a fertilization strategy.
(2) And sending information such as image acquisition frequency for starting intelligent identification and administrator setting to an image processing unit of the monitoring module.
(3) The monitoring module collects the pictures of the plants in the greenhouse at multiple points according to the set or default collection frequency, so that the deviation of single-point identification is reduced. The pictures are processed by an image processing unit, and comprehensive plant data are obtained through image processing and mode identification.
(4) Judging whether the image recognition is finished in an image processing unit, if so, reporting the plant data to an intelligent water and fertilizer all-in-one machine according to a certain format as a basis of a water-fertilizer irrigation strategy; if the plant basic information cannot be identified, the administrator is informed to manually set the plant basic information.
(5) And the water and fertilizer control unit in the intelligent water and fertilizer all-in-one machine combines the soil information and the plant information uploaded by the acquisition sensor module and combines the comprehensive judgment of the matched fertilization model to generate a water-fertilizer irrigation strategy.
(6) The generated water-fertilizer irrigation strategy needs to be audited by an administrator, and after the audit is passed, the strategy is executed and the result is fed back to the mobile terminal; the administrator may refuse to execute or modify the execution of the policy.
(7) And after the implementation of the one-time water-fertilizer irrigation strategy is finished, judging whether the next water-fertilizer irrigation strategy generation is needed or not according to the soil information and the plant growth information fed back in real time. Triggering several conditions of water and fertilizer strategy generation: firstly, when the soil moisture is lower than or higher than a threshold value, a new strategy is generated when the soil moisture is lower than the threshold value, and the current water-fertilizer irrigation strategy is stopped when the soil moisture is higher than the threshold value; secondly, the effective duration time of the last fertilization is up; thirdly, the plant information is identified to be updated; fourth, the administrator adds a water-fertilizer irrigation strategy.
Example 2
The embodiment of the invention provides a water and fertilizer integrated optimization control method, which comprises the following steps:
shooting pictures of plants in the greenhouse by using a monitoring module, and processing the pictures to obtain growth information of the plants;
collecting soil data in the greenhouse by using a sensor module, and processing the soil data to obtain the condition of the soil in the greenhouse;
sending the growth information of the plants and the condition of the soil in the greenhouse to a water and fertilizer control module by using a wireless acquisition gateway;
and the water and fertilizer control module is used for automatically generating a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control.
Optionally, the automatically generated conditions of the water-fertilizer irrigation strategy may further comprise one or more of the following conditions:
when the soil moisture is lower than a threshold value, generating a new water-fertilizer irrigation strategy, and when the soil moisture is higher than the threshold value, terminating the current water-fertilizer irrigation strategy;
when the effective duration time of the last fertilization is up;
updating plant information;
adding water-fertilizer irrigation strategy by an administrator.
The embodiment of the invention provides a water and fertilizer integrated optimization control method, which further comprises the following steps:
the cloud platform is connected with the wireless gateway in the water and fertilizer control module to provide computing, network and storage services
The method comprises the following steps that a mobile control device is connected with a cloud platform, and the mobile control device is used for a manager to remotely check growth information of plants and conditions of soil in a greenhouse; auditing a water-fertilizer irrigation strategy automatically generated by the water-fertilizer control module, and newly adding or modifying the water-fertilizer irrigation strategy; checking and receiving warning information and a report after each water-fertilizer irrigation strategy is executed; and updating the data of the plant fertilization model library in the water and fertilizer control module.
The method in the embodiment of the invention can be realized based on the water and fertilizer integrated optimization control system in the embodiment 1.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an integrative optimal control system of liquid manure which characterized in that includes: the system comprises a monitoring module, a sensor module, a wireless acquisition gateway and a water and fertilizer control module;
the monitoring module shoots pictures of plants in the greenhouse and processes the pictures to obtain growth information of the plants;
the sensor module collects soil data in the greenhouse and processes the soil data to obtain the condition of the soil in the greenhouse;
the wireless acquisition gateway is respectively connected with the monitoring module, the sensor module and the water and fertilizer control module, and sends the growth information of the plants and the condition of the soil in the greenhouse to the water and fertilizer control module;
and the water and fertilizer control module automatically generates a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control.
2. The integrated water and fertilizer optimization control system of claim 1, wherein the water and fertilizer control module comprises: the water and fertilizer control unit is connected with the plant fertilization model library, the water irrigation controller and the fertilization controller;
the plant fertilization model library stores the demand of nitrogen, phosphorus, potassium, trace elements and water required by different plants, different varieties and plants at each stage;
the water and fertilizer control unit receives data of the monitoring module and the sensor module, performs data matching with the plant fertilization model library, acquires the required amount of nitrogen, phosphorus, potassium, trace elements and water at the current stage, and further generates a primary water-fertilizer irrigation strategy;
the water irrigation controller controls the water quantity electromagnetic valve to irrigate according to a water irrigation strategy;
and the fertilization controller controls the respective electromagnetic valves of nitrogen, phosphorus, potassium and trace elements to fertilize according to a fertilizer quantity irrigation strategy.
3. The water and fertilizer integrated optimization control system according to claim 2, characterized in that: the water-fertilizer irrigation strategy comprises a water irrigation strategy and/or a fertilization strategy;
when the water-fertilizer irrigation strategy is simultaneously the water irrigation strategy and the fertilization strategy, the water irrigation strategy is executed firstly, and then the fertilization strategy is executed.
4. The water and fertilizer integrated optimization control system according to claim 2, characterized in that: the water and fertilizer control module further comprises a touch display unit, and the touch display unit is connected with the water and fertilizer control unit and can be used for an administrator to manually input the types and the growth stages of the plants.
5. The water and fertilizer integrated optimization control system according to claim 1, characterized in that: the monitoring module comprises a multipoint distribution high-definition monitor and an image processing unit;
the high-definition monitor is used for shooting pictures of plants in the greenhouse at multiple angles and transmitting the pictures to the image processing unit;
the image processing unit controls the high-definition monitor to shoot images according to shooting frequency set by a user or system default frequency to obtain plant pictures, processes the plant pictures to obtain a characteristic value of each picture, and synthesizes the characteristic values of a plurality of pictures to obtain the types, the growth stages, the colors and the states of plant leaves, the average number of flowers, the colors and the sizes of fruits of the plants and elements which are lacked when the leaves, the flowers and the fruits present pathological symptoms;
the image processing unit needs to record the result of the last plant characteristic, and if the result is not changed, the result is not reported to the water and fertilizer control module.
6. The water and fertilizer integrated optimization control system according to claim 1, characterized in that: the sensor module comprises a multi-point distribution and control soil sensor and a soil monitoring unit;
the soil sensor obtains the pH value, the moisture content and the conductivity of soil in the plant greenhouse, and provides original data for formulation of a water-fertilizer irrigation strategy;
the soil monitoring unit processes data uploaded by the soil sensors, processes the data and obtains the condition of the soil in the greenhouse.
7. The water and fertilizer integrated optimization control system according to claim 1, characterized in that: the water and fertilizer integrated optimization control system further comprises a cloud platform and mobile control equipment; the water and fertilizer control module also comprises a wireless gateway;
the cloud platform is connected with a wireless gateway in the water and fertilizer control module and provides computing, network and storage services;
the mobile control equipment is connected with the cloud platform and is used for a manager to remotely check the growth information of the plants and the condition of the soil in the greenhouse; auditing a water-fertilizer irrigation strategy automatically generated by the water-fertilizer control module, and newly adding or modifying the water-fertilizer irrigation strategy; checking and receiving warning information and a report after each water-fertilizer irrigation strategy is executed; and updating the data of the plant fertilization model library in the water and fertilizer control module.
8. A water and fertilizer integrated optimization control method is characterized by comprising the following steps:
shooting pictures of plants in the greenhouse by using a monitoring module, and processing the pictures to obtain growth information of the plants;
collecting soil data in the greenhouse by using a sensor module, and processing the soil data to obtain the condition of the soil in the greenhouse;
sending the growth information of the plants and the condition of the soil in the greenhouse to a water and fertilizer control module by using a wireless acquisition gateway;
and the water and fertilizer control module is used for automatically generating a water-fertilizer irrigation strategy based on the received information to complete water and fertilizer integrated optimization control.
9. The method as claimed in claim 8, wherein the conditions for automatically generating the water-fertilizer irrigation strategy further include one or more of the following conditions:
when the soil moisture is lower than a threshold value, generating a new water-fertilizer irrigation strategy, and when the soil moisture is higher than the threshold value, terminating the current water-fertilizer irrigation strategy;
when the effective duration time of the last fertilization is up;
updating plant information;
adding water-fertilizer irrigation strategy by an administrator.
10. The water and fertilizer integrated optimization control method according to claim 8, further comprising: the cloud platform is connected with the wireless gateway in the water and fertilizer control module to provide computing, network and storage services
The method comprises the following steps that a mobile control device is connected with a cloud platform, and the mobile control device is used for a manager to remotely check growth information of plants and conditions of soil in a greenhouse; auditing a water-fertilizer irrigation strategy automatically generated by the water-fertilizer control module, and newly adding or modifying the water-fertilizer irrigation strategy; checking and receiving warning information and a report after each water-fertilizer irrigation strategy is executed; and updating the data of the plant fertilization model library in the water and fertilizer control module.
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