CN112690078A - Intelligent water, fertilizer and pesticide integrated irrigation system and method - Google Patents
Intelligent water, fertilizer and pesticide integrated irrigation system and method Download PDFInfo
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- 239000003337 fertilizer Substances 0.000 title claims abstract description 91
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 238000003973 irrigation Methods 0.000 title claims abstract description 74
- 230000002262 irrigation Effects 0.000 title claims abstract description 74
- 239000000575 pesticide Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005192 partition Methods 0.000 claims abstract description 70
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 230000001276 controlling effect Effects 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 7
- 239000012452 mother liquor Substances 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 20
- 210000003608 fece Anatomy 0.000 claims description 13
- 239000010871 livestock manure Substances 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000003814 drug Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 3
- 230000004720 fertilization Effects 0.000 abstract description 6
- 239000003621 irrigation water Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 11
- 239000004576 sand Substances 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
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Abstract
The invention discloses an intelligent water-fertilizer-pesticide integrated irrigation system and a method, wherein the system comprises water supply equipment, the input end of the water supply equipment is connected with a water source, the output end of the water supply equipment is connected with a main pipeline, and a pressure detection unit and a main pipeline flow detection unit are arranged on the main pipeline; the rear end of the main pipeline is connected to subarea irrigation equipment; the proportioning equipment is in bypass connection with the main pipeline, and a fertilizer pipe flow monitoring unit is arranged on a pipeline of the proportioning equipment; the proportioning device comprises a proportion control unit which is responsible for automatically adjusting the fertilizer output quantity of the proportioning device according to the water flow signal and the fertilizer pipe flow signal; the constant pressure control unit is responsible for regulating and controlling the operation of the water supply equipment according to the pressure signal; and the partition controller is responsible for acquiring the irrigation data of each partition and controlling the opening/closing of the partition irrigation. The invention can realize constant water supply pressure of an irrigation system, uniform irrigation water discharge, automatic adjustment of fertilizer application amount, constant water and fertilizer ratio output, accurate fertilization and pesticide application, improvement of irrigation efficiency and reduction of cost.
Description
Technical Field
The invention relates to the technical field of agricultural irrigation, in particular to an intelligent water-fertilizer-pesticide integrated irrigation system and a control method thereof.
Background
At present, in the production process of crops, watering and fertilizing are generally required. The traditional crop fertilization step and the watering step are carried out separately; at present, in order to realize the modernization of agricultural production, a large number of spraying devices are built in the agricultural production process, water and fertilizer are mixed according to a proportion and then are sprayed out by the spraying devices, so that the effect of simultaneously fertilizing and watering is realized, and the irrigation efficiency is greatly improved.
The prior art generally adopts a proportional fertilizer pump or a Venturi type fertilizer applicator to realize the effect of simultaneously fertilizing and watering. The flow pipe diameter and the size of the interface of the proportioning pump are fixed, the flow of the accessed liquid in unit time is limited, large-area fertilization in a short time cannot be met, the quality requirement of the proportioning pump is high, and later maintenance is inconvenient; and the unit flow of the interface of the proportional pump can not be automatically adjusted, the fertilizer can be output only according to fixed flow, and when the water flow in the water pipe changes, the output amount of the fertilizer is not correspondingly changed, so that the proportion of the mixed liquid fertilizer is changed, and the aim of constant proportional output cannot be fulfilled.
Secondly, although the automatic fertilization mode of the Venturi type fertilizer applicator is simple in structure and low in cost, the fertilization amount is greatly influenced by pressure fluctuation, constant proportion adjustment is inconvenient, and meanwhile, a Venturi throat is easy to block, and the failure rate is high.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide an intelligent water-fertilizer-pesticide integrated irrigation system, which can realize constant water supply pressure of the irrigation system, achieve uniform irrigation water outlet, automatically adjust fertilizer application amount, keep constant water-fertilizer ratio output, realize accurate fertilizer application and pesticide application, improve irrigation efficiency and reduce cost.
The invention also aims to provide an intelligent water, fertilizer and pesticide integrated irrigation control method.
One of the purposes of the invention is realized by adopting the following technical scheme:
an intelligent liquid manure medicine integration irrigation system includes:
the input end of the water supply equipment is connected with a water source, the output end of the water supply equipment is connected with a main pipeline, and a pressure detection unit and a main pipeline flow detection unit are arranged on the main pipeline; the rear end of the main pipeline is connected to subarea irrigation equipment;
the proportioning device is in bypass connection with the main pipeline, the input end of a pipeline of the proportioning device is connected to the mother liquor storage device, and a fertilizer pipe flow monitoring unit is arranged on the pipeline of the proportioning device; the proportioning device comprises a proportion control unit, the proportion control unit is connected with the main pipe flow detection unit and the fertilizer pipe flow monitoring unit and is responsible for automatically adjusting the fertilizer output quantity of the proportioning device according to the water flow signal of the main pipe and the fertilizer pipe flow signal of the proportioning device pipe and keeping mother liquor constantly delivered into the main pipe according to a set water-fertilizer proportion;
the constant pressure control unit is connected with the pressure detection unit and the water supply equipment and is responsible for regulating and controlling the operation of the water supply equipment according to the pressure signal detected by the pressure detection unit so as to keep the pressure in the main pipeline constant;
and the partition controller is connected with the irrigation equipment of each partition and is responsible for acquiring the irrigation data of each partition and controlling the opening/closing of the partition irrigation.
Furthermore, the proportioning device also comprises a variable frequency driving system, a pressure pump and a plurality of pipelines; the proportion control unit is connected with a variable frequency driving system, the variable frequency driving system is connected with the pressure pump, the inlet end of the pressure pump is connected to mother liquor storage equipment through a proportioning equipment pipeline, and the outlet end of the pressure pump is connected to a main pipeline through a pipeline; the proportion control unit controls the working frequency of the pressure pump through the variable frequency driving system, so that the flow of the liquid flowing through the pressure pump is controlled.
Furthermore, the irrigation equipment comprises a partition switch, an EC detection device and a PH detection device, wherein the partition controller controls the partition switch to be turned on/off and collects irrigation data obtained by detection of the EC detection device and the PH detection device and the on-off state of each partition switch.
And the remote control platform is connected with the constant pressure control unit, the proportioning equipment and the partition controller through the data transmission unit, and is responsible for acquiring and recording the running data of the irrigation system and controlling the running and stopping of the corresponding equipment.
And the intelligent start-stop control unit is connected with the partition controller, the constant voltage control unit and the proportion control unit and is responsible for controlling the constant voltage control unit and the proportioning equipment to automatically run or pause according to the state of the partition switch.
The second purpose of the invention is realized by adopting the following technical scheme:
the intelligent integrated irrigation control method for the water, fertilizer and pesticide is applied to the intelligent integrated irrigation system for the water, fertilizer and pesticide, and comprises the following steps:
step S1: the constant pressure control unit receives the pressure signal of the main pipeline sent by the pressure detection unit and adjusts the working frequency of water supply equipment on the main pipeline according to the real-time pressure signal of the main pipeline so as to keep the main pipeline in a constant pressure state;
step S2: the proportion control unit receives flow data sent by the main pipe flow detection unit and the fertilizer pipe flow monitoring unit, and automatically adjusts the fertilizer output quantity of the proportioning equipment according to the flow data and in combination with a preset target proportion so as to keep the water-fertilizer proportion of the main pipe constant;
step S3: the zone controller controls the opening or closing of each zone irrigation device to output the water-fertilizer solution in the main pipeline.
Further, the method for automatically adjusting the fertilizer output of the proportioning device in the step S2 includes:
the proportion control unit carries out proportion control operation on the water flow signal of the main pipeline and the fertilizer pipe flow signal of the pipeline of the proportioning device through the collected water flow signal of the main pipeline and the fertilizer pipe flow signal of the pipeline of the proportioning device, and automatically regulates and controls the working frequency of a pressure pump in the proportioning device according to an operation result so as to change the fertilizer output quantity of the proportioning device and keep the proportion of water and fertilizer in the main pipeline within a set proportion range.
Further, still include:
the remote control platform collects various data of the constant pressure control unit and the proportional control unit in real time to perform real-time monitoring; and the partition control instruction sent by the remote control platform is sent to the partition controller to control the partition switch of the corresponding partition irrigation equipment to be turned on or turned off.
Further, still include:
the intelligent start-stop control unit acquires the switch state of each partition switch, controls the constant-pressure control unit to execute when judging that the partition switches are in the on state so as to enable the water supply equipment to automatically operate, and controls the proportioning equipment to start and output and operate in a constant water-fertilizer ratio mode according to the flow information of the main pipeline; and when the partition switch is judged to be in a closed state, the constant-voltage control unit and the proportioning equipment are controlled to pause.
Compared with the prior art, the invention has the beneficial effects that:
the constant-pressure control unit is used for automatically adjusting the operation of the water supply equipment according to the pressure parameters of the main pipeline so as to maintain the stability of the water pressure of the main pipeline, and the proportion control unit is used for combining the output flow of the main pipeline current water flow automatic adjusting proportioning equipment so as to keep the water-fertilizer proportion constant all the time so as to improve the output stability of the irrigation system.
Drawings
FIG. 1 is a block schematic diagram of the modules of the irrigation system of the present invention;
fig. 2 is a schematic flow chart of a control method of the irrigation system of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example one
This embodiment provides an intelligence liquid manure medicine integration irrigation system, and this irrigation system of accessible realizes that the liquid manure mixed solution of output is exported according to invariable proportion all the time, ensures that trunk line internal pressure is stable simultaneously, improves irrigation efficiency.
As shown in fig. 1, the irrigation system of this embodiment mainly includes a water supply device, a proportioning device, a constant pressure control unit and a partition controller, wherein an input end of the water supply device is connected to a water source, an output end of the water supply device is connected to a main pipe, a non-return device, a pressure detection unit, a filtering device and a main pipe flow detection unit are arranged at a front end of the main pipe, and a rear end of the main pipe is connected to the partition irrigation device.
Wherein, backstop device can be connected behind the output of water supply equipment, can avoid the water in the trunk line to flow in the water source against the contrary, prevents that the water source from receiving the pollution. The main pipeline is also provided with a pressure detection unit, the pressure detection unit is in signal connection with the constant pressure control unit, and the pressure detection unit can detect the real-time pressure in the main pipeline and send pressure data obtained by detection to the constant pressure control unit for monitoring. The constant pressure control unit is connected with the pressure detection unit and the water supply equipment and is responsible for regulating and controlling the operation of the water supply equipment according to the pressure signal detected by the pressure detection unit so as to keep the pressure in the main pipeline constant;
in addition, the water supply equipment can be further connected with a voltage stabilizing device, and the voltage stabilizing device provides stable working voltage for the water supply equipment so that the water pressure in the main pipeline is kept stable.
In this embodiment the proportioning device with the trunk line carries out the bypass and is connected, proportioning device pipeline input is connected to mother liquor storage device, and the mother liquor storage device stores the mother liquor of the certain concentration that has already been allocated, and mother liquor storage device can let in the trunk line with the mother liquor of its storage in order to form the liquid manure solution of certain proportion. And a fertilizer pipe flow monitoring unit is arranged on the pipeline of the proportioning equipment, and the output flow of the proportioned equipment is monitored in real time through the fertilizer pipe flow monitoring unit.
The ratio equipment is including the proportional control unit, the proportional control unit with be responsible for flow detection unit with fertile pipe flow monitoring unit links to each other, is responsible for according to the discharge signal of trunk line and the fertile pipe flow signal of ratio equipment pipeline, automatically regulated the fertilizer output volume size of ratio equipment keeps the mother liquor to carry according to the liquid manure proportion of setting for invariably in the trunk line.
In addition, the proportioning device also comprises a variable frequency driving system, a pressure pump and a plurality of pipelines; the proportional control unit is connected with a variable frequency driving system, the variable frequency driving system is connected with the pressure pump, and the variable frequency driving system can change the working frequency of the pressure pump so as to change the flow rate of liquid flowing through the pressure pump. The inlet end of the pressure pump is connected to mother liquor storage equipment through a proportioning equipment pipeline, and the outlet end of the pressure pump is connected to a main pipeline through a pipeline; the proportion control unit controls the working frequency of the pressure pump through the variable frequency driving system, so that the flow of liquid flowing through the pressure pump is controlled, and the proportion of water and fertilizer in the main pipeline is kept in a constant state.
The embodiment can be provided with a plurality of sets of proportioning equipment, the plurality of sets of proportioning equipment are respectively used for proportioning different fertilizers, and each set of proportioning equipment adopts the automatic proportioning method to realize automatic adjustment of the output flow of each fertilizer so as to improve the mixing efficiency.
The tail end of the main pipeline of the embodiment is connected with a plurality of partitions, each partition is provided with corresponding partition irrigation equipment, the irrigation equipment of each partition is connected with a partition controller, and the partition controller is responsible for acquiring irrigation data of each partition and manually or remotely controlling the opening or closing state of the irrigation equipment of each partition according to user requirements. The water and fertilizer mixing of the irrigation system is carried out on the main pipeline, the mixing capacity of water and fertilizer solution can be increased, and the flow of the mother liquor capable of injecting fertilizer and pesticide can reach at least 2.5m3The single irrigation area can reach 10-50 mu, the mother liquor flow can be further improved according to different configurations, and the large-flow fertilizing and pesticide spraying requirements are met.
The irrigation equipment comprises a partition switch, an EC detection device and a PH detection device, wherein the EC detection device is used for detecting the concentration of soluble salt, and the PH detection device is used for detecting the pH value; the partition controller can control the on/off of the partition switch, and a user can manually control the partition controller according to requirements or remotely control the partition controller according to requirements; the partition controller can also acquire irrigation data obtained by detection of the EC detection device and the PH detection device and the on-off state of each partition switch, and transmits the irrigation data and the on-off state of each partition switch to a remote control platform for remote monitoring.
The remote control platform is connected with the constant pressure control unit, the proportioning device and the partition controller through the data transmission unit, and is responsible for acquiring and recording operation data such as a pressure signal, a main pipe flow signal, a fertilizer pipe flow signal, the working frequency of water supply equipment, the working frequency of a pressure pump, the switching state of a partition switch, pH value, EC concentration and the like in an irrigation system, and even can record information such as time point, adjustment proportion, adjustment times and the like of each adjustment in the process of automatically adjusting the fertilizer output quantity; meanwhile, the corresponding equipment can be controlled to run and stop through the remote control platform, and the remote operation of water supply, fertilization and pesticide spraying of each subarea is realized.
The irrigation system of this embodiment still includes intelligence and opens and stops the control unit, with the partition controller, constant voltage control unit and the proportion control unit links to each other, is responsible for according to the state control of partition switch constant voltage control unit and proportioning equipment automatic operation or pause work. When the partition switch is judged to be in an on state, the constant pressure control unit is controlled to execute so as to enable the water supply equipment to automatically operate, and the proportioning equipment is controlled to start according to the flow information of the main pipeline and output and operate in a constant water-fertilizer ratio mode; and when the partition switch is judged to be in a closed state, the constant-voltage control unit and the proportioning equipment are controlled to pause.
In the embodiment, fertilizer is mixed with water in the main pipeline, and in order to avoid fertilizer from blocking the main pipeline, the main pipeline is provided with a filtering device, wherein the filtering device comprises a centrifugal filtering device, a sand filtering device and a laminated filter which are sequentially arranged from the water source to the subarea irrigation device; the centrifugal filtering equipment is used for filtering impurities with larger volume in liquid, such as fixed garbage thrown in water; the discharge end of the proportioning device is connected with the feed end of the sand filtering device, and the sand filtering device is used for filtering sand with relatively large volume in the fertilizer, so that the influence of the sand with too large volume entering a main pipeline on the water-fertilizer mixing quality is avoided; the laminated filter has a breaking function, large particles or agglomerated fertilizer still remaining in the fertilizer can be smashed, and the utilization rate of the fertilizer is increased. In the embodiment, the output end of the proportioning device is connected to the front end of the lamination filter on the main pipeline so as to filter the fertilizer output by the proportioning device.
Example two
The embodiment provides an intelligent water, fertilizer and pesticide integrated irrigation control method, and the control method of the embodiment is applied to an irrigation system as described in the first embodiment, and specifically includes the following steps as shown in fig. 2:
step S1: the constant pressure control unit receives the pressure signal of the main pipeline sent by the pressure detection unit and adjusts the working frequency of the water supply equipment on the main pipeline according to the real-time pressure signal of the main pipeline so as to keep the main pipeline in a constant pressure state.
The constant voltage control unit can control the water supply equipment and start, with in the water extraction income trunk line in the water source, after filtering through a series of filter equipment on the trunk line, the constant voltage control unit can be according to the pressure demand automatically regulated water supply equipment's of each subregion operating frequency to realize the constant voltage and supply water.
Step S2: and the proportion control unit receives the flow data sent by the main pipe flow detection unit and the fertilizer pipe flow monitoring unit, and automatically adjusts the fertilizer output quantity of the proportioning equipment according to the flow data and in combination with a preset target proportion so as to keep the water-fertilizer proportion of the main pipe constant.
The control method of the proportion control unit is carried out according to the principle that the total target proportion of the water and the fertilizer is the mother liquor configuration proportion multiplied by the water and fertilizer output target proportion, namely the total target proportion of the water and the fertilizer is preset, and the total target proportion of the water and the fertilizer is the actual demand of a user and can be regarded as a normal value; calculate liquid manure output target proportion according to the present discharge of trunk line and combine the total target proportion of predetermined liquid manure, again according to the output flow size of mother liquor concentration automatically regulated proportioning equipment for actual liquid manure proportion is the same with the total target proportion of predetermined liquid manure in the trunk line, satisfies the invariable effect of liquid manure proportion in the trunk line.
In the embodiment, a user can preset the water and fertilizer output target proportion by combining the total water and fertilizer proportion target and the mother liquor preparation proportion according to actual requirements; before irrigation system began work, the mother liquor that sets certain concentration in the mother liquor storage device, the main pipe flow signal and the fat pipe flow signal of trunk line that proportional control unit gathered through it carry out the proportional control operation to it, according to the operating frequency of the force pump of the automatic proportioning equipment of operation result to the flow of change proportioning equipment output mother liquor makes the liquid manure proportion in the trunk line keep in setting for the proportion within range, thereby realizes the constant proportion output control, improves the stability of trunk line output.
Step S3: the user can manually or remotely control the subarea controller to drive and control the opening or closing of each subarea irrigation device so as to output the water-fertilizer solution in the main pipeline.
In addition, the intelligent start-stop control unit also acquires the on-off state of each partition switch in real time, controls the constant-pressure control unit to execute so as to enable the water supply equipment to automatically operate when the partition switches are judged to be in the on state, and controls the proportioning equipment to start and output and operate at a constant water-fertilizer ratio according to the flow information of the main pipeline; when judging that the partition switch is in the off-state, control constant voltage control unit with ratio equipment pause work can realize under the direct closed-off's of irrigation equipment one end condition, other equipment of coordinated control also stop work, avoids equipment idle running, can realize intelligent opening and close, need not special person on duty.
The control method of the embodiment also comprises the steps of carrying out remote monitoring on the irrigation system, and carrying out real-time monitoring on various data of the constant-pressure control unit and the proportional control unit which are collected by the remote control platform in real time; and the partition control instruction sent by the remote control platform is sent to the partition controllers to control the partition switches of the corresponding partition irrigation equipment to be turned on or turned off, so that the intelligent degree of the irrigation system is improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. The utility model provides an intelligence liquid manure medicine integration irrigation system which characterized in that includes:
the input end of the water supply equipment is connected with a water source, the output end of the water supply equipment is connected with a main pipeline, and a pressure detection unit and a main pipeline flow detection unit are arranged on the main pipeline; the rear end of the main pipeline is connected to subarea irrigation equipment;
the proportioning device is in bypass connection with the main pipeline, the input end of a pipeline of the proportioning device is connected to the mother liquor storage device, and a fertilizer pipe flow monitoring unit is arranged on the pipeline of the proportioning device; the proportioning device comprises a proportion control unit, the proportion control unit is connected with the main pipe flow detection unit and the fertilizer pipe flow monitoring unit and is responsible for automatically adjusting the fertilizer output quantity of the proportioning device according to the water flow signal of the main pipe and the fertilizer pipe flow signal of the proportioning device pipe and keeping mother liquor constantly delivered into the main pipe according to a set water-fertilizer proportion;
the constant pressure control unit is connected with the pressure detection unit and the water supply equipment and is responsible for regulating and controlling the operation of the water supply equipment according to the pressure signal detected by the pressure detection unit so as to keep the pressure in the main pipeline constant;
and the partition controller is connected with the irrigation equipment of each partition and is responsible for acquiring the irrigation data of each partition and controlling the opening/closing of the partition irrigation.
2. The intelligent integrated irrigation system for water, fertilizer and pesticide as claimed in claim 1, wherein the proportioning device further comprises a variable frequency driving system, a pressure pump and a plurality of pipelines; the proportion control unit is connected with a variable frequency driving system, the variable frequency driving system is connected with the pressure pump, the inlet end of the pressure pump is connected to mother liquor storage equipment through a proportioning equipment pipeline, and the outlet end of the pressure pump is connected to a main pipeline through a pipeline; the proportion control unit controls the working frequency of the pressure pump through the variable frequency driving system, so that the flow of the liquid flowing through the pressure pump is controlled.
3. The intelligent integrated irrigation system for water, fertilizer and pesticide as claimed in claim 1, wherein the irrigation equipment comprises a partition switch, an EC detection device and a PH detection device, the partition controller controls the partition switch to be turned on/off, and acquires irrigation data obtained by detection of the EC detection device and the PH detection device and the on-off state of each partition switch.
4. The intelligent integrated irrigation system for water, fertilizer and pesticide as claimed in claim 1, further comprising a remote control platform connected with the constant pressure control unit, the proportioning device and the partition controller through a data transmission unit and responsible for collecting and recording operation data of the irrigation system and controlling operation and stop of corresponding devices.
5. The intelligent integrated irrigation system for liquid manure and pesticide as claimed in claim 3, further comprising an intelligent start-stop control unit connected to the partition controller, the constant pressure control unit and the proportional control unit and responsible for controlling the constant pressure control unit and the proportioning device to automatically run or pause according to the state of the partition switch.
6. An intelligent integrated irrigation control method for water, fertilizer and pesticide, which is applied to the intelligent integrated irrigation system for water, fertilizer and pesticide as claimed in any one of claims 1 to 5, and comprises the following steps:
step S1: the constant pressure control unit receives the pressure signal of the main pipeline sent by the pressure detection unit and adjusts the working frequency of water supply equipment on the main pipeline according to the real-time pressure signal of the main pipeline so as to keep the main pipeline in a constant pressure state;
step S2: the proportion control unit receives flow data sent by the main pipe flow detection unit and the fertilizer pipe flow monitoring unit, and automatically adjusts the fertilizer output quantity of the proportioning equipment according to the flow data and in combination with a preset target proportion so as to keep the water-fertilizer proportion of the main pipe constant;
step S3: the zone controller controls the opening or closing of each zone irrigation device to output the water-fertilizer solution in the main pipeline.
7. The intelligent integrated irrigation control method for water, fertilizer and pesticide according to claim 6, wherein the method for automatically adjusting the fertilizer output of the proportioning device in the step S2 comprises the following steps:
the proportion control unit carries out proportion control operation on the water flow signal of the main pipeline and the fertilizer pipe flow signal of the pipeline of the proportioning device through the collected water flow signal of the main pipeline and the fertilizer pipe flow signal of the pipeline of the proportioning device, and automatically regulates and controls the working frequency of a pressure pump in the proportioning device according to an operation result so as to change the fertilizer output quantity of the proportioning device and keep the proportion of water and fertilizer in the main pipeline within a set proportion range.
8. The intelligent water and fertilizer and pesticide integrated irrigation control method according to claim 6, further comprising:
the remote control platform collects various data of the constant pressure control unit and the proportional control unit in real time to perform real-time monitoring; and the partition control instruction sent by the remote control platform is sent to the partition controller to control the partition switch of the corresponding partition irrigation equipment to be turned on or turned off.
9. The intelligent water and fertilizer and pesticide integrated irrigation control method according to claim 6, further comprising:
the intelligent start-stop control unit acquires the switch state of each partition switch, controls the constant-pressure control unit to execute when judging that the partition switches are in the on state so as to enable the water supply equipment to automatically operate, and controls the proportioning equipment to start and output and operate in a constant water-fertilizer ratio mode according to the flow information of the main pipeline; and when the partition switch is judged to be in a closed state, the constant-voltage control unit and the proportioning equipment are controlled to pause.
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Effective date of registration: 20240711 Address after: 528200 B8-2, Wanqingyang, Shuizhen, Nanhai District, Foshan City, Guangdong Province (Address Declaration) Applicant after: Foshan Shunlv Agricultural Technology Co.,Ltd. Country or region after: China Address before: 510000 one of 1302 East Tower, Guangzhou yuan building, No.1, Guangzhou Yuan Road, Liwan District, Guangzhou City, Guangdong Province (office use only) Applicant before: Guangzhou Shunlu Sprinkler Irrigation Equipment Co.,Ltd. Country or region before: China |