KR101953620B1 - Multiplex controller for recycle supplying systems of nutrient solution of cultivation under structure - Google Patents

Abstract

The present invention relates to a controller for controlling a nutrient solution supply system, combined with a nutrient solution recycling function and an environment control function. The controller can maintain and manage the nutrient solution supply system through a remote control terminal by using information communication technologies, supply the nutrient solution in the optimal state by receiving and sensing the ever-changing surrounding environment of a cultivation facility, and recollects the nutrient solution discharged from the cultivation facility, thereby reducing the nutrient solution costs for farmers as well as preventing environmental contamination due to the nutrient solution. The controller can use a remote computer or a mobile computer and a computer in a control room to enable a dual-control operation, set various environments, and check the control data and result data at a glance, thereby enabling more precise operations.

Description

TECHNICAL FIELD [0001] The present invention relates to a complex controller for controlling a nutrient solution recycling and environment control type complex nutrient supply system,

The present invention relates to a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system, and more particularly to a controller for remotely maintaining a nutrient solution supply system through a remote control terminal using information communication technology, It is possible to reduce the cost of purchasing nutrients by farmers by collecting nutrients discharged from cultivation facilities and recycling them, and also to prevent environmental pollution by nutrient solution. To a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system.

In particular, the present invention relates to a controller for controlling a nutrient solution recycling and environment control hybrid type nutrient solution supply system which can be controlled by using a computer in a management room, a mobile terminal or a remote computer, and can set various environments.

As the technology develops, various plant cultivation methods are being developed. The technology of cultivating the plants by making the cultivation environment in the optimum condition for the growth of the plant is collectively called facility cultivation.

Facility cultivation is used by different names depending on which crops are intended for cultivation. Most of them are called plant horticulture by cultivating horticultural crops. They are grown in the greenhouses, plastic houses, large tunnels, , Vegetables such as root vegetables, fruit trees, and flowers are cultivated intensively.

Such facility cultivation is a capital intensive management by installing devices such as automatic warming, warming, ventilation, irrigation and carbonic acid gas application, and in the beginning, by controlling the driving of various devices by using a computer, Are being used throughout the year.

As described above, various apparatuses for controlling the environment have been used for cultivating such facilities. Among these apparatuses, there is a nutrient solution feeding system for supplying nutrients to plants. Patent documents 1 to 3 are examples of related technologies.

Patent Literature 1 discloses an apparatus for detecting a pollutant, comprising a meteorological environment sensor for sensing a radiation amount and an outside temperature, a plurality of fertilizer solution supply motors for supplying a plurality of different fertilizer solutions, A system mixing tank, a system circulation piping connected to the bottom of the system mixing tank and circulating the fertilizer solution, and a circulation system pipeline system disposed on the system circulation piping to detect the pH (pH) and electrical conductivity (EC) A nutrient solution sensor, a nutrient supply motor located on the system circulation pipe for pumping the fertilizer solution toward the upper side of the hydroponic culture bed with a constant force, and a supply pipe connected to the nutrient solution supply motor, , A drain pipe for discharging the fertilizer solution supplied through the lower part of the hydroponic cultivation bed, and a drain pipe A first liquid delivery tank for receiving the liquid discharged from the first liquid supply tank, a liquid delivery primary pump for discharging the liquid discharged from the first liquid delivery tank to the outside after reaching a predetermined amount, A drainage water meter provided between the secondary drainage tank and the drainage primary pump for counting the amount of discharge of the drainage pumped; a drainage pump for reaching a predetermined amount of the drainage stored in the secondary drainage tank and pumping it into the system mixing tank; A supply pump, a drain supply pipe for transferring the drainage by the drainage supply pump to the system mixing tank, a drainage supply water meter for counting the supply quantity of the drainage solution placed on the drainage supply pipe, A sensor for detecting electrical conductivity; a plurality of solenoid valves positioned on the drainage supply pipe for supplying and shutting off the nutrient solution and the drainage; a gas environment sensor and a nutrient solution sensor; System, receive information from the drainage water meter is to include a nutrient solution feed pump and a drainage feed pump, a microprocessor controller for the nutrient solution supply and return the electromagnetic valve in positive / drainage mixed with water culture bed in the system to the mixing tank, respectively control,

Patent Document 2 discloses a crop cultivation apparatus for cultivating a plant by irrigation or nutrient solution cultivation. The crop cultivation apparatus has an open upper part and a reservoir inside. The reservoir has a rectangular low reservoir for storing irrigation water or nutrient solution, The lower side is submerged in the lower reservoir of the lower reservoir and has a plurality of through holes for supplying water or nutrient solution to the upper reservoir on at least one side, And sliding means for slidably holding the cultivation vessel and the cultivation vessel slidable along the major axis direction of the low receptor and sliding the cultivation vessel,

Patent Document 3 discloses a method of recycling a nutrient solution for withdrawing a wastewater discharged from a cultivation medium by being connected to a cultivation medium of a nutrient solution cultivation apparatus, wherein the raw water, the fertilizer component and the acidity of the wastewater according to the acidity and the electric conductivity value of the wastewater discharged from the cultivation medium The present invention relates to a method for recycling the nutrient solution cultivation and withdrawing water, in which various kinds of minerals or useful microorganisms are supplied to a cultivation or cultivation medium.

Although some of these conventional nutrient solutions for nutrient cultivation have the advantage of more accurate control of nutrient supply, control of such devices or controllers requires the administrator to reside in the cultivation facility, There is a problem that can not work.

In addition, the cultivation of the facility is susceptible to the environmental problems of the crops cultivated by the technology, but the environment near the cultivation facility can not be accurately grasped, so that it was difficult to cope with the cultivation conditions of the crop in accordance with the environment.

In addition, the conventional controller of the nutrient solution supply system has a problem in that it can not monitor the control contents and the result at once.

Korean Patent No. 10-0470453 Korean Patent No. 10-0570729 Korean Patent No. 10-1021350

The present invention has been developed in order to solve the problems of the related art as described above, and it is an object of the present invention to provide a system and method for remotely maintaining a nutrient solution supply system through a remote control terminal using information communication technology, And it is possible to reduce the purchase cost of the nutrient solution by the farmer as the nutrient solution discharged from the cultivation facility is collected and recycled as well as to prevent the pollution of the environment by the nutrient solution It is an object of the present invention to provide a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system.

In particular, it is an object of the present invention to provide a control controller for a nutrient solution recycling and environment control hybrid type nutrient solution supply system controllable by using a computer of a management room, a mobile terminal or a remote computer, and setting various environments.

It is another object of the present invention to provide a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system, which enables easy visual confirmation of control data and results.

According to another aspect of the present invention, there is provided a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system, comprising: a raw water tank for storing purified water; A plurality of liquid pots 22a to 22b for storing various kinds of nutrient solutions mixed with the purified water supplied from the raw water tank and a liquid pot supplied from the liquid pots and liquid pots supplied from the raw water tank, And controlling the driving of the liquid mixer installed in the piping connected between the mixing tank and the liquid tank and the purified water tank to control the amount of liquid to be supplied to the mixing tank and the amount of the raw water and sending the mixed liquid to each cultivation facility A nutrient supply controller including a motor and a motor controller for discharging and recovering the nutrient solution from the respective cultivation facilities, And a plasma or UV sterilizer installed in the drain tank to sterilize bacteria contained in the recovered nutrient solution; A remote control terminal for performing a wire / wireless communication with the nutrient solution supply controller constituting the nutrient solution supply device to control the supply of the nutrient solution supply; And an environmental sensing device that is installed outside or inside the cultivation facility to control the environment of the cultivation facility so as to supply a nutrient suitable for the environment and to sense the environment around the cultivation facility. The integrated controller controls the nutrient solution supply amount controlled by the nutrient solution supply controller by dividing the sensed environment information into the normal mode and the astronomical mode based on the environmental information detected by the environment sensing device, The normal mode is a mode for setting a schedule with a period of time, and the astronomical mode is a mode for calculating a schedule by calculating the time during which the sun goes up and down for a year. The system main screen has a plurality of valve selection buttons, To select the desired valve, pump and nutrient solution to control them. The valve setting screen includes a plurality of setting wheels and setting buttons at a lower portion of the valve setting display screen at the upper part. The setting buttons include a supply valve addition, a valve setting modification, a valve setting deletion, a valve setting storage, The setting wheel includes a valve wheel for selecting a valve to be supplied, a supply setting wheel for setting whether the selected valve is supplied with a nutrient solution, an alkali hydraulic wheel for setting whether to use the alkaline solution when supplying the selected valve, A supply cycle wheel for setting a cycle for supplying the nutrient solution to the selection valve, a simultaneous valve wheel for further setting the valve when supplying the nutrient solution to the selected plurality of the valves at the same time, A valve open delay wheel that delays the opening of the valve during the time it takes to fill the pipe, When dividing use is characterized in that is provided with a plurality of manure yeomhwil to set up each supplies fertilizer salts.

A nitrate tank in which a liquid component of a nitrogen component necessary for a plant is stored, a potassium tank in which a liquid component of the potassium component is stored, and an acid tank stored in the organic acid solution.

The nutrient solution supply controller includes a database storing information on the type of plant to be cultivated, the growth stage, the type of nutrient solution according to the environmental change, and the fertilizer amount information. The nutrient solution supply controller controls the environment information sensed by the environment sensing device, And a nutrient solution control program for controlling the driving of the nutrient solution supply device so as to supply the nutrient solution in an optimal state to the conditions in comparison with the kind and application amount of the nutritive solution stored in the database.

The environmental sensor includes a solar radiation sensor for sensing solar radiation amount, a rainfall sensor for sensing the amount of rain or snow, a wind speed sensor for detecting the wind speed and direction, a temperature sensor for detecting the atmospheric temperature, A sensor for detecting a soil temperature, a sensor for sensing a temperature of a surrounding plant, a sensor for sensing a temperature of the soil around the plant, a sensor for detecting moisture in the soil, and a sensor for collecting information sensed by the sensor and transmitting the sensed information to the nutrient supply controller Device.

The mixing tank includes an ion sensor for sensing the concentration of inorganic ions in the mixed nutrient solution, a pH sensor for detecting the acidity, an electric conductivity sensor for measuring the concentration of inorganic nitrogen in the mixed nutrient solution, a nitric acid sensor , A potassium sensor that detects the concentration of potassium in the nutrient solution, and a temperature sensor that senses the temperature of the nutrient solution.

Inside the cultivation facility, a monitoring device for observing the condition of the plant is further provided.

The present invention relates to a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system by controlling the nutrient solution supply device using a nutrient solution controller provided in a cultivation facility and remotely monitoring the nutrient solution supply device using a remote control terminal The operator can more easily control the nutrient supply, and the working radius of the operator can be widened, thereby improving the working efficiency.

In addition, the present invention provides an environmental sensing device including sensors for sensing the temperature, wind speed, wind direction, rainfall, geothermal temperature, moisture of the soil, and humidity of the leaf surface on one side of the cultivation facility, And the nutrient solution or moisture can be supplied in accordance with the nutrient solution or the nutrient solution, thereby providing an optimal growth condition for the crop.

In addition, there is also an effect of preventing contamination of crops cultivated due to contamination of circulating recycled nutrient solution by sterilization of the recovered and circulated nutrient solution.

In addition, it is possible to simplify the structure of the plasma or UV sterilizer for sterilizing the recovered and circulated nutrient solution, thereby reducing the cost, reducing the failure rate, and discharging the residue or secondary suspension of the killed bacteria. It is possible to prevent re-contamination of the nutrient solution sterilized by the nutrient solution.

Further, since the setting data and the result data can be collectively visually confirmed, the present invention has the effect of making the environment control more accurate and easier.

1 is a configuration diagram of a nutrient solution supply system controlled by a nutrient solution recycling and environmental control hybrid type controller having a controller according to the present invention
Fig. 2 is a configuration diagram of an environment sensing apparatus constituting a nutrient solution supply system controlled by a nutrient solution recycling and environment control hybrid type controller having a controller according to the present invention
FIG. 3 is a view showing a system standby status screen of a controller for controlling a nutrient solution recycling and environment control hybrid type nutrient solution supply system according to the present invention
4 is a configuration screen of a controller for controlling the nasocomial nutrient solution recycling and environment control mixed nutrient solution supply system according to the present invention
5 is a view showing a supply valve setting screen of a controller for controlling a nasocomial fluid recycling and environment control hybrid nascent nutrient supply system according to the present invention
FIG. 6 is a view showing a screen for setting the start and end of normal operation in the supply schedule setting screen of the controller for controlling the nutrient solution recycling and environmental control hybrid type nutrient solution supply system according to the present invention
FIG. 7 is a schematic diagram showing an example of a screen for setting a supply schedule of a controller for controlling a nutrient solution recycling and environment control hybrid type nutrient solution supply system according to the present invention
8 is a view showing a state in which a detailed schedule of a controller for controlling a nutrient solution recycling and environment control hybrid type nutrient solution supply system according to the present invention is set
FIG. 9 is a view showing a screen for selecting a schedule at astronomical one among supply schedule setting screens of a controller for controlling a nutrient solution recycling and environment control hybrid type nutrient solution supply system according to the present invention
FIG. 10 is a view showing a nutrient solution supply information screen set by the controller for controlling the nutrient solution recycling and environmental control complex type nutrient solution supply system according to the present invention
11 is a view showing a nutrient solution supply result screen controlled by a controller for controlling a nutrient solution recycling and environmental control complex type nutrient solution supply system according to the present invention
12 is a schematic diagram showing a sensor information output screen of a controller for controlling a nutrient solution recycling and environment control hybrid type nutrient solution supply system according to the present invention
13 is an exploded perspective view of a UV sterilizer constituting a nutrient solution supply system controlled by a nasocomial recycling and environmental control combined type controller having a controller according to the present invention
Fig. 14 is a sectional view of a UV sterilizer constituting a nutrient solution supply system controlled by a nasocomial recycling and environmental control hybrid type controller having a controller according to the present invention

The present invention is capable of various modifications and various embodiments, and specific embodiments will be illustrated in the drawings and described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Like reference numerals are used for like elements in describing each drawing. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

The present invention not only remotely maintains the nutrient solution supply system, but also can monitor the environment around the cultivation facility which changes from time to time to supply the nutrient solution in an optimum state, manage the cultivation facility, , "Drainage") can be effectively recycled.

As shown in FIG. 1, the nutrient solution recycling and environmental control complex type nutrient solution supply system including the integrated controller according to the present invention includes an integrated controller 10, a nutrient solution supply device 20, a remote control terminal 30, Sensing device (40).

That is, the integrated controller for controlling the nutrient solution recycling and environment control hybrid nutrient solution supply system of the present invention is a nutrient solution supply system that is installed in a plant cultivation facility and supplies the nutrient solution to plants. The integrated controller includes: (A) A plurality of liquid pots 22a to 22b for storing various kinds of nutrient solutions mixed with the purified water supplied from the raw water tank and a liquid pot supplied from the liquid pots and liquid pots supplied from the raw water tank, And controlling the amount of the liquid to be supplied to the mixing tank and the raw water by controlling the driving of the liquid mixing mixer provided in the piping connected between the mixing tank and the liquid tank and the purified water tank, A nutrient supply controller (26) including a motor and a motor controller for sending and receiving the nutrients to the facility, a drain tank (2) for storing the discharged liquid discharged and recovered from each cultivation facility 5), and a plasma or UV sterilizer (27) installed in the drain tank and sterilizing bacteria contained in the recovered nutrient solution; (B) a remote control terminal (30) for wired / wireless communication with the nutrient supply controller (26) constituting the nutrient solution supply device to control supply of the nutrient solution supply; And (C) an environmental sensing device (40) which is installed outside or inside the cultivation facility to sense the environment around the cultivation facility so as to supply nutrients suitable for the environment and to control the environment of the cultivation facility. Is an integrated controller (10) for controlling each controller and apparatus of the nutrient solution recycling supply system.

The nutrient solution supply device 20 is similar to a conventional nutrient solution supply device, and includes a drainage tank 25 for collecting and recycling drainage discharged by the plant when it is supplied to the plant in the cultivation facility, The plasma or UV sterilizer 27 is provided.

The plasma sterilizer may use a conventional plasma sterilizer that releases sterile ions to remove harmful substances such as bacteria and viruses.

First, the overall structure of the nutrient solution supply device 20 will be described.

1, the nutrient solution supply device 20 includes a raw water tank 21 in which a purified water is stored, a plurality of liquid storage tanks 22a to 22d storing various kinds of nutrient solutions mixed with the purified water supplied from the raw water tank, A mixing tank 24 for mixing nutrients supplied from the raw water tank and the liquids supplied from the liquid pots to produce nutrients suitable for the plants, And a motor controller, a drainage tank (25) for storing discharged nutrient solution discharged and recovered from each cultivation facility, and a bacteria contained in the drainage which is installed in the drainage tank and is recovered into the drainage tank And a plasma or UV sterilizer 27 for sterilizing the liquid.

The raw water tank 21 is a tank for storing purified water for purifying the ground water or river water and a piping connected to the mixing tank is provided with a feed pump for controlling the amount of raw water supplied to the mixing tank under the control of the nutrient solution supply controller .

The liquid pot mixers 20v are provided in the piping connected between the liquid pots 22a and 22b and the mixing tank. The liquid mixer 20v is a conventional pump And the driving of the liquid mixer 20v is controlled by the control of the nutrient solution supply controller 26 so that the amount of liquid to be supplied to the mixing tank 24 is regulated.

As described above, the mixing tank 24 is a tank for storing a nutrient solution in which water and liquid solutions are mixed at an optimal mixing ratio desired by a plant. As described above, the amount of liquid and purified water supplied to the mixing tank is, And the mixed nutrient solution is supplied to each cultivation facility by controlling the driving of the drain pump provided in the nutrient solution supply controller 26. [

It is necessary to confirm whether the nutrient solution stored in the mixing tank 24 is a nutrient solution desired to be stored in the space in which nutrient solutions containing various liquids mixed with purified water are stored.

Accordingly, the mixing tank 24 is provided with an ion sensor for sensing the concentration of inorganic ions in the mixed nutrient solution, a pH sensor for detecting the acidity, an electric conductivity (EC) sensor for measuring the concentration of inorganic nitrogen in the mixed nutrient solution, A nitric acid sensor for sensing the nitrogen content in the nutrient solution, a potassium sensor for detecting the concentration of the potassium component in the nutrient solution, and a temperature sensor for sensing the nutrient solution temperature.

The signal sensed by each sensor installed in the mixing tank is transmitted to the nutrient solution controller to control the water pump or the liquid mixer installed in each tank against the predetermined nutrient solution to re-mix the nutrient solution with the desired nutrient.

The nutrient solution supply controller 26 is provided for controlling the driving of various devices for supplying nutritive juices, and it has a database in which kinds of plants cultivated, types of nutrients according to growth stages and environment changes, and fertilizer amount information are stored, The environment information detected by the sensing device 40 and the information on the growth state of the plant are compared with the kind and application amount of the nutrient solution stored in the database to control the operation of the nutrient solution supply device so that the nutrient solution is supplied in an optimum condition And a nutrient solution control program.

The drain tank 25 is a tank for collecting and storing the nutrient solution discharged from the nutrient solution supplied to the plants of each cultivation facility without being absorbed by the plants. The drain recovered in the drain tank 25 may contain bacteria in the soil Therefore, it is preferable to dispose the plasma or UV sterilizer 27 on the inlet side of the drain tank to sterilize the drain stored in the drain tank.

The draining liquid stored in the draining tank 25 is collected by the drainage collecting container installed on the bottom of the cultivation facility and is stored by moving the drainage container by a pump or the like. Such drainage contains various foreign substances, and such foreign substances may have bacteria.

Accordingly, the plasma or UV sterilizer 27 is installed to sterilize the drainage stored in the drainage tank.

Of course, the filter is installed in the drain collecting container and the foreign substance is filtered before sending it to the drain tank 25.

As shown in FIG. 1, the UV sterilizer 27 is connected to the drainage tank by a circulation tube so that the drainage stored in the drainage tank 25 can be continuously circulated and sterilized. That is, the drainage of the liquid-draining tank is continuously circulated through the UV sterilizer 27 so that sterilization is performed.

Although the UV sterilizer 27 can be used in place of other various sterilizers, it can simplify the structure, can prevent the dead bacteria from being left, can sterilize bacteria and viruses, and has the acidity and electrical conductivity ), It is preferable to use a UV sterilizer.

As shown in FIGS. 13 and 14, the UV sterilizer 27 has a water inlet 27i at one end thereof and a water outlet 27o at the other end thereof. The sterilizing tank 27 27t); A UV lamp (not shown) which receives power through a power line connected to a cap 27d detachably installed at one end of the sterilization tank and irradiates UV in the sterilization tank to kill bacteria in the waste solution passing through the inside of the sterilization tank 271); A control panel 27c disposed on one side of the sterilization tank for controlling power supplied to the UV lamp; A see-through window 27w installed at one side of the sterilization tank and capable of monitoring the inside of the sterilization tank; And a drain valve 27v disposed at the lower end of the sterilization tank for discharging foreign substances generated in the sterilization process.

The sterilization tank 27t is formed in a vertically erected cylindrical shape. In the interior of the bottom of the drain valve, there is provided a re-contamination prevention means 29 for separating the foreign substances generated in the sterilization process, .

In other words, foreign matter may remain in the drain during the sterilization process or the collection process, and may be prevented from flowing into the mixing tank 24 again, And means (29).

As shown in Fig. 4, the re-contamination preventing means 29 functions to prevent foreign substances from floating and mixing with the drain, and is provided below the inlet 27i of the vertically installed sterilization tank 27t And a reverse flow prevention plate 29r inclined opposite to the discharge slope half is provided on the discharge slash plate 29s for guiding the direction in which the foreign matter sinks so as to sink to one side when the foreign matter in the drainage sinks. do.

That is, as shown in FIG. 4, the discharge swash plate 29s is inclined downward from the opposite side of the inlet 27i toward the center, and the backflow prevention plate 29r is inclined downward from the bottom of the inlet toward the center , A lower end of the backflow prevention plate is positioned in the middle of the discharge swash plate 29s and a clearance is formed between the lower end of the backflow prevention plate and the middle of the discharge swash plate 29s so as to slide in this gap, So that it is prevented from being floated by the two swash plates.

The remote control terminal 30 is provided to remotely monitor and control the amount of nutrient solution supplied to each cultivation facility by the nutrient solution supply device 20 and the condition of the plant cultivated in the cultivation facility. The terminal 30 may be a conventional computer or a portable terminal.

The remote control terminal 30 is provided with the same nutrient solution control program or nutrient solution control application (hereinafter referred to as "nutrient solution control program") as the nutrient solution supply controller 26, The main screen of this program or application is configured as shown in Fig.

5, the nutrient solution control program is provided with a window for displaying environmental information, supply information, supply state, drainage state, and information of each tank, The detected environment information can be displayed.

6 to 14 are screens displayed by the nutrient solution control program, FIG. 5 is a system standby screen of the controller for controlling the nutrient solution recycling and environment control hybrid type nutrient solution supply system according to the present invention, and FIG. 7 is a view showing a supply valve setting screen of a controller for controlling a nutrient solution recycling and environment control complex nutrient solution supply system according to the present invention, Fig. 8 is a view showing a supply valve setting screen of a controller for controlling a nutrient solution recycling and environment control complex nutrient solution supply system control, Fig. 9 is a screen for setting the supply schedule of the controller for controlling the nasocomial recycling and environmental control complex nasopharynx supply system according to the present invention, and Fig. Fig. 10 is a view showing a screen for adding a function for recycling the nutrient solution according to the present invention Fig. 11 is a screen for displaying a state in which a detailed schedule is set in a time period of a normal time of a controller for controlling a nascent nutrient supply system, Fig. 11 is a screen for setting a supply schedule of a controller for controlling a nutrient solution recycling and environment control complex nutrient solution supply system according to the present invention 12 is a nutrient solution supply information screen set by a controller for controlling the nutrient solution recycling and environmental control complex type nutrient solution supply system according to the present invention, Fig. 13 is a view showing a nutrient solution supply screen set by the present invention Fig. 14 is a sensor information output screen of a controller for controlling a nasocomial recycling and environment control hybrid type nutrient solution supply system according to the present invention, which is controlled by a controller for controlling a nutrient solution recycling and environment control complex nutrient solution supply system according to the present invention.

That is, as shown in Fig. 1, a solenoid valve 28 for controlling the flow of the nutrient solution is provided for each cultivation facility or each cultivation line of each cultivation facility. As shown in Fig. 7, , The open time can be set in advance according to the schedule of the nutrient supply cycle or the supply time depending on the type of plant or growth condition to be cultivated in the cultivation facility.

Further, the nutrient solution control program can set additional options as shown in Figs.

That is, it is possible to add a function of adjusting the predetermined nutrient supply setting schedule based on the environmental information sensed by the environment sensing device 40.

Of course, the nutrient solution control program can control the sterilization treatment time of the drainage and whether or not the drainage is supplied, and has a function of appropriately adjusting the usage amount and the production amount for each% of drainage.

The environment sensing device 40 is provided outside or inside the cultivation facility so as to supply nutrients suitable for the environment and to control the environment of the cultivation facility and to sense the environment around the cultivation facility. A rainfall sensor 42 for detecting the amount of rain or snow, a wind speed sensor 43 for detecting the wind speed and direction, a wind speed sensor 43 for detecting the wind speed, A temperature sensor 44, a humidity sensor 45 for sensing the humidity in the atmosphere, a geothermal sensor 46 for sensing the temperature around the cultivation facility, a soil moisture sensor 47 for sensing moisture in the soil, A leaf surface wetting sensor 48 for detecting the surface humidity of the mouth of the plant, and a data collecting device 49 for collecting information sensed by the sensors and transmitting the sensed information to the nutrient supply controller 26 by wire or wire.

The solar radiation sensor 41, the rainfall sensor 42, the wind direction sensor 43, the temperature sensor 44, the humidity sensor 45, the temperature sensor 46 and the soil moisture sensor 47 are connected to the outside And the leaf surface wetness sensor 48 is installed on the leaf of the cultivated plant to sense the moisture of the leaf, thereby detecting the lack of water in the plant.

The data collection device 49 transmits sensed sensed information from the sensors to the nutrient supply controller 26 and the remote control terminal 30.

In addition, the controller for controlling the nutrient solution recycling and environmental control complex type nutrient solution supply system according to the present invention further comprises an acid tank 23 stored in the organic acid solution necessary for the plant to supply the organic acid to the nutrient solution when the nutrient solution is low in acidity , Which is also supplied to the mixing tank under the control of the nutrient solution supply controller, can be controlled by the ion sensor, the pH sensor, the electric conductivity (EC) sensor, the nitric acid sensor, It is based on the measured value detected by the potassium sensor.

Also, as shown in FIG. 1, a monitoring device 50 for observing the state of plants is further provided in the cultivation facility, and the monitoring device can be a camera.

The integrated controller 10 divides the environmental information sensed by the environment sensing device 40 into a normal mode and an astronomical mode based on the environmental information, controls the amount of nutrient solution to be supplied by the nutrient supply controller 26, 5, the system main screen includes a plurality of valve selection buttons, a plurality of valve selection buttons, and a plurality of valve selection buttons. A pump selection button, and a plurality of nutrient selection buttons, so that a desired valve, pump, and nutrient solution can be selected and controlled.

As shown in FIG. 5, the standby state screen of the integrated controller of the present invention displays the sunrise time and the system time of the day at the top of the screen. The information displayed on the system main screen includes environmental information, supply information, supply status, drain status, EC / pH, load status, and supply execution rate.

The environmental information includes the sensor value installed in the system, the current value of the NO 3 - ion sensor installed in the supply line, the current value of the K + ion sensor installed in the supply line, the present value of the NO 3 - ion sensor installed in the drainage tank line, The present value of the K + ion sensor installed in the greenhouse, the current value of the solar radiation sensor installed in the greenhouse, the integrated amount of solar radiation exceeding the integrated reference radiation amount set in the configuration tab, the integrated amount of solar radiation accumulated for the time set in the environment setting tab, The current value of the temperature sensor installed, and the current value of the water content sensor installed in the soil or the medium.

The supply information includes today's supply information and current supply information from the start of the system, including the number of times supplied today, the flow rate supplied today, the total number of times supplied from the day the supply was started, The total flow, the number of days elapsed from the date of commencement of the supply, and the date of commencement of the supply for the first time.

The supply status information is information on the nutrient supply, which includes the valve in the zone being supplied, the schedule ID assigned to the supply valve, the valve (zone) to be supplied simultaneously with the valve being assigned to the valve (zone) Time when the current time is greater than the current time).

The drainage status information is information related to the treatment status of the drainage, the sterilization time, the drainage supply flow rate, and the drainage / draining treatment tank water level, and the drainage treatment status is a status in which the drainage solution is discharged at the time of withdrawal and is sent to the drainage treatment tank . The number of times of withdrawal / withdrawal is the number of times of withdrawal and withdrawal, and the UV sterilization time is the time of UV sterilization of the nutrient solution collected in the drainage treatment tank. The supply flow rate represents the flow rate of the UV sterilized drainage to the actual cultivation area.

A state in which the drainage recycling setting is canceled in the drainage tank state, a state in which drainage is collected in the drainage treatment tank, a state in which the drainage liquid in the drainage treatment tank is sterilized, a supply state is such that the nutrient solution in the drainage treatment tank is sterilized In the state of being supplied to the cultivation area, the atmosphere is sterilized and waiting for supply of the nutrient solution in the drainage treatment tank, and the drainage Tk / drainage Tk is the drainage tank level and the drainage tank level at the cultivation area.

The EC / pH is the present value, the supply valve setting value, the actual supply value by EC control, and the current value of the drainage tank.

The load status indicates the pump and valve operation status. When the manual operation is possible, the manual operation is indicated. When the manual operation is not possible, the manual operation is disabled.

The supply progress rate indicates the elapsed time (equal to the supply flow rate) of the supplied time with respect to the set supply time.

Coordinates indicate a 30-minute change in the main sensor.

As described above, the supply information displayed on the main screen can be reset by displaying a reset button as necessary.

The coordinates can be viewed in full screen with the LARGE button, and only the required sensors can be displayed by selecting any of the sensor buttons at the top of the coordinate. It is displayed when button color is red, but not when it is black.

Fig. 6 can set various conditions on the environment setting screen.

The conditions that can be set in the configuration screen are as follows.

The drainage recycling setting (release / setting) sets whether or not the drainage is recycled, and the operation (standby / sterilization) after the sterilization is completed sets the operation after the set drainage sterilization time has elapsed.

The setting of the disinfection start water level (heavy water level / high water level) sets the level of the liquid treatment tank to start the sterilization treatment and the setting of the integrated solar radiation application (release / setting) sets whether or not the supply schedule operation is performed by the accumulated solar irradiance. (Disable / Set) sets whether or not the EC control to be set at the bottom of the screen is to be operated.

A / B / C / D / E / F / acid solution / alkali solution use (release / use) sets the use of the solution Or not. Even if EC / pH is set in the supply schedule, EC / pH is supplied unregulated if this item is off. The C / D / E / F liquid is set as a sterilization linkage for liquids related to drainage.

The setting of the use of the liquid stirrer sets whether to use the agitator when the agitator is installed, the correction value for the sensor output value is set when the sensor output value needs to be corrected, and the EC control based on the integrated solar irradiance is based on the reference integrated solar irradiance on the cloudy day, Set the accumulated solar irradiance and add the cloudy edge EC set in the supply valve when the cumulative solar irradiance for the set time before the supply is below the standard value. . EC adjustment time can be set to limit the application time.

The disinfecting sterilization time is set by setting the disinfection time of the drained water in the waste disposal tank, and the integrated standard solar radiation setting is a reference value of the integrated solar radiation amount, and a solar radiation amount that does not affect the photosynthesis of the crop is set So that the error of the integrated solar radiation amount can be reduced.

The limit of total area supply is set to limit the supply of nutrients by one nutrient supply system and the number of times of supply limit shall be set when limiting the number of times of feeding to the entire cultivation area. 0, there is no limit operation, and the limit number of times to be set on the supply valve is applied only to the corresponding valve.

The supply time limit is a function that limits the time to be supplied to the entire cultivation area. There is no limit operation at 0, and the time limit set on the supply valve is applied only to the corresponding valve.

The supply limiting flow restricts the flow rate supplied to the entire cultivation area. At zero, there is no limit operation. The limiting flow set at the supply valve is applied only to the corresponding valve.

The supply interval limit range is the function to set the minimum interval and the maximum interval to be supplied to the same zone. Even if it meets the standard of supply based on integrated solar irradiance or the standard of water supply, Or when the water content criterion is not suitable even after the maximum interval time, the supply is progressed at the maximum interval time, thereby minimizing the problem of frequent supply and delay of supply too much.

In case of rainfall, the range of the supply interval limit is applied when the range of the supply interval limit is a clear day, and the range of the supply interval limit to be applied at the time of rainfall is set.

Interval Adjustment The duration of rainfall sets the minimum interval set in the schedule at the time of rainfall and the duration of the rainfall that increases the maximum interval.

The EC / pH / total solar radiation / water content limit range is a safety device for limiting the values set in the schedule and setting a valid range to prevent erroneous values from being entered in the schedule.

The operation / atmosphere of the liquid stirrer is periodically operated when the stirrer is installed. When the operation / standby setting is 0, the stirring operation is automatically performed when the liquid is supplied.

To change the system time, the current system time is displayed in normal time. To change the time, press the change button to switch to the input state, input the time, press the input button and press the change button. To change the date, enter the value of the day of the week that matches the date on the day of the week.

Fig. 7 is a screen for setting the driving of each valve. As shown in the figure, the valve setting screen has a plurality of setting wheels and a setting button at a lower portion of the upper valve setting display screen.

The valve setting screen has a number of wheels at the bottom. The wheel is moved up and down to set the desired value at the center, and the supply valve addition button is added to the data grid.

If you modify the added valve setting by touching the row of the corresponding valve when there are several rows, the set value of the corresponding valve is applied to the wheel at the bottom, and after modifying the wheel of the item to be corrected, Is modified.

To delete the set valve, touch the row of the valve to be deleted and press the valve setting delete button to delete the corresponding valve row. After completing the addition, modification and deletion, the valve setting saving button must be clicked.

 The valve (zone) wheel selects the valve (zone) to be supplied, the supply setting wheel sets whether or not the selection valve is supplied with liquid, and the alkaline liquid wheel sets whether or not to use the alkaline liquid when the selection valve is supplied. By setting the schedule ID to be applied to the selection valve, the detailed schedule must be registered in the set schedule ID.

The supply cycle wheel sets the number of cycles (days) to supply the nutrient solution to the selector valve. It is set to 1 every day, and when set to 2, it is supplied every 2 days. This function can set and supply nutrient setting value by time zone, cycle and valve when nutrient solution is supplied to one or several bed.

Simultaneous V-Wheels can be set for additional valves at the same time when supplying the selected valve, for narrower areas than other areas, or for special reasons to supply at the same time.

The valve delay open wheel is used to delay the opening of the valve for the time to fill the piping when the selector valve is away from the nutrient solution system, and the C / D / E / The set value is set as the ratio of A / B liquid. When 100% setting is equal to the opening time of A / B liquid valve and less than 100% The opening time of the A / B liquid valve is less than the opening time.

The number limiting wheel is for limiting the number of times to supply to the selector valve. It is set to 0 if not limited, and the time limiting wheel is for limiting the time for supplying to the selector valve. The flow limiting wheel is intended to limit the flow rate supplied to the selector valve.

On the cloudy day, the EC wheel sets the EC to be applied on the cloudy day when the EC control setting according to the accumulated solar energy set in the configuration tab is satisfied, and the EC wheel according to the accumulated solar energy set on the environmental setting tab on the clear day In case of a clear day, set EC to apply.

As described above, the present invention has a normal mode and an astronomical mode, and the supply schedule is set differently according to the mode.

FIGS. 8 and 9 are screens for setting the supply schedule in the normal mode. FIG. 8 shows a case where only the start and the end are set. FIG. Is set to several.

11 is a screen in which a schedule is set in the astronomical mode, which can be set according to information sensed by the environment sensing device.

As shown in FIG. 11, in the astronomical mode, the sunrise time and the set astronomical hour are displayed at the upper part, and the wallpaper is changed to the dark yellow color and displayed.

In FIG. 11, the application start time of the detailed schedule selected on the screen is set to 02:00 at astronomical time, and astronomical 02:00 and sunrise time 06:32 are added, and normal time 08:32 is displayed.

The maximum number of schedule schedules that can be set is about 20, and a desired number of detailed schedules can be set for each schedule, but it is preferable to limit the number of detailed schedules that can be used to 10.

Schedules 1 to 10 are dedicated to astronomical mode, and schedules 11 to 20 can be used only for normal mode.

The used detailed schedule is located at the front, and the disabled detailed schedule is arranged at the rear and can be automatically aligned to the application start time.

Move the bottom wheel up and down to set the desired value in the center, and click the Add Detail Schedule button to add it to the data grid. If you want to modify the additional detailed schedule settings, touch the detailed schedule line you want to edit When moving, the setting value of the detailed schedule is applied to the lower wheel, and the wheel of the item to be modified is modified, and the modification of the detailed schedule is performed by pressing the button.

To delete the registered detailed schedule, touch the detailed schedule line to be deleted and click the Delete detailed schedule button to delete the detailed schedule line. After completing the addition, modification and deletion, be sure to click the detailed schedule 00 save button Should be.

The schedule selection wheel selects the schedule to be set. When the selected schedule is changed, the saved schedule is displayed in the data grid.

The use wheel is used to set whether to use the detailed schedule in the selection schedule.

The supply trigger wheel has the designated time, the time interval, the integrated solar radiation, the moisture content, and the supply end as the selection items, and the designated time is set to the detailed schedule supplied only once at the application start time, and the supply interval setting is ignored.

The time interval is set to the schedule that is supplied once after the application start time and after every supply interval. If there is no integrated solar and water content setting, the minimum interval and maximum interval are ignored. However, Must be set.

When the detailed schedule selected for the integrated schedule is the first item, the integration date is supplied only once at the application start time, but if it is set to the second or subsequent item, it is supplied only when the integrated amount of solar radiation supplied after the previous detailed schedule is satisfied, , The minimum interval and the maximum interval must be set.

Moisture content is supplied only once at the application start time when the detailed schedule selected for the moisture content is the first item, but only when it is satisfied after the moisture content supplied from the previous detailed schedule if it is set to the second or later item. The minimum interval and the maximum interval must be set in the detailed schedule where the water content is selected.

The time-flow wheel is used to select the supply criterion in either time or flow, and the EC wheel selects Apply to regulate the EC of the feed nutrient solution, or Off to disable it.

The pH wheel selects Apply to adjust the pH of the feed nutrient solution, or Off to disable the adjustment.

The drain wheel selects Apply to add drainage to the feed nutrient, or Off to not add it.

The solar wheel is applied as a supply trigger, regardless of whether it is selected or not, and the integrated solar radiation serves as a supply trigger. If the supply rate or time interval is selected as the supply trigger and the solar radiation is applied, the integrated solar radiation assists the supply trigger. In case of detailed schedule with water content rate is more than or less than the set solar radiation rate, or if the time interval is more than the total solar radiation amount in the case of detailed schedule in which the time interval is the supply trigger, and the minimum interval is exceeded, If not satisfied, it is supplied according to the supply interval. If water content or time interval is selected as feed trigger, and water factor is not applied, water content is selected according to feed rate, minimum interval / maximum interval when feed rate is selected, and feed interval when feed interval is set as feed trigger.

Moisture Rate Whether the Moisture Rate is selected as the supply trigger, the Moisture Rate is applied regardless of whether it is selected or not, and the Moisture Rate serves as the supply trigger.

The rainfall wheel selects Apply to limit the amount of rainfall, or Off to disable it.

Applied Time (Astronomic / Normal Time) The wheel sets the desired time for supplying the applicable detailed schedule.

The supply time wheel sets the supply time to be applied when the time of the time flow is selected in the corresponding detailed schedule.

The minimum interval must be set when the totalizer and water content settings are added.

The supply flow wheel sets the applied supply flow rate when the flow rate is selected during the time flow in the corresponding detailed schedule.

The Feed Spacing Wheel sets the feed interval to be applied when the time interval is selected as the feed trigger of the corresponding Fives schedule.

The EC setting wheel sets the applied supply EC when EC application is selected in the corresponding detailed schedule.

The pH setting wheel sets the applied supply pH when the pH application is selected in the corresponding schedule.

The drain wheel sets the supply ratio of drain applied when drain application is selected in the corresponding detailed schedule. The supply rate applies to the supply time or to the supply flow rate. That is, when the supply time is set to 2 minutes and the drainage rate is 30%, the drainage is supplied for 0.6 minutes (36 seconds).

The integrated solar wheel sets the integrated supply standard integrated solar irradiance when applied solar is selected as the supply trigger in the corresponding schedule. Even if the moisture content or time interval is selected as the supply trigger, it is applied as integrated solar radiation, which plays a supporting role.

The Moisture Wheel sets the feedrate moisture content rate applied when the Moisture Rate is selected as the feed trigger in the corresponding schedule. Even when the integration date or time interval is selected as the supply trigger, it is applied as the water content that serves as an auxiliary.

The rainfall wheel sets the supply rate to be applied when rainfall is selected in the corresponding schedule. The supply rate can be set to the supply time or the set rate relative to the supply flow rate. That is, if the supply time is set to 2 minutes and the supply rate is 60%, the supply time is adjusted to 1.2 minutes (72 seconds). It is not supplied when rainfall is applied and the rainfall rate is zero.

The minimum interval wheel is the minimum time interval in which the supply interval is maintained by delaying the supply until the cumulative date or water content is selected as the supply trigger in the corresponding schedule, even if the cumulative date or water content is satisfied.

The maximum interval wheel is the maximum time interval for which the supply interval is maintained by continuing the supply even if the integration date or water content is not satisfied until the maximum interval time from the previous supply time is selected when the integration date or water content is selected as the supply trigger in the corresponding schedule.

12 is a set supply data display screen. Regardless of the valve sequence, the feed valve settings and the detailed schedule settings applied at the time of delivery within the schedule assigned to the feed valve are stored together with each feed. You can check the setting information of the desired date by moving the date with the button at the bottom.

14 is a supply information screen showing a result of supplying nutrient solution according to the set schedule as described above. The supply information accumulated for each valve is displayed for each supply time, and the supply information of the date when the date is moved by the button at the bottom can be confirmed. It is possible to confirm whether or not the supply is normally performed by comparing with the supply data of FIG. have.

10: Integrated controller
20: nutrient feeder
21: raw water tank 22a to 212b: liquid tank 22k: potassium tank
22n: Nitric acid tank
23: acid tank
24: mixing tank 25: drainage tank 26: nutrient supply controller
27: UV sterilizer 27d: plug 27t: sterilization tank
27i: inlet 27o: outlet 27c: control panel
27l: UV lamp 27s: stand 27w: see-through window
27v: drain valve
28: Solenoid valve
29: Re-pollution prevention means
29s: Discharge swash plate 29r:
30: remote control terminal
40: Environmental sensing device
41: Solar radiation sensor 42: Rainfall sensor 43: Wind direction wind speed sensor
44: Temperature sensor 45: Humidity sensor 46: Temperature sensor
47: soil moisture sensor 48: leaf surface wetness sensor
49: Data collection device
50: Monitoring device

Claims (6)

(EN) A nutrient solution supply system which is installed in a plant cultivation facility and supplies a nutrient solution to a plant. The nutrient solution supply system comprises (A) a raw water tank (21) in which a purified water is stored, A mixing tank (24) for mixing the liquids supplied from the raw water tank and the liquids supplied from the liquid tank to make a nutrient solution suited to the plant, a type of plant to be cultivated, And information on the growth state of the plant is compared with the type and amount of the nutrient solution stored in the database, and the information on the optimum condition of the nutrient solution And a nutrient solution control program for controlling the driving of the nutrient solution feeding device so that the nutrient solution is fed into the mixing tank, A nutrient supply controller (not shown) including a motor and a motor controller for controlling the driving of a liquid mixer provided in a pipe connected between purified water tanks to control the amount of liquid to be supplied to the mixing tank and the raw water, 26), a drain tank (25) storing the discharged liquid to be discharged and recovered from each cultivation facility, and a plasma or UV sterilizer (27) installed in the drain tank to sterilize bacteria contained in the recovered nutrient solution A feeding device 20; (B) a remote control terminal (30) for wired / wireless communication with the nutrient supply controller (26) constituting the nutrient solution supply device to control supply of the nutrient solution supply; (C) a solar radiation sensor 41 for detecting the solar radiation amount, a rainfall sensor 42 for sensing the amount of rain or snow, a wind speed sensor 43 for detecting the wind speed and direction, A humidity sensor 45 for sensing the humidity in the air, a geothermal sensor 46 for sensing the temperature around the rehabilitation facility, a soil moisture sensor 47 for sensing the moisture contained in the soil, And a data collecting device 49 for collecting information sensed by each sensor and transmitting the sensed information to the nutrient supply controller 26 through wired / wireless lines, so as to supply nutrients suitable for the environment and control the environment of the cultivation facility An integrated controller (10) for controlling each controller and apparatus of a nutrient solution recycling supply system of an institutional cultivation including an environment sensing device (40) installed outside or inside a cultivation facility and sensing the environment around the cultivation facility,
The integrated controller 10 divides the environment information sensed by the environment sensing device 40 into a normal mode and an astronomical mode based on the environment information to control the amount of nutrient solution to be supplied by the nutrient solution supply controller 26,
In normal mode, the ambient temperature is in the range of 23 to 26 ° C and the sunrise mode. The astronomical mode is the sunset mode when the ambient temperature is below 23 ° C and the temperature is above 26 ° C.
The system main screen has a plurality of valve selection buttons, a plurality of pump selection buttons, and a plurality of fluid selection buttons to select and control desired valves, pumps, and nutrients,
The valve setting screen has a plurality of setting wheels and setting buttons at a lower portion of the upper valve setting display screen,
The setting buttons are: Add Supply Valve, Modify Valve Settings, Delete Valve Settings, Save Valve Settings, Select Manual Feed Button,
The setting wheel includes a valve wheel for selecting a valve (zone) to be supplied, a supply setting wheel for setting whether or not to supply the selected liquid to the selected valve, an alkali liquid wheel for setting whether to use the alkaline liquid when the selection valve is supplied, A supply schedule wheel for setting a period for supplying the nutrient solution to the selection valve, a simultaneous valve wheel for further setting the valve when the nutrient solution is simultaneously supplied to the selected plurality of the valves, A valve opening delay wheel for delaying the opening of the valve during the time of filling the piping if present, a plurality of fertilizing salt wheels for setting the supply of each fertilizer salt when using a plurality of divided fertilizer salts,
A nitrate tank (12n) containing a liquid component of a nitrogen component necessary for plants, a potassium tank (12k) storing a potassium component solution, and an acid tank (13) stored in an organic acid solution. An integrated controller for supply system control,
In astronomical mode, the sunrise time and the set astronomical time are displayed at the top of the screen, the desktop is changed to another color, and when the application start time of the selected detailed schedule is set to astronomical time, Wherein the nutrient solution is mixed with the nutrient solution. delete delete delete The method according to claim 1,
The mixing tank 24 is provided with an ion sensor for sensing the concentration of inorganic ions in the mixed nutrient solution, a pH sensor for detecting the acidity, an electric conductivity (EC) sensor for measuring the concentration of the inorganic nutrient in the mixed nutrient solution, A potassium sensor for sensing the concentration of potassium component in the nutrient solution, and a temperature sensor for sensing the temperature of the mixed nutrient solution, wherein the integrated controller for controlling the nutrient solution recycling and environment control hybrid nutrient supply system is further provided. 6. The method of claim 5,
And a monitoring device (40) for observing the state of the plant is further provided in the cultivation facility. The integrated controller for controlling the nutrient solution recycling and environment control hybrid type nutrient solution supply system.

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