WO2021107673A1 - Smart farm control system capable of controlling concentration of nutrient solution according to growth cycle - Google Patents

Smart farm control system capable of controlling concentration of nutrient solution according to growth cycle Download PDF

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Publication number
WO2021107673A1
WO2021107673A1 PCT/KR2020/017053 KR2020017053W WO2021107673A1 WO 2021107673 A1 WO2021107673 A1 WO 2021107673A1 KR 2020017053 W KR2020017053 W KR 2020017053W WO 2021107673 A1 WO2021107673 A1 WO 2021107673A1
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WO
WIPO (PCT)
Prior art keywords
nutrient solution
plant
tank
raw water
controlling
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PCT/KR2020/017053
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French (fr)
Korean (ko)
Inventor
안종욱
홍석용
권기현
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주식회사 올릭스
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Publication of WO2021107673A1 publication Critical patent/WO2021107673A1/en

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G31/02—Special apparatus therefor
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
    • A01C23/007—Metering or regulating systems
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G7/00—Botany in general
    • A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
    • A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/02—Agriculture; Fishing; Mining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G31/00—Soilless cultivation, e.g. hydroponics
    • A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14—Measures for saving energy, e.g. in green houses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures

Definitions

  • the present invention relates to a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle so that the concentration of a nutrient solution required for each growth cycle of a plant and a plant nutrient can be accurately supplied.
  • the smart farm system In the case of the smart farm system, it aims to cultivate the best plants by creating an environment necessary for plant growth in a closed space and continuously supplying nutrients.
  • An object of the present invention is to provide a smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle and controlling the concentration of nutrient solution for each growth cycle to maintain plant cultivation in an optimal state by accurately supplying the concentration of nutrient solution and plant nutrients required for each growth cycle of plants.
  • the purpose is to store a picture of a plant according to the growth cycle of a plant, to obtain a picture of a plant in an actual cultivation environment, to compare and analyze it, and to accurately supply a concentration of a nutrient solution and a plant nutrient.
  • the present invention has been devised to solve the above problems and provides the following problem solving means.
  • the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the present invention emits light in a wavelength band that promotes plant growth through the LED light 21 located on the upper part, and a cultivation tank that accommodates the nutrient solution for plant cultivation ( 20); a raw water tank 12 for receiving and storing raw water; a nutrient solution tank 14 connected to the raw water tank and storing while controlling the concentration of the nutrient solution; a nutrient supply unit 17 for supplying plant nutrients to the nutrient solution tank 14; a low-temperature plasma generator 15 for sterilizing the nutrient solution coming out of the nutrient solution tank 14; a microbubble generator 16 that microbubbles the nutrient solution and supplies it to the cultivation tank 20; a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14; a valve controller 31 for controlling the raw water supply pump valve 13; And a server (32) that stores the concentration of the nutrient solution according to the growth cycle of the plant
  • the smart farm control system may further include an image photographing device 23 for photographing the plants in the cultivation water tank 20 , wherein the server is the server 32 and the image photographing device 23 . It is characterized in that the valve controller 31 and the nutrient supply unit 17 are controlled by comparing the photo of the plant stored in the server 32 with the current growth cycle of the plant.
  • the present invention is to maintain plant cultivation in an optimal state by accurately supplying the necessary concentration of nutrient solution and plant nutrients for each growth cycle of plants.
  • FIG. 1 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a first embodiment of the present invention.
  • FIG. 2 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a second embodiment of the present invention.
  • FIG. 3 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a third embodiment of the present invention.
  • FIG. 4 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a fourth embodiment of the present invention.
  • the present invention provides the following problem solving means in order to solve the above problems.
  • FIG. 1 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a first embodiment of the present invention.
  • the smart farm nutrient solution control system As shown in Figure 1, the smart farm nutrient solution control system according to the present invention, the cultivation tank 20 for cultivating plants by receiving the nutrient solution; a raw water tank 12 for receiving and storing raw water; a nutrient solution tank 14 connected to the raw water tank and storing while controlling the concentration of the nutrient solution; a low-temperature plasma generator 15 for sterilizing the nutrient solution coming out of the nutrient solution tank 14; and a microbubble generator 16 that microbubbles the nutrient solution and supplies it to the cultivation water tank 20 .
  • a raw water pump valve 11 for controlling the amount of raw water flowing into the raw water tank 12; a drain pump valve 27 for controlling the amount of drain discharged from the raw water tank 12; a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14; a nutrient solution recovery pump valve 25 for recovering the nutrient solution from the cultivation water tank 20 and supplying it to the nutrient solution tank 14; a nutrient solution supply pump valve 26 for adjusting the amount of nutrient solution supplied from the nutrient solution tank 14 to the cultivation water tank 20, a water tank drain pump valve 24 for draining the nutrient solution from the cultivation water tank 20; And the raw water pump valve 11 and the drain pump valve 27 according to values measured from a water level sensor (not shown) installed in the raw water tank 12 , the culture water tank 20 , and the nutrient solution tank 14 .
  • the raw water supply pump valve 13 the nutrient solution recovery pump valve 25, the nutrient solution supply pump valve 26, and a valve controller 31 for controlling the water tank drain pump valve 24, These provide overall control over the flow of raw water, drainage, and nutrient solution in the system.
  • the present invention is characterized in that the nutrient solution tank and the raw water tank are operated separately from each other. Through this, there is an advantage that the nutrient solution can be easily recovered and reused, and the entire system can be miniaturized.
  • This system is connected to the manager's terminal through the network, measures the current water level and status of the raw water tank, nutrient solution tank, and cultivation tank and delivers it to the manager.
  • the main feature of the present invention is that the nutrient solution in the cultivation water tank 20 is recovered and reused in the nutrient solution tank 14 through the nutrient solution recovery pump valve 25 . However, in the process of supplying from the nutrient solution tank back to the cultivation tank 20, it is sterilized through the low-temperature plasma generator 15 to remove substances harmful to plant cultivation.
  • the raw water tank 12 and the nutrient solution tank 14 are separated, and the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14 is determined. It is characterized in that the concentration of the nutrient solution is constantly controlled by adjusting.
  • the nutrient solution passes through the microbubble generator 16 before entering the culture water tank 20 to microbubble the nutrient solution particles. Since the microbubble is widely known, a detailed description thereof will be omitted.
  • FIG. 2 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a second embodiment of the present invention.
  • the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the plant growth promoting function of the present invention is located above the cultivation tank 20 in addition to the components of FIG. 1 to promote plant growth. It may further include a bio-block 22 having an LED light 21 emitting light in a wavelength band and emitting far-infrared rays located below the cultivation water tank 20 .
  • the bio-block 22 is preferably formed in a plate shape and evenly arranged on the bottom surface of the cultivation water tank 20 so that far-infrared rays can be uniformly generated through the entire area of the cultivation water tank.
  • the bio-block 22 has a replaceable plate shape and is installed on the bottom surface of the cultivation tank.
  • FIG. 3 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a third embodiment of the present invention.
  • the smart farm control system capable of controlling the nutrient solution concentration for each growth cycle of the plant growth promoting function of the present invention is located above the cultivation tank 20 in addition to the components shown in FIG. 1 or FIG. an image photographing device 23 for acquiring an image of a plant in the water tank 20; It may further include a lighting control unit 33 for controlling the LED light 21 after inferring the plant growth stage based on the plant image.
  • valve controller 31 may further include a function of adjusting the concentration of the nutrient solution by adjusting the amount of the raw water based on the image obtained through the image capturing device 23 .
  • the wavelength and spectrum of LEDs favorable for growth are variously changed.
  • various values are widely known depending on the plant.
  • the present invention has the advantage that it can be applied by variously optimizing the wavelength and spectrum of LED lighting according to such a growth cycle.
  • Such a growth cycle may be calculated for each preset time according to a plant growth time, or a current growth cycle stage may be identified through a plant photograph obtained through an image.
  • the present invention is mainly characterized by controlling the supply amount of the nutrient solution, the components of the added nutrient solution, and the concentration of the nutrient solution according to the growth cycle of the plant.
  • the growth cycle is confirmed through the image capturing device 23 to further increase the accuracy.
  • the growth cycle can be broadly divided into germination-growth-flowering-pollination-fruiting-harvesting stages, and each period can be further subdivided and applied to this system.
  • FIG. 4 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a third embodiment of the present invention.
  • the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the plant growth promoting function of the present invention, in addition to the components of Figures 1 to 3, the concentration of the nutrient solution according to the growth cycle of the plant being grown,
  • a server 32 for storing the amount of nutrients required and plant photos for each growth cycle;
  • a nutrient supply unit 17 for supplying plant nutrients to the nutrient solution tank 14;
  • a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14; and a valve controller 31 for controlling the raw water supply pump valve 13 .
  • the server 32 sends a signal to the valve controller 31 according to the growth cycle of the plant to adjust the amount of the raw water to adjust the concentration of the nutrient solution, and controls the nutrient supply unit 17 to control the nutrient solution tank 14 ) to provide the necessary plant nutrients.
  • the server 32 compares the image obtained using the image photographing device 23 for acquiring the image of the plant in the cultivation tank 20 with the photograph of the plant stored in the server 32 to compare the current growth By determining the cycle, it may further include a function of controlling the valve controller 31 and the nutrient supply unit 17 .
  • the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the present invention further includes a timer 35 that generates and provides a reference time, and all control points of each component can be synchronized through the reference time. let it be

Abstract

The present invention relates to a smart farm control system having the function of promoting the growth of plants and capable of controlling the concentration of a nutrient solution according to a growth cycle. More particularly, the system comprises: a cultivation water tank (20) for accommodating a nutrient solution to cultivate a plant; a raw water tank (12) for receiving and storing raw water; a nutrient solution tank (14) which is connected to the raw water tank and stores the nutrient solution while controlling the concentration thereof; a low-temperature plasma generator (15) for sterilizing the nutrient solution discharged from the nutrient solution tank (14); a microbubble generator (16) which forms the nutrient solution into microbubbles and supplies same to the cultivation water tank (20); an imaging apparatus (23) for acquiring an image of a plant in the cultivation water tank (20); and an illumination control unit (33) for controlling LED lighting on the basis of the acquired image.

Description

생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템Smart farm control system capable of controlling the concentration of nutrient solution by growth cycle
본 발명은 식물의 생육 주기별로 필요한 양액의 농도 및 식물 영양제를 정확하게 공급할 수 있도록 하는 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템에 관한 것이다. The present invention relates to a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle so that the concentration of a nutrient solution required for each growth cycle of a plant and a plant nutrient can be accurately supplied.
최근 IOT를 식물 재배에 적용하는 스마트팜 시스템에 관한 연구가 활발히 진행되고 있다. Recently, research on smart farm systems that apply IOT to plant cultivation is being actively conducted.
스마트팜 시스템의 경우, 폐쇄된 공간에 식물의 생육에 필요한 환경을 조성하고 영양제를 지속적으로 공급하여 최상급의 식물을 재배하는 것을 목적으로 한다. In the case of the smart farm system, it aims to cultivate the best plants by creating an environment necessary for plant growth in a closed space and continuously supplying nutrients.
다만, 현재까지는 단순히 식물의 재배를 위한 양액과 영양분을 공급할 뿐, 이의 활용 효율을 높이기 위한 방법에 대한 연구는 진행되지 않았다. However, until now, research has not been conducted on a method for simply supplying a nutrient solution and nutrients for plant cultivation, and for increasing the utilization efficiency thereof.
본 발명은 식물의 생육 주기별로 필요한 양액의 농도 및 식물 영양제를 정확하게 공급하여 식물 재배를 최적의 상태로 유지하도록 하는 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템을 제공하고자 한다. An object of the present invention is to provide a smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle and controlling the concentration of nutrient solution for each growth cycle to maintain plant cultivation in an optimal state by accurately supplying the concentration of nutrient solution and plant nutrients required for each growth cycle of plants.
또한, 식물의 생육 주기에 따른 식물 사진을 저장하고, 실제 재배 환경에서의 식물의 사진을 획득하여 이를 비교 분석하고, 이에 따른 양액의 농도 및 식물 영양제의 정확한 공급을 목적으로 한다. In addition, the purpose is to store a picture of a plant according to the growth cycle of a plant, to obtain a picture of a plant in an actual cultivation environment, to compare and analyze it, and to accurately supply a concentration of a nutrient solution and a plant nutrient.
본 발명은 상기의 문제를 해결하기 위해 안출된 것으로서 다음의 과제 해결 수단을 제공한다. The present invention has been devised to solve the above problems and provides the following problem solving means.
본 발명의 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템은 상부에 위치되는 LED 조명(21)을 통해 식물 생장을 촉진하는 파장대의 빛을 발산하며, 식물 재배를 위한 양액을 수용하는 재배수조(20); 원수를 공급받아 저장하는 원수조(12); 상기 원수조와 연결되어 양액의 농도를 조절하면서 저장하는 양액조(14); 상기 양액조(14)에 식물 영양제를 공급하는 영양제 공급부(17); 상기 양액조(14)에서 나오는 양액을 살균하는 저온 플라즈마 발생기(15); 상기 양액을 마이크로 버블화시켜 상기 재배수조(20)에 공급하는 마이크로버블 발생기(16); 상기 원수조(12)에서 상기 양액조(14)로 공급되는 원수의 양을 조절하는 원수 공급 펌프 밸브(13); 상기 원수 공급 펌프 밸브(13)를 제어하는 밸브 제어기(31); 및 식물의 생육 주기에 따른 양액의 농도, 필요 영양제의 양, 생육 주기별 식물 사진을 저장하고, 저장 정보에 따라 상기 밸브 제어기(31) 및 상기 영양제 공급부(17)를 수시 제어하는 서버(32);를 포함할 수 있다. The smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the present invention emits light in a wavelength band that promotes plant growth through the LED light 21 located on the upper part, and a cultivation tank that accommodates the nutrient solution for plant cultivation ( 20); a raw water tank 12 for receiving and storing raw water; a nutrient solution tank 14 connected to the raw water tank and storing while controlling the concentration of the nutrient solution; a nutrient supply unit 17 for supplying plant nutrients to the nutrient solution tank 14; a low-temperature plasma generator 15 for sterilizing the nutrient solution coming out of the nutrient solution tank 14; a microbubble generator 16 that microbubbles the nutrient solution and supplies it to the cultivation tank 20; a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14; a valve controller 31 for controlling the raw water supply pump valve 13; And a server (32) that stores the concentration of the nutrient solution according to the growth cycle of the plant, the amount of the required nutrient, and the plant picture for each growth cycle, and controls the valve controller 31 and the nutrient supply unit 17 from time to time according to the storage information. ; may be included.
상기 스마트팜 제어 시스템은 상기 재배수조(20)내 식물을 촬영하는 영상 촬영 장치(23)를 더 포함할 수 있으며, 이때의 상기 서버는 상기 서버(32)는 상기 영상 촬영 장치(23)의 영상과 상기 서버(32)에 저장된 식물의 사진을 비교하여 식물의 현재 생육 주기를 판단하여, 상기 밸브 제어기(31)와 상기 영양제 공급부(17)를 제어하는 것을 특징으로 한다. The smart farm control system may further include an image photographing device 23 for photographing the plants in the cultivation water tank 20 , wherein the server is the server 32 and the image photographing device 23 . It is characterized in that the valve controller 31 and the nutrient supply unit 17 are controlled by comparing the photo of the plant stored in the server 32 with the current growth cycle of the plant.
본 발명은 식물의 생육 주기별로 필요한 양액의 농도 및 식물 영양제를 정확하게 공급하여 식물 재배를 최적의 상태로 유지하는 것에 있다. The present invention is to maintain plant cultivation in an optimal state by accurately supplying the necessary concentration of nutrient solution and plant nutrients for each growth cycle of plants.
또한, 식물의 생육 주기에 따른 식물 사진을 저장하고, 실제 재배 환경에서의 식물의 사진을 획득하여 이를 비교 분석하고, 이에 따른 양액의 농도 및 식물 영양제의 정확한 공급 효과가 있다. In addition, there is an effect of storing a picture of a plant according to the growth cycle of a plant, obtaining a picture of a plant in an actual cultivation environment, and comparing and analyzing it, and thus the concentration of a nutrient solution and an accurate supply of a plant nutrient.
도 1은 본 발명의 제1 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 1 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a first embodiment of the present invention.
도 2는 본 발명의 제2 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 2 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a second embodiment of the present invention.
도 3은 본 발명의 제3 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 3 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a third embodiment of the present invention.
도 4는 본 발명의 제4 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 4 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a fourth embodiment of the present invention.
이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다. 이때, 첨부된 도면에서 동일한 구성 요소는 가능한 동일한 부호로 나타내고 있음에 유의한다. 또한, 본 발명의 요지를 흐리게 할 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략할 것이다. 마찬가지 이유로 첨부 도면에 있어서 일부 구성요소는 과장되거나 생략되거나 개략적으로 도시되었다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In this case, it should be noted that in the accompanying drawings, the same components are denoted by the same reference numerals as much as possible. In addition, detailed descriptions of well-known functions and configurations that may obscure the gist of the present invention will be omitted. For the same reason, some components are exaggerated, omitted, or schematically illustrated in the accompanying drawings.
또한, 명세서 전체에서, 어떤 부분이 어떤 구성요소를 “포함”한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성요소를 제외하는 것이 아니라 다른 구성요소를 더 포함할 수 있는 것을 의미한다. 또한, 명세서 전체에서, “~상에”라 함은 대상 부분의 위 또는 아래에 위치함을 의미하는 것이며, 반드시 중력 방향을 기준으로 상측에 위치하는 것을 의미하는 것은 아니다.In addition, throughout the specification, when a part "includes" a certain component, this means that other components may be further included, rather than excluding other components, unless otherwise stated. In addition, throughout the specification, "on" means to be located above or below the target portion, and does not necessarily mean to be located above the direction of gravity.
본 발명에서는 상기의 문제를 해결하기 위해 다음과 같은 과제 해결 수단을 제공한다. The present invention provides the following problem solving means in order to solve the above problems.
도 1은 본 발명의 제1 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 1 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a first embodiment of the present invention.
도 1에 도시된 바와 같이, 본 발명에 따른 스마트팜 양액 제어 시스템은, 양액을 수용하여 식물을 재배하는 재배수조(20); 원수를 공급받아 저장하는 원수조(12); 상기 원수조와 연결되어 양액의 농도를 조절하면서 저장하는 양액조(14); 상기 양액조(14)에서 나오는 양액을 살균하는 저온 플라즈마 발생기(15); 및 상기 양액을 마이크로 버블화시켜 상기 재배수조(20)에 공급하는 마이크로버블 발생기(16)를 포함한다. As shown in Figure 1, the smart farm nutrient solution control system according to the present invention, the cultivation tank 20 for cultivating plants by receiving the nutrient solution; a raw water tank 12 for receiving and storing raw water; a nutrient solution tank 14 connected to the raw water tank and storing while controlling the concentration of the nutrient solution; a low-temperature plasma generator 15 for sterilizing the nutrient solution coming out of the nutrient solution tank 14; and a microbubble generator 16 that microbubbles the nutrient solution and supplies it to the cultivation water tank 20 .
그리고 상기 원수조(12)로 유입되는 원수의 양을 조절하는 원수 펌프 밸브(11); 상기 원수조(12)로부터 유출되는 배수의 양을 조절하는 배수 펌프 밸브(27); 상기 원수조(12)에서 상기 양액조(14)로 공급되는 원수의 양을 조절하는 원수 공급 펌프 밸브(13); 상기 재배수조(20)로부터 양액을 회수하여 상기 양액조(14)로 공급하는 양액 회수 펌프 밸브(25); 상기 양액조(14)에서 상기 재배수조(20)로 공급되는 양액의 양을 조정하는 양액 공급 펌프 밸브(26), 상기 재배수조(20)로부터 양액을 배수하는 수조 배수 펌프 밸브(24); 그리고 상기 원수조(12), 상기 재배수조(20), 상기 양액조(14)에 설치된 수위감지센서(미도시)로부터 측정된 값에 따라 상기 원수 펌프 밸브(11), 상기 배수 펌프 밸브(27), 상기 원수 공급 펌프 밸브(13), 상기 양액 회수 펌프 밸브(25), 양액 공급 펌프 밸브(26), 및 상기 수조 배수 펌프 밸브(24)를 제어하는 밸브 제어기(31)를 더 포함하고, 이들을 통해 시스템내 원수, 배수, 양액 흐름을 전반적으로 제어할 수 있도록 한다. And a raw water pump valve 11 for controlling the amount of raw water flowing into the raw water tank 12; a drain pump valve 27 for controlling the amount of drain discharged from the raw water tank 12; a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14; a nutrient solution recovery pump valve 25 for recovering the nutrient solution from the cultivation water tank 20 and supplying it to the nutrient solution tank 14; a nutrient solution supply pump valve 26 for adjusting the amount of nutrient solution supplied from the nutrient solution tank 14 to the cultivation water tank 20, a water tank drain pump valve 24 for draining the nutrient solution from the cultivation water tank 20; And the raw water pump valve 11 and the drain pump valve 27 according to values measured from a water level sensor (not shown) installed in the raw water tank 12 , the culture water tank 20 , and the nutrient solution tank 14 . ), the raw water supply pump valve 13, the nutrient solution recovery pump valve 25, the nutrient solution supply pump valve 26, and a valve controller 31 for controlling the water tank drain pump valve 24, These provide overall control over the flow of raw water, drainage, and nutrient solution in the system.
특히, 본 발명은 양액조와 원수조를 서로 분리하여 운영하는 것을 특징으로 한다. 이를 통해 양액을 쉽게 회수하여 재사용할 수 있는 장점이 있고, 전체 시스템을 소형화할 수 있는 장점이 있다. In particular, the present invention is characterized in that the nutrient solution tank and the raw water tank are operated separately from each other. Through this, there is an advantage that the nutrient solution can be easily recovered and reused, and the entire system can be miniaturized.
펌프 밸브들은 유입 및 유출되는 양을 조절하는 것을 목적으로 하는 일반적인 기술이므로 이에 대한 자세한 설명은 생략하기로 한다. Since the pump valves are general techniques for the purpose of controlling the amount of inflow and outflow, a detailed description thereof will be omitted.
본 시스템은 네트워크를 통해 관리자의 단말기와 연결되어 있고, 현재의 원수조, 양액조, 재배수조의 수위 및 상태를 측정하여 관리자에게 전달한다. This system is connected to the manager's terminal through the network, measures the current water level and status of the raw water tank, nutrient solution tank, and cultivation tank and delivers it to the manager.
본 발명의 주요 특징은 재배수조(20)내의 양액을 양액 회수 펌프 밸브(25)를 통해 양액조(14)로 회수하여 재사용하는 것에 있다. 다만, 양액조에서 다시 재배수조(20)로 공급하는 과정에서 저온 플라즈마 발생기(15)를 통해 살균을 하여 식물 재배에 유해한 물질을 제거한다. The main feature of the present invention is that the nutrient solution in the cultivation water tank 20 is recovered and reused in the nutrient solution tank 14 through the nutrient solution recovery pump valve 25 . However, in the process of supplying from the nutrient solution tank back to the cultivation tank 20, it is sterilized through the low-temperature plasma generator 15 to remove substances harmful to plant cultivation.
또한, 식물의 생약 주기에 따라 필요한 양액의 농도가 계속 변하기 때문에, 원수조(12)와 양액조(14)를 구분하고, 원수조(12)에서 양액조(14)로 공급되는 원수의 양을 조절하여 양액의 농도를 항시적으로 제어하는 것을 특징으로 한다. In addition, since the concentration of the necessary nutrient solution continuously changes according to the herbal medicine cycle of the plant, the raw water tank 12 and the nutrient solution tank 14 are separated, and the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14 is determined. It is characterized in that the concentration of the nutrient solution is constantly controlled by adjusting.
본 발명에서는 양액이 재배수조(20)로 들어가기 전에 마이크로버블 발생기(16)를 통하도록 하여, 양액 입자를 마이크로버블화 시킨다. 마이크로버블에 대한 내용은 널리 알려진 것이므로 자세한 설명은 생략하기로 한다. In the present invention, the nutrient solution passes through the microbubble generator 16 before entering the culture water tank 20 to microbubble the nutrient solution particles. Since the microbubble is widely known, a detailed description thereof will be omitted.
이처럼 양액 입자를 마이크로버블화시키는 경우, 양액의 흡수율을 증가시킬 수 있는 장점이 있다. When the nutrient solution particles are microbubbled in this way, there is an advantage in that the absorption rate of the nutrient solution can be increased.
도 2은 본 발명의 제2 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 2 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a second embodiment of the present invention.
도 2을 참고하면, 본 발명의 식물의 생장 촉진 기능의 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템은 도 1의 구성 요소 이외에 상기 재배수조(20)의 상부에 위치하여 식물 생장을 촉진하는 파장대의 빛을 발산하는 LED 조명(21)을 구비하고, 상기 재배수조(20)의 하부에 위치하여 원적외선을 방출하는 바이오 블록(22)을 더 포함할 수 있다. Referring to FIG. 2, the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the plant growth promoting function of the present invention is located above the cultivation tank 20 in addition to the components of FIG. 1 to promote plant growth. It may further include a bio-block 22 having an LED light 21 emitting light in a wavelength band and emitting far-infrared rays located below the cultivation water tank 20 .
상기 바이오 블럭(22)은 판재 형상으로 형성되어, 상기 재배수조(20)의 바닥면에 고르게 배열되는 것이 바람직한데, 이는 원적외선이 재배수조 전 영역을 거쳐 균일하게 발생될 수 있도록 하기 위함이다. The bio-block 22 is preferably formed in a plate shape and evenly arranged on the bottom surface of the cultivation water tank 20 so that far-infrared rays can be uniformly generated through the entire area of the cultivation water tank.
또한 바이오 블럭(22)는 교체가능한 판형이며, 재배수조의 바닥면에 설치된다. In addition, the bio-block 22 has a replaceable plate shape and is installed on the bottom surface of the cultivation tank.
도 3은 본 발명의 제3 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 3 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a third embodiment of the present invention.
도 3을 참고하면, 본 발명의 식물의 생장 촉진 기능의 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템은 도 1 또는 도 2의 구성 요소 이외에, 재배수조(20)의 상측에 위치되어 상기 재배수조(20)내의 식물의 영상을 획득하는 영상 촬영 장치(23); 식물 영상에 기반하여 식물 생육 단계를 유추한 후 상기 LED 조명(21)을 제어하는 조명 제어부(33)를 더 포함할 수 있다. Referring to FIG. 3, the smart farm control system capable of controlling the nutrient solution concentration for each growth cycle of the plant growth promoting function of the present invention is located above the cultivation tank 20 in addition to the components shown in FIG. 1 or FIG. an image photographing device 23 for acquiring an image of a plant in the water tank 20; It may further include a lighting control unit 33 for controlling the LED light 21 after inferring the plant growth stage based on the plant image.
그리고 이때의 밸브 제어기(31)는 영상 촬영 장치(23)를 통해 획득된 영상에 기반하여 상기 원수의 양을 조절하여 양액의 농도를 조절하는 기능을 더 포함할 수 있도록 한다. And at this time, the valve controller 31 may further include a function of adjusting the concentration of the nutrient solution by adjusting the amount of the raw water based on the image obtained through the image capturing device 23 .
식물은 생육 단계에 따라 생육에 유리한 LED 파장 및 스펙트럼이 다양하게 변화한다. 이에 대해서는 식물에 따라 다양한 값이 널리 알려져 있다. 본 발명은 이러한 생육 주기에 따라 LED 조명의 파장과 스펙트럼을 다양하게 최적화하여 적용할 수 있는 장점이 있다. 이러한 생육 주기는 식물 생장 시간에 따라 미리 설정된 시간별로 계산을 할 수도 있고, 영상을 통해 획득한 식물 사진을 통해 현재의 생육 주기 단계를 파악할 수도 있다. According to the growth stage of plants, the wavelength and spectrum of LEDs favorable for growth are variously changed. For this, various values are widely known depending on the plant. The present invention has the advantage that it can be applied by variously optimizing the wavelength and spectrum of LED lighting according to such a growth cycle. Such a growth cycle may be calculated for each preset time according to a plant growth time, or a current growth cycle stage may be identified through a plant photograph obtained through an image.
이와 같이, 본 발명은 식물의 생육 주기에 따라 양액의 공급양, 첨가되는 영양제의 성분, 양액의 농도를 조절하는 것을 주요 특징으로 한다. As described above, the present invention is mainly characterized by controlling the supply amount of the nutrient solution, the components of the added nutrient solution, and the concentration of the nutrient solution according to the growth cycle of the plant.
특히, 영상 촬영 장치(23)를 통해 생육 주기를 확인하여 이에 대한 정확도를 더욱 높이는 것을 특징으로 한다. 생육 주기는 발아-생장-개화-수분-결실-수확 단계로 크게 구분될 수 있으며, 각각의 기간을 더욱 세분화하여 본 시스템에 적용할 수 있다. In particular, it is characterized in that the growth cycle is confirmed through the image capturing device 23 to further increase the accuracy. The growth cycle can be broadly divided into germination-growth-flowering-pollination-fruiting-harvesting stages, and each period can be further subdivided and applied to this system.
도 4는 본 발명의 제3 실시예에 따른 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템의 구성도이다. 4 is a block diagram of a smart farm control system capable of controlling the concentration of a nutrient solution for each growth cycle according to a third embodiment of the present invention.
도 4를 참고하면, 본 발명의 식물의 생장 촉진 기능의 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템은 도 1 내지 도 3의 구성 요소 이외에, 재배되는 식물의 생육 주기에 따른 양액의 농도, 필요 영양제의 양, 생육 주기별 식물 사진이 저장되는 서버(32); 상기 양액조(14)에 식물 영양제를 공급하는 영양제 공급부(17); 상기 원수조(12)에서 상기 양액조(14)로 공급되는 원수의 양을 조절하는 원수 공급 펌프 밸브(13); 및 상기 원수 공급 펌프 밸브(13)를 제어하는 밸브 제어기(31)를 더 포함할 수도 있도록 한다. Referring to Figure 4, the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the plant growth promoting function of the present invention, in addition to the components of Figures 1 to 3, the concentration of the nutrient solution according to the growth cycle of the plant being grown, A server 32 for storing the amount of nutrients required and plant photos for each growth cycle; a nutrient supply unit 17 for supplying plant nutrients to the nutrient solution tank 14; a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14; and a valve controller 31 for controlling the raw water supply pump valve 13 .
상기 서버(32)는 식물의 생육 주기에 따라 상기 밸브 제어기(31)에 신호를 보내어 상기 원수의 양을 조절하여 양액의 농도를 조절하고, 상기 영양제 공급부(17)를 제어하여 상기 양액조(14)에 필요한 식물 영양제를 공급할 수 있도록 한다. The server 32 sends a signal to the valve controller 31 according to the growth cycle of the plant to adjust the amount of the raw water to adjust the concentration of the nutrient solution, and controls the nutrient supply unit 17 to control the nutrient solution tank 14 ) to provide the necessary plant nutrients.
또한, 상기 서버(32)는 상기 재배수조(20) 내의 식물의 영상을 획득하는 영상 촬영 장치(23)를 이용하여 획득된 영상과 상기 서버(32)에 저장된 식물의 사진을 비교하여 현재의 생육 주기를 판단하여, 상기 밸브 제어기(31)와 상기 영양제 공급부(17)를 제어하는 기능을 더 포함할 수도 있다. In addition, the server 32 compares the image obtained using the image photographing device 23 for acquiring the image of the plant in the cultivation tank 20 with the photograph of the plant stored in the server 32 to compare the current growth By determining the cycle, it may further include a function of controlling the valve controller 31 and the nutrient supply unit 17 .
더하여, 본 발명의 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템은 기준 시간을 생성 및 제공하는 타이머(35)를 더 포함하고, 이의 기준 시간을 통해 각 구성 요소의 제어 시점 모두가 동기화될 수 있도록 한다. In addition, the smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle of the present invention further includes a timer 35 that generates and provides a reference time, and all control points of each component can be synchronized through the reference time. let it be
한편, 본 명세서와 도면에 개시된 본 발명의 실시예들은 본 발명이 기술 내용을 쉽게 설명하고 본 발명의 이해를 돕기 위해 특정 예를 제시한 것일 뿐이며, 본 발명의 범위를 한정하고자 하는 것은 아니다. 여기에 개시된 실시예들 이외에도 본 발명의 기술적 사상에 바탕을 둔 다른 변형예들이 실시 가능하다는 것은 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에게 자명한 것이다.On the other hand, the embodiments of the present invention disclosed in the present specification and drawings are merely presented as specific examples to easily explain the technical contents of the present invention and help the understanding of the present invention, and are not intended to limit the scope of the present invention. It will be apparent to those of ordinary skill in the art to which the present invention pertains that other modifications based on the technical spirit of the present invention can be implemented in addition to the embodiments disclosed herein.

Claims (3)

  1. 상부에 위치되는 LED 조명(21)을 통해 식물 생장을 촉진하는 파장대의 빛을 발산하며, 식물 재배를 위한 양액을 수용하는 재배수조(20);a cultivation tank 20 that emits light in a wavelength band that promotes plant growth through the LED light 21 positioned on the upper portion, and receives a nutrient solution for plant cultivation;
    원수를 공급받아 저장하는 원수조(12);a raw water tank 12 for receiving and storing raw water;
    상기 원수조와 연결되어 양액의 농도를 조절하면서 저장하는 양액조(14);a nutrient solution tank 14 connected to the raw water tank and storing while controlling the concentration of the nutrient solution;
    상기 양액조(14)에 식물 영양제를 공급하는 영양제 공급부(17);a nutrient supply unit 17 for supplying plant nutrients to the nutrient solution tank 14;
    상기 양액조(14)에서 나오는 양액을 살균하는 저온 플라즈마 발생기(15);a low-temperature plasma generator 15 for sterilizing the nutrient solution coming out of the nutrient solution tank 14;
    상기 양액을 마이크로 버블화시켜 상기 재배수조(20)에 공급하는 마이크로버블 발생기(16);a microbubble generator 16 that microbubbles the nutrient solution and supplies it to the cultivation tank 20;
    상기 원수조(12)에서 상기 양액조(14)로 공급되는 원수의 양을 조절하는 원수 공급 펌프 밸브(13); a raw water supply pump valve 13 for controlling the amount of raw water supplied from the raw water tank 12 to the nutrient solution tank 14;
    상기 원수 공급 펌프 밸브(13)를 제어하는 밸브 제어기(31); 및 a valve controller 31 for controlling the raw water supply pump valve 13; and
    식물의 생육 주기에 따른 양액의 농도, 필요 영양제의 양, 생육 주기별 식물 사진을 저장하고, 저장 정보에 따라 상기 밸브 제어기(31) 및 상기 영양제 공급부(17)를 수시 제어하는 서버(32);를 포함하는 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템.A server 32 for storing the concentration of nutrient solution according to the growth cycle of the plant, the amount of nutrients required, and a plant photograph for each growth cycle, and controlling the valve controller 31 and the nutrient supply unit 17 from time to time according to the storage information; A smart farm control system capable of controlling the concentration of nutrient solution by growth cycle, including
  2. 제1항에 있어서, According to claim 1,
    상기 재배수조(20)내 식물을 촬영하는 영상 촬영 장치(23)를 더 포함하는 것을 특징으로 하는 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템.A smart farm control system capable of controlling the concentration of nutrient solution for each growth cycle, characterized in that it further comprises an image capturing device 23 for photographing the plants in the cultivation tank 20.
  3. 제2항에 있어서, 상기 서버는 The method of claim 2, wherein the server
    상기 영상 촬영 장치(23)의 영상과 상기 서버(32)에 저장된 식물의 사진을 비교하여 식물의 현재 생육 주기를 판단하여, 상기 밸브 제어기(31)와 상기 영양제 공급부(17)를 제어하는 것을 특징으로 하는 생육 주기별 양액 농도 제어가 가능한 스마트팜 제어 시스템.Comparing the image of the image capturing device 23 and the photograph of the plant stored in the server 32 to determine the current growth cycle of the plant, characterized in that the valve controller 31 and the nutrient supply unit 17 are controlled A smart farm control system that can control the concentration of nutrient solution for each growth cycle.
PCT/KR2020/017053 2019-11-27 2020-11-27 Smart farm control system capable of controlling concentration of nutrient solution according to growth cycle WO2021107673A1 (en)

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