WO2011013875A1 - Moisture monitor for flowerpot - Google Patents

Moisture monitor for flowerpot Download PDF

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Publication number
WO2011013875A1
WO2011013875A1 PCT/KR2009/005821 KR2009005821W WO2011013875A1 WO 2011013875 A1 WO2011013875 A1 WO 2011013875A1 KR 2009005821 W KR2009005821 W KR 2009005821W WO 2011013875 A1 WO2011013875 A1 WO 2011013875A1
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WO
WIPO (PCT)
Prior art keywords
electrode
unit
monitoring device
capacitance
moisture content
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PCT/KR2009/005821
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French (fr)
Korean (ko)
Inventor
박희복
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Park Hee-Bok
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Publication of WO2011013875A1 publication Critical patent/WO2011013875A1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
    • G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
    • 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
    • A01G25/00—Watering gardens, fields, sports grounds or the like
    • A01G25/16—Control of watering
    • A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
    • 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
    • A01G27/00—Self-acting watering devices, e.g. for flower-pots
    • A01G27/008—Component parts, e.g. dispensing fittings, level indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/121—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

Definitions

  • the present invention relates to a device for monitoring the moisture content of the soil, and more particularly, to a pollen moisture monitoring device for displaying the moisture content of the soil by detecting the capacitance changes according to the moisture content of the soil in the pot.
  • potted plants and trees are reported to not only produce a soft and comfortable indoor atmosphere, but also contribute to health.
  • Proper temperature, moisture, sunshine and nutrient supply are required to create the desired growth environment for plants and trees. Especially when planting flowers or trees indoors, natural water supply cannot be expected, so proper water supply is most important. In addition, since the amount of water required varies depending on the type of flower or tree, it is necessary to supply water according to the type of flower or tree to be watered.
  • Korean Patent Publication No. 2007-0091255 discloses a moisture content detection device of a pollen including a semiconductor type humidity sensor supplied with power from a solar panel or a general cell. An apparatus for detecting the amount of water present in a pollen by combining an electrode and three moisture sensors has been disclosed.
  • the conventional technique using a conductivity sensor consists of a positive electrode and a negative electrode separated by an insulator at the end of the circular electrode, and measures the water content of the soil by measuring the current flowing between the two electrodes.
  • the two electrodes must use a conductor (metal) electrode that can flow current well, but when the metal electrode is used after being exposed to moisture for a long time, there is a problem that the measurement reproducibility can be remarkably deteriorated due to rust or trait deformation. have.
  • the present inventors have made diligent efforts to solve the above problems, so that the electrode unit and the main unit are integrally formed on the printed circuit board so as to detect the capacitance changing according to the moisture content of the soil in the pot, the electrode is insulator In the case of coating, the corrosion of the electrode does not occur, it was confirmed that the accuracy can be maintained even after long-term use, the present invention was completed.
  • An object of the present invention is to provide a pollen moisture monitoring device that can adjust the detection sensitivity and output signal level according to the type of plant.
  • Another object of the present invention is to provide a pollination moisture monitoring device that can maintain the accuracy of the electrode does not occur, even long-term use.
  • the present invention is an electrode unit for detecting the capacitance changes according to the moisture content of the soil in the pot and the main unit for controlling the sensing of the capacitance in the electrode portion, and outputs the detected result
  • the electrode portion is in the form of a plate, a single electrode is formed on one end of the electrode portion, the main unit portion (a) capacitive sensor circuit; (b) a power supply unit supplying power for driving the apparatus; (c) an output unit displaying a capacitance sensed by the electrode unit as a signal; And (d) a control unit for controlling an operation relationship of the capacitive sensor circuit unit, the power supply unit, the electrode unit, and the output unit, wherein the electrode unit and the main unit are formed on an integrated printed circuit board.
  • a pollination moisture monitoring device Provide a pollination moisture monitoring device.
  • FIG. 1 is a view showing the inside of the pollen moisture monitoring device according to an embodiment of the present invention.
  • FIG. 2 is a view showing the electrical modeling of the pollen moisture monitoring device mounted on the pot.
  • FIG. 3 is a view showing a circuit diagram of the pollen moisture monitoring device according to an embodiment of the present invention.
  • Figure 4 is a photograph of the pollination moisture monitoring device according to an embodiment of the present invention.
  • Figure 5 is a photograph mounted on the potted plant moisture monitoring device according to an embodiment of the present invention.
  • the present invention provides a potted plant comprising an electrode unit for detecting a capacitance changing according to the moisture content of soil in the pollen and a main unit unit for controlling the sensing of the capacitance at the electrode unit and outputting a detected result.
  • the electrode portion is in the form of a plate, a single electrode is formed at one end of the electrode portion, the main unit portion (a) capacitive sensor circuit; (b) a power supply unit supplying power for driving the apparatus; (c) an output unit displaying a capacitance sensed by the electrode unit as a signal; And (d) a control unit for controlling an operation relationship of the capacitive sensor circuit unit, the power supply unit, the electrode unit, and the output unit, wherein the electrode unit and the main unit are formed on an integrated printed circuit board. It relates to a pollination moisture monitoring device.
  • the capacitive sensor is a term of a concept including a capacitive sensor circuit portion and an electrode portion.
  • FIG. 1 is a view showing the inside of the pollen moisture monitoring device according to an embodiment of the present invention.
  • the pollen moisture monitoring device 100 detects a capacitance in an electrode unit 10 and a capacitance in which the capacitance changes according to the moisture content of soil in the pollen. It can be divided into a main unit 20 for controlling the control and outputting the detected result, the electrode unit 10 and the main unit 20 may be characterized in that formed on the integrated printed circuit board. have.
  • the electrode 12 is formed at one end of the electrode portion 10, the electrode 12 may be characterized in that it is coated with an insulator.
  • the size of the electrode unit 10 may vary according to the size of the pot used, but preferably in the form of a plate of 0.5 to 5 cm wide, 5 to 20 cm long, the end is easy to insert into the soil It is preferable to use pointed ones.
  • the electrode 12 formed at one end of the electrode portion 10 may be formed on the upper or lower portion of the printed circuit board, but is formed on the lower side of the printed circuit board, that is, on the opposite side of the surface on which the capacitive sensor circuit portion is formed. It is preferable.
  • the electrode 12 may be used without particular limitation as long as it is a conductor, and may include silver, copper, iron, aluminum, zinc, magnesium, and the like, and the electrode may have a shape or size as long as it can perform the function of the electrode. Is not greatly limited.
  • the electrode 12 may be formed in a printed circuit board manufacturing process, and may be coated through a process of applying a photo solder resist (PSR) ink, which is one of the printed circuit board manufacturing processes.
  • PSR photo solder resist
  • the electrode of the moisture monitoring apparatus is formed through a general printed circuit board manufacturing process without going through a separate electrode manufacturing process and coating process, and by coating the formed electrode with an insulator, the cost can be reduced as well. Since the coated electrode does not come into contact with moisture during use, corrosion does not occur and thus accuracy can be maintained even when used for a long time.
  • FIG. 2 is a view showing the electrical modeling of the pollen moisture monitoring device mounted on the pot.
  • the pollen moisture monitoring device of the present invention is characterized by monitoring the moisture content of the soil using a single electrode (12). Conventionally, by measuring the resistance or capacitance between two electrodes using two electrodes, the moisture content of the soil was determined. However, in the present invention, it is confirmed that the impedance existing between the single electrode 12 and the ground 5 changes according to the moisture content of the soil 4, and the single electrode 12 is used to The content was intended to be monitored.
  • the modeling shown in FIG. 2 shows the impedance present between the electrode 12 and the ground 5, but does not necessarily depict all impedances correctly. According to the invention, the fact that there is an impedance which varies according to the moisture content of the soil 4 between the electrode 12 and the ground 5 itself is important, and the modeling does not necessarily need to be accurate. First, there is a capacitance and a resistance component between the electrode 12 and the pollen 2.
  • FIG 2 but shown as being connected to one point of the pot (2), in practice the capacitance and resistance will be scattered.
  • the pollen 2 is non-conductive most of the time, so that the pollen 2 is not electrically the same node, in fact, it also scatters the point 6.
  • the point where the potted plant 2 is located may be considered as the outermost surface of the soil 4 in contact with the potted plant 2.
  • a resistor Rf2 can be considered between the electrode 12 and the pot 2, and in parallel there can be considered that a resistor Rf1 and a capacitor Cf exist between the electrode 12 and the pot 2.
  • the Cf, Rf1, Rf2 are all values that change depending on the moisture content of the soil (4).
  • a resistor Re and a capacitor Ce exist between the flower pot 2 and the ground.
  • the resistance Re and the capacitor Ce are values independent of the moisture content of the soil (4).
  • the main unit 20 may include a capacitive sensor circuit unit 12 and a power supply unit 14 for supplying electric power for driving the device 100; An output unit 16 displaying the capacitance sensed by the electrode unit 10 as a signal; And a control unit 18 for controlling an operation relationship between the capacitive sensor circuit unit 12, the power supply unit 14, the electrode unit 10, and the output unit 16.
  • the electrode portion and the main device portion may be formed on an integrated printed circuit board.
  • the capacitive sensor circuit unit 12, the power supply unit 14, the output unit 16, the control unit 18, and the like may be formed on the printed circuit board, and their positions are not particularly limited.
  • the capacitive sensor circuit unit 12 may include an oscillation element, a pulse counter, and the like necessary to detect capacitance (see FIG. 3).
  • the oscillation element generates a pulse signal, and the period and duty ratio of the generated pulses vary according to the impedance.
  • a commercially available NE555 chip may be used as the oscillation element.
  • the control unit 18 may determine the moisture content degree according to the frequency.
  • the power supply unit 14 is for supplying power for driving the moisture monitoring apparatus 100, and may use a battery that is commonly used.
  • the power supply unit 14 supplies power periodically without supplying power to the capacitive sensor circuit unit 12, the control unit 18, the output unit 16, and the electrode unit 10, thereby prolonging the life of the battery. It may be characterized by extending.
  • the main unit does not normally supply power to the oscillation element, for example, may supply power to the oscillation element only once every hour to measure and display the moisture content.
  • the output unit 16 outputs the moisture content of the soil in the pot according to the detected capacitance as a lamp or a voice signal.
  • the output unit 16 receives a capacitance notification signal through the control unit 18. After receiving, the capacitance may be output as a lamp or a voice signal. The output of the signal can be used by the user to select the output method as appropriate.
  • the output unit 16 may be characterized in that to periodically output a signal in accordance with the output cycle.
  • the output period can be adjusted according to the user's selection.
  • the control unit 18 is for controlling the operation relationship of the capacitive sensor circuit unit 12, the power supply unit 14, the electrode unit 10 and the output unit 16, the control unit 18 is a plant
  • the sensitivity of the capacitance or the output signal level can be adjusted according to the type.
  • control unit 18 may be designed to detect the largest capacitance in a very dry state.
  • the plant selection [A] can be programmed to have a detection reference value of 98, [B] 85, and [C] 75. At this time, the detection reference value can be adjusted as necessary.
  • the detection signal is measured to be lower than the detection reference value, and a green LED or an audio signal is output.
  • a red LED or a voice signal is output.
  • control unit has an analog-to-digital converter (ADC) built-in to convert the voltage level in the form of an analog to digital
  • ADC analog-to-digital converter
  • the main unit 20 of the pollen moisture monitoring device may be covered with a case (30).
  • the case 30 may include a display unit for displaying the water content of the plant in stages.
  • Figure 5 is a photograph mounted on the potted plant moisture monitoring device according to an embodiment of the present invention. As shown in Figure 5, the electrode portion of the pollen moisture monitoring device according to the present invention is inserted into the soil of the pot, it is possible to monitor the moisture content of the soil.
  • the pollen moisture monitoring device since the electrode is coated with an insulator, corrosion of the electrode does not occur, it is possible to maintain the accuracy even for long-term use, according to the type of plant By adjusting the sensitivity or output signal level, the moisture present in the soil in the pot can be monitored.

Abstract

The present invention relates to a device for monitoring soil moisture content for a flowerpot. More particularly, a moisture monitor for a flowerpot according to the present invention displays soil moisture content by detecting an electrostatic capacity, which varies according to soil moisture content in a flowerpot. The moisture monitor for a flowerpot includes an electrode part for sensing an electrostatic capacity, which varies according to soil moisture content in a flowerpot, and a main device section for controlling the electrostatic capacity detection of the electrode part and outputting the detection result. The electrode part is formed in a plate shape and has a single electrode formed at an end thereof. The main device unit includes (a) an electrostatic capacity sensor circuit part; (b) a power supply for supplying power for driving the device; (c) an output part for displaying an electrostatic capacity detected by the electrode part with signals; and (d) a controller for controlling operation relationships among the electrostatic capacity sensor circuit, the power supply and the output part, wherein the electrode part and the main device section are formed on an integral printed circuit board.

Description

화분용 수분 모니터링 장치Moisture monitoring device for pots
본 발명은 토양의 수분 함량을 모니터링하는 장치에 관한 것으로서, 더욱 상세하게는 화분내 토양의 수분함량에 따라 변화하는 정전용량을 감지하여 토양의 수분함량을 표시하는 화분용 수분 모니터링 장치에 관한 것이다. The present invention relates to a device for monitoring the moisture content of the soil, and more particularly, to a pollen moisture monitoring device for displaying the moisture content of the soil by detecting the capacitance changes according to the moisture content of the soil in the pot.
일반적으로, 화분에 심겨진 화초나 나무는 실내 분위기를 부드럽고 편안하게 연출할 뿐만 아니라, 건강에 기여하는 바가 큰 것으로 보고되고 있다. 최근 건축된 대부분의 아파트나 개인 주택에는 발코니가 있는데, 이공간을 이용하여 화초나 나무들을 가꾸는 가정이 점차 늘어나고 있는 실정이다.In general, potted plants and trees are reported to not only produce a soft and comfortable indoor atmosphere, but also contribute to health. Most apartments and private homes built recently have balconies, and more and more families are using these spaces to plant flowers and trees.
화초나 나무들의 바람직한 생육환경을 조성하기 위해서는 온도, 수분, 일조량 및 영양분 공급을 적절하게 해야한다. 특히 실내에서 화초나 나무를 재배할 경우에는 자연적인 수분공급을 기대할 수 없으므로 적절한 수분공급이 무엇보다 중요하다. 더욱이, 화초나 나무의 종류에 따라 필요로 하는 수분량이 각기 다르므로 급수 대상의 화초나 나무의 종류에 따라 적절하게 급수할 필요가 있다. Proper temperature, moisture, sunshine and nutrient supply are required to create the desired growth environment for plants and trees. Especially when planting flowers or trees indoors, natural water supply cannot be expected, so proper water supply is most important. In addition, since the amount of water required varies depending on the type of flower or tree, it is necessary to supply water according to the type of flower or tree to be watered.
이러한 문제점을 해결하기 위하여, 화분내 토양의 수분 함량을 측정하여 수분량을 간단히 표시하거나 수분 부족을 알려주는 장치들이 개발되었다. In order to solve this problem, devices have been developed to measure the moisture content of soil in the pollen to simply display the moisture content or to inform the lack of moisture.
한국공개특허 제2007-0091255호에서는 태양전지판 또는 일반전지로부터 전력을 공급받는 반도체 타입의 습도센서를 포함하는 화분의 수분량 검출장치를 개시하였고, 한국공개특허 제2009-0061274호에서는 계측부에 위치한 5개의 전극과 3개의 수분센서를 조합하여 화분속에 존재하는 수분량을 검출하는 장치를 개시하였다.Korean Patent Publication No. 2007-0091255 discloses a moisture content detection device of a pollen including a semiconductor type humidity sensor supplied with power from a solar panel or a general cell. An apparatus for detecting the amount of water present in a pollen by combining an electrode and three moisture sensors has been disclosed.
일반적으로 전도도 센서를 이용하는 기존의 기술은 원형 전극 봉의 끝 단에서 절연체로 분리되는 플러스 전극과 마이너스 전극으로 구성되며, 두 전극 사이에 흐르는 전류를 측정하여 토양의 수분함량을 측정하였다. 이 때 두 전극은 반드시 전류 잘 흘릴 수 있는 도체(금속) 전극을 사용하여야 하는데, 금속 전극은 장시간 수분에 노출되어 사용될 경우 녹이 쓸거나 형질이 변형되어, 측정 제현성이 현저히 저하될 수 있는 문제점이 있다.In general, the conventional technique using a conductivity sensor consists of a positive electrode and a negative electrode separated by an insulator at the end of the circular electrode, and measures the water content of the soil by measuring the current flowing between the two electrodes. At this time, the two electrodes must use a conductor (metal) electrode that can flow current well, but when the metal electrode is used after being exposed to moisture for a long time, there is a problem that the measurement reproducibility can be remarkably deteriorated due to rust or trait deformation. have.
이에, 본 발명자들은 상기 문제점을 해결하기 위하여 예의 노력한 결과, 화분내 토양의 수분함량에 따라 변화하는 정전용량을 감지할 수 있도록 전극부와 주장치부를 인쇄회로기판에 일체형으로 형성시키고, 전극을 절연체로 코팅시킬 경우, 전극의 부식이 발생되지 않아, 장기간 사용하여도 정확도를 유지할 수 있다는 것을 확인하고 본 발명을 완성하게 되었다. Accordingly, the present inventors have made diligent efforts to solve the above problems, so that the electrode unit and the main unit are integrally formed on the printed circuit board so as to detect the capacitance changing according to the moisture content of the soil in the pot, the electrode is insulator In the case of coating, the corrosion of the electrode does not occur, it was confirmed that the accuracy can be maintained even after long-term use, the present invention was completed.
발명의 요약Summary of the Invention
본 발명의 목적은 식물의 종류에 따라 검출감도 및 출력신호 레벨의 조절이 가능한 화분용 수분 모니터링 장치를 제공하는 것이다.An object of the present invention is to provide a pollen moisture monitoring device that can adjust the detection sensitivity and output signal level according to the type of plant.
본 발명의 다른 목적은 전극의 부식이 발생되지 않아, 장기간 사용하여도 정확도를 유지할 수 있는 화분용 수분 모니터링 장치를 제공하는 것이다.Another object of the present invention is to provide a pollination moisture monitoring device that can maintain the accuracy of the electrode does not occur, even long-term use.
상기 목적을 달성하기 위하여, 본 발명은 화분내 토양의 수분함량에 따라 변화하는 정전용량을 감지하는 전극부 및 상기 전극부에서 정전용량을 감지하는 것을 제어하고, 감지된 결과를 출력하는 주장치부로 구성된 화분용 수분 모니터링 장치에 있어서, 상기 전극부는 플레이트 형태이며, 상기 전극부의 일단에는 단일 전극이 형성되어 있고, 상기 주장치부는 (a) 정전용량센서 회로부; (b) 장치의 구동을 위한 전력을 공급하는 전원부; (c) 상기 전극부에서 감지된 정전용량을 신호로 표시하는 출력부; 및 (d) 상기 정전용량센서 회로부, 상기 전원부, 상기 전극부 및 상기 출력부의 작동관계를 제어하는 제어부를 포함하며, 상기 전극부와 주장치부는 일체형의 인쇄회로기판에 형성되어 있는 것을 특징으로 하는 화분용 수분 모니터링 장치를 제공한다.In order to achieve the above object, the present invention is an electrode unit for detecting the capacitance changes according to the moisture content of the soil in the pot and the main unit for controlling the sensing of the capacitance in the electrode portion, and outputs the detected result In the pollen moisture monitoring device configured, the electrode portion is in the form of a plate, a single electrode is formed on one end of the electrode portion, the main unit portion (a) capacitive sensor circuit; (b) a power supply unit supplying power for driving the apparatus; (c) an output unit displaying a capacitance sensed by the electrode unit as a signal; And (d) a control unit for controlling an operation relationship of the capacitive sensor circuit unit, the power supply unit, the electrode unit, and the output unit, wherein the electrode unit and the main unit are formed on an integrated printed circuit board. Provide a pollination moisture monitoring device.
본 발명의 다른 특징 및 구현 예는 다음의 상세한 설명 및 첨부된 특허청구범위로부터 더욱 명백해 질 것이다.Other features and embodiments of the present invention will become more apparent from the following detailed description and the appended claims.
도 1은 본 발명의 일 실시예에 따른 화분용 수분 모니터링 장치의 내부를 나타낸 도면이다.1 is a view showing the inside of the pollen moisture monitoring device according to an embodiment of the present invention.
도 2는 화분에 장착된 화분용 수분 모니터링 장치의 전기적 모델링을 나타낸 도면이다.2 is a view showing the electrical modeling of the pollen moisture monitoring device mounted on the pot.
도 3은 본 발명의 일실시예에 따른 화분용 수분 모니터링 장치의 회로도를 나타낸 도면이다.3 is a view showing a circuit diagram of the pollen moisture monitoring device according to an embodiment of the present invention.
도 4는 본 발명의 일 실시예에 따른 화분용 수분 모니터링 장치 사진이다.Figure 4 is a photograph of the pollination moisture monitoring device according to an embodiment of the present invention.
도 5는 본 발명의 일 실시예에 따른 화분용 수분 모니터링 장치를 화분에 장착시킨 사진이다.Figure 5 is a photograph mounted on the potted plant moisture monitoring device according to an embodiment of the present invention.
발명의 상세한 설명 및 구체적인 구현예Detailed Description of the Invention and Specific Embodiments
본 발명은 일 관점에서, 화분내 토양의 수분함량에 따라 변화하는 정전용량을 감지하는 전극부 및 상기 전극부에서 정전용량을 감지하는 것을 제어하고, 감지된 결과를 출력하는 주장치부로 구성된 화분용 수분 모니터링 장치에 있어서, 상기 전극부는 플레이트 형태이며, 상기 전극부의 일단에는 단일 전극이 형성되어 있고, 상기 주장치부는 (a) 정전용량센서 회로부; (b) 장치의 구동을 위한 전력을 공급하는 전원부; (c) 상기 전극부에서 감지된 정전용량을 신호로 표시하는 출력부; 및 (d) 상기 정전용량센서 회로부, 상기 전원부, 상기 전극부 및 상기 출력부의 작동관계를 제어하는 제어부를 포함하며, 상기 전극부와 주장치부는 일체형의 인쇄회로기판에 형성되어 있는 것을 특징으로 하는 화분용 수분 모니터링 장치에 관한 것이다.In one aspect, the present invention provides a potted plant comprising an electrode unit for detecting a capacitance changing according to the moisture content of soil in the pollen and a main unit unit for controlling the sensing of the capacitance at the electrode unit and outputting a detected result. In the moisture monitoring device, the electrode portion is in the form of a plate, a single electrode is formed at one end of the electrode portion, the main unit portion (a) capacitive sensor circuit; (b) a power supply unit supplying power for driving the apparatus; (c) an output unit displaying a capacitance sensed by the electrode unit as a signal; And (d) a control unit for controlling an operation relationship of the capacitive sensor circuit unit, the power supply unit, the electrode unit, and the output unit, wherein the electrode unit and the main unit are formed on an integrated printed circuit board. It relates to a pollination moisture monitoring device.
본 발명에 있어서, 상기 정전용량센서는 정전용량센서 회로부 및 전극부를 포함하는 개념의 용어이다.In the present invention, the capacitive sensor is a term of a concept including a capacitive sensor circuit portion and an electrode portion.
이하, 도면을 참조하여 본 발명에 따른 화분용 수분 모니터링 장치를 자세히 설명하면 다음과 같다.Hereinafter, with reference to the drawings in detail the monitoring device for pollen moisture in accordance with the present invention.
도 1은 본 발명의 일 실시예에 따른 화분용 수분 모니터링 장치의 내부를 나타낸 도면이다.1 is a view showing the inside of the pollen moisture monitoring device according to an embodiment of the present invention.
도 1에 도시된바와 같이, 본 발명에 따른 화분용 수분 모니터링 장치(100)는 화분내 토양의 수분함량에 따라 변화하는 정전용량을 감지하는 전극부(10) 및 상기 전극부에서 정전용량을 감지하는 것을 제어하고, 감지된 결과를 출력하는 주장치부(20)로 크게 구분될 수 있으나, 상기 전극부(10)와 주장치부(20)는 일체형의 인쇄회로기판에 형성되어 있는 것을 특징으로 할 수 있다. As shown in FIG. 1, the pollen moisture monitoring device 100 according to the present invention detects a capacitance in an electrode unit 10 and a capacitance in which the capacitance changes according to the moisture content of soil in the pollen. It can be divided into a main unit 20 for controlling the control and outputting the detected result, the electrode unit 10 and the main unit 20 may be characterized in that formed on the integrated printed circuit board. have.
본 발명에 있어서, 상기 전극부(10)의 일단에는 전극(12)이 형성되어 있으며, 상기 전극(12)은 절연체로 코팅되어 있는 것을 특징으로 할 수 있다.In the present invention, the electrode 12 is formed at one end of the electrode portion 10, the electrode 12 may be characterized in that it is coated with an insulator.
상기 전극부(10)의 크기는 사용되는 화분의 크기에 따라 그에 맞추어 달리할 수 있으나, 가로 0.5~5㎝, 세로 5~20㎝의 플레이트 형태인 것이 바람직하며, 토양에 삽입이 용이하도록 끝단이 뾰족한 것을 사용하는 것이 바람직하다.The size of the electrode unit 10 may vary according to the size of the pot used, but preferably in the form of a plate of 0.5 to 5 cm wide, 5 to 20 cm long, the end is easy to insert into the soil It is preferable to use pointed ones.
상기 전극부(10)의 일단에 형성된 전극(12)은 상기 인쇄회로기판의 상부 또는 하부에 형성될 수 있으나, 상기 인쇄회로기판의 하부, 즉, 정전용량센서 회로부가 형성된 면의 반대편에 형성되는 것이 바람직하다.The electrode 12 formed at one end of the electrode portion 10 may be formed on the upper or lower portion of the printed circuit board, but is formed on the lower side of the printed circuit board, that is, on the opposite side of the surface on which the capacitive sensor circuit portion is formed. It is preferable.
상기 전극(12)은 도전체라면 특별한 제한없이 이용할 수 있고, 은, 구리, 철, 알루미늄, 아연, 마그네슘 등을 예시할 수 있으며, 상기 전극은 전극의 기능을 수행할 수 있는 한 그 형태나 크기는 크게 제한되지 않는다.The electrode 12 may be used without particular limitation as long as it is a conductor, and may include silver, copper, iron, aluminum, zinc, magnesium, and the like, and the electrode may have a shape or size as long as it can perform the function of the electrode. Is not greatly limited.
상기 전극(12)은 인쇄회로기판 제조과정에서 형성될 수 있으며, 또한 인쇄회로기판 제조과정중의 하나인 Photo Solder Resist(PSR)잉크로 도포하는 과정을 통하여 코팅될 수 있다. The electrode 12 may be formed in a printed circuit board manufacturing process, and may be coated through a process of applying a photo solder resist (PSR) ink, which is one of the printed circuit board manufacturing processes.
즉, 본 발명에서는 별도의 전극 제작공정 및 코팅 공정을 거치지 않고, 일반적인 인쇄회로기판 제작과정을 통하여 수분 모니터링 장치의 전극을 형성하고, 형성된 전극을 절연체로 코팅함으로써, 비용절감을 할 수 있을 뿐만 아니라, 코팅된 전극은 사용시 수분과 접촉하지 않으므로, 부식이 발생되지 않아 장시간 사용하여도 정확도를 유지할 수 있다.That is, in the present invention, the electrode of the moisture monitoring apparatus is formed through a general printed circuit board manufacturing process without going through a separate electrode manufacturing process and coating process, and by coating the formed electrode with an insulator, the cost can be reduced as well. Since the coated electrode does not come into contact with moisture during use, corrosion does not occur and thus accuracy can be maintained even when used for a long time.
도 2는 화분에 장착된 화분용 수분 모니터링 장치의 전기적 모델링을 나타낸 도면이다.2 is a view showing the electrical modeling of the pollen moisture monitoring device mounted on the pot.
본 발명의 화분용 수분 모니터링 장치는 단일의 전극(12)을 사용하여 토양의 수분 함량 정도를 모니터링하는 것을 특징으로 한다. 종래에는 2개의 전극을 사용하여 두 전극 사이의 저항, 또는 커패시턴스를 측정함으로써, 토양의 수분 함량 정도를 판단하였다. 그러나 본 발명에서는 단일의 전극(12)과 대지(5) 사이에 존재하는 임피던스가 토양(4)의 수분 함량에 따라 변화한다는 사실을 확인하고, 단일의 전극(12)을 이용하여 화분속 수분의 함량을 모니터링 하고자 하였다. The pollen moisture monitoring device of the present invention is characterized by monitoring the moisture content of the soil using a single electrode (12). Conventionally, by measuring the resistance or capacitance between two electrodes using two electrodes, the moisture content of the soil was determined. However, in the present invention, it is confirmed that the impedance existing between the single electrode 12 and the ground 5 changes according to the moisture content of the soil 4, and the single electrode 12 is used to The content was intended to be monitored.
도 2에 도시된 모델링은 전극(12)과 대지(5) 사이에 존재하는 임피던스를 도시하였으나, 반드시 모든 임피던스를 정확히 도시하고 있지는 않다. 본 발명에 따르면, 전극(12)과 대지(5) 사이에 토양(4)의 수분 함량에 따라서 변화하는 임피던스가 있다는 사실 그 자체가 중요하며, 반드시 모델링이 정확할 필요는 없다. 먼저, 전극(12)과 화분(2) 사이에는 커패시턴스 및 저항 성분이 존재한다. The modeling shown in FIG. 2 shows the impedance present between the electrode 12 and the ground 5, but does not necessarily depict all impedances correctly. According to the invention, the fact that there is an impedance which varies according to the moisture content of the soil 4 between the electrode 12 and the ground 5 itself is important, and the modeling does not necessarily need to be accurate. First, there is a capacitance and a resistance component between the electrode 12 and the pollen 2.
도 2에서는 화분(2)의 한점에 연결되는 것으로 도시하였으나, 실제로는 커패시턴스 및 저항은 산포하여 존재할 것이다. 화분(2)은 비 전도성이 대부분으로 화분(2)이 전기적으로 동일 노드인 것은 아니므로, 실제로는 점(6)도 산포한다. 상기 화분(2)이 있는 지점은 화분(2)과 접하고 있는 토양(4)의 최외각 면으로 생각해도 된다. 먼저, 전극(12)과 화분(2) 사이에는 저항 Rf2를 생각할 수 있으며, 이와 병렬로 전극(12)과 화분(2) 사이에는 저항 Rf1과 커패시터 Cf가 존재하는 것으로 생각할 수 있다. 상기 Cf, Rf1, Rf2는 모두 토양(4)의 수분 함량에 따라 변화하는 값이다. 한편, 화분(2)과 대지 사이에는 저항 Re와 커패시터 Ce가 존재하는 것으로 생각할 수 있다. 저항 Re와 커패시터 Ce는 토양(4)의 수분 함량 정도와는 무관한 값이다. 정리하면, 전극(12)에서 대지(5)를 바라볼 때, 전극(12)과 대지(5) 사이에는 토양의 수분 함량에 따라서 달라지는 커패시턴스 및 저항을 포함하는 임피던스 성분이 존재한다.In Figure 2, but shown as being connected to one point of the pot (2), in practice the capacitance and resistance will be scattered. The pollen 2 is non-conductive most of the time, so that the pollen 2 is not electrically the same node, in fact, it also scatters the point 6. The point where the potted plant 2 is located may be considered as the outermost surface of the soil 4 in contact with the potted plant 2. First, a resistor Rf2 can be considered between the electrode 12 and the pot 2, and in parallel there can be considered that a resistor Rf1 and a capacitor Cf exist between the electrode 12 and the pot 2. The Cf, Rf1, Rf2 are all values that change depending on the moisture content of the soil (4). On the other hand, it can be considered that a resistor Re and a capacitor Ce exist between the flower pot 2 and the ground. The resistance Re and the capacitor Ce are values independent of the moisture content of the soil (4). In summary, when looking at the earth 5 from the electrode 12, there is an impedance component between the electrode 12 and the earth 5 including capacitance and resistance that vary depending on the moisture content of the soil.
상기 주장치부(20)는 정전용량센서 회로부(12), 장치(100)의 구동을 위한 전력을 공급하는 전원부(14); 상기 전극부(10)에서 감지된 정전용량을 신호로 표시하는 출력부(16); 및 상기 정전용량센서 회로부(12), 상기 전원부(14), 상기 전극부(10) 및 상기 출력부(16)의 작동관계를 제어하는 제어부(18)를 포함할 수 있다. The main unit 20 may include a capacitive sensor circuit unit 12 and a power supply unit 14 for supplying electric power for driving the device 100; An output unit 16 displaying the capacitance sensed by the electrode unit 10 as a signal; And a control unit 18 for controlling an operation relationship between the capacitive sensor circuit unit 12, the power supply unit 14, the electrode unit 10, and the output unit 16.
본 발명에 있어서, 상기 전극부와 주장치부는 일체형의 인쇄회로기판에 형성되어 있는 것을 특징으로 할 수 있다. In the present invention, the electrode portion and the main device portion may be formed on an integrated printed circuit board.
즉, 상기 인쇄회로기판상에는 정전용량센서 회로부(12), 전원부(14), 출력부(16), 제어부(18) 등이 형성될 수 있으며, 이들의 위치는 특별한 제한을 받지 않는다.That is, the capacitive sensor circuit unit 12, the power supply unit 14, the output unit 16, the control unit 18, and the like may be formed on the printed circuit board, and their positions are not particularly limited.
상기 정전용량센서 회로부(12)는 정전용량을 감지하는데 필요한 발진소자, 펄스 카운터 등을 포함할 수 있다(도 3 참조).The capacitive sensor circuit unit 12 may include an oscillation element, a pulse counter, and the like necessary to detect capacitance (see FIG. 3).
상기 발진소자는 펄스 신호를 발생시키는 것으로서, 임피던스에 따라서 발생되는 펄스의 주기와 듀티비가 가변된다. 상기 발진소자는 상용의 NE555 칩 등을 이용할 수 있다.The oscillation element generates a pulse signal, and the period and duty ratio of the generated pulses vary according to the impedance. As the oscillation element, a commercially available NE555 chip may be used.
상기 펄스 카운터는 주어진 시간 동안 신호의 주파수를 카운팅하여 제어부(MCU)에 전달하므로, 제어부(18)는 상기 주파수에 따라서 수분 함량 정도를 판단할 수 있게 된다. Since the pulse counter counts the frequency of the signal for a given time and transmits the signal to the control unit (MCU), the control unit 18 may determine the moisture content degree according to the frequency.
상기 전원부(14)는 수분 모니터링장치(100)의 구동을 위한 전력을 공급하기 위한 것으로서, 통상적으로 사용되는 전지를 이용할 수 있다. The power supply unit 14 is for supplying power for driving the moisture monitoring apparatus 100, and may use a battery that is commonly used.
상기 전원부(14)는 정전용량센서 회로부(12), 제어부(18), 출력부(16), 전극부(10) 등에 연속적으로 전력을 공급하지 않고, 주기적으로 전력을 공급함으로써, 전지의 수명을 연장시키는 것을 특징으로 할 수 있다.The power supply unit 14 supplies power periodically without supplying power to the capacitive sensor circuit unit 12, the control unit 18, the output unit 16, and the electrode unit 10, thereby prolonging the life of the battery. It may be characterized by extending.
따라서, 주장치부는 평상시 발진소자에 전력을 공급하고 있지 않다가, 예를 들면 1시간에 한번씩만 발진소자에 전력을 공급하여 수분 함량 정도를 측정하여 표시할 수 있다. Therefore, the main unit does not normally supply power to the oscillation element, for example, may supply power to the oscillation element only once every hour to measure and display the moisture content.
상기 출력부(16)는 감지된 정전용량에 따라 화분내 토양의 수분함량을 램프 또는 음성 신호로 출력하는 것으로서, 상기 전극부에서 정전용량을 감지하면, 제어부(18)를 거쳐 정전용량 알림 신호를 수신받은 후, 상기 정전용량을 램프 또는 음성신호로 출력할 수 있다. 상기 신호의 출력은 사용자가 필요에 따라 적절히 출력방식을 선택하여 사용할 수 있다.The output unit 16 outputs the moisture content of the soil in the pot according to the detected capacitance as a lamp or a voice signal. When the capacitance is sensed by the electrode unit, the output unit 16 receives a capacitance notification signal through the control unit 18. After receiving, the capacitance may be output as a lamp or a voice signal. The output of the signal can be used by the user to select the output method as appropriate.
또한, 상기 출력부(16)는 출력주기에 따라 주기적으로 신호를 출력하는 것을 특징으로 할 수 있다. 상기 출력주기는 사용자의 선택에 따라 조절이 가능하다. In addition, the output unit 16 may be characterized in that to periodically output a signal in accordance with the output cycle. The output period can be adjusted according to the user's selection.
상기 제어부(18)는 상기 정전용량센서 회로부(12), 상기 전원부(14), 상기 전극부(10) 및 상기 출력부(16)의 작동관계를 제어하기 위한 것으로서, 상기 제어부(18)는 식물의 종류에 따라 정전용량의 감지 감도 또는 출력신호 레벨을 조절할 수 있다. The control unit 18 is for controlling the operation relationship of the capacitive sensor circuit unit 12, the power supply unit 14, the electrode unit 10 and the output unit 16, the control unit 18 is a plant The sensitivity of the capacitance or the output signal level can be adjusted according to the type.
하기 표 1에 나타난 바와 같이, 상기 제어부(18)는 매우 건조한 상태에서 가장 큰 정전용량을 감지하도록 설계될 수 있다. 즉, 매우 건조할 때의 최대 검출신호 레벨을 100으로 보았을 때, 식물선택 [A]는 98, [B]는 85, [C]는 75 정도의 검출기준값을 갖도록 프로그래밍할 수 있다. 이때 상기 검출기준값은 필요에 따라 조절이 가능하다.As shown in Table 1, the control unit 18 may be designed to detect the largest capacitance in a very dry state. In other words, when the maximum detection signal level is very dry at 100, the plant selection [A] can be programmed to have a detection reference value of 98, [B] 85, and [C] 75. At this time, the detection reference value can be adjusted as necessary.
따라서, 측정시에 화분의 수분함량이 검출기준값 보다 습하면 검출신호가 검출기준값보다 낮게 측정되고, 녹색 LED 또는 음성신호를 출력한다. 반대로 화분의 수분함량이 검출기준값 보다 건조하면 검출기준값보다 높게 측정되며, 이때는 적색 LED 또는 음성신호를 출력한다. Therefore, when the moisture content of the potted plant is wetter than the detection reference value, the detection signal is measured to be lower than the detection reference value, and a green LED or an audio signal is output. On the contrary, if the moisture content of the pollen is drier than the detection reference value, it is measured higher than the detection reference value. In this case, a red LED or a voice signal is output.
표 1
Figure PCTKR2009005821-appb-T000001
 Table 1
Figure PCTKR2009005821-appb-T000001
또한, 상기 제어부에는 ADC(Analog-Digital Converter)가 내장되어 있어 아날로그 형태인 전압 레벨을 디지털로 변환시킬 수 있으며, 디지털로 변환된 전압값에 따라 디스플레이부에서 수분함량 정도를 단계별로 표시할 수 있다. In addition, the control unit has an analog-to-digital converter (ADC) built-in to convert the voltage level in the form of an analog to digital, the display unit can display the water content in step by step according to the digital voltage value converted. .
도 4에 도시된 바와 같이. 본 발명의 일 실시예에 따른 화분용 수분 모니터링 장치의 상기 주장치부(20)는 케이스(30)로 덮여 있을 수 있다. 상기 케이스(30)에는 식물의 수분함량 정도를 단계별로 표시하는 디스플레이부를 포함할 수 있다.As shown in FIG. The main unit 20 of the pollen moisture monitoring device according to an embodiment of the present invention may be covered with a case (30). The case 30 may include a display unit for displaying the water content of the plant in stages.
도 5는 본 발명의 일 실시예에 따른 화분용 수분 모니터링 장치를 화분에 장착시킨 사진이다. 도 5에 나타난 바와 같이, 본 발명에 따른 화분용 수분 모니터링 장치의 전극부가 화분의 토양에 삽입되어, 토양의 수분 함량을 모니터링 할 수 있다.Figure 5 is a photograph mounted on the potted plant moisture monitoring device according to an embodiment of the present invention. As shown in Figure 5, the electrode portion of the pollen moisture monitoring device according to the present invention is inserted into the soil of the pot, it is possible to monitor the moisture content of the soil.
이상 상세히 설명한 바와 같이, 본 발명에 따른 화분용 수분 모니터링 장치는 전극이 절연체로 코팅되어 있어, 전극의 부식이 발생되지 않아, 장기간 사용하여도 정확도를 유지할 수 있으며, 식물의 종류에 따라 정전용량의 감지 감도 또는 출력신호 레벨을 조절함으로써, 화분내 토양에 존재하는 수분을 모니터링 할 수 있다.As described in detail above, the pollen moisture monitoring device according to the present invention, since the electrode is coated with an insulator, corrosion of the electrode does not occur, it is possible to maintain the accuracy even for long-term use, according to the type of plant By adjusting the sensitivity or output signal level, the moisture present in the soil in the pot can be monitored.
이상으로 본 발명 내용의 특정한 부분을 상세히 기술하였는 바, 당업계의 통상의 지식을 가진 자에게 있어서, 이러한 구체적 기술은 단지 바람직한 실시양태일 뿐이며, 이에 의해 본 발명의 범위가 제한되는 것이 아닌 점은 명백할 것이다. 따라서 본 발명의 실질적인 범위는 첨부된 청구항들과 그것들의 등가물에 의하여 정의된다고 할 것이다. Having described the specific parts of the present invention in detail, it is apparent to those skilled in the art that such specific descriptions are merely preferred embodiments, thereby not limiting the scope of the present invention. something to do. Therefore, the substantial scope of the present invention will be defined by the appended claims and their equivalents.

Claims (7)

  1. 화분내 토양의 수분함량에 따라 변화하는 정전용량을 감지하는 전극부 및 상기 전극부에서 정전용량을 감지하는 것을 제어하고, 감지된 결과를 출력하는 주장치부로 구성된 화분용 수분 모니터링 장치에 있어서, In the pollen moisture monitoring device comprising an electrode unit for detecting the capacitance changes according to the moisture content of the soil in the potted plant and controlling the sensing of the capacitance in the electrode unit, and outputs the detected result,
    상기 전극부는 플레이트 형태이며, 상기 전극부의 일단에는 단일 전극이 형성되어 있고,The electrode portion has a plate shape, a single electrode is formed on one end of the electrode portion,
    상기 주장치부는 (a) 정전용량센서 회로부; (b) 장치의 구동을 위한 전력을 공급하는 전원부; (c) 상기 전극부에서 감지된 정전용량을 신호로 표시하는 출력부; 및 (d) 상기 정전용량센서 회로부, 상기 전원부, 상기 전극부 및 상기 출력부의 작동관계를 제어하는 제어부를 포함하며,The main unit portion (a) capacitive sensor circuit portion; (b) a power supply unit supplying power for driving the apparatus; (c) an output unit displaying a capacitance sensed by the electrode unit as a signal; And (d) a control unit controlling an operation relationship of the capacitive sensor circuit unit, the power supply unit, the electrode unit, and the output unit,
    상기 전극부와 주장치부는 일체형의 인쇄회로기판에 형성되어 있는 것을 특징으로 하는 화분용 수분 모니터링 장치.The electrode unit and the main unit is a moisture monitoring device for a potted plant, characterized in that formed on the integrated printed circuit board.
  2. 제1항에 있어서, 상기 전극부의 일단에 형성된 전극은 절연체로 코팅된 것을 특징으로 하는 화분용 수분 모니터링 장치.According to claim 1, wherein the electrode formed at one end of the electrode unit is a pollen moisture monitoring device, characterized in that the coating with an insulator.
  3. 제1항에 있어서, 상기 전극부의 일단에 형성된 전극은 상기 인쇄회로기판의 상부 또는 하부에 형성된 것을 특징으로 하는 화분용 수분 모니터링 장치.According to claim 1, wherein the electrode formed on one end of the electrode unit pollen moisture monitoring device, characterized in that formed on the upper or lower portion of the printed circuit board.
  4. 제1항에 있어서, 상기 전극부는 가로 0.5~5㎝, 세로 5~20㎝의 플레이트 형태이며, 토양에 삽입이 용이하도록 끝단이 뾰족한 것을 특징으로 하는 화분용 수분 모니터링 장치.The device of claim 1, wherein the electrode part has a plate shape of 0.5 to 5 cm in width and 5 to 20 cm in length, and has a pointed tip to facilitate insertion into soil.
  5. 제1항에 있어서, 상기 출력부는 상기 감지된 정전용량에 따라 화분내 토양의 수분함량을 램프 또는 음성 신호로 출력하는 것을 특징으로 하는 화분용 수분 모니터링 장치.According to claim 1, The output unit pollen moisture monitoring device, characterized in that for outputting the moisture content of the soil in the pot according to the detected capacitance as a lamp or a voice signal.
  6. 제1항에 있어서, 상기 제어부는 식물의 종류에 따라 정전용량의 감지 감도 또는 출력신호 레벨을 조절하는 것을 특징으로 하는 화분용 수분 모니터링 장치. According to claim 1, The control unit pollen moisture monitoring device, characterized in that for adjusting the sensitivity or the output signal level of the capacitance according to the type of plant.
  7. 제1항에 있어서, 상기 주장치부는 케이스로 덮이는 것을 특징으로 하는 화분용 수분 모니터링 장치. The pollen moisture monitoring device according to claim 1, wherein the main unit is covered with a case.
PCT/KR2009/005821 2009-07-28 2009-10-12 Moisture monitor for flowerpot WO2011013875A1 (en)

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