KR20020089065A - On-Line Water Quality Measurememt System - Google Patents
On-Line Water Quality Measurememt System Download PDFInfo
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- KR20020089065A KR20020089065A KR1020010028215A KR20010028215A KR20020089065A KR 20020089065 A KR20020089065 A KR 20020089065A KR 1020010028215 A KR1020010028215 A KR 1020010028215A KR 20010028215 A KR20010028215 A KR 20010028215A KR 20020089065 A KR20020089065 A KR 20020089065A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 238000004458 analytical method Methods 0.000 claims abstract description 9
- 238000005259 measurement Methods 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 6
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1806—Biological oxygen demand [BOD] or chemical oxygen demand [COD]
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Abstract
Description
본 발명은 실시간 수질측정 시스템에 관한 것으로서, 보다 상세하게는 오폐수에 적외선을 발산한 후 음향광학가변파장필터를 통해 투과되는 빛의 파장을 분석함으로써 오폐수의 성분분석 및 COD, BOD를 측정할 뿐만 아니라 Ph농도 및 수온을 측정한 데이터를 원격지에서 수신하여 실시간으로 오폐수를 측정할 수 있도록 한 실시간 수질측정 시스템에 관한 것이다.The present invention relates to a real-time water quality measurement system, and more particularly, by analyzing the wavelength of light transmitted through the acoustic optical variable wavelength filter after emitting infrared radiation to the wastewater, as well as measuring the component analysis and COD, BOD of the wastewater. The present invention relates to a real-time water quality measurement system that can measure wastewater in real time by receiving data measuring pH concentration and water temperature from a remote site.
하천 등의 수질을 측정하기 위해서는 측정하고자 하는 여러 지점에 직접가서 시료를 채취한 후 시료의 수질을 검사하여 하천 등의 수질을 측정하게 된다.In order to measure the water quality of the river, the sample is taken directly to various points to be measured and the water quality of the stream is measured by inspecting the water quality of the sample.
또는, 하천 등의 일정한 위치에 수질측정기를 설치한 후 측정기 자체에 기록된 결과를 수집하여 수질을 검사하게 된다.Alternatively, the water quality tester is installed at a predetermined position such as a river, and the result recorded in the tester itself is collected to inspect the water quality.
위와 같이 하천 등의 수질을 측정하기 위해서는 하천에 가서 시료를 채취하거나 하천 등에 수질을 측정할 수 있는 수질측정기를 설치해야 하는 문제점이 있다.In order to measure the water quality of the rivers as described above, there is a problem in that a water quality measuring instrument capable of collecting a sample or measuring the water quality in a river or the like is collected.
본 발명은 상기와 같은 문제점을 해결하기 위해 창작된 것으로서, 본 발명의 목적은 하천 등에 수질을 측정하기 위한 수질측정기를 설치하고 원격지에서 수질측정기의 측정결과를 수신받아 실시간으로 정기적인 수질의 변화를 측정할 뿐만 아니라 측정되는 주기를 원격지에서 제어할 수 있도록 한 실시간 수질측정 시스템을 제공함에 있다.The present invention was created to solve the above problems, an object of the present invention is to install a water quality meter for measuring the water quality in the river, etc. and receive the measurement results of the water quality meter at a remote location to periodically change the water quality in real time In addition to measuring, it provides a real-time water quality measurement system that enables remote control of the interval being measured.
도 1은 본 발명에 의한 실시간 수질측정 시스템을 나타낸 블록구성도이다.1 is a block diagram showing a real-time water quality measurement system according to the present invention.
도 2는 본 발명에 의한 실시간 수질측정 시스템을 통해 여러 지점의 수질을 측정하는 상태를 나타낸 도면이다.2 is a view showing a state of measuring the water quality of various points through the real-time water quality measurement system according to the present invention.
- 도면의 주요부분에 대한 부호의 설명 --Explanation of symbols for the main parts of the drawings-
10 : 시료채취기 11 : 고정추10: sampler 11: fixed weight
12 : 도어 14 : 도어구동부12: door 14: door driver
16 : 펌프 18 : Ph센서16 pump 18 Ph sensor
20 : 온도센서 22 : 램프20: temperature sensor 22: lamp
24 : 옵틱파이버 26 : 음향광학파장 가변필터24: optical fiber 26: acoustic optical wavelength variable filter
28 : 필터구동부 30 : 제어부28: filter driver 30: control unit
32 : 렌즈 34 : 신호검출기32: Lens 34: Signal Detector
36 : 신호증폭기 38 : A/D변환기36: signal amplifier 38: A / D converter
40 : 제 1RF모뎀 42 : 제 2RF모뎀40: first RF modem 42: second RF modem
44 : 주제어부 46 : 표시부44: main controller 46: display unit
상기와 같은 목적을 실현하기 위한 본 발명은 물속에 일정한 수위를 유지하면서 부유하여 시료를 채취하는 시료채취기와, 시료채취기로 시료를 유입시켜 가두거나 유입된 시료를 배출하기 위한 도어와, 도어의 개폐를 작동시키는 도어구동부와, 시료채취기에서 시료를 강제적으로 배출시키거나 흡입하기 위한 펌프와, 시료채취기가 물속에 부유할 때 균형을 잡을 수 있도록 시료채취기 하부에 설치된 고정추와, 시료채취기에 채취된 시료의 전기 전도도를 측정하기 위한 Ph센서와, 시료채취기에 채취된 시료의 온도를 측정하기 위한 온도센서와, 시료에 적외선을 방사하기 위한 램프와, 시료에 방사된 적외선을 인입하여 필터링하는 음향광학파장 가변필터와, 음향광학파장 가변필터를 구동시키기 위한 필터구동부와, 음향광학파장 가변필터를 통과한 빛을 증폭하기 위한 렌즈와, 렌즈를 통과한 빛의 세기를 전기적인 신호로 검출하는 신호검출기와, 신호검출기를 통해 검출된 신호를 증폭하기 위한 신호증폭기와, Ph센서와 온도센서와 신호증폭기의 출력값을 디지털값으로 변환하는 A/D변환기와, A/D변환기의 출력값을 식별ID를 부여하여 무선으로 전송하기 위한 제 1RF모뎀과, 도어구동부와 펌프와 램프와 필터구동부를 제 1RF모뎀을 통해 입력된 명령에 따라 작동을 조절하는 제어부와, 원격지에서 제 1RF모뎀으로부터 입력되는 측정값을 입력받기 위한 제 2RF모뎀과, 제 2RF모뎀을 통해 입력된 측정값들을 식별 ID별로 분리하여 수질을 분석하는 주제어부와, 주제어부에서의 수질분석 결과를 표시하기 위한 표시부로 이루어진 것을 특징으로 한다.The present invention for realizing the above object is a sampler for collecting a sample while floating while maintaining a constant water level in the water, the door for infiltrating or discharging the sample by introducing the sample into the sampler, opening and closing the door A door driving unit for operating the device, a pump for forcibly discharging or suctioning the sample from the sampler, a fixed weight installed at the bottom of the sampler so as to balance when the sampler floats in water, and Ph sensor for measuring the electrical conductivity of the sample, temperature sensor for measuring the temperature of the sample collected in the sampler, lamp for radiating infrared rays to the sample, and acoustic optics for introducing and filtering the infrared rays emitted to the sample Passing the wavelength variable filter, the filter driver for driving the acoustic optical wavelength variable filter, and the acoustic optical wavelength variable filter A lens for amplifying light, a signal detector for detecting the intensity of light passing through the lens as an electrical signal, a signal amplifier for amplifying the signal detected by the signal detector, a Ph sensor, a temperature sensor, and a signal amplifier. An A / D converter for converting the output value to a digital value, a first RF modem for wirelessly transmitting the output value of the A / D converter with an identification ID, a door driver, a pump, a lamp, and a filter driver through the first RF modem. The control unit controls the operation according to the input command, the second RF modem for receiving the measurement value input from the first RF modem at the remote site, and the measurement value input through the second RF modem by separating the identification ID by the identification ID to analyze the water quality The main control unit and a display unit for displaying the result of the water quality analysis in the main control unit.
위와 같이 이루어진 본 발명은 제 1RF모뎀과 제 2RF모뎀을 통해 시료채취기들로부터 입력되는 측정값을 원격지에서 수신하여 원격지의 수질을 측정간격을 원격으로 조정하면서 실시간으로 측정할 수 있을 뿐만 아니라 음향광학파장 가변필터를 통해 물의 COD, BOD를 비롯한 성분분석을 할 수 있다.The present invention made as described above can receive the measured values input from the samplers through the first RF modem and the second RF modem at a remote location to measure the water quality of the remote site in real time while remotely adjusting the measurement interval, as well as the acoustic optical wavelength. The variable filter allows for component analysis, including water COD and BOD.
이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 설명한다. 또한 본 실시예는 본 발명의 권리범위를 한정하는 것은 아니고, 단지 예시로 제시된 것이다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. In addition, this embodiment is not intended to limit the scope of the present invention, but is presented by way of example only.
도 1은 본 발명에 의한 실시간 수질측정 시스템을 나타낸 블록구성도이다.1 is a block diagram showing a real-time water quality measurement system according to the present invention.
물속에 일정한 수위를 유지하면서 부유하여 시료를 채취하는 시료채취기(10)와, 시료채취기(10)로 시료를 유입시켜 가두거나 유입된 시료를 배출하기 위한 도어(12)와, 도어(12)의 개폐를 작동시키는 도어구동부(14)와, 시료채취기(10)에서 시료를 강제적으로 배출시키거나 흡입하기 위한 펌프(16)와, 시료채취기(10)가 물속에 부유할 때 균형을 잡을 수 있도록 시료채취기(10) 하부에 설치된 고정추(11)와, 시료채취기(10)에 채취된 시료의 전기 전도도를 측정하기 위한 Ph센서(18)와, 시료채취기(10)에 채취된 시료의 온도를 측정하기 위한 온도센서(20)와, 시료에 적외선을 방사하기 위한 램프(22)와, 시료에 방사된 적외선을 인입하여 필터링하는 음향광학파장 가변필터(26)와, 음향광학파장 가변필터(26)를 구동시키기 위한 필터구동부(28)와, 음향광학파장 가변필터(26)를 통과한 빛을 증폭하기 위한 렌즈(32)와, 렌즈(32)를 통과한 빛의 세기를 전기적인 신호로 검출하는 신호검출기(34)와, 신호검출기(34)를 통해 검출된 신호를 증폭하기 위한 신호증폭기(36)와, Ph센서(18)와 온도센서(20)와 신호증폭기(36)의 출력값을 디지털값으로 변환하는 A/D변환기(38)와, A/D변환기(38)의 출력값을 식별ID를 부여하여 무선으로 전송하기위한 제 1RF모뎀(40)과, 도어구동부(14)와 펌프(16)와 램프(32)와 필터구동부(28)를 제 1RF모뎀(40)을 통해 입력된 명령에 따라 작동을 조절하는 제어부(30)와, 원격지에서 제 1RF모뎀(40)으로부터 입력되는 측정값을 입력받기 위한 제 2RF모뎀(42)과, 제 2RF모뎀(42)을 통해 입력된 측정값들을 식별ID별로 분리하여 수질을 분석하는 주제어부(44)와, 주제어부(44)에서의 수질분석 결과를 표시하기 위한 표시부(46)로 이루어진다.A sampler (10) for collecting a sample while floating while maintaining a constant water level in the water, a door (12) for confining or discharging the sample by introducing the sample into the sampler (10), and the door 12 The door driving unit 14 for opening and closing, the pump 16 for forcibly discharging or inhaling the sample from the sampler 10, and the sampler 10 so as to balance the sampler 10 when floating in the water. Measuring the temperature of the sample collected in the fixed weight 11, the pH sensor 18 for measuring the electrical conductivity of the sample collected in the sampler 10, the sampler 10, A temperature sensor 20 for adjusting, a lamp 22 for radiating infrared rays to the sample, an acoustic optical wavelength variable filter 26 for introducing and filtering infrared rays emitted to the sample, and an acoustic optical wavelength variable filter 26 Filter driving unit 28 for driving the light source and an acoustic optical wavelength variable filter 26 Lens 32 for amplifying the light passing through), a signal detector 34 for detecting the intensity of the light passing through the lens 32 as an electrical signal, and a signal detected through the signal detector 34 A / D converter 38 and A / D converter 38 for converting the output values of the signal amplifier 36, the Ph sensor 18, the temperature sensor 20, and the signal amplifier 36 into a digital value for amplification. The first RF modem 40, the door driver 14, the pump 16, the lamp 32, and the filter driver 28 for wirelessly transmitting the ID of the output value to the first RF modem 40. Through the control unit 30 for adjusting the operation according to the command input through the second, the second RF modem 42 for receiving the measurement value input from the first RF modem 40 from the remote, and through the second RF modem 42 The main control unit 44 separates the input measurement values by identification ID and analyzes the water quality, and a display unit 46 for displaying the water quality analysis results from the main control unit 44. .
또한, 도 2는 본 발명에 의한 실시간 수질측정 시스템을 통해 여러 지점의 수질을 측정하는 상태를 나타낸 도면이다.In addition, Figure 2 is a view showing a state of measuring the water quality of several points through the real-time water quality measurement system according to the present invention.
여기에 도시된 바와 같이 부유되는 시료채취기(10)를 실시간으로 측정하고자 하는 곳에 설치한 후 각각 RF모뎀을 통해 측정된 값을 송신할 때 자신의 고유 식별 ID를 함께 전송하기 때문에 주제어부에선 수신된 측정간을 식별ID별로 각각 분리하여 각 지점의 수질을 실시간으로 분석하게 된다.As shown here, since the floating sampler 10 is installed in a place to be measured in real time, each unique ID is transmitted when the measured values are transmitted through the RF modem. The water quality of each point is analyzed in real time by separating each measurement by identification ID.
위와 같이 이루어진 본 발명은 하천 등에서 시료를 채취하기 위해서 시료채취기를 물속의 일정한 수위를 유지하면서 고정되도록 하천 등에 설치하면 시료채취기의 몸체 하부에 형성된 고정추(11)에 의해 중심을 잡고 유지된다.The present invention made as described above is maintained by holding the center by the fixed weight (11) formed in the lower body of the sampler when the sampler is installed in the river to be fixed while maintaining a constant level in the water to collect the sample in the river.
이때 고정추(11)는 본체의 부력에 동기되는 무게를 갖도록 한다.At this time, the fixed weight 11 to have a weight synchronized with the buoyancy of the main body.
이와 같이 시료채취기(10)를 하천 등에 설치한 후 제어부(30)에서 도어구동부(14)를 작동시켜 도어(12)를 열어 하천 등의 물이 시료채취기(10)로 유입되도록 한 후 시료가 채취되면 도어(12)를 닫아 물의 움직임이 없도록 한다. 그런다음 측정을 완료하면 도어(12)를 열어 채취한 시료를 교환하게 되는데 물의 흐름이 없는곳에서는 채취한 물을 효율적으로 배출하기 위해 제어부(30)에서 펌프(16)를 작동시켜 채취한 물을 배출하게 된다.After the sampler 10 is installed in a river or the like, the control unit 30 operates the door driver 14 to open the door 12 so that water such as a stream flows into the sampler 10 and then collects the sample. When the door 12 is closed so that there is no movement of water. Then, when the measurement is completed, the door 12 is opened to exchange the collected sample. In the absence of water flow, the pump 16 is operated by the control unit 30 to discharge the collected water efficiently. Will be discharged.
위에서 시료채취기(10)에 채취한 시료에 온도센서(20)를 통해 온도를 측정하고, 또한, Ph센서(18)를 통해 물의 전도도를 측정한다.The temperature is measured by the temperature sensor 20 to the sample collected in the sampler 10 from above, and also through the Ph sensor 18 to measure the conductivity of water.
그리고, 시료에서 COD, BOD, 성분분석을 위해 옵틱파이버(24)를 사용하고 외부에서 시료에 램프(22)에서 방사되는 적외선을 시료에 방사한 후 다시 반사되는 빛을 옵틱파이버(24)를 통해 음향광학파장 가변필터(26)에서 입력받도록 한다.In addition, the optical fiber 24 is used for COD, BOD, and component analysis in the sample, and after the infrared rays emitted from the lamp 22 are radiated to the sample from the outside, the light reflected back through the optical fiber 24 is used. Acoustic optical wavelength variable filter 26 to be input.
따라서, 제어부(30)에서 광원과 필터구동부(28)를 작동시켜 시료로 근적외선영역대인 700nm에서 2500nm대역을 순차적으로 전 파장 대역을 스캐닝하여 유입된 시료로 방사하면 시료에 반사되는 파장을 옵틱파이버(24)를 통해 음향광학파장 가변필터(26)를 통과하도록 한다.Therefore, the control unit 30 operates the light source and the filter driver 28 to sequentially scan the entire wavelength band from 700 nm to 2500 nm, which is the near-infrared region, to radiate the sample into the introduced sample. 24 through the acoustooptic wavelength variable filter 26.
음향광학파장 가변필터(26)는 제어부(30)에 의해 필터구동부(28)를 작동시키면 필터구동부(28)에서 1W에서 5W의 출력을 갖는 30MHz에서 200MHz의 무선주파수를 순차적으로 25KHz 대역폭으로 PLL에 의한 발진으로 발생시키고, 이 출력되는 무선주파수에 구형파를 믹서시켜 증폭하여 음향광학파장 가변필터(26)로 인가시키게 되면 인입되는 빛에서 특정한 파장의 광원만을 검출하게 된다.Acoustic optical wavelength variable filter 26 operates the filter driver 28 by the controller 30, and the filter driver 28 sequentially transmits a radio frequency of 30 MHz to 200 MHz with an output of 1 W to 5 W to the PLL with 25 KHz bandwidth. When generated by the oscillation, and amplified by mixing the square wave to the output radio frequency and applied to the acoustic optical wavelength variable filter 26, only the light source having a specific wavelength is detected from the incoming light.
이때, 출력된 무선 주파수는 공중방사가 아닌 음향광학파장 가변필터(26)에서 전부 소비되는 구조를 갖도록 한다.At this time, the output radio frequency has a structure in which all of the acoustic optical wavelength variable filters 26 are consumed instead of air radiation.
이렇게 음향광학파장 가변필터(26)를 통과한 광원은 렌즈(32)를 통과하면서 증폭되고, 증폭된 빛의 세기를 신호검출기(34)에 의해 전기적인 신호로 검출하게된다.The light source passed through the acoustic optical wavelength variable filter 26 is amplified while passing through the lens 32, and the signal intensity of the amplified light is detected by the signal detector 34 as an electrical signal.
신호검출기(34)는 빛의 세기를 전기적인 신호로 변환하기 위한 PDA(Photo Diode Array)를 사용한다.The signal detector 34 uses a photo diode array (PDA) for converting light intensity into an electrical signal.
이와 같이 신호검출기(34)를 통해 음향광학파장 가변필터(26)를 통과한 빛의 세기를 전기적인 신호로 변환한 후 이 신호를 신호증폭기(36)에 의해 증폭한다.As such, after converting the intensity of light passing through the acoustic optical wavelength variable filter 26 through the signal detector 34 into an electrical signal, the signal is amplified by the signal amplifier 36.
그런다음, Ph센서(18)의 출력값과 온도센서(20)의 출력값과 신호증폭기(36)에 의해 증폭된 신호를 A/D변환기(38)에 의해 디지털 값으로 변환한 후 고유 식별 ID와 함께 제 1RF모뎀(40)을 통해 원격지에 있는 주제어부(44)로 송신하게 된다.Then, the output value of the Ph sensor 18, the output value of the temperature sensor 20, and the signal amplified by the signal amplifier 36 are converted into digital values by the A / D converter 38 and then together with the unique identification ID. The first RF modem 40 transmits to the main controller 44 located at a remote location.
또한, 주제어부(44)에서는 제 2RF모뎀(42)을 통해 제 1RF모뎀(40)으로부터 송신되는 신호를 입력받아 고유 식별ID별로 분리한 후 해당 지역의 전기전도도에 의한 Ph농도와 수온, 그리고, 물의 COD, BOD, 성분분석을 한 후 표시부(46)를 통해 측정된 결과를 표시한다.In addition, the main control unit 44 receives a signal transmitted from the first RF modem 40 through the second RF modem 42 and separates it by the unique identification ID, and then the pH concentration and water temperature according to the electrical conductivity of the region, and After COD, BOD, and component analysis of water, the measurement result is displayed through the display unit 46.
그리고, 주제어부(44)에서는 제 2RF모뎀(42)을 통해 원격지에 설치된 시료채취기의 작동을 제어하기 위한 명령을 송신하게 되고, 제 1RF모뎀(40)에서는 이 명령을 수신하여 제어부(30)로 전달함에 따라 제어부(30)에서는 주제어부(44)에서 전달된 시료 채취주기의 명령에 따라 시료채취기의 도어구동부(14)를 작동 주기를 조절하게 된다.Then, the main controller 44 transmits a command for controlling the operation of the sampler installed at a remote location through the second RF modem 42, and the first RF modem 40 receives the command to the controller 30. As the control unit 30 controls the operation cycle of the door driving unit 14 of the sampler in accordance with the command of the sample collection cycle transmitted from the main controller 44.
또한, 이 주기에 따라 램프(22)의 점등과 필터구동부(28)의 작동도 함께 제어하게 된다.In addition, according to this cycle, the lighting of the lamp 22 and the operation of the filter driver 28 are also controlled.
한편, 제 1RF모뎀(40)과 제 2RF모뎀(42)은 서로 제어신호와 측정신호를 주고받기 위해 쌍방향 통신을 할 수 있는 풀듀플레스 통신을 행하며 송수신 주파수는 400MHz 대역으로 송수신 한다.On the other hand, the first RF modem 40 and the second RF modem 42 performs a full-duplex communication capable of two-way communication to send and receive a control signal and a measurement signal with each other and transmit and receive frequencies in the 400MHz band.
위와 같이 시료채취기(10)를 하천 등의 수질을 측정하고자 하는 여러 지점에 설치한 후 RF모뎀을 통해 원격지에서 원하는 측정주기에 따라 실시간으로 수질을 측정한 데이터를 수신받아 하천 등의 수질변동 상태를 즉시 관찰 할 수 있게 된다.After installing the sampler 10 at various points to measure the water quality, such as the river, and receiving the data measured in real time according to the desired measurement cycle from the remote site through the RF modem to receive the water quality fluctuation state of the river, etc. You will be able to observe immediately.
상기한 바와 같이 본 발명은 오폐수에 적외선을 발산한 후 음향광학가변파장 필터를 통해 투과되는 빛의 파장을 분석함으로써 오폐수의 성분분석 및 COD, BOD를 측정할 뿐만 아니라 Ph농도 및 수온을 비롯한 측정 데이터를 원격지에서 수신하여 실시간으로 오폐수를 측정할 수 있도록 함으로써 실시간으로 수질의 변동을 측정할 수 있는 이점이 있다.As described above, the present invention analyzes the wavelength of light transmitted through the acoustic optical variable wavelength filter after emitting infrared rays to the wastewater, and not only the component analysis of the wastewater and COD, BOD but also measurement data including Ph concentration and water temperature. By receiving the remote from the real-time wastewater can be measured in real time, there is an advantage that can measure the change in water quality in real time.
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| CN105699618A (en) * | 2016-03-15 | 2016-06-22 | 中天科技海缆有限公司 | Real-time and online water quality monitoring system |
| US9997928B2 (en) | 2012-07-27 | 2018-06-12 | Tc1 Llc | Self-tuning resonant power transfer systems |
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| KR102022351B1 (en) * | 2019-05-03 | 2019-09-19 | 주식회사 대아이엔지 | Bod prediction device using measuring suspended solid |
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