KR850008718A - 전기식 수분 측정장치와 수분측정 및 표시방법 - Google Patents

전기식 수분 측정장치와 수분측정 및 표시방법 Download PDF

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KR850008718A
KR850008718A KR1019850002071A KR850002071A KR850008718A KR 850008718 A KR850008718 A KR 850008718A KR 1019850002071 A KR1019850002071 A KR 1019850002071A KR 850002071 A KR850002071 A KR 850002071A KR 850008718 A KR850008718 A KR 850008718A
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Prior art keywords
moisture
sample
temperature
eprom
moisture content
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KR1019850002071A
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KR870001485B1 (ko
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구니 도끼 (외 1)
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에모리 에이 사꾸
가부시기 가이샤 켓트 가가꾸 겐뀨우쇼
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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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
    • G01R27/2605—Measuring capacitance
    • 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
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • 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

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  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

내용 없음

Description

전기식 수분 측정장치와 수분측정 및 표시방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 수분 측정장치의 블록선도.
제3도는 본 발명에 따른 수분측정장치의 작동을 보인 플로우 챠아트.
* 도면의 주요 부분에 대한 부호의 설명.
1,2:전극, 3:수분 측정회로, 4:선택회로, 5:A/D변환기 6:CPU 9:EPROM, 10:세그먼트 데코우더, 12:RAM 15:온도 측정회로, 34:충전회로, 35:클럭회로, 36:연산 증폭기

Claims (4)

  1. 전극간에 채워진 곡물 시료의 수분 함유량을 표시하는 전기식 수분 측정장치에 있어서, 시료의 종류를 지정하는 여러개의 키와, 수분 함유량을 나타내는 전압을 발생시키는 수분 함유량 측정회로와, 전압에 해당하는 디지를 신호를 발생시키는 A/D 변환기와, 지정된 시료 종류에 따라 연산하기 위하여 파라메타를 기억시키도록 소거 가능하고 재수록 가능한 EPROM과, 상기 디지를 신호값과 지정된 시료 종류에 관련된 상기 신호에 응답하여서 지정된 시료 종류에 따라 EPROM으로부터 읽혀진 연산 파라메타에 의하여 계산된 수분 함유량 값을 구하는 CPU와, 수분함유량 값을 숫자로 표시하는 표시기등을 구비하게 한 전기식 수분 측정장치.
  2. 제1항에 있어서, 여러개의 키를 중복하여 누름으로서 원시 데이터 표시 모우드를 지정할 때, CPU가 표시기상에 디지틀 신호값을 표시하게 하고, 회로기판상에 설치된 IC 소켓트에 정전되는 EPROM이 교체될 수 있어, 원시데이트에 의거하여 결정된 연산 파라메타로 수록된 EPROM이 장전되게 할 수 있게한 전기적 수분 측정장치.
  3. 제2항에 있어서, 수분 측정장치에는 곡물시료 근방에 배열한 온도 감지기를 구비하여 측정된 온도신호를 발생시키는 온도 측정회로와, 상기 측정온도신호와 상기 전압을 공급하고 CPU에 의하여 제어되게 하여 상기 신호중 어느 한 신호를 A/D변환기에 인가하는 선택회로와, 곡물시료의 종류에 대한 온도보정된 연산 파라메타를 기억하는 상기 EPROM 과 온도 보정된 수분 함유량 값을 표시기에 인가하는 CPU 등을 구비하게 한 수분 측정장치.
  4. 전극간에 채워진 피측정물 시료의 수분 함유량을 전기적으로 측정하여 표시하는 방법에 있어서, 상기 시료의 수분 함유량에 해당하는 디지틀 신호값을 구하는 단계와, 상기 시료근방의 온도를 측정하고 그 측정값을 디지틀 신호값으로 구하는 단계와, 곡물 시료의 종류에 해당하는 연산 파라메타와 소거가능하고 재수록 가능한 EPROM으로 부터의 온도 보정된 연산 파라메타를 읽어내어 온도 보정후에 수분 함유량을 연산하는 단계와, 원시 데이터 표시 모우드를 지정하자마자 디지틀 신호값을 숫자로 표시하고 곡물시료의 종류에 해당하는 연산 파라메타와 온도 보정된 연산파라메타가 EPROM 내에 수록되게 하면서, 수분 함유량을 숫자로 표시하는 단계들로 이루어진 수분 측정 및 표시방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850002071A 1984-05-21 1985-03-28 전기식 수분측정장치와 수분측정 및 표시방법 KR870001485B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP102430 1981-07-01
JP84-102430 1984-05-21
JP59102430A JPS60244848A (ja) 1984-05-21 1984-05-21 電気式水分計

Publications (2)

Publication Number Publication Date
KR850008718A true KR850008718A (ko) 1985-12-21
KR870001485B1 KR870001485B1 (ko) 1987-08-13

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KR1019850002071A KR870001485B1 (ko) 1984-05-21 1985-03-28 전기식 수분측정장치와 수분측정 및 표시방법

Country Status (4)

Country Link
US (1) US4621228A (ko)
JP (1) JPS60244848A (ko)
KR (1) KR870001485B1 (ko)
IN (1) IN163228B (ko)

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WO1989003527A1 (en) * 1987-10-02 1989-04-20 Yallup, Albert, Edward An electronic moisture measuring instrument
GB2210693B (en) * 1987-10-02 1991-10-23 Scanflow Systems Ltd A portable moisture measuring instrument
JPH0318748A (ja) * 1989-06-16 1991-01-28 Yamamoto Mfg Co Ltd 穀物含水率測定装置
US5274334A (en) * 1989-12-18 1993-12-28 Honeywell Inc. Calibrated physical parameter value measurement system
DE4024402C1 (ko) * 1990-08-01 1991-10-31 Dr.Ing.H.C. F. Porsche Ag, 7000 Stuttgart, De
US5143452A (en) * 1991-02-04 1992-09-01 Rockwell International Corporation System for interfacing a single sensor unit with multiple data processing modules
US5349676A (en) * 1991-02-11 1994-09-20 General Electric Company Data acquisition systems with programmable bit-serial digital signal processors
JP2748196B2 (ja) * 1991-04-26 1998-05-06 株式会社ジャパンエナジー 化学センサの温度依存性の補正方法
US5493229A (en) * 1994-03-31 1996-02-20 Farmex, Inc. Portable grain moisture meter
CN1167949C (zh) * 1996-02-06 2004-09-22 利布黑尔混和技术有限公司 湿度传感器及其校正方法
GB2347220B (en) * 1999-02-23 2003-12-31 Rynhart Res Ltd A moisture meter
US20050127925A1 (en) * 2003-12-10 2005-06-16 Staples Peter E. Moisture sensor

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US4193116A (en) * 1977-04-27 1980-03-11 Dickey-John Corporation Analysis instrument
US4150433A (en) * 1977-10-17 1979-04-17 Digital Equipment Corporation Automatic common mode rejection in an analog measuring system
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Also Published As

Publication number Publication date
JPS60244848A (ja) 1985-12-04
US4621228A (en) 1986-11-04
KR870001485B1 (ko) 1987-08-13
IN163228B (ko) 1988-08-27

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