KR960018529A - Liquid level detection device using conductive polymer - Google Patents

Liquid level detection device using conductive polymer Download PDF

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Publication number
KR960018529A
KR960018529A KR1019940029990A KR19940029990A KR960018529A KR 960018529 A KR960018529 A KR 960018529A KR 1019940029990 A KR1019940029990 A KR 1019940029990A KR 19940029990 A KR19940029990 A KR 19940029990A KR 960018529 A KR960018529 A KR 960018529A
Authority
KR
South Korea
Prior art keywords
liquid level
level detection
conductive polymer
resistor
detection device
Prior art date
Application number
KR1019940029990A
Other languages
Korean (ko)
Other versions
KR100196323B1 (en
Inventor
김재욱
Original Assignee
정몽원
만도기계 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 정몽원, 만도기계 주식회사 filed Critical 정몽원
Priority to KR1019940029990A priority Critical patent/KR100196323B1/en
Publication of KR960018529A publication Critical patent/KR960018529A/en
Application granted granted Critical
Publication of KR100196323B1 publication Critical patent/KR100196323B1/en

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

저장 탱크에 저장되어 있는 액위를 신속하며 정확하게 검출하기 위하여 본 발명은 고온용 플라스틱을 재질로 하여 제작된 하우징과 상기 하우징의 내부에 수직으로 장착되어 있는 알루미나 기판과 상기 알루미나 기판에 의해서 지지되는 저항체와 상기 알루미나 기판의 표면상에 피복된 전도성 고분자로 이루어져 있는 액위검출 장치를 제공한다.In order to detect the liquid level stored in the storage tank quickly and accurately, the present invention provides a housing made of a high temperature plastic material, an alumina substrate vertically mounted in the housing, and a resistor supported by the alumina substrate. Provided is a liquid level detection device made of a conductive polymer coated on the surface of the alumina substrate.

Description

전도성 고분자를 이용한 액위 검출 장치Liquid level detection device using conductive polymer

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 저장 탱크에 저장되어 있는 본 발명에 따른 액위 검출 장치를 개략적으로 도시한 단면도.2 is a cross-sectional view schematically showing a liquid level detection device according to the present invention stored in a storage tank.

Claims (3)

저장 탱크에 저장되어 있는 액체의 액위를 검출시키기 위한 액위 검출 장치에 있어서, 고온용 플라스틱을 재질로 하여 제작된 하우징과 상기 하우징의 내부에 수직으로 장착되어 있으며 액위의 변화에 비례하여 저항값이 변하는 저항체 및 상기 저항체를 지지하기 위한 알루미나 기판과 상기 알루미나 기판의 표면상에 피복된 전기 전도의 특성을 나타내는 전도성 고분자와 상기 저항체의 저항값의 변화에 대응하는 액위를 검출하는 검출기로 이루어져 있는 것을 특징으로 하는 액위 검출 장치.In the liquid level detection device for detecting the liquid level of the liquid stored in the storage tank, the housing is made of a high-temperature plastic material and mounted vertically inside the housing and the resistance value is changed in proportion to the change of the liquid level. And a detector for detecting a liquid level corresponding to a change in the resistance value of the resistor, the resistor comprising a resistor, an alumina substrate for supporting the resistor, a conductive polymer exhibiting characteristics of electrical conductance coated on the surface of the alumina substrate, and a resistance value of the resistor. Liquid level detection device. 제1항에 있어서, 상기 전도성 고분자는 폴리아닐린으로 이루어져 있는 것을 특징으로 하는 액위 검출장치.The liquid level detection apparatus according to claim 1, wherein the conductive polymer is made of polyaniline. 제2항에 있어서, 상기 전도성 고분자의 양단자에 연결되어서 액체의 액위를 산정하기 위한 상기 검출기는 전위차계 방식에 의해서 작동되는 것을 특징으로 하는 액위 검출 장치.The liquid level detection apparatus according to claim 2, wherein the detector connected to both terminals of the conductive polymer to calculate the liquid level of the liquid is operated by a potentiometer method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940029990A 1994-11-16 1994-11-16 A liquid level measuring apparatus using conductive polymer KR100196323B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940029990A KR100196323B1 (en) 1994-11-16 1994-11-16 A liquid level measuring apparatus using conductive polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940029990A KR100196323B1 (en) 1994-11-16 1994-11-16 A liquid level measuring apparatus using conductive polymer

Publications (2)

Publication Number Publication Date
KR960018529A true KR960018529A (en) 1996-06-17
KR100196323B1 KR100196323B1 (en) 1999-06-15

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ID=19398004

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940029990A KR100196323B1 (en) 1994-11-16 1994-11-16 A liquid level measuring apparatus using conductive polymer

Country Status (1)

Country Link
KR (1) KR100196323B1 (en)

Also Published As

Publication number Publication date
KR100196323B1 (en) 1999-06-15

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