KR920016820A - Flow measuring device - Google Patents

Flow measuring device Download PDF

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Publication number
KR920016820A
KR920016820A KR1019910001984A KR910001984A KR920016820A KR 920016820 A KR920016820 A KR 920016820A KR 1019910001984 A KR1019910001984 A KR 1019910001984A KR 910001984 A KR910001984 A KR 910001984A KR 920016820 A KR920016820 A KR 920016820A
Authority
KR
South Korea
Prior art keywords
flow rate
measuring device
output
interrupt
rotation
Prior art date
Application number
KR1019910001984A
Other languages
Korean (ko)
Other versions
KR930004769B1 (en
Inventor
김동기
Original Assignee
문정환
금성일렉트론 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 문정환, 금성일렉트론 주식회사 filed Critical 문정환
Priority to KR1019910001984A priority Critical patent/KR930004769B1/en
Publication of KR920016820A publication Critical patent/KR920016820A/en
Application granted granted Critical
Publication of KR930004769B1 publication Critical patent/KR930004769B1/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
    • G01F23/02—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 gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)

Abstract

내용 없음No content

Description

유량 측정장치Flow measuring device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 유량측정장치의 회로 구성도. 제2도의 (a) 내지 2도의 (c)는 제1도에 따른 각부 파형도. 제3도는 제1도의 마이컴의 유량측정 제어흐름도.1 is a circuit diagram of a flow measurement device according to the present invention. 2 (a) to 2 (c) are each waveform diagrams according to FIG. 3 is a flow chart of the flow measurement control of the microcomputer of FIG.

Claims (2)

유량에 따른 회전팬(1-1)의 회전을 검출하는 회전검출부(1)와, 그 회전검출부(1)의 출력을 가변설정하는 기준전압과 비교하여 차동증폭된 구형파 펄스로 발생시키는 파형정형화부(2)와, 그 파형정형화부(2)의 출력을 버퍼링후 마이컴이 인식하기에 알맞은 레벨로 레벨변화시키는 레벨변환부(3)와, 그 레벨변환부(3)의 출력에 따라 소정시정수로 카운트하는 타이머(4)와, 그 타이머(4)의 카운트 신호를 인터럽트신호로 인가받아 테스트 모드에 의해 설정되는 1인터럽트 당 유량을 상기 인터럽트마다 현재유량에 누적하여 현재 유량값을 측정하고, 인터럽트가나격에 따라 유량속도를 측정하여 표시부(6)를 통해 표시하도록 하는 마이컴(5)으로 구성하여 된 것을 특징으로 하는 유량측정장치.The rotation detector 1 which detects the rotation of the rotating fan 1-1 according to the flow rate, and the waveform shaping unit which generates the square wave pulses differentially amplified by comparing the output of the rotation detector 1 with the reference voltage which is variably set. (2) and a level converting section 3 for level-changing the output of the waveform shaping section 2 to a level suitable for microcomputer recognition after buffering, and a predetermined time constant in accordance with the output of the level converting section 3. Interrupts the timer 4 and the count signal of the timer 4 Interrupt the flow rate per interrupt applied by the signal and set by the test mode Accumulate the current flow rate every time and measure the current flow rate value, and interrupt Flow rate measuring device, characterized in that consisting of a microcomputer (5) to measure the flow rate according to the gamyeo to display through the display unit (6). 제1항에 있어서, 회전검출부(1)는 유량에 따라 회전하는 회전팬(1-1)의 일정부위에 영구자석(1-2)을 부착하고, 이를 자기저항소자(1-3)를 통해 근접상태를 검출하여 회전검출을 하도록 구성된 것을 특징으로 하는 유량측정장치.The method of claim 1, wherein the rotation detection unit 1 attaches a permanent magnet (1-2) to a predetermined portion of the rotating fan (1-1) to rotate in accordance with the flow rate, and through the magnetoresistive element (1-3) A flow rate measuring device, characterized in that configured to detect the proximity state and rotation detection. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910001984A 1991-02-05 1991-02-05 Apparatus for measuring volume flow KR930004769B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910001984A KR930004769B1 (en) 1991-02-05 1991-02-05 Apparatus for measuring volume flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910001984A KR930004769B1 (en) 1991-02-05 1991-02-05 Apparatus for measuring volume flow

Publications (2)

Publication Number Publication Date
KR920016820A true KR920016820A (en) 1992-09-25
KR930004769B1 KR930004769B1 (en) 1993-06-05

Family

ID=19310792

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910001984A KR930004769B1 (en) 1991-02-05 1991-02-05 Apparatus for measuring volume flow

Country Status (1)

Country Link
KR (1) KR930004769B1 (en)

Also Published As

Publication number Publication date
KR930004769B1 (en) 1993-06-05

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