KR910018777A - Optical application measuring device - Google Patents

Optical application measuring device Download PDF

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Publication number
KR910018777A
KR910018777A KR1019900013958A KR900013958A KR910018777A KR 910018777 A KR910018777 A KR 910018777A KR 1019900013958 A KR1019900013958 A KR 1019900013958A KR 900013958 A KR900013958 A KR 900013958A KR 910018777 A KR910018777 A KR 910018777A
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KR
South Korea
Prior art keywords
optical
component
optical sensor
optical receiver
output
Prior art date
Application number
KR1019900013958A
Other languages
Korean (ko)
Other versions
KR940004872B1 (en
Inventor
마사미 와따나베
Original Assignee
시끼 모리야
미쯔비시 덴끼 가부시끼가이샤
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.)
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Publication date
Application filed by 시끼 모리야, 미쯔비시 덴끼 가부시끼가이샤 filed Critical 시끼 모리야
Publication of KR910018777A publication Critical patent/KR910018777A/en
Application granted granted Critical
Publication of KR940004872B1 publication Critical patent/KR940004872B1/en

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Classifications

    • 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
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Safety Devices In Control Systems (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

내용 없음No content

Description

광 응용 측정 장치Optical application measuring device

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

제 1도는 본 발명의 한 실시예를 도시한 블록도, 제 2도는 종래의 광 응용 측정 장치를 도시한 블록도.1 is a block diagram showing an embodiment of the present invention, Figure 2 is a block diagram showing a conventional optical application measuring device.

Claims (1)

피측정 물리량에 따라서 광을 강도변조하는 광 감지기와, 이 광 감지기에 접속되며 상기 광 감지기에 광을 공급하는 광 송신기와, 상기 광 감지기에 접속되며 상기 광 감지기에서 강도 변조된 광을 받아들여서 전기 량으로 변환하는 광 수긴기와, 이 광 수신기에 접속되며, 그 출력의 DC 성분과, 변조 성분의 비를 연산하는 연산 수단과, 이 연산 수단에 접속되며 상기 광 수신기의 출력의 DC 성분을 모니터하고 이 DC성분이 규정 값 이외로 되었을때 경보를 내는 제 1 모니터 수단과, 상기 광 송신기를 구동하는 전류를 상기 피측정 물리량의 주파수보다 고차인 주파수의 AC 전류의 중첩한 DC 전류로 하고, 상기 연산 수단에서 출력되는 상기 AC 전류와 동일한 주파수의 신호 성분을 모니터하는 제 2 모니터 수단을 구비한 것을 특징으로 하는 광 응용 측정 장치.An optical sensor for intensity modulating light according to the physical quantity to be measured, an optical transmitter connected to the optical sensor and supplying light to the optical sensor, and receiving the intensity modulated light from the optical sensor and An optical receiver which is converted into a quantity, an optical receiver connected to the optical receiver, and calculating means for calculating the ratio of the DC component of the output and the modulation component, and connected to the calculating means to monitor the DC component of the output of the optical receiver; The first monitor means for alerting when this DC component is outside the specified value and the current driving the optical transmitter are superimposed DC currents of AC currents of frequency higher than the frequency of the physical quantity to be measured, and the calculation And second monitor means for monitoring signal components of the same frequency as the AC current output from the means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900013958A 1990-04-25 1990-09-05 Optical mesurement device KR940004872B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP107477 1990-04-25
JP2107447A JPH07110288B2 (en) 1990-04-25 1990-04-25 Disaster prevention control device

Publications (2)

Publication Number Publication Date
KR910018777A true KR910018777A (en) 1991-11-30
KR940004872B1 KR940004872B1 (en) 1994-06-02

Family

ID=14459385

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900013958A KR940004872B1 (en) 1990-04-25 1990-09-05 Optical mesurement device

Country Status (2)

Country Link
JP (1) JPH07110288B2 (en)
KR (1) KR940004872B1 (en)

Also Published As

Publication number Publication date
KR940004872B1 (en) 1994-06-02
JPH047601A (en) 1992-01-13
JPH07110288B2 (en) 1995-11-29

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