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KR970028460A - Dust removal device for optical fiber sensor - Google Patents

Dust removal device for optical fiber sensor Download PDF

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Publication number
KR970028460A
KR970028460A KR1019950041341A KR19950041341A KR970028460A KR 970028460 A KR970028460 A KR 970028460A KR 1019950041341 A KR1019950041341 A KR 1019950041341A KR 19950041341 A KR19950041341 A KR 19950041341A KR 970028460 A KR970028460 A KR 970028460A
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KR
South Korea
Prior art keywords
air
dust removal
optical fiber
fiber sensor
receiver
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1019950041341A
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Korean (ko)
Inventor
정옥진
Original Assignee
남일
금호타이어 주식회사
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Publication date
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Priority to KR1019950041341A priority Critical patent/KR970028460A/en
Publication of KR970028460A publication Critical patent/KR970028460A/en
Ceased legal-status Critical Current

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Abstract

투광기와 수광기를 구비하는 광화이버 센서의 상기 투광기와 수광기의 화이버 상의 이물질을 제거하기 위하여 투ㆍ수광기의 화이버에 약 60°의 각도로 공기를 고압으로 분사시킬 수 있는 구조를 가진 공기분사기를 투ㆍ수광기의 각각에 장착시키고 일정시간 혹은 물체의 감지시 등 특정 이벤트 발생시마다 전동밸브 구동회로를 작동시키도록 구성된 노즐 제어기로 공기분사기의 공기노즐의 개폐를 제어함으로써 광감지작업을 방해하지 않으면서 분진을 자동으로 제거할 수 있도록 구성된 광화이버 센서용 분진제거장치.An air injector having a structure capable of injecting air at a high pressure of about 60 ° to the fiber of the transmitter and the receiver in order to remove foreign substances on the fiber of the transmitter and the receiver of the optical fiber sensor including the transmitter and the receiver. Is mounted on each of the transmitter and the receiver, and the nozzle controller is configured to operate the electric valve driving circuit whenever a specific event occurs such as a certain time or an object is detected. Dust removal device for optical fiber sensor configured to remove dust automatically without

Description

광화이버 센서용 분진제거장치Dust removal device for optical fiber sensor

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

제1도는 종래의 광화이버센서의 단면도.1 is a cross-sectional view of a conventional optical fiber sensor.

제2도는 본 발명의 공기분사기의 단면도.2 is a cross-sectional view of the air injector of the present invention.

제3도는 본 발명의 일실시예에 따른 일체형 공기분사기의 단면도.3 is a cross-sectional view of the integrated air injector according to an embodiment of the present invention.

제4도는 본 발명의 광화이버 센서용 분진제거장치의 개략적인 블록도.4 is a schematic block diagram of a dust removal apparatus for an optical fiber sensor of the present invention.

제5도는 제4도에 도시된 노즐제어기 일실시예의 블록도이다.FIG. 5 is a block diagram of one embodiment of the nozzle controller shown in FIG.

Claims (5)

투광기와 수광기를 구비하는 광화이버 센서의 화이버상의 이물질을 제거하기 위하여, 공기공급호스와, 공기흡입구와, 상기 공기공급호스와 상기 공기흡입구 사이에 위치하여 상기 공기공급호스가 단단하게 결합되도록 하는 결합기와, 상기 공기흡입구로 들어온 공기를 높은 압력으로 공기노즐에 전달하기 위한 공기전달관과, 상기 공기전달관으로부터 온 공기를 투광기 및 수광기에 분사시키기 위한 공기노즐을 구비하고 있는 공기분사기와, 특정 이벤트 발생시에 전동밸브 구동회로를 동작시켜 상기 공기분사기의 노즐의 개폐를 제어하도록 구성되어 있는 노즐제어기를 구비하고 있는 광화이버 센서용 분진제거장치.In order to remove the foreign matter on the fiber of the optical fiber sensor having a light emitter and a receiver, it is located between the air supply hose, the air inlet, the air supply hose and the air inlet so that the air supply hose is tightly coupled An air injector having a combiner, an air delivery tube for delivering the air entering the air intake to the air nozzle at high pressure, and an air nozzle for injecting air from the air delivery tube to the transmitter and the receiver; And a nozzle controller configured to control the opening and closing of the nozzle of the air injector by operating the electric valve driving circuit when a specific event occurs. 제1항에 있어서, 높은 압력으로 공기를 분사시키기 위하여 상기 공기흡입구의 구경을 상기 공기전달관의 구경 및 공기노즐의 구경보다 크게 되어 있는 것을 특징으로 하는 광화이버 센서용 분진제거장치.The dust removal apparatus for an optical fiber sensor according to claim 1, wherein the diameter of the air suction port is larger than that of the air transfer pipe and the diameter of the air nozzle to inject air at a high pressure. 제1항에 있어서, 투ㆍ수광상의 광감지에 방해를 주지 않도록 하기 위하여 상기 공기전달관에서 공기노즐로의 분사각도가 50°∼70°인 것을 특징으로 하는 광화이버 센서용 분진제거장치.The dust removal apparatus for an optical fiber sensor according to claim 1, wherein an injection angle from the air transfer pipe to the air nozzle is 50 ° to 70 ° so as not to interfere with the light detection of the transmitted and received images. 제1항에 있어서, 상기 공기분사기가 투광기 혹은 수광기와 일체형으로 구성되어 있는 것을 특징으로 하는 광화이버 센서용 분진제거장치.The dust removal apparatus for optical fiber sensor according to claim 1, wherein the air injector is integrally formed with a light emitter or a light receiver. 제1항에 있어서, 상기 노즐제어기는 상기 공기분사기의 전동밸브를 구동하는 전동밸브 구동회로와, 일정한 시간간격마다 분진제거장치 전동밸브를 작동시키는 펄스를 발생시키는 타이머회로와, 수광기에서 물체가 감지되는 신호에 따라 분진제거장치 전동밸브를 작동시키는 펄스를 발생시키는 물체감지회로와, 상기 타이머 회로와 물체감지회로중 하나를 선택하여 그 출력을 상기 전동밸브 구동회로의 입력측에 연결시키도록 구성되어 있는 선택스위치를 구비하고 있어서 사용자가 분진제거방식을 선택할 수 있도록 구성된 것을 특징으로 하는 광화이버 센서용 분진제거장치.According to claim 1, wherein the nozzle controller is an electric valve driving circuit for driving the electric valve of the air injector, a timer circuit for generating a pulse for operating the dust removal device electric valve at a predetermined time interval, and the object in the receiver An object sensing circuit for generating a pulse for operating the dust removal device electric valve according to the detected signal, and selecting one of the timer circuit and the object sensing circuit and connecting the output to an input side of the electric valve driving circuit. The dust removal device for an optical fiber sensor, comprising: a selector switch configured to allow a user to select a dust removal method. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950041341A 1995-11-14 1995-11-14 Dust removal device for optical fiber sensor Ceased KR970028460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950041341A KR970028460A (en) 1995-11-14 1995-11-14 Dust removal device for optical fiber sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950041341A KR970028460A (en) 1995-11-14 1995-11-14 Dust removal device for optical fiber sensor

Publications (1)

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KR970028460A true KR970028460A (en) 1997-06-24

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KR1019950041341A Ceased KR970028460A (en) 1995-11-14 1995-11-14 Dust removal device for optical fiber sensor

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KR (1) KR970028460A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100981849B1 (en) * 2008-06-30 2010-09-13 한국서부발전 주식회사 Dust eliminator of fire detector
KR100988386B1 (en) * 2008-07-30 2010-10-18 한국서부발전 주식회사 Dust Detector of Smoke Detector
KR101350464B1 (en) * 2012-07-20 2014-01-14 주식회사 포스코 Apparatus for preventing troubles of winch pickup
KR20230063524A (en) * 2021-11-02 2023-05-09 한전케이피에스 주식회사 A measuring probe cleaning device of an incinerator gas detector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100981849B1 (en) * 2008-06-30 2010-09-13 한국서부발전 주식회사 Dust eliminator of fire detector
KR100988386B1 (en) * 2008-07-30 2010-10-18 한국서부발전 주식회사 Dust Detector of Smoke Detector
KR101350464B1 (en) * 2012-07-20 2014-01-14 주식회사 포스코 Apparatus for preventing troubles of winch pickup
KR20230063524A (en) * 2021-11-02 2023-05-09 한전케이피에스 주식회사 A measuring probe cleaning device of an incinerator gas detector

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