KR970057646A - Fan filter abnormality detection device of the projector - Google Patents

Fan filter abnormality detection device of the projector Download PDF

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Publication number
KR970057646A
KR970057646A KR1019950050647A KR19950050647A KR970057646A KR 970057646 A KR970057646 A KR 970057646A KR 1019950050647 A KR1019950050647 A KR 1019950050647A KR 19950050647 A KR19950050647 A KR 19950050647A KR 970057646 A KR970057646 A KR 970057646A
Authority
KR
South Korea
Prior art keywords
projector
fan filter
fan
warning device
pressure
Prior art date
Application number
KR1019950050647A
Other languages
Korean (ko)
Inventor
정의선
Original Assignee
구자홍
Lg 전자 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 구자홍, Lg 전자 주식회사 filed Critical 구자홍
Priority to KR1019950050647A priority Critical patent/KR970057646A/en
Publication of KR970057646A publication Critical patent/KR970057646A/en

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Abstract

본 발명은 외부로부터 영상신호를 공급받아 이를 확대처리하여 대형화면에 디스플레이하는 프로젝터(Projector)에 사용되는 팬필터(Fan- filter)의 이상유무를 검출하여 이를 알려주는 기술에 관한 것으로, 종래의 프로젝터에 있어서는 팬필터의 교체시기를 정확하게 판단하는데 어려움이 있을 뿐만 아니라 번거로움이 수반되고, 이에 의해 정확한 교체시기를 경과하는 경우 프로젝터 내부가 과열되어 기기의 수명이 단축되고, 성능이 저하되는 등의 문제점이 있었는 바, 본 발명은 이를 해결하기 위하여, 프로젝터의 송풍용 팬(2)의 소정 부위에 장착되어 그 팬(2)측으로 유입되는 공기압을 검출하고, 그 검출결과에 따른 전기적신호를 출력하는 압력센서(3)에, 상기 압력센서(3)측에서 출력되는 압력검출신호를 기 설정된 기준신호와 비교하여 팬필터(1)의 교환시기를 결정하고 그 비교결과에 따른 제어신호를 경고장치에 전달하는 마이크로컴퓨터(5)를 포함하여 프로젝터를 구성하였다.The present invention relates to a technology for detecting an abnormality of a fan filter used in a projector that receives an image signal from an external source and magnifies it and displays it on a large screen. In this case, it is not only difficult to accurately determine the replacement time of the fan filter, but also it is cumbersome, and when the correct replacement time is passed, the inside of the projector is overheated, the life of the device is shortened, and the performance is degraded. In order to solve this problem, the present invention is provided with a pressure mounted on a predetermined portion of the blower fan 2 of the projector to detect air pressure flowing into the fan 2, and output an electric signal according to the detection result. The sensor 3 replaces the fan filter 1 by comparing the pressure detection signal output from the pressure sensor 3 with a preset reference signal. The projector was configured to include a microcomputer (5) which determines the timing and transmits a control signal according to the comparison result to the warning device.

Description

프로젝터의 팬필터 이상유무 검출장치Fan filter abnormality detection device of the projector

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

첨부한 도면은 본 발명 프로젝터의 팬필터 이상유무 검출장치에 대한 일시시예시 블록도In the accompanying drawings, a temporary block diagram showing an apparatus for detecting a fan filter abnormality of the present invention

Claims (4)

프로젝터의 송풍용 팬(2)의 소정 부위에 장착되어 그 팬(2)측으로 유입되는 공기압을 검출하고, 그 검출결과에 따른 전기적신호를 출력하는 압력센서(2)와, 상기 압력센서(3)측에서 출력되는 압력검출신호를 기 설정된 기준신호와 비교하여 팬필터(1)의 교환시기를 결정하고 그 비교결과에 따른 제어신호를 경고장치에 전달하는 마이크로컴퓨터(5)를 포함하여 구성한 것을 특징으로 하는 프로젝터의 팬필터 이상유무 검출장치A pressure sensor (2) mounted at a predetermined portion of the blower fan (2) of the projector and detecting the air pressure flowing into the fan (2) side, and outputting an electrical signal according to the detection result; and the pressure sensor (3). And a microcomputer (5) for comparing the pressure detection signal output from the side with a preset reference signal to determine the replacement time of the fan filter (1) and for transmitting a control signal according to the comparison result to the warning device. Fan filter abnormality detection device of the projector 제1항에 있어서, 경고장치는 엘씨디로 구성한 것을 특징으로 하는 프로젝터의 팬필터 이상유무 검출장치The apparatus of claim 1, wherein the warning device comprises an LCD. 제1항에 있어서, 경고장치는 발광다이오드로 구성한 것을 특징으로 하는 프로젝터의 팬필터 이상유무 검출장치The apparatus of claim 1, wherein the warning device comprises a light emitting diode. 제1항에 있어서, 경고장치는 부저로 구성한 것을 특징으로 하는 프로젝터의 팬필터 이상유무 검출장치.The apparatus of claim 1, wherein the warning device comprises a buzzer. ※참고사항 : 최초출원 내용에 의하여 공개하는 것임※ Note: It is to be disclosed based on the initial application.
KR1019950050647A 1995-12-15 1995-12-15 Fan filter abnormality detection device of the projector KR970057646A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950050647A KR970057646A (en) 1995-12-15 1995-12-15 Fan filter abnormality detection device of the projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950050647A KR970057646A (en) 1995-12-15 1995-12-15 Fan filter abnormality detection device of the projector

Publications (1)

Publication Number Publication Date
KR970057646A true KR970057646A (en) 1997-07-31

Family

ID=66595016

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950050647A KR970057646A (en) 1995-12-15 1995-12-15 Fan filter abnormality detection device of the projector

Country Status (1)

Country Link
KR (1) KR970057646A (en)

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