KR970000176A - Dust sensor abnormality detection device of vacuum cleaner and its method - Google Patents

Dust sensor abnormality detection device of vacuum cleaner and its method Download PDF

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Publication number
KR970000176A
KR970000176A KR1019950018307A KR19950018307A KR970000176A KR 970000176 A KR970000176 A KR 970000176A KR 1019950018307 A KR1019950018307 A KR 1019950018307A KR 19950018307 A KR19950018307 A KR 19950018307A KR 970000176 A KR970000176 A KR 970000176A
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KR
South Korea
Prior art keywords
voltage
dust sensor
output
receiver
dust
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Application number
KR1019950018307A
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Korean (ko)
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KR970005518B1 (en
Inventor
최홍
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구자홍
엘지전자 주식회사
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Priority to KR1019950018307A priority Critical patent/KR970005518B1/en
Publication of KR970000176A publication Critical patent/KR970000176A/en
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Publication of KR970005518B1 publication Critical patent/KR970005518B1/en

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/28Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805Parameters or conditions being sensed
    • A47L9/281Parameters or conditions being sensed the amount or condition of incoming dirt or dust
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/19Means for monitoring filtering operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

본 발명은 먼지센서의 수신부 출력 기준전압을 자동으로 조절하도록 하고 먼지감시센서의 오염시에도 정확한 먼지 측정이 가능토록 하여 최적의 청소가 구현될 수 있도록 한 진공청소기의 먼지센서 이상유무 검출장치 및 그 방법에 관한 것이다.The present invention is to detect the abnormality of the dust sensor of the vacuum cleaner to automatically adjust the output reference voltage of the receiver of the dust sensor and to enable accurate dust measurement even when the dust sensor is contaminated so that the optimum cleaning can be implemented It is about a method.

이러한 본 발명은 먼지센서의 수신부 출력전압에 따라 먼지센서의 수신부 출력전 조절신호를 출력하는 마이콤과, 마이콤에서 출력되는 먼지센서의 수신부 출력전압 조절신호를 아날로그 신호로 변환하는 디지탈/아날로그 변환수단과, 디지탈/아날로그 변환수단에서 얻어지는 아날로그 전압을 조절하는 전압 조절수단과, 전압 조절수단에서 출력되는 전압을 증폭시켜 먼지센서의 발신부 전류를 조절하는 전압 플로워와, 전압 플로워에서 출력되는 전압에 의해 광신호를 발생시키고 그 발생한 광신호를 수신하여 먼지신호 생성수단의 기준전압을 변환시키는 먼지센서와, 먼지센서에서 출력되는 기준전압에 의해 먼지신호를 생성하여 먼지센서의 이상유무 검출이 가능하도록 마이콤에 입력시키는 먼지신호 생성수단으로 이루어진다.The present invention is a microcomputer for outputting the control signal before the output of the receiver of the dust sensor according to the output voltage of the receiver of the dust sensor, digital / analog conversion means for converting the receiver output voltage control signal of the dust sensor output from the microcomputer to an analog signal; Voltage control means for adjusting the analog voltage obtained from the digital / analog conversion means, a voltage follower for amplifying the voltage output from the voltage control means to adjust the current of the dust emitter, and a voltage output from the voltage follower. A dust sensor that generates a signal and receives the generated optical signal to convert the reference voltage of the dust signal generating means, and generates a dust signal by the reference voltage output from the dust sensor to detect the abnormality of the dust sensor. Dust signal generating means for inputting.

Description

진공청소기의 먼지센서 이상유무 검출장치 및 그 방법Dust sensor abnormality detection device of vacuum cleaner and its method

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

제1도는 종래 진공청소기의 먼지센서 이상유무 검출장치 구성도, 제2도는 종래 진공청소기의 먼지센서 이상유무 검출과정 흐름도, 제3도는 본 발명에 의한 진공청소기의 먼지센서 이상유무 검출장치 구성도로서, (가)는 먼지센서 이상유무 검출장치 블럭도이고, (나)는 (가)의 각부 상세회로도이다.1 is a block diagram of a dust sensor abnormality detecting device of a conventional vacuum cleaner, FIG. 2 is a flow chart of a process of detecting a dust sensor abnormality of a conventional vacuum cleaner, and FIG. , (A) is a block diagram of dust sensor abnormality detection device, and (B) is a detailed circuit diagram of each part.

Claims (4)

먼지센서의 수신부 출력전압에 따라 먼지센서의 수신부 출력전압 조절신호를 출력하는 마이콤과, 상기 마이콤에서 출력되는 먼지센서의 수신부 출력전압 조절신호를 아날로그 신호로 변환하는 디지탈/아날로그 변환수단과, 상기 디지탈/아날로그 변환수단에서 얻어지는 아날로그 전압을 조절하는 전압 조절수단과, 상기 전압 조절수단에서 조절되는 전압을 증폭시켜 먼지센서의 발신부 전류를 조절하는 전압 플로워와, 상기 전압 플로워에서 출력되는 전압에 의해 광신호를 발생시키고 그 발생한 광신호를 수신하여 먼지신호 생성수단의 기준전압을 변환시키는 먼지센서와, 상기 먼지센서에서 출력되는 기준전압에 의해 먼지신호를 생성하여 먼지센서의 이상유무 검출이 가능하도록 마이콤에 입력시키는 먼지신호 생성수단으로 구성된 것을 특징으로 하는 진공청소기의 먼지센서 이상유무 검출장치.A microcomputer for outputting an output voltage control signal of the receiver of the dust sensor according to an output voltage of the receiver of the dust sensor, digital / analog conversion means for converting an output voltage control signal of the receiver of the dust sensor output from the microcombe into an analog signal, and the digital Voltage by means of regulating the analog voltage obtained from the analog / analog conversion means, a voltage follower to amplify the voltage controlled by the voltage adjusting means to adjust the current of the dust emitter, and a voltage output from the voltage follower. A dust sensor that generates a signal and receives the generated optical signal to convert the reference voltage of the dust signal generating means, and generates a dust signal by the reference voltage output from the dust sensor to detect the abnormality of the dust sensor. Dust signal generating means to be input to Dust sensor abnormality detection apparatus for a vacuum cleaner. 제1항에 있어서, 상기 전압 조절수단은 마이콤에서 출력되는 제어신호에 의해 디지탈/아날로그 변환수단에서 출력되는 전압의 출력레벨을 미세조정하는 제1 및 제2 스위칭소자(Q2)(Q3)로 구성된 것을 특징으로 하는 진공청소기의 먼지센서 이상유무 검출장치.2. The voltage regulator of claim 1, wherein the voltage adjusting means comprises first and second switching elements Q2 and Q3 for fine-adjusting the output level of the voltage output from the digital / analog converting means by the control signal output from the microcomputer. Dust sensor abnormality detection device of the vacuum cleaner, characterized in that. 초기화 과정후 먼지센서의 수신부 출력전압을 검색하는 제1 과정과, 상기 검색한 수신부 출력전압이 최대 또는 최소치이면 먼지센서의 이상으로 판단을 하고 이를 표시해 주는 제2 과정과, 상기 수신부 출력전압이 최대치와, 최소치의 사이값이면 수신부 출력전압과를 감산하는 제3 과정과, 상기 감산결과에 따라 발신부의 광전류값을 증감시켜 발신부전압을 조정하는 제4 과정으로 이루어짐을 특징으로 하는 진공청소기의 먼지센서 이상유무 검출방법.A first process of retrieving the receiver output voltage of the dust sensor after the initialization process, a second process of determining and displaying an abnormality of the dust sensor if the detected receiver output voltage is the maximum or minimum value, and the maximum output value of the receiver And a third step of subtracting the receiver output voltage and a fourth step of adjusting the transmitter voltage by increasing or decreasing the photocurrent value of the transmitter according to the result of the subtraction if the value is between the minimum values. How to detect sensor abnormality. 제3항에 있어서, 상기 제2 과정은 입력되는 수신부의 출력전압이 최대치(5V)이면 먼지센서 발신부의 단선으로 판단하고 먼지센서의 이상상태를 표시해주는 제1 단계와, 수신부 출력전압이 최소치(OV)이면 먼지센서 수신부의 단락으로 판단하고 먼지센서의 이상상태를 표시해주는 제2 단계로 이루어지고, 상기 제4 과정은 상기 제3 과정에서 감산한 결과값이 양수(+값)이면 먼지센서의 발신부가 양호한 것으로 판단하고 수신부의 출력전압이 기준전압이 되도록 발신부의 광전류값을 감소시키는 제1 단계와, 상기 감산한 결과값이 음수(-값)이면 먼지센서의 발신부가 오염된 것으로 판단하고 수신부의 출력전압이 기준전압이 되도록 발신부의 광전류값을 증가시키는 제2 단계로 이루어짐을 특징을 하는 진공청소기의 먼지 센서 이상유무 검출방법.4. The method of claim 3, wherein the second process comprises determining a disconnection of the dust sensor transmitter and indicating an abnormal state of the dust sensor when the output voltage of the receiver to be input is maximum (5V), and the output voltage of the receiver to the minimum value. OV) is determined as a short circuit of the dust sensor receiver, and a second step of displaying an abnormal state of the dust sensor is performed. The fourth process is a positive value (+ value) subtracted from the third process. A first step of reducing the photocurrent value of the transmitter so that the transmitter determines that the transmitter is good and the output voltage of the receiver becomes the reference voltage; and if the subtracted value is negative (-value), the transmitter of the dust sensor is considered contaminated and the receiver And a second step of increasing the photocurrent value of the transmitter so that the output voltage of the transmitter becomes a reference voltage. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950018307A 1995-06-29 1995-06-29 Method and device for fault detector of duster sensor for a vacuum cleaner KR970005518B1 (en)

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Application Number Priority Date Filing Date Title
KR1019950018307A KR970005518B1 (en) 1995-06-29 1995-06-29 Method and device for fault detector of duster sensor for a vacuum cleaner

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Application Number Priority Date Filing Date Title
KR1019950018307A KR970005518B1 (en) 1995-06-29 1995-06-29 Method and device for fault detector of duster sensor for a vacuum cleaner

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KR970000176A true KR970000176A (en) 1997-01-21
KR970005518B1 KR970005518B1 (en) 1997-04-17

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