KR970064541A - Automatic adjustment of dust sensor sensitivity of vacuum cleaner - Google Patents

Automatic adjustment of dust sensor sensitivity of vacuum cleaner Download PDF

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Publication number
KR970064541A
KR970064541A KR1019960007332A KR19960007332A KR970064541A KR 970064541 A KR970064541 A KR 970064541A KR 1019960007332 A KR1019960007332 A KR 1019960007332A KR 19960007332 A KR19960007332 A KR 19960007332A KR 970064541 A KR970064541 A KR 970064541A
Authority
KR
South Korea
Prior art keywords
dust sensor
sensitivity
pulse
output
dust
Prior art date
Application number
KR1019960007332A
Other languages
Korean (ko)
Other versions
KR0150772B1 (en
Inventor
최흥
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 KR1019960007332A priority Critical patent/KR0150772B1/en
Publication of KR970064541A publication Critical patent/KR970064541A/en
Application granted granted Critical
Publication of KR0150772B1 publication Critical patent/KR0150772B1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2805—Parameters or conditions being sensed
    • A47L9/281—Parameters or conditions being sensed the amount or condition of incoming dirt or dust
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Electric Vacuum Cleaner (AREA)

Abstract

본 발명은 전원 인가와 동시에 먼지센서 수신부측의 전압을 최적의 센싱 동작점 전압값이 되도록 펄스 듀티 사이클을 제어하고 LC필터출력단에 연결된 먼지센서 발광부전류를 조정하여 먼지 센서의 감도가 최적이 되도록 한 진공청소기의 먼지센서 감도 자동조정장치에 관한 것이다.The present invention controls the pulse duty cycle so that the voltage at the dust sensor receiving unit side becomes the optimum sensing operating point voltage value and adjusts the current of the dust sensor light emitting unit connected to the output terminal of the LC filter so that the sensitivity of the dust sensor becomes optimal And more particularly to a dust sensor sensitivity automatic adjustment device for a vacuum cleaner.

이러한 본 발명은 마이콤에서 출력된 먼지센서의 감도 조정신호에 따른 펄스를 발생하는 펄스발생부와, 펄스발생부에서 출력된 펄스를 저역 필터링하는 저역 필터와, 저역 필터에서 출력되는 신호에 따라 감도를 조정하고 먼지를 감지하여 그 감지값을 출력하는 먼지센서와, 먼지센서의 출력값에 따라 먼지 센서의 감도를 조정하기 위한 조정신호의 듀티비를 변화시켜 펄스발생부에 인가하고 감지된 먼지량에 따라 흡입력 제어신호를 발생하는 마이콤을 구비한다.According to the present invention, there is provided a microwave oven comprising a pulse generator for generating a pulse according to a sensitivity adjustment signal of a dust sensor output from a microcomputer, a low-pass filter for low-pass filtering the pulse output from the pulse generator, A dust sensor for adjusting the sensitivity of the dust sensor and outputting the sensed value of the dust sensor, and a duty ratio of the adjustment signal for adjusting the sensitivity of the dust sensor according to the output value of the dust sensor, And a microcomputer for generating a control signal.

Description

진공청소기의 먼지센서 감도 자동조정장치Automatic adjustment of dust sensor sensitivity of vacuum cleaner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 종래 진공청소기의 먼지감지장치 구성도, 제2도는 본 발명에 의한 진공청기의 먼지센서 감도 자동조정장치의 구성도, 제3도는 제2도의 저역필터 출력전압 파형도, 제4도는 제2도의 저역필터 입력전압과 듀티사이클과의 관계도, 제5도는 제2도의 동작을 설명하기 위한 동작 흐름도.FIG. 2 is a schematic diagram of a dust sensor sensitivity automatic adjusting apparatus for a vacuum cleaner according to the present invention, FIG. 3 is a waveform diagram of a low-pass filter output voltage of FIG. 2 is a diagram showing a relationship between a low-pass filter input voltage and a duty cycle, and FIG. 5 and FIG.

Claims (1)

마이콤에서 출력된 먼지센서의 감도 조정신호에 따라 펄스를 발생하는 펄스발생수단과; 상기 펄스발생수단에서 출력된 펄스를 저역 필터링하는 저역 필터와; 상기 저역 필터에서 출력되는 신호에 따라 감도를 조정하고 먼지를 감지하여 그 감지값을 출력하는 먼지센서와; 상기 먼지센서의 출력값에 따라 먼지 센서의 감도를 조정하기 위한 조정신호의 듀티비를 변화시켜 상기 펄스발생수단에 인가하고 감지된 먼지량에 따라 흡입력 제어신호를 발생하는 마이콤을 포함하여 구성된 것을 특징으로 하는 진공청소기의 먼지센서 감도 자동조정장치.Pulse generation means for generating a pulse in accordance with a sensitivity adjustment signal of a dust sensor output from a microcomputer; A low-pass filter for low-pass filtering the pulse output from the pulse generating means; A dust sensor for adjusting sensitivity according to a signal output from the low pass filter, detecting dust and outputting the sensed value; And a microcomputer for varying the duty ratio of the adjustment signal for adjusting the sensitivity of the dust sensor according to the output value of the dust sensor and applying the duty ratio to the pulse generating means and generating a suction force control signal according to the sensed dust amount. Automatic adjustment of dust sensor sensitivity of vacuum cleaner. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960007332A 1996-03-19 1996-03-19 Dust sensor for vacuum cleaner KR0150772B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019960007332A KR0150772B1 (en) 1996-03-19 1996-03-19 Dust sensor for vacuum cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960007332A KR0150772B1 (en) 1996-03-19 1996-03-19 Dust sensor for vacuum cleaner

Publications (2)

Publication Number Publication Date
KR970064541A true KR970064541A (en) 1997-10-13
KR0150772B1 KR0150772B1 (en) 1998-10-15

Family

ID=19453388

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960007332A KR0150772B1 (en) 1996-03-19 1996-03-19 Dust sensor for vacuum cleaner

Country Status (1)

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KR (1) KR0150772B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101535557B1 (en) * 2008-04-28 2015-07-09 코웨이 주식회사 Air cleaner having sensitivity adjustment function and control method thereof
KR101971732B1 (en) * 2017-04-24 2019-04-25 주식회사 아이티엠반도체 Optical dust sensor
KR102377235B1 (en) * 2021-08-31 2022-03-22 오성컨버전스 주식회사 Recyclable eco-friendly box

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Publication number Publication date
KR0150772B1 (en) 1998-10-15

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