KR970021443A - Washing machine with quantity sensing device and quantity sensing method - Google Patents

Washing machine with quantity sensing device and quantity sensing method Download PDF

Info

Publication number
KR970021443A
KR970021443A KR1019950034088A KR19950034088A KR970021443A KR 970021443 A KR970021443 A KR 970021443A KR 1019950034088 A KR1019950034088 A KR 1019950034088A KR 19950034088 A KR19950034088 A KR 19950034088A KR 970021443 A KR970021443 A KR 970021443A
Authority
KR
South Korea
Prior art keywords
pulse
washing machine
power
pulses
estimating
Prior art date
Application number
KR1019950034088A
Other languages
Korean (ko)
Inventor
김지현
Original Assignee
김광호
삼성전자 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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950034088A priority Critical patent/KR970021443A/en
Publication of KR970021443A publication Critical patent/KR970021443A/en

Links

Abstract

본 발명은 포량감지장치를 가진 세탁기 및 포량감지방법에 관한 것으로서, 세탁기 구동모터의 관성에 의한 회전시 발생하는 펄스의 수와 펄스폭의 변화율을 데이타로 채택하여 포량을 추정하는 장치 및 포량추정방법에 관한 것이다.The present invention relates to a washing machine having a quantity detecting device and a quantity detecting method, comprising an apparatus for estimating a quantity of water by adopting the number of pulses and the rate of change of the pulse width generated during rotation by the inertia of the washing machine driving motor and the quantity estimating method. It is about.

상기 포량감지장치 및 포량추정방법은 세탁기내의 동력전달계통상의 편차에 의한 포량 측정의 오차를 최대한 줄인 정확한 포량의 측정이 가능하다는 우수한 효과를 제공한다.The quantity detecting device and the quantity estimating method provide an excellent effect of accurately measuring the amount of the amount of the error of the quantity measurement due to the deviation of the power transmission system in the washing machine.

Description

포량감지장치를 가진 세탁기 및 포량감지방법Washing machine with quantity sensing device and quantity sensing method

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

제1도는 본 발명에 따른 포량감지장치의 회로도,1 is a circuit diagram of a quantity detection device according to the present invention,

제3도는 구동모터의 회전 속도의 변화를 나타낸 그래프.3 is a graph showing a change in the rotational speed of the drive motor.

Claims (7)

포량감지장치를 가진 세탁기에 있어서, 세탁기 구동모터에 전원을 공급하여 소정시간 회전시킨 후 전원을 차단하는 전원제어부와; 상기 전원제어부에 의한 전원 차단 후, 상기 구동모터의 관성회전속도에 의존하는 펄스신호를 발생시키는 펄스발생부와; 상기 펄스발생부로부터의 펄스신호중 임의의 펄스를 기준펄스로 취하며, 상기 기준펄스로부터 상기 기준펄스의 폭의 소정 배수 이상이 되는 펄스 폭을 갖는 펄스가 입력되기까지의 시간과 펄스 수로부터 세탁물의 양을 추정하는 포량추정부로 이루어진 포량감지장치를 포함하는 것을 특징으로 하는 세탁기.A washing machine having a quantity detecting device, comprising: a power control unit which supplies power to a washing machine driving motor and rotates the predetermined time to cut off the power; A pulse generator for generating a pulse signal depending on the inertia rotational speed of the drive motor after the power is shut off by the power controller; From the pulse signal from the pulse generator, any pulse is taken as a reference pulse, and the time from the reference pulse and the number of pulses having a pulse width equal to or more than a predetermined multiple of the width of the reference pulse is inputted from the number of pulses. Washing machine comprising a quantity detection device consisting of a quantity estimation unit for estimating the quantity. 제1항에 있어서, 상기 펄스발생부는, 상기 구동모터의 축상의 일 영역에 방사상으로 고정 부착되어 있고, N극과 S극이 교대로 배열되어 있는 다수의 영구자석과; 상기 영구자석에 인접하여 있고, 상기 구동모터의 회전에 의한 상기 영구자석의 극 변화에 따라 구형파를 발생시키는 홀아이씨(Hall IC)로 구성된 것을 특징으로 하는 세탁기.2. The pulse generator of claim 1, wherein the pulse generator comprises: a plurality of permanent magnets fixed radially to a region on an axis of the drive motor, the N poles and the S poles being alternately arranged; And a Hall IC adjacent to the permanent magnet and configured to generate a square wave according to the pole change of the permanent magnet due to the rotation of the driving motor. 제1항에 있어서, 상기 기준펄스는, 전원차단 후 소정시간이 경과한 후 발생하는 펄스인 것을 특징으로 하는 세탁기.The washing machine according to claim 1, wherein the reference pulse is a pulse generated after a predetermined time has passed after the power is turned off. 제1항 내지 제3항 중 어느 한 항에 있어서; 상기 포량추정부는 상기 기준펄스를 복수개 취하여, 복수개의 기준펄스 각각에 따른 포량 추정치를 평균하여 포량을 추정하도록 구성된 것을 특징으로 하는 세탁기.The method according to any one of claims 1 to 3; The quantity estimating unit is configured to take a plurality of the reference pulses, and to estimate the quantity by averaging the quantity estimates according to each of the plurality of reference pulses. 세탁기에 포량감지방법에 있어서, 세탁기의 구동모터를 회전시키는 단계와; 일정 시간 경과 후 상기 구동모터의 전원을 차단하는 단계와; 전원 차단 후 상기 구동모터의 관성 회전속도에 의존하는 펄스신호를 발생시키는 단계와; 상기 펄스신호 중 임의의 펄스를 기준펄스로 취하며, 상기 기준펄스로부터 상기 기준펄스의 폭의 소정 배수 이상이 되는 펄스 폭을 갖는 펄스가 입력되기까지의 시간과 펄스 수로부터 포량을 추정하는 단계를 포함하는 것을 특징으로 하는 세탁기의 포량감지방법.A washing amount detection method for a washing machine, the method comprising: rotating a driving motor of a washing machine; Shutting off the driving motor after a predetermined time elapses; Generating a pulse signal depending on the inertia rotational speed of the drive motor after the power is cut off; Taking an arbitrary pulse among the pulse signals as a reference pulse, and estimating a quantity from the time and the number of pulses from the reference pulse until a pulse having a pulse width equal to or more than a predetermined multiple of the width of the reference pulse is input; A quantity detection method of a washing machine comprising a. 제5항에 있어서, 상기 기준펄스는, 전원 차단 후 소정 시간이 경과 후 발생하는 펄스인 것을 특징으로 하는 세탁기의 포량감지방법.The method of claim 5, wherein the reference pulse is a pulse generated after a predetermined time elapses after the power is turned off. 제5항 내지 제6항 중 어느 한 항에 있어서, 상기 포량 추정 단계는 상기 기준펄스를 복수개 취하여, 복수개의 기준펄스 각각에 따른 포량 추정치를 평균하여 포량을 추정하는 것을 특징으로 하는 세탁기의 포량감지방법.The quantity detection of the washing machine according to any one of claims 5 to 6, wherein the quantity estimating step takes the plurality of reference pulses and estimates the quantity by averaging the quantity estimates for each of the plurality of reference pulses. Way. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950034088A 1995-10-05 1995-10-05 Washing machine with quantity sensing device and quantity sensing method KR970021443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950034088A KR970021443A (en) 1995-10-05 1995-10-05 Washing machine with quantity sensing device and quantity sensing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950034088A KR970021443A (en) 1995-10-05 1995-10-05 Washing machine with quantity sensing device and quantity sensing method

Publications (1)

Publication Number Publication Date
KR970021443A true KR970021443A (en) 1997-05-28

Family

ID=66582431

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950034088A KR970021443A (en) 1995-10-05 1995-10-05 Washing machine with quantity sensing device and quantity sensing method

Country Status (1)

Country Link
KR (1) KR970021443A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000043400A (en) * 1998-12-29 2000-07-15 전주범 Sensing method of distribution quantity using drying mobile mode
KR100279598B1 (en) * 1997-12-24 2001-02-01 구자홍 How to detect the amount of washing machine
KR20040046231A (en) * 2002-11-26 2004-06-05 엘지전자 주식회사 method for sensing laundry weight of washing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100279598B1 (en) * 1997-12-24 2001-02-01 구자홍 How to detect the amount of washing machine
KR20000043400A (en) * 1998-12-29 2000-07-15 전주범 Sensing method of distribution quantity using drying mobile mode
KR20040046231A (en) * 2002-11-26 2004-06-05 엘지전자 주식회사 method for sensing laundry weight of washing machine

Similar Documents

Publication Publication Date Title
US5569990A (en) Detection of starting motor position in a brushless DC motor
US5841252A (en) Detection of starting motor position in a brushless DC motor
EP0462729B1 (en) Method and apparatus for detecting the rotor position of a brushless DC motor
KR970003207B1 (en) Sensorless brushless motor
CN101064493B (en) System and method for transient-based motor speed estimation with transient excitation
CN101854144B (en) For detection of the method for step loss condition
KR100949447B1 (en) Method and apparatus for detecting a stopped condition in a stepping motor
KR920005451A (en) Sensorless Spindle Motor Control
JP2006064437A (en) Indicating instrument and initialization drive unit
JPH01265164A (en) Method and device for measuring rotating speed
KR970021443A (en) Washing machine with quantity sensing device and quantity sensing method
KR960014890A (en) Method and apparatus for detecting the weight of agitation fluid
US7058537B2 (en) Method and device for detecting a rotational speed comprising an estimation of a measured value at low rotational speeds
KR20010030759A (en) Device for the detection of an angle of rotation of a brushless multi-phase d.c. motor
JP3541861B2 (en) DC brushless motor
JP2020005482A5 (en)
JP5378785B2 (en) Start-up driving method of brushless DC motor without position detector and electric bicycle using the same
KR101041101B1 (en) method for correcting position of hole sensors of washing machine
KR19990005790A (en) Speed control of motor
KR970018971A (en) SPEED CONTROL APPARATUS OF MOTOR AND METHOD THEREOF
KR940012792A (en) Quantity detection method and apparatus for brushless direct current (BLDC) motor
KR100315821B1 (en) cloth amount detection method for washing machine
JP5353579B2 (en) Motor rotation speed detection device
JP2000166283A (en) Rotor position-detecting device
KR960014488A (en) Pulsator inversion control method of washing machine and its device

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E601 Decision to refuse application