KR940015035A

KR940015035A - Washing machine and method of washing machine

Info

Publication number: KR940015035A
Application number: KR1019920025295A
Authority: KR
Inventors: 성영주
Original assignee: 이헌조; 주식회사 금성사
Priority date: 1992-12-23
Filing date: 1992-12-23
Publication date: 1994-07-20
Also published as: KR950007071B1

Abstract

본 발명은 세탁기의 세탁제어 장치 및 방법에 관한 것으로서, 세탁물의 종류에 따라 모터에 입력되는 전압을 가변시켜 적절한 수류로 세탁을 수행하도록 하는 것이다.The present invention relates to a laundry control apparatus and method for a washing machine, and to perform washing with an appropriate water flow by varying a voltage input to a motor according to the type of laundry.

이와같은 본 발명은 코스선택과 수위선택에 따른 메인시스템 제어수단에서 입력된 제어신호에 따라 설정된 기준전압을 가변 출력하는 서브마이콤과, 삼각파발생수단의 삼각파신호와 서브마이콤의 기준전압을 비교하는 비교수단과, 입력전압을 직류변환하는 컨버터수단의 전압을 3상전압으로 변환시키는 인버터수단과, 인버터수단의 3상 교류 전압에 의해 동력을 발생하는 브러시레스모터와, 그 모터의 회전을 검출하는 회전위치감지수단과, 회전위치감지수단의 위치신호에 따라 전압발생수단의 3상전압과 비교수단의 결과전압을 논리곱하는 논리수단과, 상기 논리수단에서 얻어진 결과값에 따라 인버터수단을 통해 브러시레스모터에 입력되는 전압을 변화시켜 회전속도를 변화시키는 바이어스구동수단으로 이루어짐으로써, 달성되는 것이다.As described above, the present invention compares a submicrocom that variably outputs a reference voltage set according to a control signal input from the main system control means according to course selection and water level selection, and compares the triangular wave signal of the triangular wave generating means with the reference voltage of the submicrocom. Means; an inverter means for converting a voltage of a converter means for converting an input voltage into a three-phase voltage; a brushless motor generating power by a three-phase alternating voltage of the inverter means; and a rotation for detecting rotation of the motor. The brushless motor through the position sensing means, the logic means for logically multiplying the resultant voltage of the comparison means with the three-phase voltage of the voltage generating means in accordance with the position signal of the rotation position sensing means, and the brushless motor through the inverter means according to the result value obtained by the logic means. It is achieved by the bias driving means for changing the rotational speed by changing the voltage input to.

Description

Washing machine and method of washing machine

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

제4도는 본 발명 세탁기의 세탁제어 시스템 구성도,4 is a block diagram of a laundry control system of the washing machine of the present invention;

제5도는 제4도의 각부 출력 파형도로서, (가)는 삼각파발생부 및 서브마이콤의 출력 파형도이고, (나)는 (가)를 비교부에서 비교하여 얻어진 파형도이다.FIG. 5 is an output waveform diagram of each part of FIG. 4, (a) is an output waveform diagram of a triangular wave generator and a submicrocom, and (b) is a waveform diagram obtained by comparing (a) with a comparison unit.

제6도는 제4도 세탁물의 포량에 따른 모터와 속도와 토오크와의 관계를 보인 곡선도.6 is a curve diagram showing the relationship between the motor, speed and torque according to the quantity of laundry of FIG.

Claims

A sub-microcom which variably outputs a reference voltage for obtaining a set speed according to a control signal input from a main system control means according to course selection and water level selection, triangular wave generating means for generating a triangular wave signal of a predetermined period, and the triangular wave generation A comparison means for comparing the triangular wave signal of the means and the respective reference voltages obtained from the submicrocom, and outputting the resultant voltage, the converter means for converting the input AC voltage into a DC voltage, and the DC voltage converted from the converter means in three phases. An inverter means for converting into an AC voltage, a brushless motor for generating rotational power by a three-phase AC voltage of the inverter means, a rotation position sensing means for detecting a rotational phase of the brushless motor, and the rotation position sensing means A voltage generating means for generating a three-phase voltage according to the position signal obtained from Logic means for logically multiplying the resultant voltage obtained from the obtained three-phase voltage with the comparison means, and a bias driving means for varying the rotational speed by varying the voltage input to the brushless motor through the inverter means in accordance with the result value obtained by the logic means. Washing control device of the washing machine including.

A first process of transmitting data on course selection and water level selection according to the amount of laundry; and receiving the transmitted data to determine the rotational speed of the motor according to the amount of laundry, and determining a reference voltage according to the rotation. And a third process of detecting and comparing the rotational speed of the motor driven by the second process with the set rotational speed, and setting and maintaining the reference voltage if the rotational speed is the result of the comparison in the third process. The washing control method of the washing machine characterized in that the fourth step of changing the voltage input to the motor by increasing or decreasing the reference voltage if the rotation speed is more or less.

※ Note: The disclosure is based on the initial application.