KR960014252B1 - Dehydration tub breaking method - Google Patents
Dehydration tub breaking method Download PDFInfo
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- KR960014252B1 KR960014252B1 KR1019930022884A KR930022884A KR960014252B1 KR 960014252 B1 KR960014252 B1 KR 960014252B1 KR 1019930022884 A KR1019930022884 A KR 1019930022884A KR 930022884 A KR930022884 A KR 930022884A KR 960014252 B1 KR960014252 B1 KR 960014252B1
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- dehydration
- hall sensor
- motor
- driving
- tank
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
Description
제1도는 본 발명에 적용되는 제어블럭도.1 is a control block diagram applied to the present invention.
제2도는 본 발명의 일실시예에 따른 배치도.2 is a layout view according to an embodiment of the present invention.
제3도는 본 발명에 적용되는 플로우챠트.3 is a flowchart applied to the present invention.
본 발명은 세탁기 탈수조의 정지방법에 관한 것으로서, 특히 탈수가 완료된 후 탈수조를 정지시키는 시점을 제어하는 세탁기 탈수조의 정지방법에 관한 것이다.The present invention relates to a method for stopping a washing machine dehydration tank, and more particularly, to a method for stopping a washing machine dehydration tank for controlling a time point at which a dehydration tank is stopped after dehydration is completed.
일반적인 세탁기의 경우 세탁, 헹굼, 탈수행정등 일련의 행정은 마이콤에 기입력되어 있는 소정의 프로그램에 의해 각 행정의 수행 시간을 제어하여 각 행정을 수행하였다.In the case of a general washing machine, a series of strokes such as washing, rinsing, and dehydrating strokes were performed by controlling the execution time of each stroke by a predetermined program pre-inputted in the microcomputer.
특히 탈수행정의 경우 기 설정되어 있는 소정의 시간동안 탈수를 행한 후 탈수조를 구동시키는 모터의 통전을 차단하게 되면 탈수조는 회전하던 원심력에 의해 자전을 행하며 이러한 회전속도는 시간이 경과함에 따라 점차 감소하여 소정시간이 경과한 후 세탁기 클러치부에 있는 브레이크의 작동에 의해 탈수조의 회전 속도와 무관하게 강제적으로 탈수조의 회전을 정지시키게 된다.In particular, in the case of dehydration stroke, if dehydration is performed for a predetermined time and then the power supply of the motor driving the dehydration tank is cut off, the dehydration tank is rotated by the centrifugal force that rotates, and the rotation speed gradually decreases with time. After the predetermined time has elapsed, the brake of the washing machine clutch unit is forced to stop the rotation of the dehydration tank irrespective of the rotational speed of the dehydration tank.
그러나 상기와 같이 소정의 시간 후 강제거으로 탈수조를 정지시킬 경우 탈수조 내부에 포량이 많으면 탈수조의 자전속도가 빠르기 때문에 소정의 시간동안 일정 이하의 속도로 떨어지지 않은 상태에서 강제적으로 정지되어짐으로 인해 소음은 물론 클러치기어에 손상이 가는 문제점이 있었다.However, if the dehydration tank is stopped after a predetermined time as described above, if the amount of water in the dehydration tank is large, since the rotation speed of the dehydration tank is high, it is forcibly stopped in a state where the dehydration tank does not fall below a certain speed for a predetermined time. Noise as well as damage to the clutch gear was a problem.
본 발명의 목적은 탈수가 완료된 후 자전하는 탈수조의 회전 속도를 홀센서를 통해 감지하여 탈수조를 정지시키는 시점을 제어함으로서 세탁조의 강제정지시 발생되는 소음을 줄이고, 클러치 기어의 손상을 줄이는 효과를 제공함에 있다.An object of the present invention is to reduce the noise generated during forced stop of the washing tank by controlling the timing of stopping the dehydration tank by detecting the rotation speed of the dehydration tank rotating through the Hall sensor after the dehydration is completed, the effect of reducing the damage to the clutch gear In providing.
상기 목적을 실현하기 위하여 본 발명은 홀센서부의 홀센서를 구동하는 홀센서구동단계와, 상기 홀센서구동단계에서 홀센서의해 발생되는 펄스수와 기준펄스수를 비교하는 펄스수비교판단단계로 구성되어짐을 특징으로 한다.In order to realize the above object, the present invention comprises a Hall sensor driving step of driving the Hall sensor of the Hall sensor unit, and a pulse number comparison step of comparing the number of pulses generated by the Hall sensor and the reference pulse number in the Hall sensor driving step. It is characterized by.
이하 첨부된 도면에 의거 본 발명을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
제1도는 본 발명에 적용되는 제어블럭도로서 세탁기의 모든 구성 요소를 통괄 제어하는 마이콤(11)과, 세탁기의 모든 구성 요소를 통괄 제어하는 마이콤(11)과, 세탁기에 전원을 인가하는 전원부(12)와, 탈수조의 자전에 따라 자장의 변화를 감지하여 펄스를 발생시키는 홀센서부(13)와, 탈수조내의 수위를 감지하는 수위감지부(14)와, 세탁기의 모터를 구동시키는 모터구동부(15)와, 탈수조로 급수하는 급수변과 배수를 하는 배수변을 구동시키는 급배수구동부(16)로 구성되어진다.1 is a control block diagram to be applied to the present invention, a microcomputer 11 for collectively controlling all the components of the washing machine, a microcomputer 11 for collectively controlling all the components of the washing machine, and a power supply unit for applying power to the washing machine ( 12), the Hall sensor unit 13 for detecting a change in the magnetic field according to the rotation of the dehydration tank to generate a pulse, the water level detection unit 14 for detecting the water level in the dehydration tank, and the motor driving unit for driving the motor of the washing machine And a water supply and drainage drive unit 16 for driving the water supply side to supply the water to the dewatering tank and the water supply side to the drainage.
제2도는 본 발명의 일실시예에 따른 배치도로서 풀리(23)와 연동되도록 풀리(23)의 하부 소정위치에 설치되고 자장을 발생하는 자석(21)과, 상기 자석(21)에서 발생되는 자장의 변화를 감지하는 홀센서(22)로 이루어진 홀센서부(13)로 구성되어진다.2 is a layout diagram according to an embodiment of the present invention, a magnet 21 installed at a lower predetermined position of the pulley 23 to interlock with the pulley 23 and generating a magnetic field, and a magnetic field generated from the magnet 21. It consists of a Hall sensor unit 13 consisting of a Hall sensor 22 for detecting a change of.
미설명부호(23)은 풀리(24)는 클러치(25)는 펄세이터(26)은 탈수조이고, (M)은 모터이다.Reference numeral 23 is a pulley 24, the clutch 25, the pulsator 26 is a dehydration tank, (M) is a motor.
제3도는 본 발명에 적용되는 플로우챠트로서 일련의 탈수행정을 시작하는 탈수시작단계(31)와, 상기 탈수시작단계(31) 후 소정의 프로그램에 의해 탈수를 행하는 탈수단계(32)와, 상기 탈수단계(32)의 수행에 의해 탈수가 완료되었는가를 판단하는 탈수완료판단단계(32)와, 상기 탈수완료판단단계(33)에서 탈수가 완료되었을 경우 상기 모터(M)을 정지시키는 모터정지단계(34)와, 상기 모터정지단계(34) 후 상기 자석(21)으로부터 발생되어지는 자장을 감지하는 홀센서(22)를 구동하는 홀센서구동단계(35)와, 상기 홀센서구동단계(35) 후 상기 홀센서(22)에서 발생되는 펄스의 수를 소정의 기준 펄스수와 비교판단하는 펄스수비교판단단계(36)와, 상기 펄스수비교판단단계(36)에서 홀센서(22)에서 발생되는 펄스의 수가 기준 펄스수보다 작을 경우 상기 클러치(24)에 장착되어 있는 브레이크를 구동시켜 탈수조(26)의 회전을 완전히 정지시키는 브레이크구동단계(37)로 구성되어진다.3 is a flowchart applied to the present invention, a dehydration start step 31 of starting a series of dehydration strokes, a dehydration step 32 of dehydration by a predetermined program after the dehydration start step 31, and Dehydration completion determination step 32 to determine whether the dehydration is completed by performing the dehydration step 32, and the motor stop step of stopping the motor (M) when the dehydration is completed in the dehydration completion determination step 33 (34), the Hall sensor driving step 35 for driving the Hall sensor 22 for sensing the magnetic field generated from the magnet 21 after the motor stop step 34, and the Hall sensor driving step 35 The pulse number comparison determination step 36 of comparing the number of pulses generated by the hall sensor 22 with a predetermined reference pulse number, and the hall sensor 22 in the pulse number comparison determination step 36 When the number of generated pulses is smaller than the reference pulse number, the clutch 24 It drives the brake is that the brake is composed of the driving stage 37 to completely stop the rotation of the dewatering tank 26.
상기와 같이 이루어지는 본 발명의 작용효과를 설명하면 다음과 같다.Referring to the effects of the present invention made as described above are as follows.
세탁기에 전원부(12)를 통하여 전원을 인가하게 되면 마이콤(11)은 초기화 되어 기 입력되어 있는 소정의 프로그램에 의해 수위감지부(14), 모터구동부(15), 급배수구동부(16)등의 각 구동부를 제어하고 구동하여 일련의 세탁행정, 헹굼행정을 완료한 후 제3도에 도시된 탈수시작단계(31)로 진행하게 된다.When the power is applied to the washing machine through the power supply unit 12, the microcomputer 11 is initialized and pre-set by a predetermined program such as the water level detection unit 14, the motor driving unit 15, and the water supply and drainage driving unit 16. After controlling and driving each driving unit, a series of washing and rinsing strokes are completed, and then the process proceeds to the dehydration start step 31 shown in FIG.
상기 탈수시작단계(31)에서 마이콤(11)는 기입력되어 있는 소정의 프로그램에 의해 일련의 탈수행정을 수행할 준비를 한후 탈수단계(32)로 진행하게 된다.In the dehydration start step 31, the microcomputer 11 prepares to perform a series of dehydration strokes by a predetermined program, and then proceeds to the dehydration step 32.
상기 탈수단계(32)에서 마이콤(11)은 급배수구동부(16)의 배수변을 구동하여 배수할 준비를 하고, 모터구동부(15)의 모터(M)를 구동하게 되면 상기 모터(M)와 연동되는 풀리(23)가 회전을 하게되고 이와 동시에 클러치(24)가 작동되어 탈수조를 회전시켜 세탁물로부터 물을 제거하는 탈수를 수행하며 탈수완료판단단계(33)를 수행하게 된다.In the dehydration step 32, the microcomputer 11 prepares to drain by driving the drainage side of the water supply and drainage driver 16, and when the motor M of the motor driver 15 is driven, The interlocking pulley 23 is rotated and at the same time, the clutch 24 is operated to rotate the dehydration tank to perform dehydration to remove water from the laundry and perform the dehydration completion determination step 33.
상기 탈수완료판단단계(33)에서 마이콤(11)은 배수변에 설치된 광센서와 같은 소정의 감지장치를 이용하여 탈수가 완료됨을 감지하는데 이때 탈수가 완료되었음이 감지되면 모터정지단계(34)로 진행하게 된다.In the dehydration completion determination step 33, the microcomputer 11 detects that the dehydration is completed using a predetermined sensing device such as an optical sensor installed in the drainage side, and when it is detected that the dehydration is completed, the motor stop step 34 Will proceed.
상기 모터정지단계(34)에서 마이콤(11)은 모터구동부(15)로 공급되는 전원을 차단하여 모터의 구동을 정지시킨 후 홀센서구동단계(35)로 진행하게 된다.In the motor stop step 34, the microcomputer 11 stops the driving of the motor by cutting off the power supplied to the motor driving part 15, and then proceeds to the hall sensor driving step 35.
상기 홀센서구동단계(35)에서 마이콤(11)은 상기 탈수조(26) 및 폴리(23)와 연동되도록 장착된 자석(21)에서 발생되는 자장의 변화를 감지하는 홀센서부(13)의 홀센서(22)를 구동한 후 펄스수비교판단단계(36)로 진행하게 된다.In the hall sensor driving step 35, the microcomputer 11 of the hall sensor unit 13 detects a change in the magnetic field generated by the magnet 21 mounted to interlock with the dehydration tank 26 and the poly 23. After driving the hall sensor 22, the process proceeds to the pulse number comparison determination step 36.
상기 펄스수비교판단단계(36)에서 마이콤(11)은 기설정되어 있는 탈수조의 일정 저속회전속도에 대한 소정의 기준펄스수와 상기 홀센서(22)에서 발생되는 펄스수와를 비교판단하여 기준펄스수 이하일 경우 즉, 탈수조가 일정 저속회전속도 이하로 속도가 떨어졌을 경우 브레이크구동단계(37)로 진행하게 된다.In the pulse number comparison judging step 36, the microcomputer 11 compares a predetermined reference pulse number with respect to a predetermined low speed rotation speed of the dehydration tank with a pulse number generated by the hall sensor 22. When the number of pulses is less than that, that is, when the dehydration tank drops below a predetermined low speed, the process proceeds to the brake driving step 37.
상기 브레이크구동단계(37)에서 마이콤(11)은 클러치(24)에 장착되어 있는 브레이크를 구동하여 저속으로 회전하고 있는 탈수조를 정지시켜 일련의 탈수행정을 마치게 된다.In the brake driving step 37, the microcomputer 11 drives the brake mounted on the clutch 24 to stop the dewatering tank rotating at low speed, thereby completing a series of dewatering strokes.
이상에서 설명한 바와 같이 본 발명은 탈수가 완료된 후 자전하는 탈수조의 회전속도를 홀센서를 이용하여 감지하여 소정의 속도 이하로 회전하게 되면 브레이크를 구동하여 탈수조를 정지시켜 소정속도 이상으로 자전하는 탈수조의 강제정지시 발생되는 소음을 줄이고, 클러치기어의 손상을 줄이는 효과를 제공함에 있다.As described above, the present invention senses the rotational speed of the rotating dehydration tank after the dehydration is completed by using a Hall sensor and rotates below the predetermined speed to drive the brake to stop the dehydration tank to rotate the dehydration. It is to reduce the noise generated during forced stop of the tank and to reduce the damage of the clutch gear.
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KR1019930022884A KR960014252B1 (en) | 1993-10-30 | 1993-10-30 | Dehydration tub breaking method |
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KR1019930022884A KR960014252B1 (en) | 1993-10-30 | 1993-10-30 | Dehydration tub breaking method |
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KR100662299B1 (en) * | 2002-11-26 | 2007-01-02 | 엘지전자 주식회사 | method for braking motor in dehydration cycle of washing machine |
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