KR960014253B1 - Capacity detection device of washing machine - Google Patents
Capacity detection device of washing machine Download PDFInfo
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- KR960014253B1 KR960014253B1 KR1019930022888A KR930022888A KR960014253B1 KR 960014253 B1 KR960014253 B1 KR 960014253B1 KR 1019930022888 A KR1019930022888 A KR 1019930022888A KR 930022888 A KR930022888 A KR 930022888A KR 960014253 B1 KR960014253 B1 KR 960014253B1
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
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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
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
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- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
내용 없음.No content.
Description
제1도는 본 발명에 적용되는 제어블럭도.1 is a control block diagram applied to the present invention.
제2도는 본 발명에 이동되는 광센서의 부착도.2 is an attached view of an optical sensor moved in the present invention.
제3도는 본 발명에 적용되는 펄스발생부의 제어블럭도.3 is a control block diagram of a pulse generator according to the present invention.
제4도는 본 발명에 따른 파형도로서 (a)와 (b)는 광입력에 따른 파형도, (c)는 플립플롭의 출력파형도, (d)는 발진회로의 출력파형도, (e)는 노어게이트의 출력파형도.4 is a waveform diagram according to the present invention, (a) and (b) are waveform diagrams according to optical input, (c) is an output waveform diagram of a flip-flop, (d) is an output waveform diagram of an oscillator circuit, and (e) Is output waveform diagram of NORGATE.
본 발명은 세탁기의 포량감지회로에 관한 것으로서, 특히 포량감지시 세탁조의 회전에 따른 펄스의 수를 감지하여 포량을 감지하는 세탁기의 포량감지회로에 관한 것이다.The present invention relates to a quantity detection circuit of a washing machine, and more particularly, to a quantity detection circuit of a washing machine for detecting a quantity by detecting the number of pulses according to the rotation of the washing tank during the quantity detection.
종래의 세탁기에 있어서, 세탁행정, 헹굼행정, 탈수행정등 일련의 행정들은 마이콤에 기입력되어 있는 소정의 프로그램에 의해 제어되어 각각의 행정이 진행되어지게 된다.In the conventional washing machine, a series of strokes such as a washing stroke, a rinsing stroke, a dehydration stroke, and the like are controlled by a predetermined program pre-inputted into the microcomputer so that each stroke is performed.
특히 상기와 같은 행정의 진행이 마이콤에 의해 전자동으로 처리되어 질 경우 일반적으로 로드센서를 이용하여 포량을 감지하여 수위를 선택하고, 세탁시간등 여러가지 세탁에 필요한 조건들을 설정하게 된다.In particular, when the above-described process of the process is automatically processed by the microcomputer, the load level is generally detected by using a load sensor to select the water level, and the conditions for various washing such as washing time are set.
그러나 상기 로드센서는 세탁기의 모터에 병렬연결되어 있는 러닝캐패시터의 충방전시간을 감지하여 이 달라지는 정도를 이용하여 포량을 감지하게되나 전압의 변동, 캐패시터의 용량, 벨트의 장력, 모터 풀리의 크리등 많은 변수가 작용되어 포량의 정확한 감지가 어려운 문제점이 있었다.However, the load sensor detects the charge and discharge time of the running capacitor connected in parallel to the motor of the washing machine and detects the quantity using this varying degree, but changes in voltage, capacitor capacity, belt tension, motor pulley, etc. Many variables have been applied to the problem that it is difficult to accurately detect the amount of capacity.
본 발명의 목적은 포량감지시 세탁조의 회전에 따라 세탁조의 밸런스 상부 소정위치에 부착된 검출봉이 회전하게 되므로 이 검출봉의 회전을 감지하는 광센서와 펄스발생부에 의해 발생되어지는 펄스의 수를 이용한 세탁조의 회전속도를 검출함으로서 보다 정확한 포량을 감지할 수 있는 효과를 제공함에 있다.An object of the present invention is to rotate the detection rod attached to a predetermined position of the upper balance of the washing tank in accordance with the rotation of the washing tank during the detection of the amount of water, using the number of pulses generated by the optical sensor and the pulse generator for detecting the rotation of the detecting rod By detecting the rotational speed of the washing tank to provide an effect that can detect a more accurate amount.
상기 목적을 실현하기 위하여 본 발명은 세탁조의 상부에 부착되 밸런스의 상면 소정위치에 부착되어 세탁조의 회전에 따라 같이 회전하도록 되어있는 검출봉과, 상기 검출봉의 통과를 감지하는 광센서와, 상기 광센서에 의해 발생되는 신호를 이용하여 소정의 펄스를 발생시켜 펄스의 수를 마이콤으로 입력시키는 펄스발생부로 구성되어짐을 특징으로 한다.In order to achieve the above object, the present invention is attached to the upper portion of the washing tank is attached to a predetermined position on the upper surface of the balance and the detection rod which is to rotate together with the rotation of the washing tank, an optical sensor for detecting the passage of the detection rod, and the optical sensor It is characterized in that it comprises a pulse generator for generating a predetermined pulse by using the signal generated by the input of the number of pulses to the microcomputer.
이하 첨부된 도면에 의거 본 발명을 상세시 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, 세탁기에 전원을 인가하는 전원부(12)와, 세탁조내의 수위를 감지하는 수위감지부(13)와, 세탁조의 회전에 따라 펄스를 발생시키는 펄스발생부(14)와, 세탁기의 모터를 구동시는 모토구동부(15)와, 세탁조로 급수하는 급수변과 배수를 하는 배수변을 구동시키는 급배수구동부(16)로 구성되어진다.1 is a control block diagram applied to the present invention, the microcomputer 11 for controlling all the components of the washing machine, the power supply unit 12 for applying power to the washing machine, and the water level sensing unit for detecting the water level in the washing tank ( 13), a pulse generator 14 for generating pulses according to the rotation of the washing tank, a moto driver 15 for driving the motor of the washing machine, a water supply valve for supplying water to the washing tank, and a drain valve for draining water. The water supply and drainage drive unit 16 is configured.
제2도는 본 발명에 이용되는 광센서의 부착도로서, 세탁물을 담아 세탁하는데 필요한 세탁조(21)와, 상기 세탁조(21)의 상부 소정위치에 부착되어 세탁조의 균형을 잡는 밸런스(22)와, 상기 밸런스(22)의 상면 소정위치에 부착되어 세탁조의 회전에 따라 같이 회전하도록 되어 있는 검출봉(23)과, 상기 검출봉(23)의 상부 소정 위치에 서로 대응하도록 장착되어 검출봉(23)의 통과를 감지하는 광센서(PT1,PT2)로 구성되어진다.2 is a view showing the attachment of the optical sensor used in the present invention, a washing tank 21 necessary to contain laundry and a balance 22 attached to an upper predetermined position of the washing tank 21 to balance the washing tank, A detection rod 23 attached to a predetermined position on the upper surface of the balance 22 to rotate together with the rotation of the washing tub, and mounted to correspond to each other at an upper predetermined position of the detection rod 23. Consists of optical sensors (PT1, PT2) to detect the passage of.
제3도는 본 발명에 적용되는 펄스발생부의 제어블럭도로서, 셋트단자(S)와 리셋트단자(R)와 출력단(Q)를 갖고 진리표(T1)에 의해 소정의 신호를 출력하는 플립플롭(31)과, 소정의 주파수를 발생시키는 발진회로(32)와, 상기 플립플롭(31)과, 발진회로(32)로부터 출력되는 신호를 진리표(T2)에 의해 조합하는 노어게이트(NOR)와, 상기 노어게이트(NOR)로부터 출력되어지는 신호의 펄스수를 카운트하기 위한 카운터회로(33)로 구성 되어진다.3 is a control block diagram of a pulse generator according to the present invention, which has a set terminal S, a reset terminal R, and an output terminal Q, and outputs a predetermined signal by a truth table T1. 31, the oscillation circuit 32 for generating a predetermined frequency, the flip-flop 31, the NOR gate NOR for combining the signal output from the oscillation circuit 32 with the truth table T2, It consists of a counter circuit 33 for counting the number of pulses of the signal output from the NOR gate NOR.
제4도는 본 발명에 따른 파형도로서, (a)와 (b)는 광센서(PT1,PT2)에 의한 입력에 따른 파형도이고, (c)는 플립플롭(31)의 출력파형도이고, (d)는 발진회(32)로의 출력파형도이고, (e)는 노어게이트(NOR)의 출력파형도이다.4 is a waveform diagram according to the present invention, (a) and (b) is a waveform diagram according to the input by the optical sensors (PT1, PT2), (c) is an output waveform diagram of the flip-flop 31, (d) is an output waveform diagram of the oscillation circuit 32, and (e) is an output waveform diagram of the NOR gate NOR.
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 초기화되어 각종 세탁코스에 대한 입력신호를 기다리게 된다.When the power is applied to the washing machine through the power supply unit 12, the microcomputer 11 is initialized and waits for input signals for various washing courses.
이때 사용자에 의해 전자동 세탁코스가 선택되어지면 포량을 감지하기 위하여 세탁포가 들어 있는 세탁조(21)가 회전을 시작하게 되며 이 세탁조의 밸런스(22)상면 소정위치에 부착되어 있는 검출봉(23)이 상기 밸런스(22)와 연동되어 회전을 하게 된다.At this time, when the automatic washing course is selected by the user, the washing tank 21 containing the washing cloth starts to rotate to detect the quantity of the detection rod 23 which is attached to the predetermined position on the balance 22 upper surface of the washing tank. The rotation is linked with the balance 22.
상기 검출봉(23)이 회전을 하다 광센서(PT1)로 진압하게 되면 상기 광센서(PT1)의 발광부(미설명)에서 발생되어지는 빛을 검출봉(23)이 반사시켜 광센서(PT1)의 수광부(미설명)로 빛이 입사되지 못하게 된다.When the detection rod 23 rotates and is suppressed by the optical sensor PT1, the detection rod 23 reflects the light generated by the light emitting unit (not described) of the optical sensor PT1 to cause the optical sensor PT1 to rotate. ), The light is not incident to the light receiving portion (not described).
이때 광센서(PT1)에서는 제4도의 (a)와 같은 '하이'신호를 플립플롭(31)의 셋트단자(S)로 입력시키게 되고 이때 플립플롭(31)의 리셋트단자(R)에 연결되어 있는 다른 광센서(PT2)는 제4도의 (b)와 같은 '로우'신호를 출력하게 된다.At this time, the optical sensor PT1 inputs the 'high' signal as shown in (a) of FIG. 4 to the set terminal S of the flip-flop 31 and is connected to the reset terminal R of the flip-flop 31. The other optical sensor PT2 outputs a 'low' signal as shown in FIG. 4 (b).
이와같이 플립플롭(31)으로 입력되는 신호는 제3도의 플립플롭(31)의 진리표(T1)에서 보는 바와 같이 조합되어 플립플롭(31)의 출력단(Q)을 통해 제4도의 (c)에 도시된 바와 같이 '로우'신호가 노어게이트(NOR)로 입력되어지게 된다.In this way, the signals input to the flip-flop 31 are combined as shown in the truth table T1 of the flip-flop 31 of FIG. 3 and shown in FIG. 4C through the output terminal Q of the flip-flop 31. As described above, the 'low' signal is inputted to the NOR gate NOR.
이때 상기 노어게이트(NOR)로는 발진회로(32)를 통해 제4도의 (d)에 도시된 바와 같이 소정의 주파수를 갖는 신호가 입력되어 상기 플립플롭(31)으로부터 인가된 신호와 제3도의 노어게이트(NOR)의 진리표(T2)에 따라 조합되어 제4도의 (e)와 같은 펄스파형의 신호가 카운터회로(33)로 입력되어진다.At this time, a signal having a predetermined frequency is input to the NOR gate NOR through the oscillation circuit 32, as shown in (d) of FIG. 4, and the signal applied from the flip-flop 31 and the NOR of FIG. Combined according to the truth table T2 of the gate NOR, a pulse waveform signal as shown in FIG. 4E is input to the counter circuit 33.
상기 카운터회로(33)에서는 입력되어지는 신호의 펄스수를 카운트하게 되며, 이 카운트는 상기 검출봉(23)이 광센서(PT2)를 통과 할때까지만 진행이 되어진다.The counter circuit 33 counts the number of pulses of the input signal, and the counting proceeds only until the detection rod 23 passes through the optical sensor PT2.
즉, 상기 검출봉(23)이 광센서(PT2)로 진입하게 되면 플립플롭(31)의 리셋트단자(R)로 제4도의 (b)에 도시된 '하이'신호가 입력되어지고, 셋트단자(S)로는 '로우'신호가 입력되어지면 제3도의 플립플롭(31)의 진리표(T1)에 따라 조합되어 제4도의 (c)에서 보듯이 '하이'신호가 플립플롭(31)의 출력단(Q)을 통해 출력되어 노어게이트(NOR)로 입력되어진다.That is, when the detection rod 23 enters the optical sensor PT2, the 'high' signal shown in (b) of FIG. 4 is input to the reset terminal R of the flip-flop 31, and the set When the 'low' signal is input to the terminal S, it is combined according to the truth table T1 of the flip-flop 31 of FIG. 3 and the 'high' signal of the flip-flop 31 is shown in FIG. It is output through the output terminal Q and input to the NOR gate NOR.
상기 노어게이트(NOR)로 '하이'신호가 입력되어지면 제3도의 노어게이트(NOR)의 진리표(T2)에서 보듯이 발진회로(32)의 신호와 상관없이 전부 '로우'신호가 출력되므로 카운터회로(33)에서 카운트할 펄스가 발생되지 않는다.When the 'high' signal is inputted to the NOR gate NOR, as shown in the truth table T2 of the NOR gate NOR of FIG. 3, all the 'low' signals are output regardless of the signal of the oscillator circuit 32. No pulses to count in the circuit 33 are generated.
전술한 바와 같이 검출봉(23)이 광센서(PT1)를 통과한 후 광센서(PT2)를 통과할때까지 발생된 펄스수를 카운터회로(33)를 통해 카운트하여 카운트된 펄스수와 상기 마이콤(1'1)에 기입력되어 있는 상기 검출봉(23)의 진행경로인 세탁조(21)의 반원주의 거리를 이용하여 마이콤(11)은 세탁조(21)의 회전속도를 계산할 수 있다.As described above, the number of pulses generated by counting the number of pulses generated by the detection rod 23 after passing through the optical sensor PT1 and after passing through the optical sensor PT2 through the counter circuit 33 and the micom The microcomputer 11 may calculate the rotational speed of the washing tank 21 by using the distance of the semi-circle of the washing tank 21 which is the path of the detection rod 23 previously inputted into 1'1.
상기 세탁조(21)를 회전시키는 모터구동부(15)의 모터로 공급되는 전원은 일정하지만 포량의 변화에 따라 모터에 걸리는 부하가 달라지므로 상기 마이콤(11)에서 계산되어진 세탁조(21)의 회전속도는 세탁조(21)내에 들어있는 포량에 따라 변화가 발생하게 되며 이 속도의 변화를 마이콤(11)에 기 입력되어 있는 세탁조 회전속도에 따른 포량에 대한 소정의 데이타와 비교하여 포량을 감지할 수 있다.The power supplied to the motor of the motor driving unit 15 for rotating the washing tank 21 is constant, but the load applied to the motor varies according to the change in the quantity of the laundry, so the rotation speed of the washing tank 21 calculated by the microcomputer 11 is A change occurs according to the amount of water contained in the washing tank 21, and the change of the speed can be detected by comparing the change of the speed with predetermined data on the amount of washing according to the rotating speed of the washing tank previously input to the microcomputer 11.
이상에서 설명한 바와 같이 본 발명은 포량감지시 세탁조의 회전에 따라 세탁조의 밸런스 상부 소정위치에 부착된 검출봉이 회전하게 되므로 이 검출봉의 회전을 감지하는 광센서와 펄스발생부에 의해 발생되어지는 펄스의 수를 이용하여 세탁조의 회전속도를 검출하여 소정의 데이타와 비교함으로서 보다 정확한 포량을 감지할 수 있는 효과를 제공함에 있다.As described above, according to the present invention, the detection rod attached to a predetermined position of the upper portion of the washing tank rotates according to the rotation of the washing tank when the quantity of water is detected, so that the pulse generated by the optical sensor and the pulse generator detecting the rotation of the detecting rod By detecting the rotational speed of the washing tank using the water and comparing it with the predetermined data, it is possible to provide an effect of detecting a more accurate amount of water.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930022888A KR960014253B1 (en) | 1993-10-30 | 1993-10-30 | Capacity detection device of washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019930022888A KR960014253B1 (en) | 1993-10-30 | 1993-10-30 | Capacity detection device of washing machine |
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| Publication Number | Publication Date |
|---|---|
| KR950011712A KR950011712A (en) | 1995-05-15 |
| KR960014253B1 true KR960014253B1 (en) | 1996-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019930022888A KR960014253B1 (en) | 1993-10-30 | 1993-10-30 | Capacity detection device of washing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100840543B1 (en) * | 2006-10-09 | 2008-06-23 | 주식회사 대우일렉트로닉스 | Drying administration method of drum washing machine |
| US7659332B2 (en) | 2005-12-30 | 2010-02-09 | Cheil Industries Inc. | Flame retardant polycarbonate thermoplastic resin composition having good extrusion moldability and impact resistance |
| WO2015172635A1 (en) * | 2014-05-16 | 2015-11-19 | 无锡小天鹅股份有限公司 | Pulsator washing machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100438297B1 (en) * | 2001-12-14 | 2004-07-02 | 엘지전자 주식회사 | Control Method of float-type clutch of washing machine |
| KR100504482B1 (en) * | 2002-11-26 | 2005-08-03 | 엘지전자 주식회사 | Method and apparatus for sensing cloth weight of drum washing machine |
-
1993
- 1993-10-30 KR KR1019930022888A patent/KR960014253B1/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7659332B2 (en) | 2005-12-30 | 2010-02-09 | Cheil Industries Inc. | Flame retardant polycarbonate thermoplastic resin composition having good extrusion moldability and impact resistance |
| KR100840543B1 (en) * | 2006-10-09 | 2008-06-23 | 주식회사 대우일렉트로닉스 | Drying administration method of drum washing machine |
| WO2015172635A1 (en) * | 2014-05-16 | 2015-11-19 | 无锡小天鹅股份有限公司 | Pulsator washing machine |
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| Publication number | Publication date |
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| KR950011712A (en) | 1995-05-15 |
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