KR100652480B1 - Rotation preventing apparatus for drum type washing machine - Google Patents

Rotation preventing apparatus for drum type washing machine Download PDF

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Publication number
KR100652480B1
KR100652480B1 KR1020050124522A KR20050124522A KR100652480B1 KR 100652480 B1 KR100652480 B1 KR 100652480B1 KR 1020050124522 A KR1020050124522 A KR 1020050124522A KR 20050124522 A KR20050124522 A KR 20050124522A KR 100652480 B1 KR100652480 B1 KR 100652480B1
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KR
South Korea
Prior art keywords
drum
tub
sensing plate
washing machine
water
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KR1020050124522A
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Korean (ko)
Inventor
박종상
전규동
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주식회사 대우일렉트로닉스
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Priority to KR1020050124522A priority Critical patent/KR100652480B1/en
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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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/007—Methods for washing, rinsing or spin-drying for spin-drying only
    • 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
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • 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
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
    • D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Abstract

An apparatus for preventing rotation of water of a drum type washing machine is provided to perform drying smoothly and lengthen the life span of the machine by placing the sensing plate and the potentiometer and preventing the overload from occurring at the driving apparatus. An apparatus for preventing rotation of water of a drum type washing machine is composed of: a cabinet whose front is opened and installed with a door; a tub(52) having a predetermined space and storing the washing water; a drum(54) rotatably installed in the tub and formed with plural holes to dip the laundry; a driving apparatus installed at the tub; a sensing plate(60) rotatably installed between the tub and the drum and contacted with the water if the water is rotated along with the drum to be rotated; a potentiometer mounted at a rotary shaft(62) of the sensing plate to transmit an electric signal if the sensing plate is rotated over the reference value; and a control unit for stopping the driving apparatus according to the signal received at the potentiometer. The tub is formed with a mounting part(56) bent to the outside.

Description

드럼 세탁기의 세탁수 회전방지장치 {ROTATION PREVENTING APPARATUS FOR DRUM TYPE WASHING MACHINE}Washing machine anti-rotation device of drum washing machine {ROTATION PREVENTING APPARATUS FOR DRUM TYPE WASHING MACHINE}

도 1은 일반적인 드럼 세탁기가 도시된 단면도,1 is a cross-sectional view showing a typical drum washing machine,

도 2는 본 발명에 의한 드럼 세탁기의 터브 및 드럼이 도시된 단면도,2 is a cross-sectional view showing a tub and a drum of the drum washing machine according to the present invention;

도 3은 본 발명에 의한 드럼 세탁기의 세탁수 회전방지장치가 도시된 구성도,3 is a block diagram showing a washing machine rotation preventing device of the drum washing machine according to the present invention,

도 4는 본 발명에 의한 회전방지장치가 도시된 사시도,Figure 4 is a perspective view of a rotation preventing device according to the present invention,

도 5는 본 발명에 의한 회전방지장치가 도시된 분해 사시도,5 is an exploded perspective view showing a rotation preventing device according to the present invention,

도 6은 본 발명에 의한 회전방지장치의 차단상태가 도시된 단면도,6 is a cross-sectional view showing a blocking state of the rotation preventing device according to the present invention;

도 7은 본 발명에 의한 회전방지장치의 개방상태가 도시된 단면도,7 is a sectional view showing an open state of the rotation preventing device according to the present invention;

도 8은 본 발명에 의한 회전방지장치가 도시된 블록도이다.8 is a block diagram showing a rotation preventing device according to the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

50 : 캐비닛 52 : 터브50: cabinet 52: tub

54 : 드럼 56 : 장착부54: drum 56: mounting portion

58 : 홀부 60 : 감지판58: hole 60: detection plate

62 : 회전축 64 : 걸림턱62: rotating shaft 64: locking jaw

70 : 코일 스프링 80 : 포텐셔미터70: coil spring 80: potentiometer

90 : 솔레노이드 100 : 제어부90: solenoid 100: control unit

본 발명은 드럼 세탁기의 세탁수 회전방지장치에 관한 것으로서, 특히 터브와 드럼 사이에 배치되는 세탁수가 드럼을 따라 회전하게 되는 이를 감지할 수 있도록 하는 감지판이 설치됨으로써, 드럼 세탁기에서 탈수작동이 이루어질 때에 세탁수가 배수되지 않고 드럼을 따라 회전되는 것을 억제하므로 원활한 탈수작동을 행하고 모터에 과부하가 발생되는 것을 방지할 수 있도록 한 드럼 세탁기의 세탁수 회전방지장치에 관한 것이다.The present invention relates to a washing machine anti-rotation device of a drum washing machine, and in particular, when a sensing plate is installed to detect the washing water disposed between the tub and the drum to rotate along the drum, when the dehydration operation is performed in the drum washing machine Since the washing water is prevented from being rotated along the drum without draining, the present invention relates to a washing machine rotation preventing device of a drum washing machine capable of performing a smooth dehydration operation and preventing an overload of a motor.

일반적으로 드럼세탁기는 회전축이 수평 방향으로 배치되는 드럼 내에 세제와 세탁수 및 세탁물이 투입된 상태에서 모터의 구동력에 의해 회전되는 드럼과 세탁물간의 마찰을 이용하여 세탁하는 장치로서, 세탁물의 손상이 거의 없고 세탁물이 서로 엉키지 않으며, 두드리고 비벼 빠는 세탁효과가 있다.In general, the drum washing machine is a device for washing by using a friction between the drum and the laundry rotated by the driving force of the motor in a state in which detergent, washing water and laundry are put in a drum in which the rotating shaft is disposed in a horizontal direction, and there is almost no damage to the laundry. The laundry does not get tangled with each other, and the washing effect is pounding and scrubbing.

도 1은 종래 기술에 의한 증기분사식 드럼세탁기의 구성이 도시된 단면도이다.1 is a cross-sectional view showing the configuration of a steam jet drum washing machine according to the prior art.

종래 기술에 의한 증기분사식 드럼세탁기는, 일정 공간을 이루고, 전면이 개구되어 도어가 설치된 캐비닛(1)과, 상기 캐비닛(1) 내부에 설치되고, 세탁작동이 이루어지는 일정 공간을 이루는 터브(2)와, 상기 터브(2)와 캐비닛(1) 사이에 설치되어 터브(2)가 일정량 유동 가능하게 지지되도록 하는 완충장치(3)와, 상기 터브(2) 내측에 회전 가능하게 설치되어 세탁수 및 세탁물이 담겨지는 드럼(4)과, 상기 드럼(4) 내벽면에 일정 간격을 두고 돌출되도록 설치되어 상기 드럼(4)이 회전됨에 따라 세탁물을 끌어올려 떨어지도록 하는 리프트(5)와, 상기 터브(2)의 후방에 상기 드럼(4)과 연결되도록 설치된 구동장치(6)와, 상기 터브(2)의 상측에 설치되어 상기 터브(2) 및 드럼(4) 내측으로 세탁수를 공급하는 급수장치(7)와, 상기 터브(2)의 하측에 설치되어 상기 터브(2) 및 드럼(4) 내부의 세탁수를 캐비닛(1) 외측으로 배출시키는 배수장치(8)와, 상기 터브(2) 일 측에 설치되어 세탁수를 고온의 증기로 가열하여 상기 터브(2) 및 드럼(4) 내부로 공급되도록 하는 증기발생장치(9)가 포함되어 구성된다.The steam jet drum washing machine according to the prior art forms a predetermined space, the front of which is opened, the cabinet (1) having a door, and the tub (2) installed in the cabinet (1) and a predetermined space in which the washing operation is performed. And a buffer device 3 installed between the tub 2 and the cabinet 1 to support the tub 2 so as to be able to flow in a predetermined amount, and rotatably installed inside the tub 2 to wash water and A drum (4) in which laundry is contained, a lift (5) installed to protrude at an interval on the inner wall of the drum (4) to lift and drop the laundry as the drum (4) is rotated, and the tub Water supply for supplying the wash water to the tub (2) and the drum (4) inside the drive device (6) installed to be connected to the drum (4) to the rear of the (2), the upper side of the tub (2) The device 7 and the tub 2 are provided below the tub 2 And a drainage device (8) for discharging the washing water in the drum (4) to the outside of the cabinet (1), and installed at one side of the tub (2) to heat the washing water with high temperature steam. It is configured to include a steam generator (9) to be supplied into the drum (4).

여기서, 상기 증기발생장치(9)는, 상기 급수장치(7)로부터 연결되어 세탁수가 공급되도록 하는 급수유로(9a)와, 상기 급수유로(9a)가 연결되어 세탁수가 저장되도록 일정 공간을 이루는 케이스(9b)와, 상기 케이스(9b)에서 터브(2) 내측으로 연장되어 고온, 고압의 증기가 터브(2) 및 드럼(4) 내부로 공급되도록 하는 공급관(9c)이 포함되어 구성된다.Here, the steam generator 9 is connected to the water supply passage (9a) is connected to the water supply device 7 so that the wash water is supplied, the water supply passage (9a) is connected to form a predetermined space so that the wash water is stored 9b and a supply pipe 9c extending from the case 9b to the inside of the tub 2 to supply high temperature and high pressure steam into the tub 2 and the drum 4.

이로써, 사용자가 드럼(4) 내부에 세탁물을 수납한 후에 세탁기를 구동시키면 먼저, 급수장치(7)에 의해 터브(2) 및 드럼(4) 내부로 세탁수가 공급되는데, 이때, 세탁수는 급수장치(7)에 설치된 세제통(7a)을 지나면서 세탁수와 세제가 혼합되어 터브(2)의 내부로 유입된다.Thus, when the user drives the washing machine after storing the laundry in the drum 4, first, the washing water is supplied to the tub 2 and the drum 4 by the water supply device 7, wherein the washing water is supplied with water. The washing water and the detergent are mixed and flow into the tub 2 while passing through the detergent container 7a installed in the apparatus 7.

이후에, 세탁수의 공급이 완료되면 이것이 제어부에 의해 감지되고, 제어부에서 송신되는 전기적 신호에 의해 구동장치(6)에 전원이 인가되므로 드럼(4)이 회전되면서 세탁작동이 이루어진다.Subsequently, when the supply of the washing water is completed, this is detected by the controller, and power is applied to the driving device 6 by an electrical signal transmitted from the controller, so that the washing operation is performed while the drum 4 is rotated.

세탁작동이 완료된 후에는 헹굼작동이 이루어지고, 헹굼작동이 완료된 후에는 세탁수가 캐비닛 외측으로 배출되는 배수작동이 이루어지는 바, 이때는 드럼이 일정 속도 이상으로 회전되면서 세탁물에 잔존하는 세탁물이 외부로 배출되도록 한다.After the washing operation is completed, a rinsing operation is performed, and after the rinsing operation is completed, a drainage operation is performed in which the washing water is discharged to the outside of the cabinet. In this case, the drum is rotated at a certain speed so that the laundry remaining in the laundry is discharged to the outside. do.

그러나, 종래 기술에 의한 드럼 세탁기는 배수작동이 이루어질 때에 세탁수가 터브(2) 외측으로 배수되지 않고 드럼(4)을 따라 회전하게 되는 오작동이 종종 발생되는데 이렇게 세탁수가 회전되므로 배수작동이 원활하게 이루어지지 않는 것뿐만 아니라 모터에 큰 저항이 발생되므로 과부하가 발생되는 문제점이 있다.However, the drum washing machine according to the prior art often causes a malfunction in which the washing water is rotated along the drum 4 without being drained out of the tub 2 when the draining operation is performed. Not only does not support, because a large resistance is generated in the motor there is a problem that overload occurs.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 터브와 드럼 사이에 회전되는 세탁수를 감지토록 하는 감지판이 설치됨으로써, 드럼을 따라 회전되는 세탁수가 감지되면 모터의 회전을 멈추고 배수작동 만을 행하여 원활한 탈수작동을 이룸과 동시에 모터에 과부하가 발생되는 것을 방지할 수 있도록 한 드럼 세탁기의 세탁수 회전방지장치를 제공하는데 그 목적이 있다.The present invention has been made in order to solve the above problems of the prior art, by installing a detection plate to detect the washing water rotated between the tub and the drum, when the washing water rotates along the drum is stopped rotation of the motor and drained It is an object of the present invention to provide a washing machine rotation preventing device of a drum washing machine, which can perform a dehydration operation by only performing the operation and at the same time to prevent the motor from being overloaded.

상기한 과제를 해결하기 위한 본 발명에 따른 드럼 세탁기의 세탁수 회전방지장치는, 일정 공간을 이루고, 전면이 개구되어 도어가 설치된 캐비닛과, 상기 도어 내측에 일정량 유동 가능하게 설치되고, 일정 공간을 이루어 세탁수가 담겨지는 터브와, 상기 터브 내측에 회전 가능하게 설치되고, 다수 개의 홀부가 형성되어 세탁물이 담겨지는 드럼과, 상기 터브에 설치되고, 드럼에 연결된 구동장치와, 상기 터브와 드럼 사이에 회전 가능하게 설치되어 세탁수가 드럼을 따라 회전하면 세탁수와 접촉되어 회전되는 감지판과, 상기 감지판의 회전축에 설치되어 감지판이 설정치 이상으로 회전되면 전기적 신호를 송신하는 포텐셔미터와, 상기 포텐셔미터에서 수신된 신호에 따라 구동장치의 정지시키는 제어부가 포함된 것을 특징으로 한다.Washing water rotation preventing device of the drum washing machine according to the present invention for solving the above problems, a predetermined space, the front is opened, the cabinet is installed in the door, the door is installed to be able to flow a certain amount, the predetermined space A tub in which the wash water is contained, a drum rotatably installed inside the tub, and having a plurality of hole parts formed therein to accommodate the laundry, a driving device installed in the tub and connected to the drum, between the tub and the drum. A sensing plate which is rotatably installed and is rotated in contact with the washing water when the washing water rotates along the drum, a potentiometer which is installed on the rotating shaft of the sensing plate and transmits an electrical signal when the sensing plate is rotated more than a set value, and received by the potentiometer. And a control unit for stopping the driving device according to the received signal.

이하, 본 발명에 의한 드럼 세탁기의 세탁수 회전방지장치의 일 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings an embodiment of a washing machine rotation preventing device of a drum washing machine according to the present invention will be described in detail.

도 2는 본 발명에 의한 드럼 세탁기의 터브 및 드럼이 도시된 단면도이고, 도 3은 본 발명에 의한 드럼 세탁기의 세탁수 회전방지장치가 도시된 구성도이며, 도 4는 본 발명에 의한 회전방지장치가 도시된 사시도이다.Figure 2 is a cross-sectional view of the tub and drum of the drum washing machine according to the present invention, Figure 3 is a block diagram showing a washing water rotation preventing device of the drum washing machine according to the present invention, Figure 4 is a rotation prevention according to the present invention The device is a perspective view shown.

본 발명에 따른 드럼 세탁기의 세탁수 회전방지장치는 일정 공간을 이루고, 전면이 개구되어 도어가 설치된 캐비닛(50)과, 상기 도어 내측에 일정량 유동 가능하게 설치되고, 일정 공간을 이루어 세탁수가 담겨지는 터브(52)와, 상기 터브(52) 내측에 회전 가능하게 설치되고, 다수 개의 홀부가 형성되어 세탁물이 담겨지는 드 럼(54)과, 상기 터브(52)에 설치되고, 드럼(54)에 연결된 구동장치(미도시)와, 상기 터브(52)와 드럼(54) 사이에 회전 가능하게 설치되어 세탁수가 드럼(54)을 따라 회전하면 세탁수와 접촉되어 회전되는 감지판(60)과, 상기 감지판(60)의 회전축(62)에 설치되어 감지판(60)이 설정치 이상으로 회전되면 전기적 신호를 송신하는 포텐셔미터(80)와, 상기 포텐셔미터(80)에서 수신된 신호에 따라 구동장치의 정지시키는 제어부(100)가 포함되어 구성된다.Washing water rotation preventing device of the drum washing machine according to the present invention forms a predetermined space, the front is opened, the cabinet 50 is installed with the door, the door is installed to be able to flow a certain amount, the laundry is formed in a certain space is contained Tub 52, a drum (54) rotatably installed inside the tub (52), a plurality of holes are formed to contain laundry, and installed in the tub (52) and on the drum (54). A drive plate (not shown) connected to the tub 52 and a sensing plate 60 rotatably installed between the tub 52 and the drum 54 so that the washing water rotates in contact with the washing water when the washing water rotates along the drum 54; The potentiometer 80 is installed on the rotation shaft 62 of the sensing plate 60 and transmits an electrical signal when the sensing plate 60 is rotated more than a set value, and according to the signal received from the potentiometer 80 of the driving device. Control unit 100 to stop is included The.

이로써, 탈수작동이 개시된 상태에서 감지판(60)에 세탁수가 접촉되면 감지판(60)이 회전되면서 포텐셔미터(80)로부터 전기적 신호가 송신되므로 제어부(100)에 의해 구동장치가 정되고, 배수작동만이 진행되어 세탁수가 원활히 배수될 수 있도록 한다.Thus, when the washing water is in contact with the sensing plate 60 in the state of the dehydration operation is initiated by the control unit 100, the driving device is determined by the control unit 100 as the sensing plate 60 is rotated and an electrical signal is transmitted from the potentiometer 80. Only the water flows to allow the wash water to drain smoothly.

여기서, 상기 터브(52)는 도 4에 도시된 바와 같이 상기 감지판(60)이 설치되는 일 측이 개구되어 홀부(58)를 이루고, 외측으로 절곡되어 이루어진 장착부(56)가 형성되는 바, 상기 홀부(58)를 중심으로 감지판(60)의 단부가 터브(52) 외측으로 일정량 돌출되는 바, 상기 감지판(60)의 외측 단부에 형성된 걸림턱(64)과, 상기 걸림턱(64)에 대응되게 터브(52)의 외벽에 설치되어 걸림턱(64)을 가압하면 감지판(60)이 회전되어 장착부(56) 내측으로 삽입되도록 하는 솔레노이드(90)와, 상기 감지판(60)의 회전축(62)에 설치되어 솔레노이드(90)의 구동이 중지되면 감지판(60)을 터브(52)와 드럼(54) 사이로 돌출되도록 복원시키는 코일 스프링(70)이 더 포함되어 구성된다.As shown in FIG. 4, the tub 52 has one side in which the sensing plate 60 is installed to be opened to form a hole 58, and a mounting portion 56 formed by bending outward is formed. The end of the sensing plate 60 protrudes a predetermined amount toward the outside of the tub 52 about the hole 58, and the locking jaw 64 formed at the outer end of the sensing plate 60 and the locking jaw 64. And a solenoid 90 installed on the outer wall of the tub 52 to press the locking jaw 64 so that the sensing plate 60 is rotated and inserted into the mounting part 56. Is installed on the rotating shaft 62 of the solenoid 90 when the drive is stopped is configured to further include a coil spring 70 for restoring the detection plate 60 to protrude between the tub 52 and the drum 54.

이로써, 배수작동이 원활히 이루어져 드럼(54)의 회전속도가 일정 속도 이상 으로 고속 회전을 이루면 상기 솔레노이드(90)가 구동되어 걸림턱(64)을 가압하므로 감지판(60)은 회전축(62)을 중심으로 회전하여 장착부(56) 내부로 삽입되어 드럼(54)과 감지판(60)이 간섭되는 것을 방지할 수 있도록 한다.As a result, when the rotation speed of the drum 54 is rotated at a high speed by a predetermined speed or more, the solenoid 90 is driven to press the latching jaw 64 so that the sensing plate 60 opens the rotation shaft 62. Rotation to the center is inserted into the mounting portion 56 to prevent the drum 54 and the sensing plate 60 from interfering.

상기와 같이 구성된 본 발명에 의한 드럼 세탁기의 세탁수 회전방지장치의 동작을 살펴보면 다음과 같다.Looking at the operation of the washing machine rotation preventing device of the drum washing machine according to the present invention configured as described above are as follows.

먼저, 전원이 인가되어 세탁작동이 이루어지고, 세탁작동이 완료된 후에 헹굼작동을 거쳐 탈수작동이 이루어지는 바, 상기 구동장치의 회전에 의해 드럼(54)이 회전하면서 세탁물의 수분이 외부로 배출되도록 한다.First, the washing operation is performed by applying power, and after the washing operation is completed, the dehydration operation is performed through the rinsing operation. The drum 54 is rotated by the rotation of the driving device so that the laundry water is discharged to the outside. .

이때, 드럼(54)의 둘레면을 따라 세탁수가 회전되는 현상이 종종 발생되는데 이렇게 회전되는 세탁수는 감지판(60)에 접촉되면서 감지판(60)을 회전시키고, 감지판(60)이 설정치 이상으로 회전되면 포텐셔미터(80)에 의해 전기적 신호가 송신되므로 제어부(100)에 의해 구동장치의 회전이 중지되고, 배수펌프만이 구동되어 세탁수의 배수를 행한다.At this time, the washing water is often rotated along the circumferential surface of the drum 54. The washing water rotated in this manner rotates the sensing plate 60 while contacting the sensing plate 60, and the sensing plate 60 is set to the set value. When the rotation is the above, since the electrical signal is transmitted by the potentiometer 80, the rotation of the drive unit is stopped by the control unit 100, only the drain pump is driven to drain the wash water.

이후에 세탁수의 배수가 원활히 이루어지면 다시 구동장치가 회전되면서 탈수작동을 행하고, 드럼(54)의 속도가 일정치 이상으로 고속 회전되면 제어부(100)에서 이를 감지하여 솔레노이드(90)를 구동시키면 솔레노이드(90)에서 돌출된 암이 걸림턱(64)을 밀어 감지판(60)이 회전축(62)을 따라 회전하면서 장착부(56) 내부로 삽입되도록 한다.After the drainage of the wash water is made smoothly, the driving device is rotated again to perform dehydration operation, and when the speed of the drum 54 is rotated at a high speed by a predetermined value or more, the controller 100 detects this and drives the solenoid 90. The arm protruding from the solenoid 90 pushes the locking jaw 64 so that the sensing plate 60 is inserted into the mounting portion 56 while rotating along the rotation shaft 62.

이로써, 감지판(60)과 드럼(54) 사이에 간섭이 방지되어 안정된 탈수작동을 이룰 수 있다.As a result, interference between the sensing plate 60 and the drum 54 may be prevented to achieve a stable dehydration operation.

상기와 같이 구성되는 본 발명에 의한 드럼 세탁기의 세탁수 회전방지장치는 세탁수의 회전을 감지하는 감지판 및 이를 전기적 신호로 송신하는 포텐셔미터가 설치됨으로써, 드럼을 따라 세탁수가 회전하는 것을 억제하여 원활한 탈수작동을 이룸과 동시에 구동장치에 과부하가 발생되는 것을 방지하여 세탁기 수명이 연장되는 이점이 있다.Washing water rotation preventing device of the drum washing machine according to the present invention is configured as described above is installed by the sensing plate for detecting the rotation of the wash water and a potentiometer for transmitting it as an electrical signal, by preventing the wash water rotates along the drum smooth At the same time as the dehydration operation to prevent the overload of the drive device has the advantage of extending the life of the washing machine.

또한, 드럼이 일정 속도 이상으로 고속 회전을 이루면 감지판이 장착부 내부로 삽입되도록 하는 걸림턱 및 솔레노이드가 설치됨으로써, 감지판에 의한 오작동 및 파손이 방지된 안정된 탈수작동을 행할 수 있는 이점이 있다.In addition, when the drum is rotating at a high speed over a predetermined speed, the locking jaw and the solenoid are installed to allow the sensing plate to be inserted into the mounting portion, thereby providing a stable dehydration operation in which malfunction and damage by the sensing plate are prevented.

Claims (3)

일정 공간을 이루고, 전면이 개구되어 도어가 설치된 캐비닛과;A cabinet forming a predetermined space and having a front surface opened and having a door; 상기 도어 내측에 일정량 유동 가능하게 설치되고, 일정 공간을 이루어 세탁수가 담겨지는 터브와;A tub installed inside the door to be movable in a predetermined amount and having a predetermined space therein for washing water; 상기 터브 내측에 회전 가능하게 설치되고, 다수 개의 홀부가 형성되어 세탁물이 담겨지는 드럼과;A drum rotatably installed inside the tub and having a plurality of holes formed therein to accommodate laundry; 상기 터브에 설치되고, 드럼에 연결된 구동장치와;A driving device installed at the tub and connected to the drum; 상기 터브와 드럼 사이에 회전 가능하게 설치되어 세탁수가 드럼을 따라 회전하면 세탁수와 접촉되어 회전되는 감지판과;A sensing plate rotatably installed between the tub and the drum to rotate in contact with the wash water when the wash water rotates along the drum; 상기 감지판의 회전축에 설치되어 감지판이 설정치 이상으로 회전되면 전기적 신호를 송신하는 포텐셔미터와;A potentiometer installed on a rotating shaft of the sensing plate and transmitting an electrical signal when the sensing plate is rotated above a set value; 상기 포텐셔미터에서 수신된 신호에 따라 구동장치의 정지시키는 제어부가 포함된 것을 특징으로 하는 드럼 세탁기의 세탁수 회전방지장치.Washing water rotation preventing device of the drum washing machine, characterized in that it comprises a control unit for stopping the driving device in accordance with the signal received from the potentiometer. 제 1 항에 있어서;The method of claim 1; 상기 터브는 상기 감지판이 설치되는 일 측이 개구되어 홀부를 이루고, 외측으로 절곡되어 이루어진 장착부가 형성된 것을 특징으로 하는 드럼 세탁기의 세탁수 회전방지장치.The tub is one side of the detection plate is installed is opened to form a hole portion, the washing water rotation preventing device of the drum washing machine, characterized in that the mounting portion formed bent outward. 제 1 항에 있어서;The method of claim 1; 상기 감지판의 외측 단부에 형성된 걸림턱과, 상기 걸림턱에 대응되게 터브의 외벽에 설치되어 걸림턱을 가압하면 감지판이 회전되어 장착부 내측으로 삽입되도록 하는 솔레노이드와, 상기 감지판의 회전축에 설치되어 솔레노이드의 구동이 중지되면 감지판을 터브와 드럼 사이로 돌출되도록 복원시키는 코일 스프링이 더 포함된 것을 특징으로 하는 드럼 세탁기의 세탁수 회전방지장치.A locking jaw formed at the outer end of the sensing plate, a solenoid installed on the outer wall of the tub so as to correspond to the locking jaw and pressurizing the locking jaw so that the sensing plate is rotated and inserted into the mounting part, and is installed on the rotating shaft of the sensing plate. The washing machine rotation preventing device of the drum washing machine, characterized in that it further comprises a coil spring for restoring the sensing plate to protrude between the tub and the drum when the solenoid is stopped.
KR1020050124522A 2005-12-16 2005-12-16 Rotation preventing apparatus for drum type washing machine KR100652480B1 (en)

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