KR940006563B1 - Water suction stopper for vacuum cleaner with wet duster - Google Patents

Water suction stopper for vacuum cleaner with wet duster Download PDF

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Publication number
KR940006563B1
KR940006563B1 KR1019920009318A KR920009318A KR940006563B1 KR 940006563 B1 KR940006563 B1 KR 940006563B1 KR 1019920009318 A KR1019920009318 A KR 1019920009318A KR 920009318 A KR920009318 A KR 920009318A KR 940006563 B1 KR940006563 B1 KR 940006563B1
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KR
South Korea
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water
motor
signal
microcomputer
input
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KR1019920009318A
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Korean (ko)
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KR930023011A (en
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박창도
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주식회사 금성사
이헌조
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners

Abstract

The water absorption preventing apparatus includes a rectifier for rectifying input alternating power and outputting the rectified direct current voltage, a water signal inputting portion for converting the amount of water detected by a water detector into a signal, a microcomputer for outputting a current supply termination signal and motor stop signal to control a motor when the water detecting signal is input from the water signal inputting portion, a relay for applying the rectified direct current to the field of the motor, and a motor speed controller for stopping current supplied to the motor when the current supply termination signal is input from the microcomputer, thereby preventing a user from electric shock in advance.

Description

물걸레 진공청소기의 물흡입 방지장치Water suction prevention device of mop vacuum cleaner

제1도는 종래 물걸레 진공청소기의 전동기속도 제어회로도.1 is a motor speed control circuit diagram of a conventional mop vacuum cleaner.

제2도는 제1도에 의한 각부의 출력파형도.2 is an output waveform diagram of each part according to FIG.

제3도는 종래 물걸레 진공청소기의 물걸레 흡입구에 위치한 물검지기의 위치도.3 is a position diagram of the water detector located in the mop suction port of the conventional mop vacuum cleaner.

제4도는 본 발명 물걸레 진공청소기의 손잡이에 위치한 물검지기의 위치도.Figure 4 is a position view of the water detector located on the handle of the mop vacuum cleaner of the present invention.

제5도는 본 발명 물걸레 진공청소기의 물흡입 방지회로도.5 is a water inhalation prevention circuit of the present invention mop vacuum cleaner.

제6도는 본 발명 물걸레 진공청소기의 물흡입 방지 제어방법의 흐름도.Figure 6 is a flow chart of the water suction prevention control method of the mop vacuum cleaner of the present invention.

제7도는 전동기회전식 전동기내부 결선도.7 is a connection diagram of the motor rotary motor.

제8도는 전도기 급정지시 전동기결선회로도.8 is a circuit diagram of the electric motor wiring when the conductor is suddenly stopped.

제9도는 전동기 급정지시 전자석의 기본원리도.9 is a basic principle of the electromagnet when the motor sudden stop.

제10도는 전동기회전 원리도.10 is a principle diagram of the motor rotation.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

3 : 물신호입력부 4 : 마이크로컴퓨터3: water signal input unit 4: microcomputer

5 : 정류부 6 : 릴레이부5: rectification part 6: relay part

7 : 전동기속도제어부 8 : 계자7: motor speed control unit 8: field

9 : 회전자 10 : 물검지기9: rotor 10: water detector

11 : 손잡이 12 : 흡입구11: handle 12: inlet

본 발명은 물걸레 진공청소기의 물흡입 방지장치에 관한 것으로, 특히 전동기의 정지시까지의 시간을 급제동으로 물이 청소기내로 들어가기전에 차단시켜 전동기 및 여과기를 보호하도록 한 물걸레 진공청소기의 물흡입 방지장치에 관한 것이다.The present invention relates to a device for preventing water intake of a mop vacuum cleaner, and more particularly, to a device for preventing water intake of a mop vacuum cleaner which blocks the time until the motor stops before the water enters the cleaner by rapid braking to protect the motor and the filter. It is about.

종래 물걸레 진공청소기의 전동기속도 제어회로도는 제1도에 도시된 바와같이, 인가되는 전원전압(Vi)을 입력받아 분압하는 가변저항(VR)과, 이 가변저항과 함께 시정수를 결정하는 콘덴서(C1)와, 상기 콘덴서(C1)에 충전되는 단자전압에 따라 트라이악(T1)의 도통 및 차단상태를 제어하는 다이액(DI1)으로 구성되었다.A conventional motor speed control circuit diagram of a mop vacuum cleaner includes a variable resistor VR for receiving and dividing an input power supply voltage Vi, and a capacitor for determining a time constant together with the variable resistor as shown in FIG. C 1 ) and a die solution DI 1 for controlling the conduction and breaking state of the triac T 1 according to the terminal voltage charged in the capacitor C 1 .

이와같이 구성된 종래의 회로에 있어서, 먼저 제2도의 (a)와 같은 인가전압(Vi)이 전원전압단을 통해 입력되면 가변저항(VR)을 통해 분압된 전압이 콘덴서(C1)에 충전되는데, 그 충전되는 단자전압(Vc)은 제2도의 (b)에 도시된 바와같이 점점 상승되어간다.In the conventional circuit configured as described above, when the applied voltage Vi as shown in FIG. 2A is input through the power supply voltage terminal, the voltage divided by the variable resistor VR is charged in the capacitor C 1 . The charged terminal voltage Vc is gradually increased as shown in Fig. 2B.

상기 콘덴서(C1)에 충전된 단자전압(Vc)이 상승하여 다이액(DI1)을 도통시키기 위한 브레이크오버전압(VBO)에 달하면 그 다이액(DI1)이 도통하고 그 음(-)의 저항특성에 의해 펄스전류가 흐르고 트라이액(T1)의 게이트에 제2도의 (c)에 도시한 바와같은 트리거전류(IT)가 흐른다.The capacitor (C 1) a terminal voltage (Vc) to rise to when it reaches the break-over voltage (V BO) for interconnecting the die solution (DI 1) The die-liquid (DI 1) is conducting and the negative charge on the (- The pulse current flows due to the resistance characteristic of the N s) and the trigger current I T as shown in (c) of FIG. 2 flows to the gate of the triac T 1 .

상기 트라이액(T1)이 도통되고 전원전압은 영전압(0V)이 되어 다시 차단상태로 되돌아간다. 이때 전동기(M)에 걸리는 전압(VL)은 제2도의 (d)에서와 같다. 그리고 이뒤의 동작은 음(-)의 사이클에서도 마찬가지로 반복하여 교류전원을 위상제어한다.The triac T 1 is turned on, and the power supply voltage becomes zero voltage (0 V), and returns to the cutoff state. At this time, the voltage (V L ) applied to the motor (M) is the same as in (d) of FIG. The subsequent operation is similarly repeated in the negative cycle to phase control the AC power.

그러나, 물걸레 진공청소기를 가지고 청소를 할 경우 흡입구를 통해 물이 흡입될때 사용자가 물흡입을 인지하고 손잡이 부분의 전동기출력 조정스위치를 차단할때 이미 물은 여과기 및 전동기속으로 흡입되어 종이여과기가 찢어지거나, 전동기정류자의 손상, 회전자 및 계자부식등으로 인하여 전동기의 수명을 손상케하고, 장시간 사용시엔 제품의 성능저하 및 사용자의 감전을 초래하는 문제점이 발생하였다.However, when cleaning with a mop vacuum cleaner, when the user notices the water intake when the water is sucked in through the suction port and shuts off the motor power adjustment switch on the handle part, the water is already sucked into the filter and the motor and the paper filter is torn. In addition, damage to the motor commutator, rotor and field corrosion damage the life of the motor, and when used for a long time, the performance of the product and the user's electric shock has occurred.

따라서, 종래의 문제점을 해결하기 위하여 본 발명은 물흡입 감지후 전동기 정지시까지의 시간을 단축하여 물이 청소기 본체에 들어가기 전에 차단시켜 청소기내의 종이여과기 찢어짐과 사용자의 감전위험을 사전에 방지하도록 한 물걸레 진공청소기의 물흡입 방지장치를 창안한 것으로, 이하 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Therefore, in order to solve the conventional problems, the present invention shortens the time until the motor stops after detecting water intake so that water is blocked before entering the cleaner main body to prevent the paper filter tearing in the cleaner and the electric shock risk of the user in advance. Invented a device for preventing water intake of the mop vacuum cleaner, described in detail below with reference to the accompanying drawings.

제5도는 본 발명 물걸레 진공청소기의 물흡입 방지회로도로서 이에 도시한 바와같이, 입력되는 교류전원을 브리지다이오드(BD)를 이용하여 정류한 직류전압을 출력하는 정류부(5)와, 흡입구를 통해 입력되는 물량을 물검지기(10)로 감지하고 그 물량에 대해 신호로서 전달하는 물신호입력부(3)와, 상기 물신호입력부(3)로부터 물입력신호 인가시 전류공급종단신호와 전동기정지신호를 출력하여 전동기의 동작을 제어하는 마이크로컴퓨터(4)와, 상기 마이크로컴퓨터(4)로부터 전동기정지신호가 입력되면 상기 정류부(5)를 통해 정류된 직류전압을 전동기의 계자(8)에 인가되도록 스위칭하는 릴레이부(6)와, 상기 마이크로컴퓨터(4)로부터 전동기전류공급 종단신호가 입력되면 전동기에 공급되는 전류를 차단하는 전동기속도제어부(7)로 구성된다. 또한 물검지기(10)는 손잡이(11)에 설치하는 것이 좋다.5 is a water suction prevention circuit diagram of the mop vacuum cleaner according to the present invention, as shown in the figure, the rectifying unit 5 for outputting the rectified DC voltage rectified by using the bridge diode (BD) and the input through the suction port The water signal input unit 3 detects the amount of water to be supplied by the water detector 10 and transmits it as a signal for the water amount, and outputs a current supply termination signal and a motor stop signal when the water input signal is applied from the water signal input unit 3. And a microcomputer 4 for controlling the operation of the motor, and switching the DC voltage rectified through the rectifier 5 to be applied to the field 8 of the motor when the motor stop signal is input from the microcomputer 4. The relay unit 6 and the motor speed control unit 7 which cuts off the current supplied to the motor when the motor current supply termination signal is input from the microcomputer 4. In addition, the water detector 10 is preferably installed on the handle (11).

이와같이 구성된 본 발명의 작용 및 효과를 상세히 설명하면 다음과 같다.Referring to the operation and effect of the present invention configured as described above in detail.

제3도 및 제4도에 도시된 바와같이 사용자가 물걸레청소기를 가지고 청소하던중에 물이 흡입되어 흡입구(12)부분이나 손잡이(11)에 부착된 물검지기(10)에 물이 검지되면, 상기 물검지기(10)는 물량에 따른 신호를 입력부를 통해 마이크로컴퓨터(4)에 전달한다. 그러면 상기 마이크로컴퓨터(4)는 물검지신호에 따라 전동기속도제어부(7)에 전류공급종단신호를 출력하여 전동기에 공급되는 주전원을 차단하도록 한다.As shown in FIGS. 3 and 4, when water is sucked while the user is cleaning with the mop cleaner and water is detected by the water detector 10 attached to the inlet 12 or the handle 11, the water is detected. The water detector 10 transmits a signal according to the quantity of water to the microcomputer 4 through the input unit. Then, the microcomputer 4 outputs a current supply termination signal to the motor speed control unit 7 according to the water detection signal to cut off the main power supplied to the motor.

이때 전동기에 공급되는 전류공급은 중단되나 원심력에 의해 회전자(9)가 계속 회전한다. 이와동시에 마이크로컴퓨터(4)는 전동기정지신호를 릴레이부(6)로 내보내게 된다. 그러면 마이크로컴퓨터(4)로부터 인가된 전동기정지신호는 릴레이부(6)의 저항(R1) 및 트랜지스터(Q1)를 거쳐 증폭되면 릴레이(LY1)가 작동되면서 정류부(5)의 브리지다이오드(BD)에서 반파정류된 교류가 콘덴서(C1)를 거치면서 직류가 릴레이스위치(SW1)의 접점을 거쳐 전동기의 계자(8)로 공급된다.At this time, the current supply to the motor is stopped, but the rotor 9 continues to rotate by the centrifugal force. At the same time, the microcomputer 4 sends the motor stop signal to the relay unit 6. Then, when the motor stop signal applied from the microcomputer 4 is amplified through the resistor R 1 and the transistor Q 1 of the relay unit 6, the relay LY 1 is operated and the bridge diode of the rectifier 5 ( The half-wave rectified alternating current flows through the condenser C 1 and the direct current is supplied to the field 8 of the motor via the contact point of the relay switch SW 1 .

이때 제9도에서와 같이 철심에 코일이 감긴 상태에서 전류를 흘리면 전자석이 되는 원리와 같이 계자(8)에 감긴 코일에 직류를 흘려주면 계자(8)는 전자석으로 변형되어 회전자(9)를 끌어당기게 된다.At this time, as shown in FIG. 9, when a current is flowed while the coil is wound around the iron core, a direct current is applied to the coil wound on the field 8 as in the principle of being an electromagnet. Pulled.

그런데, 상기 회전자(9)에는 상기 전동기속도제어부(7)에 의해 전류가 공급되지 않아 제10도에서와 같이 일정한 방향으로는 힘을 발생시키지 않으므로 제8도에 보인 바와같이 계자(8)에서 끌어당기는 전자력에 의해 계자(8)쪽으로 끌어당기게 되어 회전자(9)는 급정지하게 된다.However, since the electric current is not supplied to the rotor 9 by the motor speed control unit 7 and thus does not generate a force in a predetermined direction as shown in FIG. 10, the field 8 as shown in FIG. The attracting force is attracted toward the field 8 by the electromagnetic force, and the rotor 9 is suddenly stopped.

전동기정지신호를 발생시킨 후 대략 3초후에 마이크로컴퓨터(4)는 운전스위치가 도통상태인가를 확인하여 운전스위치가 도통 상태이면 다시 물검지기(10)에 수분이 제거되었는가를 확인하고 수분이 제거되어 있지 않으면 전원을 자동으로 차단시키고, 수분이 제거되었으면 주 수행프로그램으로 복귀하여 청소가 가능하도록 전동기를 제어한다.Approximately 3 seconds after the motor stop signal is generated, the microcomputer 4 checks whether the operation switch is in the conduction state. If the operation switch is in the conduction state, the microcomputer 4 checks whether the water is removed from the water detector 10 and removes the moisture. If not, turn off the power automatically. If water is removed, return to the main program and control the motor for cleaning.

다시말하면, 물검지기(10)에 물이 감지되면 마이크로컴퓨터(4)는 바로 전동기속도제어부(7)로 전동기정지신호를 출력하여 전동기속도제어부(7)로 하여금 전동기로 공급되는 전원을 차단하도록 하고, 또한 릴레이부(6)를 통해 전동기의 계자(8)에 직류를 투입하여 전자석화하도록 하면 그 전자석화된 계자(8)가 회전자(9)를 끌어당겨 정지토록 함으로써 종래에 비해 2배이상 빠르게 전동기를 정지시킬 수 있다.In other words, when water is detected by the water detector 10, the microcomputer 4 immediately outputs an electric motor stop signal to the electric motor speed control unit 7 to cause the electric motor speed control unit 7 to cut off the power supplied to the electric motor. In addition, when a direct current is applied to the field 8 of the electric motor through the relay unit 6 to electromagnetize it, the electromagnetized field 8 pulls the rotor 9 to stop and is twice or more than conventional. The motor can be stopped quickly.

또한 본 발명은 산업용에 쓰이는 정류자 전동기에 적용할 때 작업자의 실수로 인해 기계를 급정지시킬 때 동력원인 전동기를 급정지시킬 수 있으므로 산업재해를 최소화시킬 수 있다.In addition, the present invention can minimize the industrial accident because it can suddenly stop the motor as a power source when the machine is suddenly stopped due to the operator's mistakes when applied to the commutator motor used in the industrial.

이상에서 상세히 설명한 바와같이 본 발명은 정류자 전동기를 사용하는 청소기에 물검지기(10)를 부착, 이를 이용하여 물검지 인지 후, 전동기의 정지시까지의 시간을 급제동으로 물이 청소기 본체에 들어가기 전에 차단시켜 청소기내의 종이여과기가 물로 인해 찢어지는 점과 전동기의 신뢰성, 사용자의 감전위험을 사전에 예방할 수 있도록 한 효과가 있다.As described in detail above, the present invention attaches the water detector 10 to the cleaner using the commutator motor, and after the water detection is recognized using the water detector, blocks the time until the stop of the motor before the water enters the cleaner body by sudden braking. In this way, the paper filter in the cleaner can be torn by water, the reliability of the motor, and the user's risk of electric shock.

Claims (3)

입력되는 교류전원(AC)을 정류하고 그 정류된 직류전압을 출력하는 정류부(5)와, 물검지기(10)를 통해 검지된 물의 양을 신호로 변환하여 전달하는 물신호입력부(3)와, 상기 물신호입력부(3)로 부터 물검지신호가 입력되면 전류공급종단신호 및 전동기정지신호를 출력하여 전동기를 제어하는 마이크로컴퓨터(4)와, 상기 마이크로컴퓨터(4)로부터 전동기정지신호가 입력되면 상기 정류부(5)를 통해 정류된 직류를 전동기의 계자(8)에 인가되도록 스위칭하는 릴레이부(6)와, 상기 마이크로컴퓨터(4)로부터 전류공급종단신호가 입력되면 전동기에 공급되는 전류를 차단하는 전동기속도제어부(7)로 구성됨을 특징으로 하는 물걸레 진공청소기의 물흡입 방지장치.A rectifier 5 for rectifying the input AC power AC and outputting the rectified DC voltage, a water signal input unit 3 for converting the amount of water detected through the water detector 10 into a signal, and transmitting the signal; When the water detection signal is input from the water signal input unit 3, the microcomputer 4 for controlling the motor by outputting the current supply termination signal and the motor stop signal, and when the motor stop signal is input from the microcomputer 4, The relay unit 6 for switching the direct current rectified through the rectifier 5 to be applied to the field 8 of the motor, and when the current supply termination signal is input from the microcomputer 4, cuts off the current supplied to the motor. Water suction prevention device of the mop vacuum cleaner, characterized in that consisting of the motor speed control unit (7). 제1항에 있어서, 물검지기(10)는 손잡이(11)내에 설치한 것을 특징으로 하는 물걸레 진공청소기의 물흡입 방지장치.The water suction prevention device of the mop vacuum cleaner according to claim 1, wherein the water detector (10) is installed in the handle (11). 제1항에 있어서, 마이크로컴퓨터(4)는 전동기정지신호 및 전류공급종단신호를 출력한 후 운전스위치가 도통되고 물검지기(10)의 수분이 제거된 경우 정상동작을 수행시키고, 운전스위치가 도통되지 않았거나 물검지기(10)의 수분이 제거되지 않았으면 전원을 차단시킴을 특징으로 하는 물걸레 진공청소기의 물흡입 방지장치.The microcomputer (4) performs the normal operation when the operation switch is turned on and the water detector (10) is removed after outputting the motor stop signal and the current supply termination signal, and the operation switch is turned on. If not or the moisture of the water detector 10 is not removed, the water suction prevention device of the mop vacuum cleaner, characterized in that the power is cut off.
KR1019920009318A 1992-05-29 1992-05-29 Water suction stopper for vacuum cleaner with wet duster KR940006563B1 (en)

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Application Number Priority Date Filing Date Title
KR1019920009318A KR940006563B1 (en) 1992-05-29 1992-05-29 Water suction stopper for vacuum cleaner with wet duster

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Application Number Priority Date Filing Date Title
KR1019920009318A KR940006563B1 (en) 1992-05-29 1992-05-29 Water suction stopper for vacuum cleaner with wet duster

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KR930023011A KR930023011A (en) 1993-12-18
KR940006563B1 true KR940006563B1 (en) 1994-07-22

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366189A (en) * 2000-08-25 2002-03-06 Hoover Co Moisture indicator for a suction cleaner
GB2400543A (en) * 2000-08-25 2004-10-20 Hoover Co Water level detection and indication in wet suction cleaners

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366189A (en) * 2000-08-25 2002-03-06 Hoover Co Moisture indicator for a suction cleaner
GB2366189B (en) * 2000-08-25 2004-09-22 Hoover Co Moisture indicator for wet pick-up suction cleaner
GB2400543A (en) * 2000-08-25 2004-10-20 Hoover Co Water level detection and indication in wet suction cleaners

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Publication number Publication date
KR930023011A (en) 1993-12-18

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