KR20000043385A - Method for discharging washing water when valve for supplying water of drum laundry machine is out of order - Google Patents

Abstract

PURPOSE: A method for discharging washing water when a valve for supplying water of a drum laundry machine is out of order is provided which prevents washing water overflowing outside a laundry machine. CONSTITUTION: A method for discharging washing water when a valve for supplying water of a drum laundry machine is comprised of: a stage to decide whether the door is opened or not in a state that the electricity is not provided due to the breaking down of the valve for supplying water; a stage to indicate opening of the door when the door is opened; a stage to sense whether the water level of the washing water supplied successively into the water tank is reached to the low water level (H2) or not; a stage to indicate the successive water supply; a stage to operate a pump for discharging water to make washing water reached to the point of H2 discharged outside; a stage to sense whether the water level is zero or not by being operated a pump for discharging water; and a stage to make the pump for discharging water stopped when the water level is zero by the same stage.

Description

How to drain the washing water when the water supply valve of the drum washing machine is broken

The present invention relates to a drum washing machine, in particular, even when the power supply valve is not applied in the state that the door is opened and closed due to the failure of the water supply valve to continue to supply water to prevent the washing water from flowing out of the washing machine to prevent The present invention relates to a method of draining wash water in the event of a water supply valve failure of a drum washing machine, which can prevent safety accidents and property loss caused by overflow.

Water supply and drainage configuration of a conventional drum washing machine is shown in FIG.

That is, the drum washing machine (1), and the detergent container (2) coupled to the upper side of the drum washing machine (1) to supply washing water and detergent,

Tub (4) mounted inside the drum washing machine (1) for receiving and storing the wash water and detergent of the detergent container (2) through the water supply hose (3),

A drum (5) coupled to the tub (4) for washing laundry;

A drain pump 6 connected to the tub 4 and the tub drain hose 7 to pump the washing water of the drum 5 and the tub 4 to the outside;

It is configured to have a drain hose 8 connected to the drain pump 6 to drain the wash water pumped by the drain pump 6 to the outside.

Referring to the effects of the conventional configuration as described above are as follows.

First, the door 11 is opened, the laundry to be washed is put in the drum 5, the door is closed, the course to be washed is selected, and the start button is pressed.

Electricity is applied to the water supply valve 9 by the start button, and water enters the water supply valve 9 through a hose outside the washing machine 1 connected to the faucet.

In addition, the wash water introduced into the water supply valve (9) enters the drum (5) in the tub (4) through the detergent container (2) and the water supply hose (3) inside the washing machine (1) and the tub ( 4) The tub drain hose 7 and the water level sensor hose connected to the water level sensor 10 to the water pressure inside the tub 4 is transferred to the water supply valve 9 is turned off to stop the water supply.

Then, as the motor is driven, the drum 5 rotates forward and reverse to perform washing.

In the conventional washing machine as described above, the water is continuously supplied in spite of not applying power to the water supply valve 9 due to a failure of the water supply valve 9 in a state in which power is applied to the washing machine, that is, a power plug is plugged in. This may occur.

At this time, the drainage is controlled by a process as shown in the flute chart of FIG.

That is, when the door 11 is closed (S1), it is determined whether the water level has reached the high water level (H1) in the water level detection process (S2), and when the wash water reaches the high water level (H1), the continuous water supply display error process ( The water supply error is continuously displayed on the front side of the washing machine 1 by S3), so that the water supply situation is continuously recognized by the consumer.

In addition, if the wash water does not reach the high water level (H1) by the water level sensor 10 is to continue to detect the water level inside the tub (4).

When the water level of the washing water reaches the high water level H1 after the error display is displayed on the front of the washing machine 1 by the continuous water supply error display process S3, the drain pump 6 is operated by the drain pump driving process S4. ) Is automatically driven to drain the wash water in the tub 4 through the tub drain hose 7 and the drain hose 8.

At this time, when all the water in the tub 4 is drained, the water level sensor 10 detects the air level (no water) and stops the driving of the drain pump 6 by the drain pump stop process (S6). do.

In addition, if the water level in the tub 4 is not the water level, the drainage pump 6 is driven until the water level is reached to drain the wash water.

In addition, if the failure of the water supply valve 9 is not repaired even after the drainage pump stop process (S6), it is determined whether the high water level (H1) is reached and the high water level (H1) is repeated to repeat the above processes. It is.

On the other hand, when the continuous water is generated due to a failure of the water supply valve in the state in which the door is open (S11), the water to be supplied is to flow out of the washing machine through the door as it is.

Therefore, since the drum washing machine 1 is often installed together with a room and a sink, it may cause a safety accident and consumer's property loss due to overflow of the wash water.

The purpose of the present invention for solving and complementing such a conventional problem,

Even though power is not applied to the water supply valve while the door is opened and closed, it provides an object of preventing the washing water from overflowing the washing machine while the water is continuously supplied due to a failure of the water supply valve.

In order to achieve the above object, the present invention,

If the water supply valve continues to open even though the water supply valve is open and closed, the water supply valve has been shut down by Micom. It is possible to achieve the object of the present invention by allowing the drainage to the outside by the rear drainage pump and allowing the drainage to the outside by the drainage pump after receiving the wash water to a low level when the door is open.

1 is a cross-sectional view illustrating a configuration of a conventional drum washing machine and a method of draining wash water

2 is a flow chart for explaining the drainage method of the conventional drum washing machine

Figure 3 is a cross-sectional view for explaining the configuration of the drum washing machine of the present invention and the method of draining the wash water

Figure 4 is a flu chart for explaining the drainage method of the drum washing machine of the present invention

<Code Description of Main Parts of Drawing>

101-Drum washing machine 102-Detergent

103-water hose 104-tub

105-drum 106-drain pump

107-Tub Drain Hose 108-Drain Hose

109-water valve 110-water level sensor

111-door

The configuration of the drum washing machine of the present invention is shown in FIG.

That is, the drum washing machine 101, the detergent container 102 is coupled to the upper side of the drum washing machine 101 to supply washing water and detergent,

Tub 104 mounted inside the drum washing machine 101 to store the wash water and the detergent of the detergent container 102 is supplied through the water supply hose 103, and

A drum 105 coupled to the tub 104 to wash laundry;

A drain pump 106 connected to the tub 104 and the tub drain hose 107 to pump the washing water of the drum 105 and the tub 104 to the outside;

In order to drain the wash water pumped by the drain pump 106 to the outside is configured to have a drain hose 108 connected to the drain pump 106.

On the other hand, the drainage control method when the water supply error continues due to a failure of the water supply valve of the present invention is shown in the flow chart of FIG.

That is, when the water supply valve 109 of the drum washing machine 101 malfunctions, the water supply valve 109 determines whether the door 111 is opened or closed by the microcomputer when the water is continuously supplied while the water is supplied. Process (S101),

When it is determined that the door 111 is closed by the door open / close determination process (S101),

High water level detection process (S111) for detecting whether the water level of the wash water supplied into the tub 104 by the continuous water supply reaches the high water level (H1),

Continuous water supply error display process (S112) for informing the error of the water supply valve 109,

A drain pump driving process (S113) for draining the wash water reached to the tub 104 to a high water level (H1) to the outside by the drain pump 106;

Air level detection process (S114) for detecting whether the air level in the tub 104 by the drain pump driving process (S113),

When the air level in the tub 104 is detected by the air level detection process (S114), it is made of a drain pump stop process (S115) for stopping the drain pump 106.

In addition, when it is determined that the door is opened by the door open / close determination process (S101),

Door open display process (S1O2) for knowing the opening of the door,

Low water level detection process (S103) for detecting whether the water level of the wash water supplied into the tub 104 by the continuous water supply reaches the low water level (H2),

Continuous water supply error display process (S104) for informing the error of the water supply valve 109,

A drain pump driving process (S105) for draining the wash water reached to the tub 104 to the low water level (H2) to the outside by the water pump 106;

Air level detection process (S106) for detecting the air level in the tub 104 by the drain pump driving process (S105),

When the air level in the tub 104 is detected by the air level detection process (S106), the water pump stop process (S107) for stopping the drain pump.

Then, the low water level (H2) of the low water level detection process (S103) is set to a level such that the washing water does not flow into the door.

In addition, the open display of the door of the door opening display process (S102) is to be displayed by a display character or a warning sound.

And, if the continuous water supply error occurs when the door 111 of the drum washing machine 101 is closed, it receives and drains the washing water of the high water level H1, and if the continuous water supply error occurs when the door 111 is opened, the low water level (H2) It will be to drain the wash water.

In addition, if no action is taken in the event of a continuous water supply error due to the water supply valve 109 failure, the processes from the low water level detection process S103 to the drain pump stop process S107 are repeated.

When explaining the operation of the present invention as described above by one embodiment as follows.

First, Figure 3 is a cross-sectional view for explaining the configuration of the drum washing machine of the present invention and the method of draining the wash water, the laundry to be opened by opening the door 111 is put into the drum 105, the door 111 is closed after washing Select the course and press the start button.

Electricity is applied to the water supply valve 109 by the start button, and water enters the water supply valve 109 through a hose outside the washing machine 101 connected to the faucet.

In addition, when the wash water supplied to the water supply valve 109 enters the drum 105 in the tub 104 through the detergent container 102 and the water supply hose 103 inside the washing machine 101 and reaches a predetermined level. The water supply valve 109 is turned off to stop the water supply while the water pressure inside the tub 104 is transmitted to the water level sensor 110 through the tub drain hose 107 and the water level sensor hose connected to the tub 104.

Then, while the motor is driven, the drum 105 is rotated forward and reverse to wash.

In the washing machine 101 of the present invention as described above, even though the power is applied to the washing machine 101, that is, the power supply plug is plugged in, the power supply valve 109 has not been applied to the water supply valve 109 due to a failure of the water supply valve. The water supply may continue to occur.

At this time, the drainage is controlled by a process as shown in the flute chart of FIG.

That is, when the door 111 is closed (S101), it is determined by the microcomputer whether the high water level (H1) is reached in the high water level detection process (S111), and when the wash water reaches the high water level (H1), the water supply error continues. In step S112, the water supply error is continuously displayed on the front of the washing machine 101, so that the water supply situation is continuously recognized by the consumer.

In addition, if the wash water does not reach the high water level (H1) by the water level sensor 110 is to continue to detect the water level inside the tub (104).

When the water level of the washing water reaches the high water level H1 after the error display is displayed on the front surface of the washing machine 101 by the continuous water supply error display process S112, the drain pump 106 by the drain pump driving process S113. ) Is automatically driven to drain the wash water in the tub 104 through the tub drain hose 107 and the drain hose 108.

At this time, when all the water in the tub 104 is drained, the water level sensor 110 detects the air level (no water) (S114) and the drainage pump 106 is driven by the drainage pump stopping process (S115). Will stop.

In addition, if the water level in the tub 104 is not the water level, the drainage pump 106 is driven until the water level is reached to drain the wash water.

In addition, if the failure of the water supply valve 109 has not been repaired even after the drainage pump stop process (S115), it is determined whether the high water level (H1) is reached continuously, and the above processes are repeated while reaching the high water level (H1). It is.

On the other hand, if the continuous water is generated due to a failure of the water supply valve in the open state of the door (S11), the door opening display process (S102) is made by the microcomputer and then the low water level (H2) in the low water level detection process (S103). When the wash water reaches the low water level (H2), the water supply error is continuously displayed on the front side of the washing machine 101 by the water supply error displaying process (S104) to allow the consumer to recognize the water supply situation.

In addition, if the wash water does not reach the low water level (H2) by the water level sensor 110 is to continue to detect the water level inside the tub (104).

When the water level of the washing water reaches the low water level H2 after the error indication is displayed on the front of the washing machine 101 by the continuous water supply error display process S104, the drain pump 106 by the drain pump driving process S105. ) Is automatically driven to drain the wash water in the tub 104 through the tub drain hose 107 and the drain hose 108.

At this time, when all the water in the tub 104 is drained, the water level sensor 110 detects the air level (no water) (S106) and the drainage pump 106 is driven by the drainage pump stopping process (S107). Will stop.

In addition, if the water level in the tub 104 is not the water level, the drainage pump 106 is driven until the water level is reached to drain the wash water.

In addition, if the failure of the water supply valve 109 has not been repaired even after the drainage pump stop process (S107), it is determined whether to reach the low water level (H2) continuously and to repeat the above processes while reaching the low water level (H2). It is.

In addition, since the water supplied during continuous water supply due to a failure of the water supply valve 109 as described above is drained to the outside through the drain hose 108 that the water overflows out of the washing machine 101 through the open door 111. It can prevent.

Therefore, the safety device can prevent a safety accident and a loss of property of the consumer.

In addition, since the low water level H2 of the low water level detection process S103 is set to a level at which the washing water does not flow into the door 111, the washing water does not leak to the outside through the open door 111. .

In addition, since the door opening display of the door opening display process (S102) can be displayed by a display letter or a warning sound, the user is considered to be able to repair it quickly.

And, if the continuous water supply error occurs when the door 111 of the drum washing machine 101 is closed, it receives and drains the washing water of the high water level H1, and if the continuous water supply error occurs when the door 111 is opened, the low water level (H2) Since it is intended to drain the wash water so that both the closing or opening of the door 111 can prevent the external leakage of the wash water.

In addition, if the water supply error due to the failure of the water supply valve 109 does not take action, since the process from the low water level detection process (S103) to the drainage pump stop process (S107) is repeatedly performed, even if left for a long time to wash the outside To prevent leakage.

According to the present invention, even if no power is supplied to the water supply valve while the door is opened and closed, the door is closed by checking the opening / closing state of the door when the water supply is continuously generated due to a failure of the water supply valve. After receiving the wash water up to the high water level, it can be drained to the outside by the drain pump. If the door is open, the wash water can be drained to the outside by the drain pump after receiving the wash water up to the low water level to prevent the wash water from overflowing the washing machine. It has a useful effect to prevent safety accidents and consumer's material loss caused by leaked wash water.

Claims (5)

Determination of whether the door is opened or closed to determine whether the door is opened or closed when water is continuously supplied without supplying electricity to the water supply valve due to a malfunction of the water supply valve of the drum washing machine. When the door is opened by the process of determining whether the door is opened or closed, the door opening display process for knowing the opening of the door; A low water level detection process for detecting whether the water level of the wash water supplied into the tub by the continuous water supply reaches the low water level (H2); Continuous water supply error display process for informing the error of the water supply valve, A drain pump driving process for draining the wash water reached to the tub to a low water level (H2) to the outside by a waste water pump; An air level detection process for detecting an air level in the tub by the drain pump driving process; When the water level in the tub is detected by the air level detection process, the method of draining the wash water when the water supply valve failure of the drum washing machine, characterized in that the drain pump stop process for stopping the drain pump. The method of claim 1, The low water level (H2) of the low water level detection process is a method of draining the wash water when the water supply valve failure of the drum washing machine, characterized in that the water level is set so that the washing water does not flow into the door. The method of claim 1, The opening indication of the door of the door opening display process is a method of draining the wash water when the water supply valve failure of the drum washing machine, characterized in that it can be displayed by a display character or a warning sound. The method of claim 1, When the water supply error occurs when the door of the drum washing machine is closed, it receives and drains the wash water of the high water level (H1), and when the water supply error occurs when the door is opened, the water is received and drained to the water level (H2) Method for draining the wash water in case of water supply valve failure of the drum washing machine. The method of claim 1, The method of draining the wash water when the water supply valve failure of the drum washing machine, characterized in that to repeat the process from the low water level detection process to the drainage pump stop process if no action is taken when the continuous water supply error due to the water supply valve failure.