KR100432737B1 - Washing method and apparatus in washing machine - Google Patents

Abstract

The present invention relates to a washing method and apparatus of a washing machine, and more particularly, to a washing method and apparatus of a washing machine that performs washing by increasing the amount of dissolved oxygen contained in the washing water when no detergent is used or less than the recommended amount. will be. The present invention is to wash and wash the wash water with alkaline water in the case of non-washing or low-washing washing, in particular to control the washing water to contact with the air before the washing administration proceeds, Alkaline water is produced by increasing dissolved oxygen and releasing carbon dioxide. Therefore, the present invention does not require a separate device for producing alkaline water, there is an advantage that can reduce the environmental pollution.

Description

Washing method and apparatus in washing machine

The present invention relates to a washing method and apparatus of a washing machine, and more particularly, to a washing method and apparatus of a washing machine that performs washing by increasing the amount of dissolved oxygen contained in the washing water when no detergent is used or less than the recommended amount. will be.

Washing is "a series of processes that remove the contamination of clothing by using mechanical force, detergents and water" and can be interpreted as a function of mechanical force, detergent, wash water, laundry cloth, and contamination (hereinafter referred to as 'laundry elements'). . Washing machine is to be able to perform the washing by appropriately adjusting the function relationship of the washing elements, such as most households have recently used the washing machine.

Here, looking at the type of washing machine, a drum-type washing machine in which the laundry cloth and washing water are put in the drum and the drum is rotated to wash with the impact of falling drops, and a laundry rod is installed in the center of the washing tank in a direction perpendicular to the ground, and spiral wings around it. Is equipped with a washing machine to perform the washing by forming a water flow in the regular left and right reverse of the laundry rod, and the vortex type washing machine to wash the laundry due to the impact of the water generated when the rotating rotor (Pulsator) at the bottom of the washing tank rotates There is.

On the other hand, detergents that form an axis of the functional relationship of washing have been developed using a lot of synthetic raw materials, and as humans pursue a more abundant and convenient lifestyle, its amount of use increases and has a significant impact on the human body and the environment. That is, the detergent remaining in the laundry cloth due to excessive detergent use adversely affects the skin of the laundry cloth wearer, and the overused detergent contaminates water. Therefore, in recent years, much attention has been paid to washing water rather than detergent in order to increase washing performance.

Among the characteristics of the wash water, the washing water hardness, pH and temperature are affected. The pH of the wash water should be relatively high. For this purpose, it was suggested to adjust the pH to change the water properties using ceramics and electrolyzers.

However, the prior art of improving the washing performance by adjusting the characteristics of the wash water as described above has the following problems.

First, in order to convert the tap water into alkaline water by increasing the pH, electrolyzing tap water using an electrolysis device, using a ceramic ball, and administering a chemical such as NaOH or Na2CO3 to convert into alkaline water. Etc.

The electrolysis method, because of the consumption of the negative electrode and the positive electrode should be replaced after a certain period of time, there was a big problem in the amount of electricity used for electrolysis. The method of using the ceramic ball, there is a problem that must be replaced because it is no longer effective when used for a certain period. In addition, the method of administering a chemical, it is difficult for the average consumer to purchase a specific chemical, and also has to cumbersome to put a chemical every wash administration.

As a result, the prior art of improving the washing performance by adjusting the characteristics of the conventional wash water, there is a problem that must use a separate alkaline water converter or use a specific chemical.

Therefore, an object of the present invention is to solve the problems of the prior art as described above, washing method of a washing machine that can perform the washing by converting the wash water to alkaline water only by the mechanical force, without using an converter for alkaline water and In providing a device.

In addition, another object of the present invention is to provide a washing method and apparatus for a washing machine capable of performing washing by increasing the amount of dissolved oxygen in the washing water, and making the washing water into alkaline water.

1 is a block diagram of a washing machine according to the present invention,

2 is a detailed configuration of the operation unit of the washing machine according to the present invention;

3 is a control block diagram of a washing machine according to the present invention;

4 is a configuration diagram of a washing machine according to another embodiment of the present invention;

5A to 5D are various embodiments for raising the washing water for producing alkaline water in the present invention.

Explanation of symbols on the main parts of the drawings

5: washing tank 6: washing blade

11: control panel 60: control unit

62: data storage unit 70: display unit

80: motor drive unit 85: pH detection sensor

According to a feature of the present invention for achieving the above object, a selection step of selecting a washing course; When the detergent-free washing and low detergent washing is selected in the selection step, an alkaline water production step of controlling the washing water to be changed to alkaline water by raising the washing water to make contact between the air and the washing water; It comprises a washing step of performing the washing using the alkaline water changed in the step.

The alkaline water production step in the present invention, by rotating the washing blade and the washing tank at a high speed to raise the washing tank between the storage tank and the washing tank, characterized in that the elevated water is made by re-injecting into the washing tank.

In another embodiment of the present invention, the alkaline water producing step is characterized by increasing the dissolved oxygen of the wash water by rotating the washing blades left and right to circulate the wash water through the pumping flow path.

In another embodiment of the present invention, the alkaline water production step is characterized by increasing the dissolved oxygen of the wash water by driving the wash water recirculation pump.

In the present invention, the alkaline water production step is characterized in that until the pH amount of the washing water detected by the pH sensor until a predetermined value or more.

In another embodiment of the alkaline water production step, the pH change according to the wash water circulation is set to a time value, characterized in that the pH of the wash water is performed for a time to reach a certain value.

According to another feature of the invention, the selecting means for selecting a washing course; Driving means for raising the wash water such that contact with the air is made to convert the wash water into alkaline water; And a control means for driving the driving means until the wash water is converted into alkaline water when the non-washing and the low washing are selected in the selection means.

The control means of the present invention is characterized in that for controlling the drive means for a predetermined time in accordance with the amount of change in pH different in the wash water circulation.

The present invention further comprises a pH sensor for detecting the pH of the wash water, wherein the control means, based on the detection value of the pH sensor to control the drive means for driving the alkaline water conversion do.

The drive means of the present invention, characterized in that for rotating the washing tank and the washing blade integrally at high speed.

The drive means of the present invention is characterized in that the washing water is circulated by rotating the washing blades to the pumping flow path.

The driving means of the present invention is characterized in that for controlling the circulation of the washing water by driving the washing water recirculation pump.

The drive means of the present invention, characterized in that for rotating the washing tank and the washing blade in a high speed.

Hereinafter, a preferred embodiment of a washing method and apparatus for a washing machine according to the present invention as described above.

First, the configuration of a general vortex washing machine will be briefly described with reference to FIG. 1.

As shown, the outer case 1 constitutes the exterior of the washing machine, and the reservoir 3 is installed inside the outer case 1. The reservoir 3 is filled with washing water for washing. The washing tank 5 is rotatably installed inside the water tank 3. A plurality of through holes 5h are formed in the washing tank 5 to allow the washing water filled in the water storage tank 3 to flow freely into the washing tank 5. Embossing 5e is also formed on the inner wall of the washing tub 5 to obtain a lightening effect.

The washing wing 6 is installed on the bottom surface of the washing tub 5, and serves to stir the washing cloth and the washing water together. In the center of the washing blade (6) is provided with a collecting device (7) for collecting seams or lint to be mixed in the wash water in the washing tank (5).

On the other hand, a cover 9 is installed at the upper end of the outer case 1 to selectively communicate the inside of the washing tank 5 with the outside. And the upper end of the outer case 1 is provided with an operation unit 11 is provided with a variety of buttons for the operation of the washing machine. Reference numeral 13 is a drain pipe for discharging the wash water after washing to the outside.

Next, a detailed configuration of the operation unit 11 will be described with reference to FIG. As shown in FIG. 2, the operation unit 11 is provided with a power button 20. The power button 20 receives a signal for applying power to drive the washing machine. When the power button 20 is pressed once, power is applied to the washing machine, and when pressed again, the washing machine is turned off.

One side of the power button 20 is provided with an operation button (22). The operation button 22 serves to start or pause the washing operation, and press once to start the washing operation and press again to stop the washing operation.

One side of the operation button 22 is provided with a coarse button (24). By selecting the washing course according to the characteristics of the washing cloth of the course button 24, the washing course selected by the course button 24 is displayed on the course display unit 25. In this case, when the course button 24 is pressed, respective courses in the course display unit 25 are sequentially selected.

On the other hand, the operation unit 11 is provided with a reservation button (26). The reservation button 26 is to set the start time so that it can be started at a desired time without proceeding to wash immediately. A time display unit 28 is provided adjacent to the reservation button 26.

One side of the reservation button 26 is provided with a washing time button 30, a rinsing time button 32, and a dehydration time button 34 for setting the time of the washing stroke, the rinsing stroke and the dehydrating stroke during the washing operation. Pressing the buttons 30, 32, and 34 respectively selects the time of each stroke. Next to the buttons 30, 32, 34, a stroke time display portion 31 for displaying the respective stroke times is provided.

And the water button 40, the water level button 42, the cold and hot water button 44 and the quiet button 46 for setting the washing conditions in the washing administration is provided. The water button 40 is to set the strength of the water formed in the inside of the washing tank 5 to adjust the rotational speed or the direction change intervals of the washing tank 5 or the washing blade (6). The water level button 42 is for setting the water level of the washing water to be filled in the reservoir 3 during washing or rinsing, and the cold and hot water button 44 is for setting the temperature of the washing water. Finally, the quiet button 46 is to set the degree of noise during washing, rinsing and dehydration administration. Next to the water button 40 and the water level button 42 is provided with a wash water display unit 41 to display the strength and water level of the water.

On the other hand, the operation unit 11 is provided with a detergent button (50). The detergent button 50 is to set the amount of detergent to be used in the washing stroke, each time the detergent amount of the detergent amount display unit 41 is pressed in turn to be selected. For example, if 0% is selected as the detergent amount, washing is performed without using detergent, and if 25% is selected, washing process is performed using 25% of the recommended detergent amount. In the present invention, since washing is performed using alkaline water, the washing process proceeds with a detergent amount less than a detergent-free or recommended detergent amount.

Next, a control configuration for washing the washing machine of the present embodiment will be described with reference to FIG. 3.

The control part 60 is provided in the inside of the said operation part 11, the inside lower side of the outer case 1, etc., and controls the various operation | movement of a washing machine. In particular, when the detergent-free washing or the low washing is selected according to the selection value of the detergent button 50 input from the operation unit 11, the controller 60 increases the pH amount before the preset basic washing stroke. The control for converting to an alkaline number is performed.

As shown in FIG. 4, the process of manufacturing tap water into alkaline water can set pH change amount according to washing water circulation with time, and can judge based on the said value. And the alkali water production process proceeds until the desired pH amount (about 7).

The pH change amount according to the wash water circulation shown in FIG. 4 is stored in the data storage 62. Therefore, the control unit 60 reads the value stored in the data storage unit 62 and controls alkali water production based on the value.

In the present invention, the control unit 60 controls the washing water to be produced in alkaline water by increasing the amount of dissolved oxygen through the contact with air to prepare the alkaline water and discharging CO2. Therefore, the production of alkaline water must be accompanied by a process of controlling the wash water to be in contact with the air.

In the embodiment shown in FIG. 3, the control unit 60 rotates the washing tank 5 and the washing blade 6 at high speed integrally for producing alkaline water, thereby raising the washing water between the storage tank 3 and the washing tank 5. As the elevated water is re-injected into the washing tank 5, it is possible to promote contact between the air and the washing water. To this end, the control unit 60 drives the motor driving unit 80 to control the high speed rotation of the washing tank 5 and the washing blade (6).

Next, in the above description, it is explained that the control unit 60 can control the washing water based on the time value shown in FIG. However, it is also possible to provide a pH sensor 85 between the washing tank 5 and the water storage tank 3, and control the production of alkaline water in the controller 60 according to the amount of pH detected by the pH sensor 85.

In addition to such control, the controller 60 controls all operations required for the washing administration. The operation controlled by the controller 60 is based on the data stored in the data storage 62. Therefore, in the case where no washing or low washing is selected, the controller 60 first proceeds with the above-described process for producing alkaline water, and then controls the general washing operation.

The display unit 70 includes, for example, a course display unit 25, a wash water display unit 41, and a detergent amount display unit 51. The display unit 70 not only displays a value selected by the user, but is also separately displayed by the user. You can choose to display choices.

Hereinafter, the operation of the washing method of the washing machine according to the present invention as described above will be described.

First, when the power button 20 is turned on, default values are displayed on the display unit 70: 25, 28, 31, 41, and 51. For example, the course is standard, the detergent is 100%, the water current and the water level are the median. At this time, when changing the displayed default value, the user arbitrarily selects various buttons of the operation unit 11 so that the desired washing course is selected.

During the selection of the washing course as described above, after the user selects the amount of detergent available by using the detergent button 50, pressing the washing time button 30, the rinsing time button 32, the dehydration time button 34, respectively Select the stroke time or press the water button 40, the water level button 42, the hot and cold water button 44 and the quiet adjustment button 46 to select the desired washing conditions.

After making the selection related to the washing element as described above, pressing the operation button 22 to perform the washing stroke, rinsing, rinsing, dehydration stroke as a whole and a combination thereof.

Meanwhile, the control unit 60 recognizes the washing course selected through the operation unit 11. And when the user selects a non-washing detergent or a low detergent, first of all, the process of manufacturing the wash water with alkaline water.

That is, the signal is applied to the motor driving unit 80 to rotate the washing tank 5 and the washing blade 6 at high speed. At this time, when the washing tank 5 and the washing blade 6 is rotated at a high speed, the washing water is raised between the water storage tank 3 and the washing tank 5, and the raised water is re-injected into the washing tank 5.

At this time, when the provided washing machine is shown in FIG. 5A, when the washing tub 5a and the washing vane 6a are integrated, the power of the motor 80a is connected to the washing tub 5a through the motor shaft 83a. The washing blade 6a is supplied together. Therefore, as the washing water rises between the water storage tank 3a and the washing tank 5a, the raised water is re-injected into the washing tank 5a.

In addition, as shown in FIG. 5B, the washing machine provided also allows the washing tank 5a and the washing blade 6a to rotate at the same time at a high speed even when the washing tank 5a and the washing blade 6a are separated. Control is possible.

As this process proceeds, the wash water releases carbon dioxide in contact with the air. The discharged carbon dioxide is completely discharged out of the washing machine by the rotational force of the washing tank (5) and the washing blade (6). And wash water discharged with carbon dioxide is changed to alkaline water according to Henry's law.

Therefore, the controller 60 proceeds the alkaline water production process as described above through the pH sensor 85 until the pH amount reaches 7 or the alkaline water production process for the predetermined time shown in FIG. 4.

Then, when the wash water is changed to the alkaline water in the desired state, the control unit 60 completes the alkaline water manufacturing process, and subsequently proceeds to the washing process, rinsing process, and dehydration process according to the washing course selected by the user.

That is, the present invention is to wash and wash the wash water with alkaline water in the case of non-washing or low-washing, in particular to control the washing water to contact with the air before the washing administration proceeds, Alkaline water is produced by increasing the amount of dissolved oxygen included and releasing carbon dioxide. Therefore, the present invention does not require a separate device for producing alkaline water.

Next, as another embodiment for producing the alkaline water of the present invention, it is possible to facilitate the contact between the wash water and the air, while rotating the washing wing to rotate the wash water to the pumping flow path. That is, in the embodiment shown in FIG. 5C, a pumping flow path 4c is formed between the washing tank 5c and the water storage tank 3a. Accordingly, when the washing blade 6c is rotated at a high speed, the washing water is injected into the washing tank 5c again through the pumping passage 4c.

In another embodiment, it is possible to increase the dissolved oxygen amount of the wash water by driving the wash water recirculation pump. That is, in the embodiment shown in FIG. 5D, the washing water discharged from the washing tank 5d through the drain pipe 13d is re-injected into the washing tank 5d through the oil passage 93 by the recirculation pump 90d. It is becoming. At this time, by rotating the washing blade 6d at high speed, the washing water can be sprayed back into the washing tank 5d through the pumping passage 4d.

In this way, in order to increase the dissolved oxygen amount of the wash water, the control unit 60 may control the motor driving unit 80 for rotating the bath tub 5 and the washing vane 6 at a high speed, or the recirculation pump is driven. Can control the motor 90d. In addition, only the washing blade may be controlled to be rotated left and right. In any case, the control unit 60 drives a device capable of generating power, such as the motor driving unit 80, to achieve contact between the wash water and the air.

As described above, the present invention controls the detergent-free washing or low detergent washing in order to reduce the environmental pollution caused by the detergent itself and the misuse of the detergent. Particularly, in the present invention, the washing water is converted into alkaline water for washing, and in the alkali water conversion process, the washing water is converted into alkaline water only by the mechanical force of the device provided in the washing machine without using a separate alkaline water conversion device. Therefore, the present invention eliminates the hassle and wastage caused by using a separate alkaline water conversion device, and obtains an advantage of reducing environmental pollution.

Claims (13)

A selection step of selecting a washing course; When the detergent-free washing and low detergent washing is selected in the selection step, an alkaline water production step of controlling the washing water to be changed to alkaline water by raising the washing water to make contact between the air and the washing water; Washing method of the washing machine comprising a washing step of performing the washing using the alkaline water changed in the step. The method of claim 1, The alkaline water manufacturing step, washing the washing blade and the washing tank at a high speed to raise the washing tank between the reservoir and the washing tank, washing method of the washing machine, characterized in that the rising water is re-injected into the washing tank. The method of claim 1, The alkaline water production step, the washing method of the washing machine characterized in that to rotate the washing blades left and right to circulate the washing water in the pumping flow path, thereby increasing the dissolved oxygen of the washing water. The method of claim 1, The alkaline water production step, the washing method of the washing machine, characterized in that to increase the dissolved oxygen of the wash water by driving the wash water recirculation pump. The method according to any one of claims 1 to 4, The alkaline water manufacturing step, washing method of the washing machine, characterized in that performed until the pH amount of the washing water detected by the pH sensor is a predetermined value or more. The method according to any one of claims 1 to 4, The alkaline water production step, the washing method of the washing machine, characterized in that the pH change in accordance with the wash water circulation set to a time value, the pH of the wash water is performed for a time to reach a certain value. Selecting means for selecting a washing course; Driving means for raising the wash water such that contact with the air is made to convert the wash water into alkaline water; And a control means for driving the driving means until the wash water is converted into alkaline water when the non-washing and the low washing are selected in the selection means. The method of claim 7, wherein The control means, the washing machine of the washing machine, characterized in that for controlling the drive means for a predetermined time in accordance with the amount of change of pH different in the wash water circulation. The method of claim 7, wherein Further comprising a pH sensor for detecting the pH of the wash water, The control means, the washing machine of the washing machine, characterized in that for controlling the driving means driven for the alkali number conversion based on the detection value of the pH sensor. The method according to any one of claims 7 to 9, The driving means, the washing machine of the washing machine, characterized in that for rotating the washing tank and the washing wings in one piece. The method according to any one of claims 7 to 9, The driving means, the washing machine of the washing machine, characterized in that to rotate the washing blades left and right to circulate the washing water to the pumping flow path. The method according to any one of claims 7 to 9, The drive means, the washing machine of the washing machine, characterized in that for controlling the circulation of the washing water by driving the washing water recirculation pump. The method according to any one of claims 7 to 9, The driving means is a washing machine of the washing machine, characterized in that for rotating the washing tank and the washing blade in a high speed.