KR101144809B1 - Washing machine and control method of the washing machine - Google Patents

Abstract

The present invention, the outer tank containing the wash water, the inner tank rotatably disposed in the outer tank, the circulation pipe forming a circulating flow path so that the washing water discharged from the outer tank is supplied to the inner tank, the washing flows along the circulation pipe The present invention relates to a laundry treatment apparatus including a heating unit for heating water and a spraying unit for spraying the washing water flowing along the circulation pipe into the inner tank, wherein the washing water can be heated to reduce washing energy and increase washing efficiency. There is an advantage to that.

In addition, the present invention is a step (a) in which the wash water is discharged from the outer tank, (b) the washing water extracted from the outer tank is heated, and (c) the washing water heated in the step (b) is re-supplied into the outer tank It relates to a laundry treatment machine control method comprising a.

Description

Washing machine and control method of the washing machine}

The present invention relates to a laundry treatment device and a method for controlling a laundry treatment device. More particularly, the present invention relates to a laundry treatment device and a method for controlling the laundry treatment device. The present invention relates to a laundry treatment device and a laundry treatment device control method capable of performing power reduction.

In general, laundry treatment equipment uses chemical reaction between water and detergent and physical action such as friction between water and laundry to separate contaminants on clothes, bedding, etc. (hereinafter referred to as 'laundry'). Various kinds of laundry treatments, such as a washing machine, a drying device for dehydrating and drying wet laundry, a spray of heated steam to prevent allergies due to laundry, and a refresher for washing laundry simply by applying physical and chemical effects to the laundry Collectively, the device.

On the other hand, a laundry machine, which is a kind of laundry treatment machine, is classified into an agitator type, a drum type and a pulsator type according to its structure and washing method. Such a washing apparatus washes laundry while sequentially performing washing, rinsing, and dehydrating strokes, and it is possible to perform only a predetermined stroke among the above-described strokes according to the user's choice, Washing is done by the washing method.

However, in the conventional washing apparatus, since a heater for heating the washing water is provided at the bottom of the outer tub, in order to increase the temperature of the washing water, all washing water in the outer tub has to be heated, which causes excessive power consumption. Due to the user to avoid washing the boil and to use the usual washing course that does not use the heating water, there was a problem that the performance of the product is not fully exhibited.

The present invention, by circulating the washing water to the outside of the outer tub and heated and re-supplied, by heating a small amount of washing water in a short time to reduce the power consumption, and laundry treatment equipment and laundry treatment equipment to enable sanitary washing It is an object to provide a control method.

The laundry treatment machine of the present invention includes an outer tub containing wash water, an inner tub rotatably disposed in the outer tub, a circulation pipe forming a circulation passage so that the washing water discharged from the outer tub is re-supplied to the inner tub, and the circulation And a heating unit for heating the washing water flowing along the pipe, and an injection unit for spraying the washing water flowing along the circulation pipe into the inner tank.

Here, the laundry treatment device may further include a circulation pump for pumping the washing water flowing along the circulation pipe, and may further include a filter unit for filtering the washing water flowing along the circulation pipe.

In addition, the laundry treatment machine may further include a mixing unit in which detergent and washing water are mixed, and one end of the circulation pipe may be in communication with the mixing unit. Here, one end of the spray unit may be in communication with the mixing unit to spray the detergent and wash water mixed in the mixing unit.

In addition, the injection unit may spray washing water toward the side wall of the inner tank.

In the laundry treatment machine control method of the present invention, the washing water is discharged from the outer tank (a), the washing water from the outer tank is heated (b), and the washing water heated in the (b) step into the outer tank And step (c) of refeeding.

Here, step (c) may include the step of washing the heated washing water in step (b) is re-supplied to the outer tank. In addition, the laundry treatment machine control method of the present invention may further comprise the step (d) in which the wash water supplied from the external water source is additionally supplied into the outer tank.

The laundry treatment machine and the laundry treatment machine control method of the present invention have the effect of rapidly raising the temperature of the washing water to be sprayed to a high temperature by heating and spraying while circulating the washing water discharged from the outer tank.

In addition, the laundry treatment machine and the laundry treatment machine control method of the present invention has the effect of reducing the power consumed to raise the temperature of the sprayed washing water to a high temperature.

In addition, the laundry treatment machine and the laundry treatment device control method of the present invention, by spraying the heated laundry directly to the laundry, it is possible to effectively wet the laundry, there is an effect that can reduce the amount of washing water required to wet the laundry. .

In addition, the laundry treatment machine and the laundry treatment machine control method of the present invention has the effect of enabling hygienic washing and improving the washing performance by spraying hot washing water onto the laundry.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

1 is a perspective view of a laundry treatment machine 100 according to an embodiment of the present invention. 2 is a side cross-sectional view of the laundry treatment machine 100 shown in FIG. 3 is a schematic view showing the configuration of the main portion to explain the process of the washing water is discharged from the outer tank 22 of the laundry processing apparatus 100 is heated. 4 is a schematic diagram showing the configuration of the main part to explain the washing process after the heating of the washing water circulated from the outer tank 22 of the laundry treatment apparatus 100 is stopped.

1 and 2, the laundry treatment machine 100 according to an embodiment of the present invention includes a main body 11 forming an exterior and a pore entry hole to form a top of the main body 11 so that the bag can enter and exit the main body 11. The formed top cover 12, the outer tank 22 to be washed in the main body 11 by the support member 23, and the inner tank 21 rotatably disposed in the outer tank 22, the inner tank 21 to accommodate the laundry ), The door 15 for entering the laundry contained in the inner tank 21, the damper 25 for buffering the shaking of the outer tank 22 due to the vibration generated when the inner tank 21 is rotated, and the laundry A control unit 13 for controlling the overall operation of the processing device 100, a detergent box 14 mounted on the main body 11 so that the detergent is accommodated, and a water supply hose connected to an external water source to supply washing water (17), and a water supply valve (18) for controlling the wash water introduced through the water supply hose (17). When the water supply valve 18 is opened and the wash water is supplied from an external water source, the supplied wash water flows into the detergent box 14 through the water hole 44h formed in the detergent box housing 44, and then into the inner tank 21. Watering. In addition, a drain pipe 54 for draining the wash water in the outer tub 22 to the outside, and a drain control valve 53 provided on the drain pipe 54 may be further provided.

On the other hand, the bottom of the inner tank 21 may be provided with a pulsator 16 for forming a rotary water flow, the lower side of the outer tank 21 is provided with a motor 52 and the clutch 54, the inner tank 21 And / or selectively rotate the pulsator 16. On the other hand, in this embodiment, the rotation shaft of the motor 52 is shown in an indirect drive system that transmits power using a belt or the like without directly rotating the inner tank 21 and / or the pulsator 16, but of the present invention The scope is not limited thereto, and the scope of the present invention may be applied to a direct driving method of directly driving the inner tank 21 and / or the pulsator 16 by the motor 52.

Meanwhile, although not shown in FIG. 2, a circulation passage may be formed between the outer tub 22 and the main body 11 to circulate the washing water discharged from the outer tub 22, and a circulation pipe provided to form the circulation passage. Will be described later with reference to FIGS. 3 and 4.

3 to 4, the laundry treatment apparatus 100 includes a circulation pipe 62 through which the wash water discharged from the outer tank 22 circulates, and a heating unit for heating the wash water flowing along the circulation pipe 62. 70 and spraying the washing water circulating along the circulation pipe 62 (hereinafter, 'washing water circulating along the circulation pipe 62' is referred to as 'circulating water') into the inner tank 21. And a deadlock 34. In this case, a circulation pump 76 may be further provided for smooth circulation of the circulation water, and a filter unit 36 may be further provided to filter out foreign substances such as lint contained in the circulation water.

The heating unit 70 may be provided on the circulation pipe 62 to heat the circulating water, and may be provided in the heating unit housing 71 and the heating unit housing 71 that form a predetermined space to contain the circulating water. May include a heater 72. The heater 72 may be variously implemented as a sheath heater.

The injection unit 34 is a means for injecting the circulating water into the inner tank 21, and includes a plurality of nozzle holes (not shown) having a relatively small size, and variously sprays the washing water into the inner tank 21 by showering. It may be implemented in the form. Since the injection part 34 sprays the washing water directly on the laundry (m) accommodated in the inner tank 21, the washing part 34 can effectively wet the laundry evenly, and fills the washing water to a predetermined level in the inner tank 21 so that the laundry is locked. Compared to the method of reducing the amount of wash water required to wet the laundry has the advantage. In particular, the injection part 34 may be set such that the spraying direction of the washing water is directed toward the side wall of the inner tank 21 so as to effectively wet the laundry adhering to the side wall of the inner tank 21, in this case, the injection unit It is preferable that the inner tank 21 rotate with the injection of the 34.

On the other hand, in the present embodiment, the injection part 34 is formed on the top cover 12, but is not limited thereto, and may be formed at various positions to spray the washing water into the inner tank 21.

Looking at the operation process of the laundry treatment machine 100 of the above configuration as follows.

When the door 15 is opened and laundry is introduced into the inner tank 21, and the operation of the laundry treatment device 100 is started, the water supply valve 17 is opened while washing water is introduced through the water supply hose 17. The introduced wash water is mixed with the detergent in the detergent box 14, and then is supplied by the detergent box housing 44 to be supplied into the inner tank 21. At this time, the washing water is collected in the outer tank 22 through a plurality of handmade (not shown) formed in the inner tank 21. When the wash water fills the outer tank 22 to a predetermined level, the water supply valve 18 is closed to stop the water supply from the outside. In this case, the predetermined water level does not mean a height that the laundry in the inner tank 21 is all locked, it can be circulated smoothly along the circulation pipe 62, is sprayed by the injection unit 34 is It is enough to soak the laundry evenly.

Thereafter, the circulating pump 76 is operated so that the wash water discharged from the outer tank 22 is circulated along the circulation pipe 62, and the heating unit 70 is operated to heat the circulating water. The heated circulating water is filtered through the filter unit 36 and then injected into the inner tank 21 by the injection unit 34.

Here, since the heating unit 70 heats the washing water flowing along the circulation pipe 62, the heating unit 70 heats a relatively small amount of the washing water, and thus, the temperature of the circulating water rapidly rises. For example, the temperature of wash water for sanitarily washing laundry in a boiled laundry course is set at 60 degrees Celsius or more. In the conventional laundry treatment apparatus, since a heater is provided at the bottom of the outer tub 22, in order to raise the temperature of the washing water to 60 degrees Celsius or more, the entire washing water in the outer tub 22 needs to be heated, which requires a long heating time and power consumption. There was a serious problem.

However, since the laundry treatment apparatus 100 according to the exemplary embodiment of the present invention heats the circulating water and sprays the heated circulating water directly to the laundry through the spraying unit 34, the laundry water in the outer tub 22 is washed. Without heating all, the temperature of the wash water directly in contact with the laundry can be raised rapidly to more than 60 degrees Celsius, it is possible to wash with a small amount of wash water, there is an advantage to reduce the power consumption.

The operation of the heating part 70 is stopped when a predetermined time elapses or when the washing water in the outer tub 22 is determined to be sufficiently heated. Subsequently, the washing water is additionally supplied into the inner tank 21 while the water supply valve 18 is opened again, and washing of the laundry using the rotating water flow generated by the rotation of the inner tank 21 and / or the pultor 16 is performed. Is done. Of course, as shown in FIG. 4. While the laundry is being washed, the operation of the circulation pump 76 may be continued to continuously circulate the circulation water through the circulation pipe 62.

In particular, the laundry may adhere to the side wall of the inner tank 21 due to the rotation of the inner tank 21 and / or the pulsator 16 during the washing process. As described above, the laundry adhering to the side wall of the inner tank 21 is dropped back to the bottom of the inner tank 21, thereby improving the washing power. At this time, the injection section 34 is preferably set to the injection direction to inject the circulating water toward the side wall of the inner tank.

Meanwhile, as described above, the wash water collected in the outer tub 22 is discharged, the discharged wash water is heated by the heating unit 70 while circulating along the circulation pipe 62, and the heated circulating water is injected into the injection unit 32. The process of spraying the laundry in the inner tank 21 may be applied not only to the washing stroke but also to the rinsing stroke, as well as intermittently while the inner tank 21 rotates at high speed during the washing and / rinsing stroke. Of course, it is also applicable to the process of rinsing laundry after intermittent dehydration.

FIG. 5 is a schematic diagram illustrating a configuration of a main part to explain a process in which washing water circulated from the outer tub 22 of the laundry treatment apparatus 200 according to another embodiment of the present invention is heated. FIG. 6 is a schematic view showing the configuration of main parts to explain the washing process after the heating of the washing water circulated from the outer tub 22 of the laundry treatment apparatus 200 is stopped.

Laundry treatment device 200 according to another embodiment of the present invention is sprayed circulating water circulated through the washing water and / or circulation pipe 62 supplied through the water supply hose 17 through one spraying unit 34 There is a difference from the above-described embodiment of the present invention in that water is supplied to the wash water.

5 to 6, the laundry treatment apparatus 200 may further include a mixing unit in which detergent and washing water are mixed. In this embodiment, the mixing unit is implemented as a detergent box 14. One end of the circulation pipe 62 communicates with the detergent box 14, and one end of the injection part 34 communicates with the detergent box 14.

The operation method of the laundry treatment device 200 according to another embodiment of the present invention will be described below with reference to the difference from the laundry treatment device 100 according to the embodiment of the present invention described above.

When the washing stroke is performed, while the water supply valve 18 is opened, the water supply of the washing water is started through the water supply hose 17, and the supplied washing water is mixed with the detergent in the detergent box 14, and then the injection unit ( It is sprayed into the inner tank 21 by 34, and the laundry in the inner tank 21 is wetted. Washing water introduced into the outer tank 22 through the hand formed in the inner tank 21 is circulated along the circulation pipe 62 by the operation of the circulation pump 76, the circulation water is heated by the heating unit 70 After heating, the filter is filtered by the filter 36, and then flows into the detergent box 14. The wash water introduced into the detergent box 14 is circulated by being injected into the inner tank 21 through the injection unit 34 again.

That is, the laundry treatment apparatus 200 according to another embodiment of the present invention constitutes a flow path such that the circulating water flowing along the circulation pipe 62 passes through the detergent box 14, where water is supplied through the detergent box 14. There is an advantage in that the circulation passage can be easily formed by using the configuration of a general laundry treatment device, the flow path can be configured by using the injection unit 34, which is a water supply means, there is an advantage to simplify the structure.

Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. That is, the scope of the present invention is indicated by the claims that are described later rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents are included in the scope of the present invention. Should be interpreted as

1 is a perspective view of a laundry treatment machine according to an embodiment of the present invention.

2 is a side cross-sectional view of the laundry treatment machine shown in FIG.

Figure 3 is a schematic diagram showing the configuration of the main portion to explain the process of the washing water circulated from the outer tank of the laundry treatment apparatus according to an embodiment of the present invention is heated.

Figure 4 is a schematic diagram showing the configuration of the main part to explain the washing process after the heating of the washing water is discharged from the outer tub of the laundry treatment apparatus according to an embodiment of the present invention is stopped.

Figure 5 is a schematic diagram showing the configuration of the main portion to explain the process in which the washing water is discharged from the outer tub of the laundry treatment apparatus according to another embodiment of the present invention is heated.

Figure 6 is a schematic diagram showing the configuration of the main part to explain the washing process after the heating of the washing water is discharged from the outer tank of the laundry treatment apparatus according to another embodiment of the present invention is stopped.

<Explanation of Signs of Major Parts of Drawings>

100, 200: laundry treatment machine 21: inner tank

22: outer shell 34: jet

36: filter 62: circulation piping

70: heating part 71: heating part housing

72: heater 76: circulation pump

Claims (11)

An outer tank, an inner tank rotatably disposed in the outer tank, a circulation pipe forming a circulation passage so that the washing water discharged from the outer tank is re-supplied to the inner tank, and a circulation pump for pumping the washing water along the circulation pipe; In the control method of the laundry treatment machine comprising a heating unit for heating the washing water flowing along the circulation pipe and the injection unit for spraying the washing water heated by the heating unit into the inner tank, Watering the wash water into the tub; When the water level in the outer tank reaches a predetermined level, the water supply is stopped, and the circulating pump is operated such that the washing water discharged from the outer tank flows along the circulation pipe to be sprayed through the injection unit, and the washing water is used for the circulation pipe. Operating the heating unit to be heated while being flowed along; And Stopping the operation of the heating unit, and further comprising the step of additionally supplying the wash water into the outer tub. An outer tank, an inner tank rotatably disposed in the outer tank, a circulation pipe forming a circulation passage so that the washing water discharged from the outer tank is re-supplied to the inner tank, and a circulation pump for pumping the washing water along the circulation pipe; In the control method of the laundry treatment machine comprising a heating unit for heating the washing water flowing along the circulation pipe and the injection unit for spraying the washing water heated by the heating unit into the inner tank, When the water level in the outer tank is below a predetermined level, the washing water discharged from the outer tank flows along the circulation pipe to operate the circulating pump to be sprayed through the injection unit, and the washing water is heated while flowing along the circulation pipe (A) operating the heating unit to be able to be; And The method of controlling the laundry treatment device further comprises the step of additionally supplying the wash water into the outer tank and stopping the operation of the heating unit to spray washing water having a relatively low temperature than the step (a) through the spray unit. . delete delete delete delete delete delete delete delete delete

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