KR100712281B1 - Laundry process of steam type drum washing machine - Google Patents

Abstract

The present invention relates to a washing method of a steam drum washing machine, and more particularly, a water supply unit including a main pipe for supplying water to a detergent box is installed outside the tub, and a heating heater for heating water is provided below the tub. Is mounted, the one end is connected to the main pipe line and the other end is downwardly connected to the water supply member connected to the upper side of the tub, the water supply valve for opening and closing the pipeline of the water supply member, and the water supply valve is opened for the core washing of the initial laundry In the washing method of the steam drum washing machine including a water supply control unit for controlling the water supply valve to be opened at a set interval after the generation of steam, the water supply step of supplying a predetermined amount of water in the tub through the water supply unit; After the step of operating the heating heater in the tub to vaporize the water in the tub with steam and And a spraying step of supplying water to the laundry inside the tub at an interval set to operate the water supply valve through the water supply control unit after the steam generation step and the steam generating step. .

Drum washing machine, steam type, water supply member, water supply valve, water supply control unit

Description

Launderry process of steam type drum washing machine

1 is a perspective view showing a main portion of a conventional drum washing machine.

2 is a side view of FIG. 1;

Figure 3 is a side view showing the main configuration of the steam drum washing machine according to an embodiment of the present invention.

Figure 4 is a flow chart illustrating a washing method of the steam drum washing machine according to an embodiment of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: cabinet 3: spring

5: damper 7: tub

9: drum 11: lift

13: drive motor 15: stator

17: rotor 19: main pipe

21: water supply connector 23: detergent box

25: drain pipe 27: filter

29: drain pump 31: Brow

33: drying duct 35: connection

36: electric heater 37: condensation duct

38: door 39: water supply pipe

40: heating heater 42: mounting portion

50: water supply member 52: water supply line

54: water supply nozzle 56: inlet pipe

58 outlet pipe 60 feed water pump

70: water supply valve

The present invention relates to a washing method of a steam drum washing machine, and more particularly, a water supply member for supplying water into the tub, a water supply valve, and a water supply control unit are installed to supply water to the tub and the drum according to a control signal. The present invention relates to a washing method of a steam drum washing machine that is made to be steamed and generates steam by using a heating heater inside a tub used for hot water supply, thereby increasing the washing performance by increasing the speed of washing the laundry.

As shown in Fig. 1 and Fig. 2, a general drum washing machine is installed so as to be suspended by a spring (3) inside the cabinet (1) to form an appearance and inside the cabinet (1) and supported by a damper (5). The tub 7 is installed as much as possible.

The drum (9) is rotatably installed inside the tub (7) to become a space in which washing water and laundry are contained, and the lift (11) is installed to protrude at an interval on the inner wall of the drum (9). As the drum 9 is rotated, the laundry is lifted and then dropped to improve the washing force.

The drum 9 has a plurality of dehydration holes are formed on the inner wall surface to allow the washing water to flow freely to the drum 9 and the tub 7 side, and to allow the washing water to escape from the laundry by centrifugal force during dehydration.

A driving motor 13 is installed at the rear of the tub 6 to connect the drum 9 to rotate the drum 9.

The drive motor 13 is composed of a stator 15 made of an electromagnet and a rotor 17 made of a permanent magnet.

The tub 7 of the drum washing machine is connected to the detergent box 23 by a water supply connector 21 at a main pipe 19 for supplying washing water, and the water passing through the detergent box 23 is It is fed into the tub (7).

In addition, a drain pipe 25 is connected to the filter 27 at the lower side of the tub 7, and a drain pump 29 is installed at the volleyball pipe 25 passing through the filter 27.

In addition, a blower 31 for blowing air in one direction is installed above the tub 7, and a heat transfer heater is installed inside the drying duct 33 to which the air generated by the blower 31 is moved. 36) is installed.

The drying duct 33 has one end connected to the entrance where the tub 7 and the door 38 meet to form a connection part 35.

And, both ends are connected to the lower end of the tub 7 and the blower 31, respectively, and a condensation duct 37 is installed.

A water supply pipe 39 is connected inside the condensation duct 37 to supply a small amount of water set inside the condensation duct 37.

In addition, a mounting portion 42 for installing the heating heater 40 protrudes downward from the bottom surface of the tub 7.

Looking at the operation of the prior art configured as described above are as follows.

First, when a washing stroke is performed in a state in which laundry is contained in the drum 9, a water supply valve connected to the main pipe line 19 is opened to wash the water into the tub 7 and the drum 9.

The washing water is passed through the main pipe 19 and the water supply connector 21 to the detergent box 23 is supplied to the tub (7) with the detergent, into the tub (7) Appropriate amount of washing water is supplied according to the quantity of laundry.

The wash water supplied into the tub 7 is heated by the heating heater 40 to speed up the lapping of the laundry and improve washing performance.

Then, as the drive motor 13 is operated to rotate the drum 9, the lift 11 raises the laundry to a certain height, and then falls to wash the laundry.

When the washing stroke is completed as described above, the drain pump connected to the drain pipe 25 is opened to drain the wash water, and then the motor 13 is operated at high speed to rotate the drum 9 at high speed. Intermittent dehydration proceeds by allowing the wash water to escape from the laundry by centrifugal force, and the water supply valve is opened again to supply the wash water and at the same time the drum 9 is rotated to rinse.

As such, after the rinsing and the intermittent dehydration are repeatedly operated, the dehydration process is performed. In order to dry the laundry, the blower 31 is rotated to connect the air heated by the heat transfer heater 36 to the connection part ( Through the 35 and to the tub 7 and the drum (9) it is transferred.

The humid air inside the tub 7 is moved upward along the condensation duct 37 to remove moisture in the air by the condensed water supplied from the water supply pipe 39.

However, in the conventional drum washing machine, after washing the laundry into the drum, the washing water is heated by the heating heater while the washing water of the low temperature is introduced into the tub and the drum, but before the heating heater is operated, the washing water is As a low temperature, the phenomenon of dropping the lamination speed of the laundry significantly occurs, thereby causing a problem in that the washing speed and the washing performance are lowered.

In order to solve the above problems, a steam drum washing machine has been proposed, but for this purpose, a separate heater and devices must be installed separately, which causes a problem of significantly increasing production costs.

And, when trying to generate steam by using a hot water heating heater installed inside the tub, the problem that the laundry is damaged by the high temperature caused by the steam generated by the heating heater, and only the steam, the speed of the packing of the laundry relatively The problem is that it is slow.

SUMMARY OF THE INVENTION An object of the present invention for solving the above-mentioned conventional problems is to provide a washing method of a steam drum washing machine in which washing speed and washing performance are improved by improving the washing speed of laundry in the initial stage of washing.

The present invention for achieving the above object, the water supply unit including a main pipe for supplying water to the detergent box is installed on the outside of the tub, the lower side of the tub is equipped with a heating heater for heating water; One end is connected to the main pipe and the other end is downward and the water supply member connected to the upper tub; A water supply valve for opening and closing a pipe of the water supply member; The water supply valve may include a water supply control unit for controlling the water supply valve so as to be opened for the filling of the initial laundry, or at a predetermined interval after steam generation.

Preferably, the water supply member; A water supply pipe connected to the water supply and serving as a flow path through which water flows; It is composed of a water supply nozzle having a narrow outlet is mounted on one end connected to the tub in the water supply line.

Then, the inlet pipe of the water supply nozzle is installed toward the upper side, the outlet pipe is installed toward the lower side.

The water supply pipe is provided with a water supply pump controlled by the water supply control unit.

The washing method of the steam drum washing machine having the above configuration;

A water supply step of supplying water set in the tub through the water supply unit; A steam generating step of operating the heating heater in the tub after the water supply step to vaporize the water in the tub with steam; And a spraying step of supplying water to the laundry inside the tub at an interval set to operate the water supply valve through the water supply control unit after the steam generation step.

Preferably, the water supply valve is operated through the water supply control unit before the water supply step, so that a water core step of supplying water to the laundry inside the tub through the water supply member is included.

And, the predetermined amount of water supplied to the tub in the water supply step is characterized in that 45% of the standard washing water.

According to the present invention as described above, by installing the heating heater for hot water to be installed under the tub to generate steam and to spray the water to the laundry through the water supply member to improve the speed of the washing of the laundry It provides laundry performance.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings, and like reference numerals will be used to designate like elements.

Figure 3 is a side view showing the main configuration of the steam drum washing machine according to an embodiment of the present invention, Figure 4 is a flow chart illustrating a washing method of the steam drum washing machine according to an embodiment of the present invention.

A cabinet 1 forming an external appearance of a drum washing machine and a tub 7 are installed to be suspended by a spring 3 inside the cabinet 1 and supported by a damper 5.

The drum (9) is rotatably installed inside the tub (7) to become a space in which washing water and laundry are contained, and the lift (11) is installed to protrude at an interval on the inner wall of the drum (9). As the drum 9 is rotated, the laundry is lifted and then dropped to improve the washing force.

The drum 9 has a plurality of dehydration holes are formed on the inner wall surface to allow the washing water to flow freely to the drum 9 and the tub 7 side, and to allow the washing water to escape from the laundry by centrifugal force during dehydration.

A driving motor 13 is installed at the rear of the tub 6 to connect the drum 9 to rotate the drum 9.

The drive motor 13 is composed of a stator 15 made of an electromagnet and a rotor 17 made of a permanent magnet.

The tub 7 of the drum washing machine is connected to the detergent box 23 by a water supply connector 21 at a main pipe 19 for supplying washing water, and the water passing through the detergent box 23 is It is fed into the tub (7).

In addition, a drain pipe 25 is connected to the filter 27 under the tub 7, and a drain pump 29 is installed in the drain pipe 25 passing through the filter 27.

And, a blower 31 for blowing air in one direction is installed on the upper side of the tub (7), the heat transfer heater (36) inside the drying duct (33) to move the air generated by the blower (31) ) Is installed.

The drying duct 33 has one end connected to the entrance where the tub 7 and the door 38 meet to form a connection part 35.

And, both ends are connected to the lower end of the tub 7 and the blower 31, respectively, and a condensation duct 37 is installed.

A water supply pipe 39 is connected inside the condensation duct 37 to supply a small amount of water set inside the condensation duct 37.

In addition, a mounting portion 42 for installing the heating heater 40 protrudes downward from the bottom surface of the tub 7.

The water supply unit including the main pipe is installed outside the tub (7), the water supply member 50 according to the embodiment of the present invention is installed in the water supply unit to supply water to the tub (7).

In detail, one end of the water supply pipe line 52 constituting the water supply member 50 is connected to the main pipe line 19 constituting the water supply supply unit, and the other end of the water supply pipe 52 is a tub (7). The water supply nozzle 54 is installed extending upward.

A water supply valve 70 is installed at the stop of the water supply pipe 52 of the water supply member 50 to control the flow of water flowing along the water supply pipe 52.

In addition, a water supply control unit configured of a CPI or PC B substrate, which is programmed to control an operation of the water supply valve 70, may be separately configured to operate the water supply valve 70 by a control signal.

The water supply nozzle 54 is the inlet pipe 56 is connected to the water supply pipe 52 is installed toward the upper side, the outlet pipe 58 is installed to the lower side, by the natural fall of the water supply pipe 52 Allow water to be fed into the tub (7).

In addition, the water supply nozzle 54 has a nozzle shape as it has a narrow outlet toward the outlet pipe 58.

On the other hand, a water supply pump 60 is installed in the water supply line 52 is controlled by the water supply control unit to be forced to drain the water of the water supply line 52 will be another embodiment of the present invention.

In the drum washing machine having the above configuration, the operation state by the same components as in the prior art will be referred to the related art. Hereinafter, the operation state and washing method of the steam drum washing machine according to the embodiment of the present invention will be described.

First, after the laundry is put into the drum 9 in the tub 7, the water supply valve 70 is operated through the water supply control unit. Thus, the water in the room temperature of the laundry inside the tub 7 is supplied through the water supply member 50. It will have a sieve step (S10) for supplying.

When the water core step S10 is described in detail, when the water supply valve 70 is opened by a signal of the water supply control unit, the water supplied through the main pipe line 19 is supplied to the water supply pipe line of the water supply member 50 ( 52).

The water flowing along the water supply line 52 is dropped through the water supply nozzle 54 into the tub 7 and the drum 9, and preferably is dropped into the laundry inside the drum 9 to be washed with the laundry. Let the weeping be done.

The inlet pipe 56 of the water supply nozzle 54 is installed upward and the outlet pipe 58 is installed downward so that the water supplied from the water supply nozzle 54 is naturally discharged through the outlet pipe 58. The drop is made, and the angle formed by the outlet tube 58 and the inlet tube 56 is an obtuse angle.

When the strength of the water supplied to the water supply member 50 is adjusted to the strength or weakness, or when the flow is smooth, the water supply pump 60 is installed in the middle of the water supply line 52 to operate by the signal of the water supply control unit. do.

After the core step (S10) has a water supply step (S20) for supplying the amount of water set in the tub (7) through the water supply unit, such as the main pipe (19).

In the water supply step (S20), the set amount of water supplied to the tub 7 is about 45% of the standard washing water amount, for example, when the standard washing water amount is about 6 liters, the washing water of about 2.67 liters It is supplied to the inside of the tub (7).

The supply of less water than the standard washing water inside the tub 7 is to generate steam by heating the water by the heating heater 40.

After the water supply step (S20) to operate the heating heater 40 in the tub 7 to vaporize the water in the tub (7) while steaming the laundry contained in the drum (9), steam As the drive motor 13 is operated along with the generation, the drum 9 connected thereto also rotates to have a steam generating step S30 to perform a washing function.

After the steam generating step (S30) to the water supply valve 70 to operate the water supply valve 70 through the water supply nozzle 54 for a predetermined time at an interval set to the injection step of supplying the water at room temperature to the laundry (S40) )

By the spraying step (S40), relatively low temperature water and high temperature steam meet in the drum 9, and water vapor in the steam condenses and becomes entangled with water droplets in the laundry in the drum 9, Wetting is done smoothly.

In addition, when the foam core is formed by the steam, the phenomenon of deformation due to the high temperature steam of laundry such as nylon can be prevented by spraying water at a relatively low temperature state through the water supply exhaust.

The embodiments of the present invention as described above are not intended to limit the scope of the present invention, but are presented by way of example, and various embodiments may be applied within the spirit of the present invention.

As described above, according to the washing method of the steam drum washing machine according to the present invention, the water is injected into the laundry at the initial stage of washing, so that the bulking is performed, and the steam is generated to coat the laundry, intermittently. As water is injected through the water supply member, the steam is condensed to make the laundry core of the laundry. Thus, the speed of the laundry core of the laundry is improved, thereby providing an effect of improving the washing speed and the washing performance.

In addition, since steam is generated by using a heating heater that is conventionally used without installing a separate device for steam generation, and water is supplied only by the minimum device such as a water supply member and a water supply valve, the number of parts is reduced, thereby reducing production costs. It will provide savings.

Claims (7)

delete delete delete delete A water supply unit including a main pipe for supplying water to a detergent box is installed outside the tub, and a heating heater for heating water is mounted on the lower side of the tub, one end of which is connected to the main pipe and the other end of the tub downwards. A water supply member connected to the water supply member, a water supply valve configured to open and close a pipeline of the water supply member, and a water supply control unit configured to control the water supply valve so that the water supply valve is opened for the packing of the initial laundry or at a set interval after steam generation. In the washing method of the steam drum washing machine, A water supply step of supplying water set in the tub through the water supply unit; A steam generating step of operating the heating heater in the tub after the water supply step to vaporize the water in the tub with steam; And a spraying step of supplying water to the laundry inside the tub at intervals set to operate the water supply valve through the water supply control unit after the steam generation step. The method of claim 5; Washing method of the steam drum washing machine comprising a water core step of supplying water to the laundry inside the tub through the water supply member by operating the water supply valve through the water supply control unit before the water supply step. The method of claim 5; The washing method of the steam drum washing machine, characterized in that the set amount of water supplied to the tub in the water supply step is 45% of the standard washing water.

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