KR100781244B1 - variable apparatus for drying laundry in the drum type washing machine - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum washing machine, and more particularly, to a drum type washing machine switching type drying apparatus for changing a laundry drying method by rotating a lever of a flow path switching means installed in a duct during a laundry drying operation.

To this end, the present invention is a tub (1) for receiving the clothes containing the water, the duct (11) which serves to guide the air in the tub discharged to the tub back into the tub and the air in the tub Blowing fan (4) for forced circulation along the duct and a flow path switching means (13) provided on the duct to allow the air in the tub to circulate along the duct or discharge outside the duct The drying method of the drum washing machine switch type drying apparatus.

Drum Washing Machine, Drying Equipment

Description

Variable apparatus for drying laundry in the drum type washing machine}

1 is a schematic view showing a condensation type drying apparatus of a conventional drum washing machine.

Figure 2 is a schematic diagram schematically showing an exhaust type drying apparatus of a conventional drum washing machine.

Figure 3 is a schematic diagram schematically showing a drying type switching type drying apparatus of the drum washing machine according to the present invention.

4 is a schematic view showing a flow direction of air flowing into the duct when the lever of the flow path switching means of FIG. 3 is rotated to open the air passage of the duct;

5 is a schematic view showing a flow direction of air introduced into the duct when the lever of the flow path switching means of FIG. 3 is rotated to close the air flow path of the duct;

Explanation of symbols on the main parts of the drawings

1: Tub 2: Drum

3: drying duct 4: blowing fan

5: drying heater 6: condensation duct

7: water supply means 8: exhaust duct

11 variable duct 12 exhaust port

13: lever

The present invention relates to a drum washing machine, and more particularly, to a drying method switch type drying apparatus of the drum washing machine to change the laundry drying method by rotating the lever of the flow path switching means installed in the duct during the laundry drying operation.

A general washing machine is a device for washing laundry by performing a washing stroke, a rinsing stroke, and a dehydrating stroke. The washing machine is divided into a pulsator type, a stirring type, a drum type, and the like according to the washing method.

Drum washing machine for washing laundry in drum type has the advantage of relatively low damage rate of laundry and small amount of washing water used. Recently, various additional functions have been added to meet the needs of users who require multifunction. In particular, a drying administration for drying laundry is being added.

In such a drum washing machine, when a user opens a door, injects laundry, closes the door again and presses a button on the control panel, the washing machine rotates the drum after adding water and detergent to the tub through a water hose. Carry out a laundry administration to wash the laundry.

When the washing stroke is completed, the washing water is discharged to the outside through the drain hose, and then clean water is supplied again through the water supply hose, and after the water supply is completed, the tub is rotated to perform a rinsing stroke.                         

The washing water is discharged to the outside when the rinsing stroke is completed, and when the discharge of the washing water is completed, the dehydrating stroke is performed while rotating the drum at a high speed.

On the other hand, the user may select a drying administration course after the washing, rinsing, and dehydrating administration of the washing machine in the control panel, or may select a drying only course to dry the laundry except for all the above-described strokes.

Hereinafter, the laundry drying apparatus of the conventional drum washing machine will be described with reference to FIGS. 1 and 2.

First, the laundry dryer of the drum washing machine is a condensation type dryer for drying the laundry using only air in the washing machine, and exhausts the humid air in the washing machine to the outside and sucks the outside air into the duct to dry the laundry. It is divided into type drying equipment.

1 is a schematic view showing a condensation type drying apparatus of a conventional drum washing machine. Referring to this, the condensation type drying apparatus of the drum washing machine is installed in communication with the tub 1 and has an air duct formed therein. ), A drying heater 5 installed inside the drying duct to heat air, a blowing fan 4 for flowing air heated by the drying heater to one side, and a tub by operation of the blowing fan. Condensation duct 6 is introduced into the air, including the moisture of the laundry, and a condensate tube (7) for removing the moisture by spraying cold water into the air introduced into the condensation duct.

Referring to the action of the condensation-type drying device of the drum washing machine configured as described above in more detail as follows.                         

When the blowing fan 4 and the drying heater 5 installed inside the drying duct 3 are operated, the air flowing by the blowing fan 4 passes through the drying heater 5 to a high temperature and low humidity state. .

The air of the high temperature and low humidity flowing to one side in the drying duct flows into the tub 1, and the air of the high temperature and low humidity absorbs the moisture of the laundry while flowing in the tub 1 to become a high temperature and high humidity state.

The air of high temperature and high humidity flows into the condensation duct 6, in which cold water is injected through the condensate pipe 7 installed in the condensation duct 6, thereby condensing moisture in the air into the sprayed cold water.

At this time, the condensed water including the moisture in the air falls below the condensation duct.

Accordingly, the air dehumidified in the sprayed cold water is brought into a low temperature and low humidity state and flows back into the drying duct 3 in which the blowing fan 4 is located.

2 is a schematic view schematically showing an exhaust type drying apparatus of a conventional drum washing machine. Referring to this, the exhaust type drying apparatus of the drum washing machine is installed to communicate with the tub (1) and has an air duct formed therein. And a drying heater 5 installed inside the drying duct for heating the air, a blowing fan 4 for flowing the air heated by the drying duct to the duct, and a circulation in the tub 1 Exhaust duct (9) for discharging the moisture absorbed laundry to the outside is made.

Since the air flow from the drying duct 3 to the tub 1 is the same as in the condensation type drying apparatus, the description thereof will be omitted below, and after passing through the tub 1, The operation of the air flow and drying apparatus will be described.

The air, which has become a high temperature and high humidity while passing through the drying duct 3 and the tub 1, flows into the exhaust duct 8, and the exhaust duct 8 is installed so that the open end is in communication with the outside. The air introduced into (8) is discharged to the outside including the moisture of the laundry.

Accordingly, since the high temperature and high humidity air of the exhaust duct 8 is discharged to the outside, it is not necessary to provide a condensate pipe 7 separately in the exhaust duct 8, and the opened end of the exhaust duct 8 is provided in the cabinet. It should be installed to communicate with the formed through hole.

Such a drum washing machine is inconvenient to manufacture the laundry drying apparatus and the outer case of the washing machine differently according to the laundry drying apparatus.

In order to solve the above problems, the present invention is to provide a drying method switch type drying apparatus of the drum washing machine to change the laundry drying method by rotating the lever of the flow path switching means installed in the duct during the laundry drying operation. It is done.

In order to achieve the above object, the present invention provides a tub that accommodates the water containing clothing, a duct which serves to guide the air in the tub discharged to the outside of the tub back into the tub, the air in the tub According to the present invention, there is provided a blower fan configured to be forcedly circulated, and a flow path switching means provided on the duct to allow air in the tub to circulate along the duct or to be discharged out of the duct. do.

Hereinafter, with reference to FIGS. 3 to 5 with reference to the drying method switch type drying apparatus according to the present invention.

3 is a schematic diagram schematically showing a drying method switching type drying apparatus of a drum washing machine according to the present invention, the switching type drying apparatus is a tub (1), duct (3), blowing fan (4) and flow path switching Means (13).

The tub 1 is provided with a duct that serves to guide the air discharged to the outside of the tub back into the tub.

In this case, the duct is composed of a drying duct (3) having one end connected to one side of the tub (1) and a variable duct (8) having one end connected to the other side of the tub and the other end connected to the drying duct, or the tub One end may be connected to one side of (1), and the other end may be integrally connected to the other end of the tub.

Hereinafter, since the duct is integrally formed or has the same configuration and function regardless of whether it consists of the drying duct 3 and the variable duct 8, hereinafter, the drying apparatus of the drum washing machine comprising the drying duct and the variable duct This will be described.

In the drying duct (3), a blowing fan (4) is provided to flow air to one side so that air can flow into the tub (1), and a flow path switching means is provided on one side of the variable duct (8). .

The flow path switching means includes an exhaust port 12 formed on one side of the variable duct and a lever 13 rotatably installed in the exhaust mechanism to selectively block the air flow path of the exhaust port or the duct according to the rotation position.

The lever 13 is installed in the exhaust port 12 of the variable duct 11 to open and close the air flow path of the variable duct 11 as it is rotated, the lever 13 is a manual device that the user directly rotates by hand Or an automatic device that is automatically rotated by applying an actuator.

At this time, the actuator of the automatic device may be a solenoid or a motor.

Subsequently, in the flow of air flowing along the duct, cold water is supplied into the variable duct 11 downstream of the flow path switching means 12 and 13 of the variable duct 11 to condense the air circulating along the variable duct. Water supply means 7 is further included.

That is, the water supply means 7 is installed in the variable duct (11) portion in which the air in the tub flows after passing through the flow path switching means (12, 13), the upper portion of the flow path switching means (12, 13) in FIG. Is located in.

The water supply means 7 may be a condensation tube in the form of a hose, in which the condensation tube performs a function of connecting cold water to the nozzle at its tip.

On the other hand, it is more preferable to provide a drying heater 5 in the drying duct 3 in order to dry the laundry more efficiently by introducing hot air into the tub 1.

Referring to the operation of the drying method switch type drying apparatus of the drum washing machine having such a structure as follows.                     

First, when the drying heater 5 and the blowing fan 4 installed in the drying duct 3 are operated during the drying operation of the drum washing machine, air of low temperature and low humidity flowing to one side by the operation of the blowing fan 4 In contact with the drying heater (5) is changed to air of high temperature and low humidity.

The air of high temperature and low humidity flows into the tub 1 through a drying duct 3, and the air of high temperature and low humidity introduced into the tub is introduced into the variable duct 11 in a high temperature and high humidity state after absorbing moisture of laundry. .

The lever 13 of the flow path switching means is a condensation mode position for opening the air flow path of the variable duct 11 and closing the exhaust port at the same time as the user controls, and the variable duct 11 as shown in FIG. 5. At the same time as closing the air flow path of the can be rotated to the exhaust mode position to open the exhaust port 12 to discharge the internal air and introduce the outside air into the variable duct.

4 is a schematic view showing a flow direction of air flowing into the variable duct when the air passage of the variable duct is opened by rotating the lever of the flow path switching means of FIG. 3.

Referring to FIG. 4, when the lever 13 of the flow path switching means is rotated to the condensation mode position, the air of the high temperature and high humidity introduced into the variable duct 11 is blown by the suction force of the blower fan 4. 4) flows in the installed direction.

At this time, the condensate pipe 7 installed in the variable duct 11 injects cold water into the variable duct 11, wherein the injected cold liquid water is variable while condensing with moisture contained in a large amount of air at a high temperature and high humidity. Falls to the bottom of the duct (11).

Accordingly, the air from which moisture is removed flows into the drying duct 3 in a low temperature and low humidity state.                     

5 is a schematic view showing the flow direction of the flow air and the outside air in the variable duct when the air flow of the variable duct is closed by rotating the lever of the flow path switching means of FIG.

When the lever 13 of the flow path switching means is rotated to the exhaust mode position as shown in FIG. 5, the air of the high temperature and high humidity introduced into the variable duct 11 is discharged to the outside through the exhaust port 12.

That is, while the lever 13 is rotated, outside air is sucked into the variable duct 11 through the upper portion of the exhaust port 12, while the air flows in the variable duct 11 through the lower portion of the exhaust port 12. The air is exhausted.

In addition, since the water supply means 7 installed in the variable duct 11 is a device installed to remove moisture contained in the flow air by spraying cold water, the lever 13 of the flow path switching means is air in the variable duct. The water supply means 7 is no longer operated when the flow path is turned to the exhaust mode position, which closes the flow path and opens the exhaust port.

On the other hand, the drying method of the drum type washing machine of the drum type washing apparatus rotates the lever 13 of the flow path switching means, the air passage of the duct is opened, or the exhaust and inlet opening at the same time the air passage of the duct is closed at the same time Since it has a structure that is, it is preferable that a through hole of a sufficient size is formed in the cabinet forming the main body of the drum washing machine.

As described above, the present invention can be converted to a drum washing machine having a drying method preferred by consumers of the importing country by adjusting the lever of the flow path switching means at the time of manufacturing the washing machine.

In addition, the user may rotate the lever of the flow path switching means directly before using the washing machine to change the drying method of the laundry.

As described above, the present invention can unify the manufacturing facilities of the drum washing machine because it is possible to vary the manner of drying the laundry by applying a variable drying apparatus of the same structure.

In addition, it is possible to manufacture a washing machine that can switch the washing method as a manufacturing facility of the same structure according to the washing method preferred by the people of the import country of the drum washing machine.

Claims (9)

A tub in which clothing is accommodated; A duct for guiding air in the tub discharged from the tub back into the tub; A blower fan for forced circulation of air in the tub along the duct; And And a flow path switching means for circulating the air in the tub along the duct in the condensation mode and discharging the air in the tub to the outside of the duct in the exhaust mode. The flow path switching means includes an exhaust port formed at one side of the duct, and closes the exhaust port in the condensation mode and simultaneously opens the air flow path of the duct, and opens the exhaust port in the exhaust mode and simultaneously blocks the air flow path of the duct. Drying type switch type drying apparatus for a drum washing machine comprising a lever. The drying method of the drum washing machine according to claim 1, further comprising a water supply means for condensing the air circulating along the duct when the air flow path of the duct is opened by the flow path switching means. Drying equipment. The duct of claim 2, wherein the duct is connected to one side of the tub and is provided with a drying duct mounted therein with a heater installed therein, and a variable duct installed with the tub to connect the other side of the tub with the drying duct. Drying method switch type drying apparatus of the drum washing machine, characterized in that. A tub in which clothing is accommodated; A duct for guiding air in the tub discharged from the tub back into the tub; A blower fan for forced circulation of air in the tub along the duct; Flow path switching means for allowing air in the tub to circulate along the duct in the condensation mode and for discharging the air in the tub to the outside of the duct in the exhaust mode; And And a water supply means for condensing air circulating along the duct when the air passage of the duct is opened by the flow path switching means. The method of claim 4, wherein The water supply means is a drying method switch type drying apparatus of the drum washing machine, characterized in that the hose-type condensate water pipe. The method of claim 4, wherein The water supply means is a hose type drying method switch type drying apparatus of the drum washing machine, characterized in that the condensate tube having a nozzle at the tip. The method of claim 3, wherein Drying method switch type drying apparatus of the drum washing machine, characterized in that the lever is operated manually. The method of claim 3, wherein Drying type switch type drying apparatus of the drum washing machine, characterized in that the lever is driven by the actuator The method of claim 8, The actuator is a drying method switch type drying apparatus of the drum washing machine, characterized in that the solenoid or motor.

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