KR100542075B1 - Drying method for drum type washing machine - Google Patents

Abstract

The present invention relates to a drying method for a drum washing machine, the present invention comprising the steps of a) introducing dry outside air supplied from the outside into the air duct; b) discharging a large amount of moisture after the external air introduced in step a) is supplied to the heat transfer heater through the air duct and heated, and the heated external air flows into the drum to dry the laundry; And c) a large amount of moisture discharged in step b) is discharged through the air discharge pipe of the drum, and the discharged large amount of moisture is condensed by the condensed water supplied through the condensed water supply pipe and then externally provided through the check valve and the condensation duct. It is discharged to a step. Such the present invention can increase the drying efficiency by the external air is introduced into the drum via the heat transfer heater during the drying process of the laundry, it is possible to reduce the production cost by simplifying the structure.

Drum Washer, Dryer, Condensation

Description

Drying method for drum type washing machine

1 is a perspective view illustrating a main part of an example of a drum washing machine having a general structure;

2 is a schematic structural diagram of a condenser coupled to a drying apparatus of a general drum washing machine;

Figure 3 is a perspective view showing the configuration of a drum washing machine applied to the present invention,

4 is a flowchart illustrating a drying process for a drum washing machine according to the present invention.

<Explanation of symbols for main parts of drawing>

10: air duct 20: blowing fan

30: condensation duct 50: drying device

      60: drum 61: electric heater

70: reservoir

The present invention relates to a washing machine, and more particularly, to a drying method for a drum washing machine to increase the drying efficiency by allowing the outside air to flow into the drum via the heat transfer heater during the drying process of the laundry.

In general, the drum washing machine is configured to rotate the cylindrical drum from the inside of the washing tank, while washing is carried out by dropping the laundry from the drum top to the bottom in this process.

The drum type washing machine has less damage due to the twisting of the laundry than the pulsator type washing machine or the edge data type washing machine, and the amount of washing water used is the pulsator type washing machine or the edge data type washing machine. It is relatively small compared to.

As shown in FIG. 1, the drum type washing machine has a water reservoir 111 installed horizontally from the inside of the trauma 110 shown as a virtual line, and a drum 112 having a function of a washing tank is provided therein. It is rotatably installed, the lower portion of the reservoir 111, the drive motor 113 for rotating the drum 111 is installed.

In addition, the upper portion of the reservoir 111 is provided with a water supply port 114 for supplying wash water from the outside, and a portion of the water supply port 114 is supplied to the inside of the water reservoir 111 via the detergent container 115. .

In addition, a filter 116, a drain pump 117, and a drain hose 118 are respectively connected to the lower end of the water storage tank 111, and a door 119 is installed at the front of the drum 112. have.

The drum washing machine 200 having the structure as described above typically has a drying function to spray hot air into the drum 112 according to the operation of the heater and the blower fan after the end of the washing according to the repeated washing and dehydration administration. Allow the laundry to dry.

2 is coupled to the upper portion of the drum washing machine as described above, the drying apparatus 160 for drying the laundry after the end of the laundry and the condenser 150 for condensing moisture in the air by combining to one side of the drying apparatus 160 As shown in the figure, the drying device 160 is coupled to the blower fan on one side of the duct 151 connecting the rear upper portion of the reservoir and the inner upper portion of the door, the discharge port 152 connected to the inner upper portion of the door and An internal space between the blowing fans has a structure in which a heat transfer heater is installed.

The drying apparatus 160 injects hot air into the drum according to the operation of the blower fan along with the heating of the heat transfer heater after the completion of the washing, while drying the laundry by forcibly circulating the internal air of the drum.

On the other hand, in the drying process of the laundry to remove the moisture in the air can be dried smoothly so that the condenser 150 is interposed between the blower fan and the reservoir of the drying device 160.

The condenser 150 flows the washing water at room temperature supplied through the water supply pipe 120 connected to the upper portion to the wall surface of the condensation duct 110 to maintain a relatively low temperature for the high temperature and high humidity air inside the condensation duct 110. The water vapor is condensed by contacting the washing water having the same, thereby removing the water vapor inside the drum.

On the other hand, in the drum washing machine having a drying device 160 as described above, the laundry is to remove the moisture in the process of repeatedly circulating the air inside, the drum washing machine of such a structure is heat transfer to improve the temperature of the wash water It includes a heater and a drying heater of the drying apparatus 160 for drying the laundry is complete, it has a complicated structure and condensation efficiency is limited, so it requires a lot of drying time during the drying process, especially a large amount of condensate Problems occur.

The present invention is to solve the conventional problems as described above, the technical problem of the present invention to increase the drying efficiency for the laundry by allowing the outside air is introduced into the drum via the heat transfer heater during the drying process of the laundry, By simplifying the structure, it provides a means to reduce the manufacturing cost.

Technical problem of the present invention as described above,

a) introducing dry outside air supplied from the outside into the air duct; b) discharging a large amount of moisture after the external air introduced in step a) is supplied to the heat transfer heater through the air duct and heated, and the heated external air flows into the drum to dry the laundry; And

c) a large amount of moisture discharged by the step b) is discharged through the air discharge pipe of the drum, and the discharged large amount of moisture is condensed by the condensed water supplied through the condensate supply pipe and then externally discharged through the check valve and the condensation duct. It is achieved by providing a drying method for a washing machine, characterized in that consisting of the step of discharging.

Hereinafter, with reference to the accompanying drawings, a drying method for a drum washing machine according to the present invention will be described in detail.

Figure 3 is a diagram showing the configuration of a drum washing machine to which the present invention is applied. Drying device for a drum washing machine 50 according to the present invention by spraying hot air to the laundry after the end of the laundry, while drying the laundry by condensing the moisture contained in the air in the drum 60, inflow of external air It consists of the air duct 10 which comprises a path | route, the blowing fan 20 couple | bonded with the upper part of the said air duct 10, and the condensation duct 30. As shown in FIG.

As described above, the air duct 10, which provides an inflow path of external air, is connected between the trauma 80 and the reservoir 70 of the drum washing machine 100, and has an upper portion outside through the trauma 80. A protruding inlet port 1 is formed, and the other end of the inlet port 1 is formed with a discharge port 2 having a shape directed toward the heat transfer heater 61.

On the other hand, the heat transfer heater 61 is installed in the lower portion of the reservoir 70 to heat the wash water by the power supplied from the control unit, the upper cover is a rectangular plate-shaped cover 63 having a plurality of vent holes Attachment prevents damage to the washing tub 60 due to overheating.

Subsequently, a blower fan 20 for introducing external air into the air duct 10 is attached to the inside of the inlet 1 of the air duct 10 so that the air inlet ( The outside air introduced through 1) is introduced into the lower portion of the reservoir 70.

In addition, the condensation duct 30 connected vertically from the upper portion of the reservoir 70 and the drain hose 62 to remove moisture from the air in the drum 60 in accordance with the supply of condensed water is supplied to the upper one side of the condensed water. Condensed water supply pipe 21 is connected, the outer peripheral surface side is formed with an air discharge pipe 22 for discharging the air inside the drum 60 to the outside, the lower portion to prevent backflow of the washing water in the drainage process of the condensate The valve 23 is engaged.

In the drum washing machine to which the present invention has the above-described configuration is applied, it is installed between the reservoir 70 and the outer box 80 of the drum washing machine 100 to dry the laundry after the completion of washing.

In the present invention as described above, the blower fan 20 and the heat transfer heater 61 provided in the air duct 10 start operation under the control of a control unit (not shown) in the drying operation after the end of washing, while the condensed water supply pipe 21 is operated. Through a small amount of condensate is supplied to the condensation duct (30).

As described above, when the operation of the blower fan 20 is started, external air having a dried state is introduced through the intake port 1 of the air duct 10 to the bottom of the reservoir 70 through the discharge port 2. In this case, since the heat transfer heater 61 is provided in front of the discharge port 2, the outside air is supplied to the drum 60 in a heated state by the heat transfer heater 61.

As described above, the high temperature dry air supplied to the drum 60 evaporates the moisture contained in the laundry according to contact with the laundry, and the laundry is dried according to the repetition of the above process. Drying device 50 for a drum washing machine by the dry air flows from the outside to dry the laundry quickly.

Then, the air inside the drum 60 containing a large amount of moisture by the water discharged from the laundry is condensed duct connected between the upper portion of the reservoir 70 and the drain hose 62 through the connecting pipe 64 as shown by the arrow. It is supplied to the 30, liquefied by the condensed water supplied through the condensate supply pipe 21 is discharged to the drain hose (62).

4 is a view showing a drying process of the drum washing machine according to the present invention. A drying process of the drum washing machine will be described with reference to FIGS. 3 and 4.

First, the drying mode is selected by the user (step 201), and it is checked by the control unit whether all the strokes of the laundry are finished (step 203), and if it is determined that all the strokes of the laundry are finished, the drying mode is executed. .

That is, the outside air having a state where the blower fan 20 is operated and dried under the control of the controller is supplied into the air duct 30 through the inlet of the air duct 30 (step 205).

The air supplied into the air duct 30 through the step 205 is heated by the heat transfer heater 61 operated by the control of the control unit (step 207). In addition, the outside air heated through the step 207 is supplied into the drum 60 (step 209). The hot dry air evaporates the moisture contained in the laundry upon contact with the laundry, and the laundry is dried according to the process (step 211). That is, the drying of the laundry proceeds quickly by drying air from the outside.

After the water discharged from the laundry through the step 211, a large amount of moisture is supplied to the condensation duct 30 through the connecting pipe 64 is liquefied by the condensed water supplied from the condensate supply pipe (step 213), the discharge Discharge to the outside through the lake 62 (step 215).

As described above, the drying method for a drum washing machine according to the present invention increases the drying efficiency for laundry by increasing the drying efficiency of the laundry by introducing external air into the drum via the heat transfer heater during the drying process of the laundry. Shorten and prevent unnecessary power consumption and excessive use of condensate. In addition, by heating the air using a heat transfer heater for heating the wash water there are many effects such as to simplify the structure of the drying apparatus to reduce the manufacturing cost.

While the invention has been shown and described with respect to specific preferred embodiments thereof, the invention is not limited to the embodiments described above, and is commonly used in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Anyone with knowledge will be able to make various variations.

Claims (1)

a) introducing dry outside air supplied from the outside into the air duct; b) discharging a large amount of moisture after the external air introduced in step a) is supplied to the heat transfer heater through the air duct and heated, and the heated external air flows into the drum to dry the laundry; And c) a large amount of moisture discharged by the step b) is discharged through the air discharge pipe of the drum, and the discharged large amount of moisture is condensed by the condensed water supplied through the condensate supply pipe and then externally discharged through the check valve and the condensation duct. Drying method for a washing machine comprising a step of discharging to.

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