KR20020095370A - Dehumidifier for washing machine having drying function - Google Patents

Abstract

PURPOSE: A dehumidifying device for a drying and washing machine is provided to remove the humidity from the heated air circulating in a circulation duct for the heat exchange with clothing, by the water flowing along water channel ribs on the inner wall of the circulation duct. CONSTITUTION: A dehumidifying device for a drying and washing machine includes a water supplying duct(90) for supplying water into a circulation duct(20) connected between upper and lower parts of an outer tub for air circulation, and water channel ribs(93) formed on an inner wall surface of the circulation duct for guiding the water supplied from the water supplying duct, wherein the water channel ribs are disposed zig zag.

Description

Dehumidifier for washing machine having drying function

The present invention relates to a washing machine, and more particularly, to a pulsator type dry washing machine having a washing function and a drying function at the same time. The present invention also relates to a dehumidifying apparatus for a dry washing machine which removes moisture contained in air humidified by heat exchange with laundry.

A washing machine is a device that peels contaminants by applying energy such as impact to laundry, and may be divided into a pulsator type washing machine, a drum type washing machine, and an agitator type washing machine according to a method of applying energy to laundry. That is, the laundry is impacted by a pulsator or agitator, or the laundry is dropped by dropping the laundry by the rotation of the drum to wash the laundry. And the action of the detergent is added to this is done washing.

The above-mentioned washing machines generally have only a function of washing laundry such as clothes. Therefore, the user of the washing machine should take out the laundry from the washing machine after the washing is completed and dry it in the sun.

In recent years, it has been required to be able to artificially dry laundry which has been widely washed in the apartments in a short time due to the widespread use of apartments and changes in living patterns, and a dryer has been developed in response to this demand. The development of the dryer has made it possible to dry laundry which has been washed in a washing machine simply and quickly.

However, in general, a dryer is almost the same size as a washing machine, and therefore, it takes up a lot of space to install each of the washing machine and the dryer, and it is inconvenient to use the laundry having to be removed from the washing machine and put back into the dryer.

Therefore, the development of a washing machine having a drying function has been required. Accordingly, in the drum type washing machine, a washing machine having a drying function capable of drying directly from a drum without moving laundry after completion of washing has been proposed. In general, however, the washing machine of the pulsator type or agitator type washing machine having a better washing capacity than the drum type has no drying function. Therefore, there has been a demand for the development of a pulsator type washing machine having good washing ability and capable of drying laundry.

In order to solve the above problems, it is an object of the present invention to provide a pulsator type dry washing machine having a good washing function and drying the laundry.

Another object of the present invention is to provide a dehumidifying apparatus for a dry washing machine capable of efficiently removing moisture contained in air humidified by heat exchange with laundry.

1 is a cross-sectional view schematically showing a dry washing machine having a dehumidifying device according to the present invention.

Figure 2 is a side view showing the circulation duct of Figure 1

3 is an exploded view showing the interior of the circulation duct of FIG.

<Description of the symbols for the main parts of the drawings>

3: outer tank 5: inner tank

7: pulsator 9: driving means

10: water supply valve 11: drain duct

13: drain valve 15: heater

20: circulation duct 22: blowing fan

30: first outside air duct 32: first outside air fan

40: exhaust duct 50: second outdoor duct

52: second external fan 60: connection duct

90: water supply duct 93: euro rib

95: cooling fin

In order to achieve the above object, the present invention is a dry washing machine including a circulation duct connected between the lower portion of the outer tank and the upper portion of the outer tank in order to circulate air, the water supply for supplying water into the circulation duct Ducts; In order to guide the water supplied from the water supply duct, the inner wall of the circulation duct provides a dehumidifying apparatus for a dry washing machine including a rib for the flow path is formed.

The flow path rib is preferably provided in a zigzag form.

And a first outside air duct for introducing outside air in the circulation duct direction; It is preferable that the first external air fan installed in the first external air duct is further provided. Further, it is more preferable that a plurality of cooling fins are installed on the outer wall of the circulation duct.

According to another embodiment of the present invention, the present invention includes a circulation duct connected between the lower part of the outer tank and the upper part of the outer tank to circulate air; A blowing fan installed at a predetermined position of the circulation duct and forcibly circulating air; A heater installed at a predetermined position of the circulation duct to heat air flowing through the circulation duct; An exhaust duct connected between an upper portion of the outer tank and a drain duct so as to discharge the humid air of the inner tank to the outside; A water supply duct for supplying water into the circulation duct; In order to guide the water supplied from the water supply duct, the inner wall of the circulation duct is provided with a pulsator type dry washing machine including a flow path rib formed.

Therefore, according to the present invention, it is possible to effectively dry directly in the washing machine without moving the laundry after washing. In addition, it becomes possible to efficiently remove the moisture contained in the air humidified by heat exchange with the laundry.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a pulsator type dry washing machine and a dehumidifying apparatus for a dry washing machine according to the present invention.

First, referring to Figure 1, when described the pulsator type dry washing machine according to the present invention. First, the components for the washing function for washing laundry will be described as follows.

An inner tub 3 for storing the washing water is installed in the washing machine case 1, and an inner tub 5 in which a plurality of through holes 5a are formed is rotatably installed in the tub 3. The pulsator 7 is rotatably installed in the inside of (5). And the inner tank 5 and the pulsator 7 are rotated by the drive means 9 provided in the bottom face of the outer tank 3.

On the other hand, the upper part of the case 1 is provided with a water supply valve 10 for supplying water for washing and rinsing, the water supply valve 10 is a water supply duct (not shown) for supplying water to the inner tank (5) Connected. A drain duct 11 for discharging the dirty laundry water after the completion of washing to the outside of the washing machine is connected to the bottom of the outer tub 3, and a drain valve 13 is installed at a predetermined position of the drain duct 11. . Unexplained reference numeral 1a denotes a washing machine cover.

Next, the components for drying the laundry will be described.

Between the upper part and the lower part of the outer tank 3, a circulation duct 20 for supplying heated air for drying laundry to the inner tank 5 is installed. In detail, the lower end of the circulation duct 20 is connected to the lower portion of the outer tub 3, the upper end is located near the upper portion of the inner tub (5). Of course, a predetermined position of the circulation duct 20 is provided with a heater 15 for heating the air and a blowing fan 22 for forcibly circulating the air.

On the other hand, it is preferable that the inner cover 3a that can be opened and closed closely on the upper portion of the inner tank 5, and the tip of the circulation duct 40 is connected to the inner cover 3a. The reason for installing the inner cover 3a is to prevent leakage of heated air during drying of laundry.

On the other hand, air drying the clothes in the inner tank (5) and discharged back to the circulation duct 20 is high temperature and high humidity, and when the high temperature and high humidity air circulated in that state, the drying efficiency is lowered, which contains air Moisture must be removed. Therefore, the dehumidifier is installed in the circulation duct 20. 2 and 3, the dehumidifying apparatus will be described in detail as follows. Dehumidifier according to the present invention comprises a water-cooled dehumidifier and an air-cooled dehumidifier.

First, the water-cooled dehumidifier is described, the water supply duct 90 for supplying water into the circulation duct 20 is connected to the circulation duct 20. In addition, a plurality of flow path ribs 93 are formed on the inner wall of the circulation duct 20 to guide the water supplied from the water supply duct 90.

In detail, one side of the water supply duct 90 is connected to a water supply source such as a faucet or a water supply valve 10, and the other side thereof is connected to a net duct 20. In addition, the flow path ribs 93 are preferably formed in a shape having a small width and height and a relatively long length, and more preferably a plurality of ribs 93 are provided in a zigzag shape.

Next, an air-cooled dehumidifier is described. The first outdoor air duct 30 for supplying the outside air in the direction of the circulation duct 20 is installed, the first outside air fan 32 for generating the suction force to suck the outside air is installed at the inlet of the first outside air duct 30. do. In addition, a plurality of cooling fins 95 are installed on the outer wall of the circulation duct 20.

On the other hand, in order to facilitate drying, it is preferable to discharge the humidified steam formed in the upper part of the inner tank 5 to some extent to the outside. Therefore, the exhaust duct 40 is preferably installed on the upper portion of the outer tank 3 for this purpose.

In addition, the humid air is not good to be discharged to the outside as it is through the exhaust duct 40, so it is good to discharge the temperature and humidity of the humid air to the outside to some extent. Therefore, it is preferable that a second outside air duct 50 for introducing outside air is connected to a predetermined position of the exhaust duct 40, and a second outside air fan 52 is installed at the inlet of the second outside air duct 50. Do.

On the other hand, the upper end of the exhaust duct 40 is preferably connected to the inner cover (3a), the lower end is preferably connected to the rear end of the drain duct 11 (rear end of the portion where the drain valve is installed). Because the drain valve 13 is normally closed during the drying process, the exhaust duct 40 is connected to the rear end of the portion where the drain valve 13 is installed so that the humid air is discharged to the outside. In addition, the exhaust duct 40 also serves to discharge it to the outside when the washing water overflows during the washing process.

On the other hand, when the lower end of the circulation duct 20 is connected to the bottom of the outer tub (3) it is preferable that the connection duct 60 is installed between the lower end of the circulation duct 30 and the drain duct (11). The connection duct 60 is a passage through which the water condensed in the circulation duct 20 flows into the drain duct 11.

The connection duct 60 is not necessarily installed. For example, when the lower end of the circulation duct 20 is installed on the side of the outer tub 3, it is not necessary to install it. In this case, the water condensed in the circulation duct 20 is discharged to the outside of the washing machine through the bottom and the drain duct 11 of the outer tank (3).

Referring to Figure 1, when described the operation of the above-described dry washing machine according to the present invention.

First, the washing function will be described as follows. The washing function is substantially the same as the operation of a conventional washing machine. That is, the washing stroke, the rinsing stroke and the dehydrating stroke are sequentially performed to wash the laundry. The washing water overflowing the upper portion of the inner tank 5 at the time of washing is discharged to the outside through the exhaust duct 40.

The drying process begins when washing and dehydration are complete. When the drying process starts, the outside air is sucked by the first outside air fan 32, and the sucked outside air is supplied to the circulation duct 20 through the first outside air duct 30. Of course, the air inside the tank 5 is supplied to the circulation duct 20.

The outside air supplied to the circulation duct 20 flows upward by the blowing fan 22 and is heated by the heater 15 and supplied to the inner tank 5. Heated air supplied to the inner tank (5) heats the laundry to dry the laundry, the temperature is relatively low and the humidity is increased.

Part of the humid air circulates through the circulation duct 20, and part of the humid air is discharged to the outside through the exhaust duct 40. At this time, the humid air formed in the upper portion of the inner tank 5 is mainly discharged to the outside through the exhaust duct 40, the air in the lower portion is circulated through the circulation duct 20.

In the inner wall of the circulation duct 20, the water supplied through the water supply duct 90 flows on the flow path rib 93. Therefore, the air circulating in the circulation duct 20 is moved upward to exchange heat with water flowing through the inner wall of the flow path rib 93 and the circulation duct 20 to remove moisture. In addition, moisture is further removed by heat exchange with the air that hits the outer wall of the circulation duct 20, and the heat exchange efficiency is further improved by the action of the cooling fin 95.

On the other hand, the water dehumidified in the circulation duct 20, that is, the condensate is discharged to the outside of the washing machine via the connection duct 6 and the drain duct 11 in the lower portion of the circulation duct 20. The dehumidified air having relatively low temperature and humidity is again heated by the heater 15 and supplied to the inner tank 5. As described above, the heated air circulates the inner tank 5 to dry the laundry in the inner tank 5, and the drying process is completed after a predetermined time cycle.

In the above-described embodiment, the dehumidifier applied to the pulsator type dry washing machine is illustrated and described. However, the present invention is not limited to this, and in the case of a drum type washing machine or the like, it can be used as a dehumidifying apparatus.

Referring to the effects of the pulsator type dry washing machine and the dehumidifying apparatus for a dry washing machine according to the present invention described above are as follows.

First, according to the present invention, since the laundry after washing can be dried immediately in the inner tank, user convenience is improved. At the same time, the present invention has the advantage that the washing efficiency is also good because the laundry is washed in a pulsator method. In addition, according to the present invention, while circulating the heated air, there is an advantage that the drying efficiency is good because it discharges a part of the humid air directly to the outside.

Second, according to the present invention, it is possible to efficiently remove the moisture contained in the air flowing through the circulation duct has the advantage that the drying efficiency is improved.

Claims (7)

In the dry washing machine comprising a circulation duct connected between the lower part of the outer tank and the upper part of the outer tank to circulate air, A water supply duct for supplying water into the circulation duct; In order to guide the water supplied from the water supply duct, the inner wall of the circulation duct comprises a flow path rib formed in the dehumidification device for a dry washing machine. The dehumidifying apparatus for a dry washing machine according to claim 1, wherein the flow path rib is installed in a zigzag form. According to claim 1 or 2, The first outside air duct for introducing outside air in the circulation duct direction; Dehumidifying apparatus for a dry washing machine further comprising a first outside air fan installed in the first outside air duct. The dehumidifying apparatus for a dry washing machine according to claim 3, wherein a plurality of cooling fins are installed on an outer wall of the circulation duct. A circulation duct connected between the lower part of the outer tank and the upper part of the outer tank to circulate air; A blowing fan installed at a predetermined position of the circulation duct and forcibly circulating air; A heater installed at a predetermined position of the circulation duct to heat air flowing through the circulation duct; An exhaust duct connected between an upper portion of the outer tank and a drain duct so as to discharge the humid air of the inner tank to the outside; A water supply duct for supplying water into the circulation duct; And a flow path rib formed on an inner wall of the circulation duct to guide the water supplied from the water supply duct. The method of claim 5, further comprising: a first external air duct for introducing external air in the circulation duct direction; A pulsator type dry washing machine further comprising a first outside air fan installed in the first outside air duct. The pulsator type dry washing machine according to claim 6, wherein a plurality of cooling fins are installed on an outer wall of the circulation duct.