KR100382508B1 - Washing machine with drying function using exhausted heat - Google Patents

Abstract

The present invention relates to a dry washing machine that efficiently uses exhaust heat discharged after drying of laundry. To this end, the present invention is one end is connected to the outside of the washing machine and the other end is an intake duct located near the upper portion of the inner tank, a blowing fan installed at a predetermined position of the intake duct forcibly circulating air, and the predetermined intake duct A heater installed at a position to heat the air flowing through the intake duct, and one end connected to an outer tank, and the other end connected to an outside of the washing machine, and an exhaust duct installed to be in contact with the intake duct and a predetermined portion for heat exchange. It provides a dry washing machine.

Description

Washing machine with drying function using exhausted heat}

The present invention relates to a dry washing machine, and more particularly, to a dry washing machine which can improve the drying performance by effectively utilizing the exhaust heat contained in the air discharged to the outside after drying the laundry in the inner tank.

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 a dryer makes 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, the development of a washing machine of a pulsator method or an agitator method having good washing ability and at the same time drying of laundry is required.

In order to solve the above-mentioned problems, an object of the present invention is to provide a dry washing machine having a good washing function, and also by spraying the heated air into the inner tank effectively the drying efficiency of the laundry.

Another object of the present invention is to provide a dry washing machine which can improve the drying efficiency by effectively using the heat contained in the air discharged to the outside after drying the laundry.

1 is a cross-sectional view schematically showing an embodiment of a dry washing machine according to the present invention

Explanation of symbols for 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: intake duct 22: blowing fan

30: exhaust duct 32: exhaust fan

In order to achieve the above object, the present invention is one end is connected to the outside of the washing machine and the other end of the intake duct is located near the upper portion of the inner tank; A blowing fan installed at a predetermined position of the intake duct and forcibly circulating air; A heater installed at a predetermined position of the intake duct to heat air flowing through the intake duct; One end is connected to the outer tank and the other end is connected to the outside of the washing machine, and provides a dry washing machine including an exhaust duct installed to exchange heat by contacting the intake duct with a predetermined portion.

The heat exchanger may be installed at a portion where the intake duct and the exhaust duct cross each other to improve heat exchange efficiency.

Therefore, according to the present invention, it is possible to wash the laundry with excellent washing efficiency and to dry the washed laundry more effectively directly in the washing machine.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment of a dry washing machine according to the present invention will be described.

Referring to Figure 1, when describing a 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. .

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

An upper portion of the inner tank 5 is provided with an intake duct 20 for supplying heated air to the inner tank 5 to dry the laundry inside the inner tank 5. That is, one end of the intake duct 20 is exposed to the outside through the case 1, the other end is located near the upper portion of the inner tank (5). Of course, a predetermined position of the intake duct 20 is provided with a heater 15 for heating the air and a blowing fan 22 for forcibly circulating the air. Here, the heater 15 is preferably installed in front of the blowing fan 22 (the discharge port direction of the intake duct).

In addition, an exhaust duct 30 is installed at the lower portion of the outer tub 3 to dry the laundry in the inner tub 5 and discharge the air having a relatively low temperature and increased humidity to the outside of the washing machine. In addition, the exhaust duct 30 is preferably provided with an exhaust fan 32.

On the other hand, the air discharged from the exhaust duct 30 to the outside of the washing machine is a state in which the temperature is relatively low due to heat exchange with the laundry in the inner tank 5, but is still in a high temperature state. Therefore, it is preferable to use this to raise the temperature of the outside air, ie, the outside air, which flows into the intake duct 20, rather than immediately discharging it to the outside of the washing machine. That is, it is preferable to perform heat exchange between the intake duct 20 and the exhaust duct 30 by crossing the intake air and the discharged air. Therefore, it is preferable to arrange | position so that the intake duct 20 and the exhaust duct 30 may cross | intersect. In addition, it is more preferable to provide a heat exchanger 40 having an appropriate shape in order to increase heat exchange efficiency at a portion where the intake duct 20 and the exhaust duct 30 intersect.

When configured as described above, the outside air to be sucked heat exchanged with the discharged heating air, so that the temperature is relatively increased, it is possible to reduce the capacity of the heater. In addition, the heating air discharged to the outside of the washing machine also has the advantage that the moisture is removed by the heat exchange and the temperature is lowered.

Referring to the operation of the dry washing machine according to the present invention described above are as follows.

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 drying process begins when washing and dehydration are complete. When the drying process is started, the blowing fan 22 is operated to supply the outside air to the inner tank 5 through the intake duct 20. At this time, the outside air is heated by the heater 15 is supplied to the inner tank (5). The heated air supplied to the inner tank 5 exchanges heat with the laundry to dry the laundry. By drying the laundry, the heated air having a relatively low temperature and improved humidity is discharged to the outside of the washing machine through the exhaust duct 30.

On the other hand, the discharged heating air is heat-exchanged with the outside air sucked in the heat exchanger 40, the temperature is further lowered and the moisture is discharged to the outside of the washing machine in a state of being removed. Of course, the outside air to be sucked is supplied to the heater 15 in a state where the temperature rises to some extent by heat exchange, and the outside air is further heated by the heater 15 to be supplied to the inner tank 5.

If the above-described process is repeated for a predetermined time, the laundry in the inner tank 5 is dried, thereby completing the drying process of the laundry.

Meanwhile, in the above-described embodiment, the pulsator type dry washing machine is illustrated and described, but the present invention is not limited thereto. In other words, it is possible to use the principle of the present invention in a drum washing machine or an agitator drying machine.

In the above, the present invention has been described in only one embodiment, but as can be seen in the appended claims, those skilled in the art can make modifications without departing from the spirit of the present invention. It will be understood that it belongs to the scope of the invention.

Referring to the effect of the pulsator type dry washing machine according to the present invention described above are as follows.

First, in the present invention, washing the laundry in a pulsator method is good washing efficiency, and at the same time there is an advantage that the convenience of the user can be improved since the laundry after washing can be immediately dried in the inner tank.

Secondly, according to the present invention, since the outside air is preheated by the hot air discharged from the heat exchanger and supplied to the heater, there is an advantage that the laundry can be efficiently dried with little energy. In addition, since the discharged heating air temperature and humidity is lowered, there is an advantage that less impact on the environment around the washing machine.

Claims (3)

One end is connected to the outside of the washing machine and the other end is an intake duct positioned near the upper portion of the inner tank; A blowing fan installed at a predetermined position of the intake duct and forcibly circulating air; A heater installed at a predetermined position of the intake duct to heat air flowing through the intake duct; One end is connected to the outer tank and the other end is connected to the outside of the washing machine, the drying washing machine comprising an exhaust duct is installed so that the intake duct and a predetermined portion in contact with the heat exchange. The dry washing machine according to claim 1, wherein a heat exchanger for improving heat exchange efficiency is provided at an intersection of the intake duct and the exhaust duct. The drying washing machine according to claim 1 or 2, wherein an exhaust fan is installed at the tip of the exhaust duct.