KR20030084066A - Drum type washing and drying apparatus - Google Patents

Abstract

The present invention relates to a drum type washing and drying apparatus, comprising: a casing for forming an accommodation space therein; A washing unit having a tub disposed inside the casing, and a first rotating drum rotatably disposed around the rotating shaft formed along the horizontal direction in the tub to perform a washing operation; A dryer unit having a second rotating drum disposed on one side of the tub so as to be rotatable about a rotating shaft formed along a substantially horizontal direction; A first communication tube having one end connected to the inside of the tub and the other end connected to the second rotating drum; A second communication tube having one end connected in communication with the second rotating drum and the other end connected in communication with the tub; A blowing fan for blowing air inside the tub to be drawn out through the first communication pipe and introduced into the second rotating drum; It characterized in that it comprises a heating means for heating the air before entering the second rotating drum. Thereby, the drum type washing and drying apparatus which can improve drying performance and can reduce cost and a noise is provided.

Description

Drum Type Washing and Drying Equipment {DRUM TYPE WASHING AND DRYING APPARATUS}

The present invention relates to a drum type washing and drying apparatus, and more particularly, to a drum type washing and drying apparatus capable of improving drying performance and reducing cost and noise.

Recently, the use of a clothes dryer with a washing machine is increasing to shorten the washing and drying time of clothes to be washed.

The washing machine uses an electric motor as a main power source, and accommodates laundry, detergents and water together in the washing tank to wash, rinse and dehydrate the laundry, detergent and water so as to interact with the laundry so that the stains on the laundry are removed.

The clothes dryer is a device for removing moisture from laundry by allowing hot air to flow into a drying container in which laundry to be dried is accommodated.

1 is a view showing an installation state of a conventional washing machine and clothes dryer, Figures 2 and 3 are cross-sectional views of the washing machine and clothes dryer of Figure 1, respectively. As shown in these figures, the conventional washing machine 111 and the clothes dryer 131 are arranged side by side in adjacent positions to facilitate washing and drying.

The washing machine 111 may include a casing 113 forming an accommodating space therein, a tub 117 disposed inside the casing 113 to accommodate washing water therein, and a tub 117 rotatable inside the tub 117. It is provided with a rotating drum 123 accommodated. An entrance is formed in the front central area of the casing 113 to allow the laundry to enter and exit, and a door 115 is provided at the edge of the entrance to open and close the entrance.

The tub 117 has a tubular shape of which one side is opened and is provided inside the casing 113 so that the open area corresponds to the entrance and exit. On the upper side and the lower side of the tub 117, a spring member 119 and a damper 121 are installed to fully support the tub 117, and a drum drive is provided in the rear region to rotate the rotating drum 123. The motor 125 is provided. A lower one side of the tub 117 is provided with a drain pipe 120 and a drain pump 122 to discharge the wash water.

The rotating drum 123 has a cylindrical shape with one side open, and is accommodated so that the rotating shaft is disposed in the tub 117 in a substantially horizontal direction, and the drum driving motor 125 is connected to the rotating shaft.

On the other hand, the clothes dryer 131, the casing 133 is formed in the entrance to allow the clothes to be dried on the front and the like, the door 134 is coupled to the casing 133 to open and close the entrance and the casing ( Rotating drum 135 is rotatably installed in the interior of the 133, and one end is connected to the rear region of the rotating drum 135 so that air can circulate outside the rotating drum 135, the other end is the front lower region An air flow tube 137 connected to each other, a blowing fan 139 for circulating air, a driving motor 141 for driving the rotating drum 135 and a blowing fan 139, and an air flow tube 137 Heater 143 to allow the air flowing along the heating before the inlet of the rotary drum 135, a condenser 145 for condensing the air containing the moisture of the laundry, and a cooling fan 147 for cooling the condenser 145 ).

By such a configuration, the clothes washed and dehydrated by the washing machine 111 are accommodated inside the rotating drum 135 of the clothes dryer 131, and when the power is applied to the driving motor 141, the rotating drum 135. And the blower fan 139 starts driving. Air drawn out from the inside of the rotary drum 135 by the blowing fan 139 flows along the air flow tube 137 and is heated by the heater 143 before the rotary drum 135 is introduced.

The heated high-temperature air contains moisture evaporated from the clothes and the like inside the rotary drum 135 and is again drawn out of the rotary drum 135. The moisture in the air drawn out together with the hot air is condensed and discharged through the condenser 145, and the dried air having reduced moisture flows along the air flow tube 137 and is heated by the heater 143 and then rotated. The drying stroke proceeds while repeating the process introduced into the drum 135.

However, in the conventional clothes dryer 131, not only the drying performance is relatively low, but also a relatively expensive separate condenser 145 and cooling fan 147 is provided, the cost is increased and the condenser 145 ), There is a problem in that inconvenience is caused, such as noise generated when driving the cooling fan 147 for cooling.

Accordingly, it is an object of the present invention to provide a drum type washing and drying apparatus that can improve drying performance and can reduce costs and noise.

1 is a view showing an installation state of a conventional washing machine and clothes dryer,

2 and 3 are cross-sectional views of the washing machine and clothes dryer of FIG. 1, respectively.

4 is a cross-sectional plan view of the drum-type laundry and drying apparatus according to an embodiment of the present invention,

5 is a longitudinal sectional view of the washing machine of FIG. 4;

6 is a longitudinal sectional view of the dryer unit of FIG. 4;

7 and 8 are cross-sectional views taken along lines VII-VII and VII-VII of FIG. 4, respectively;

9 is a control block diagram of the drum-type laundry and drying apparatus of FIG.

10 and 11 are views illustrating a first communication tube and a second communication tube region of the drum-type laundry and drying apparatus according to another embodiment of the present invention, respectively.

Explanation of symbols on the main parts of the drawings

11: washing machine unit 13: first casing

15: Tub 17: First rotating drum

19: 1st rotation drum drive motor 27: drainage pump

31: dryer part 33: second casing

35: second rotating drum 41: the first communication pipe

43: first communication pipe opening and closing valve 45: blowing fan

47: second rotation drum drive motor 49: heater

51: second communication tube 55: control unit

57: water level detection unit

According to the present invention, the object and the casing to form a receiving space therein; A washing unit having a tub disposed inside the casing, and a first rotating drum rotatably disposed around the rotating shaft formed along the horizontal direction in the tub to perform a washing operation; A dryer unit having a second rotating drum disposed on one side of the tub so as to be rotatable about a rotating shaft formed along a substantially horizontal direction; A first communication tube having one end connected to the inside of the tub and the other end connected to the second rotating drum; A second communication tube having one end connected in communication with the second rotating drum and the other end connected in communication with the tub; A blowing fan for blowing air inside the tub to be drawn out through the first communication pipe and introduced into the second rotating drum; It is achieved by a drum type washing and drying apparatus comprising a heating means for heating the air before entering the second rotary drum.

Here, it is preferable to further include a control unit for controlling the water supply valve and the drain pump provided in the washing machine so that the first rotating drum is in contact with the wash water when the drying operation of the second rotating drum.

In addition, the water level sensing means for sensing the water level in the tub further, the control unit is effective to control the water supply valve and the drain pump based on the water level sensing means.

Preferably, the first communication pipe further includes a first communication pipe opening and closing valve capable of opening and closing the first communication pipe for each stroke.

The casing preferably includes a first casing for accommodating the washing machine and a second casing disposed on one side of the first casing for accommodating the dryer part.

In addition, at least one of the first communication tube and the second communication tube is preferably configured to be formed of a soft member.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the present invention.

Figure 4 is a plan sectional view of the drum washing and drying apparatus according to an embodiment of the present invention, Figure 5 is a longitudinal sectional view of the washing machine of Figure 4, Figure 6 is a longitudinal sectional view of the dryer section of Figure 4, Figure 7 and Figure 8 is a cross-sectional view taken along line VII-VII and VII-VII of FIG. 4, respectively, and FIG. 9 is a control block diagram of the drum type laundry and drying apparatus of FIG. 4. As shown in these figures, the drum type washing and drying apparatus includes a washing machine unit 11 for washing and dehydrating laundry, a dryer unit 31 for drying laundry, etc., a washing machine unit 11 and The dryer part 31 is comprised including the 1st communication pipe 41 and the 2nd communication pipe 51 which connect so that mutually communicating.

The washing machine 11 includes a first casing 13 forming an accommodating space therein, a tub 15 disposed inside the first casing 13 so as to accommodate washing water therein, and a tub ( A first rotating drum 17 rotatably disposed in the inside of the 15 and a first rotating drum driving motor 19 for rotating the first rotating drum 17 are provided. The upper and lower sides of the tub 15 are provided with a spring member 21 and a damper 23 so as to buffer the tub 15, and a drain pipe for discharging the wash water in the bottom region of the tub 15. 25 and the drain pump 27 are provided, respectively. An entrance is formed in the front central region of the first casing 13, and a door 14 is provided at one edge of the entrance to open and close the entrance.

The dryer part 31 is provided with the 2nd casing 33 which forms the accommodating space inside, and the 2nd rotating drum 35 rotatably arrange | positioned inside the 2nd casing 33. As shown in FIG. An entrance is formed in the front central area of the second casing 33, and a door 34 is provided at one edge of the entrance to open and close the entrance.

Meanwhile, one end of the first communication tube 41 is connected to each other in the lower rear region of the tub 15, and the other end of the first communication tube 41 connects the first casing 13 and the second casing 33 to each other. Passed through and connected to the rear upper region of the second rotary drum (35). The first communication tube 41 is provided with a first communication tube opening and closing valve 43 to open and close the first communication tube 41.

The blower fan 45 is installed in the first communication tube 41 of the second casing 33 so that the air drawn out from the tub 15 can be introduced into the second rotating drum 35. In addition, a second rotating drum driving motor 47 for rotating the second rotating drum 35 is provided at one side of the blowing fan 45. Here, the blowing fan 45 and the second rotary drum 35 may be configured to rotate by a single motor.

A heater 49 is provided in the downstream region of the blowing fan 45 along the flow direction of the air so that the air can be heated before entering the second rotating drum 35.

One end of the second communication tube 51 is connected to the front upper region of the second rotary drum 35 so that the air is discharged, and the other end of the second communication tube 51 is the second casing 33 and Passed through the first casing 13 is connected to the front upper region of the tub 15 in communication with each other. Here, the first communication tube 41 and the second communication tube 51 is formed of a rubber member, a soft synthetic resin member or the like so as to suppress the vibrations are transmitted to each other when the washing unit 11 and the dryer unit 31 is driven. It is preferable to comprise so that.

This drum type washing and drying apparatus having such a device characteristic has a control unit 55 composed of a microcomputer or the like in which a control program is embedded, and the control unit 55 detects the water level in the tub 15. The portions 57 are electrically connected to each other.

The controller 55 has a first rotary drum drive motor 19, a water supply valve 26, a drain pump 27, a blower fan 45, a heater 49, and a second drum drive for each stroke. They are electrically connected to each other so as to control the motor 47 and the first communication opening and closing valve 43, respectively.

By this configuration, before the washing operation proceeds in the washing machine unit 11, the control unit 55 controls the first communication pipe opening and closing valve 43 so that the first communication pipe 41 is cut off, The drain pump 27 is controlled based on the detection result of the water level sensor 27 so that the washing water remains inside the tub 15 so that the one rotating drum 17 and the washing water do not come into contact with each other.

On the other hand, when the dehydration stroke is finished and the dehydrated clothes, etc. are accommodated in the second rotating drum 35, when the drying stroke is started, the controller 55 opens the water supply valve 26 to open the first rotating drum 17. The washing water is further supplied to the washing water so as to be slightly submerged, and the first communication pipe opening / closing valve 43 is controlled to open the first communication pipe 41, and the blowing fan 45 and the second rotating drum driving motor ( 47, the heater 49 and the first rotary drum drive motor 19 is controlled to be driven, respectively.

When the blower fan 45 starts to drive, the air drawn from the tub 15 flows along the first communication pipe 41, is heated by the heater 49, and flows into the second rotating drum 35. . The hot air introduced therein contains moisture evaporated from clothes rotated inside the second rotary drum 35 and is discharged to the outside of the second rotary drum 35 and flows along the second communication tube 51 to the tub. It flows into the inside of (15).

The relatively hot and humid air introduced into the tub 15 is heat-exchanged while being in contact with the first rotating drum 17 which rotates while being in contact with water, and moisture in the air is condensed. Moisture is removed, the relatively low temperature dry air flows along the first communication tube 41 and is heated by the heater 49, and the heated high temperature dry air is introduced into the second rotating drum 35 again. Moisture such as clothing is evaporated to a high temperature and high humidity state and flows along the second communication tube 51 to repeat the operation flowing into the tub 15 while the drying process is performed.

When the drying stroke is completed, the controller 55 controls the drainage pump 27 to discharge all the washing water inside the tub 15 and prevents the washing water from flowing into the first communication tube 41 during the washing stroke. The first communication pipe opening and closing valve 43 is controlled so that the first communication pipe 41 is blocked.

10 and 11 are views illustrating a first communication tube and a second communication tube region of a drum type laundry and drying apparatus according to another embodiment of the present invention, respectively. The same reference numerals refer to the same and the same components as the above and illustrated configurations, and detailed description thereof will be omitted. As shown in these figures, the drum washing and drying apparatus includes a casing 10 for forming an accommodating space therein, and a washing machine 11 and a dryer 31 formed in the casing 10. And, one end is connected in communication with the upper region of the tub 15, the other end is in communication with the upper region of the second rotating drum 35, the first communication tube 41 and one end of the second rotating drum ( 35 is connected to each other and the other end is configured to include a second communication pipe 51 is connected to each other in communication with the bottom region of the tub (15).

The casing 10 is provided with a pair of openings in the front surface so that laundry or clothes can enter and exit the washing machine unit 11 and the dryer unit 31, respectively, and each opening is provided with a door.

On the other hand, the lower portion of the second communication tube 51 is provided with a second communication tube opening and closing valve to open and close the second communication tube 51, the second communication tube opening and closing valve is electrically connected to the control unit 55. .

By this configuration, when the drying stroke is started, the control unit 55 controls the second communication pipe opening and closing valve 57 to open the second communication pipe 51, and blows the fan 45, the heater 49, and the second rotation. The drum 35 and the first rotating drum 17 are respectively driven. When the blower fan 45 starts driving, air is drawn out from the tub 15, and the drawn air flows along the first communication pipe 41 and is heated by the heater 49. The heated hot air contains moisture evaporated in the second rotary drum 35 and flows along the second communication tube 51 to be introduced into the tub 15.

The air introduced into the tub 15 comes into contact with the first rotating drum 17 which rotates in contact with water inside the tub 15 and rapidly exchanges heat to condense to remove moisture. The low temperature dry air from which moisture is removed flows along the first communication tube 41 and is heated by the heater 49, and the heated high temperature dry air flows into the second rotary drum 35 to contain water. The drying administration proceeds while repeatedly performing the operation to be discharged to the outside of the second rotary drum (35).

As described above, according to the present invention, a casing, a washing machine part and a dryer part formed inside the casing, a first communication tube and a second communication tube connecting the washing machine part and the dryer part to communicate with each other, and the air is the washing machine part and By providing a blower fan for circulating the dryer unit and a heater for heating the air, a relatively expensive condenser and a cooling fan of the condenser are provided so that the drying performance is low and noise occurs during operation despite the increase in cost. Unlike the above, there is provided a drum type washing and drying apparatus that can not only reduce cost and noise, but also significantly improve drying performance.

In addition, according to the present invention, there is provided a drum-type washing and drying apparatus that can reduce the cost through the unification of the casing and the control unit, etc., which is compact.

Claims (6)

A casing forming an accommodation space therein; A washing unit having a tub disposed inside the casing, and a first rotating drum rotatably disposed around the rotating shaft formed along the horizontal direction in the tub to perform a washing operation; A dryer unit having a second rotating drum disposed on one side of the tub so as to be rotatable about a rotating shaft formed along a substantially horizontal direction; A first communication tube having one end connected to the inside of the tub and the other end connected to the second rotating drum; A second communication tube having one end connected in communication with the second rotating drum and the other end connected in communication with the tub; A blowing fan for blowing air inside the tub to be drawn out through the first communication pipe and introduced into the second rotating drum; Drum-type laundry and drying apparatus comprising a heating means for heating the air before entering the second rotary drum. The method of claim 1, And a controller for controlling a water supply valve and a drain pump provided in the washing machine to allow the first rotating drum to come into contact with the wash water when the drying operation of the second rotating drum is performed. Drying equipment. The method of claim 2, And a water level sensing means for sensing the water level in the tub, wherein the controller controls the water supply valve and the drain pump based on the water level sensing means. The method of claim 1, The first communication pipe further comprises a drum-type washing and drying device further comprises a first communication pipe opening and closing valve for opening and closing the first communication pipe for each stroke. The method according to any one of claims 1 to 4, The casing includes a first casing for accommodating the washing machine and a second casing disposed on one side of the first casing to accommodate the dryer part. The method according to any one of claims 1 to 4, Drum type laundry and drying apparatus, characterized in that at least one of the first communication tube and the second communication tube made of a soft member.