JP2005124799A - Drum type washing and drying apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drum type washing and drying apparatus of which the drying performance is increased, and which can reduce the cost price and operating noises. <P>SOLUTION: This drum type washing and drying apparatus is constituted by containing a washing unit 11, a drying unit 31, a first communication tube 41, a blowing fan 45, a heater 49, and a second communication tube 51. In this case, the washing unit 11 contains a tub 15 in which washing water is housed, and a first drum 17 which is freely rotatably arranged in the tub 15. The drying unit 31 contains a second drum 35 which is freely rotatably arranged at a location adjacent to the washing unit 11. One end of the first communication tube 41 is connected with the tub 15, and the other end of the first communication tube 41 is connected with the second drum 35. The blowing fan 45 is arranged in the first communication tube 41, and makes the air in the tub 15 flow into the second drum 35 side. The heater 49 heats the air passing through the first communication tube 41. One end of the second communication tube 51 is connected with the second drum 35, and the other end of the second communication tube 51 is connected with the tub 15, and thus, the air in the second drum 35 is made to flow into the tub 15 side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a drum-type washing and drying apparatus, and more particularly to a drum-type washing and drying apparatus that can reduce production costs and operation noise by improving drying performance.

Recently, the use of dryers along with washing machines has been increasingly used to reduce laundry washing and drying time.
That is, the washing machine stores the laundry, the detergent and the water together with the electric motor as the main power source so that the laundry, the detergent and the water interact with each other. It is a device that removes contamination attached to the laundry by advancing the dehydration process, and the dryer allows hot air to flow into the inside of the drying basket in which the laundry is stored, so that the clothes can be washed An apparatus for removing contained moisture.

FIG. 9 is a perspective view illustrating a conventional washing machine and dryer. The conventional washing machine 111 and the dryer 131 are arranged side by side so as to facilitate washing and drying. .
In addition, as shown in FIG. 10, the washing machine 111 has a housing space formed therein, and a casing in which a door 115 for opening and closing a doorway for loading / unloading laundry is disposed on the front surface thereof. 113, a tab 117 which is disposed inside the casing 113 and accommodates washing water therein, a washing drum 123 which is disposed with the rotary shaft 112 disposed horizontally inside the tab 117, and the tab A drum driving motor 125 that is connected to the rotating shaft 112 of the washing drum 123 and drives the washing drum 123 is provided in the rear region of 117.

  In addition, the washing machine 111 is disposed on the upper side and the lower side of the tab 117, and is mounted on the spring member 119 and the damper 121 for buffering and supporting the tab 117, and on the lower side of the tab 117. A drain pipe 120 and a drain pump 122 for draining the washing water in the tab 117 are respectively mounted.

  On the other hand, as shown in FIG. 11, the dryer 131 includes a casing 133 provided with a door 134 that opens and closes an entrance through which a clothes to be dried is inserted / extracted, and an interior of the casing 133. A drying drum 135 that is rotatably disposed in the air, an air flow pipe 137 having one end connected to the rear side of the drying drum 135 and the other end connected to the front side of the drying drum 135, and the air flow A blower fan 139 which is arranged in the middle of the pipe 137 and circulates the air on the front side of the drying drum 135 to the rear side; a driving motor 141 which drives the drying drum 135 and the blower fan 139; and the rear side of the drying drum 135 A heater 143 as a heating means that is disposed on the side and heats the air flowing through the air flow pipe 137 before flowing into the drying drum 135. And a condenser 145 that is disposed in the air flow pipe 137 and condenses the air containing moisture of the laundry, and a cooling fan 147 that cools the condenser 145.

  In the conventional dryer 131 configured as described above, the laundry that has been washed and dewatered by the washing machine 111 is accommodated in the drying drum 135 of the drying machine 131, and power is supplied to the drive motor 141. Is applied, the drying drum 135 and the blower fan 139 start driving. Next, the air inside the drying drum 135 is flowed to the rear side of the drying drum 135 through the air flow pipe 137 by the blower fan 139 and heated by the heater 143 before flowing into the drying drum 135. The

  The heated high-temperature air contains moisture evaporated from clothes and the like inside the drying drum 135 and is sucked into the air flow pipe 137 again and is sucked together with the high-temperature air. The moisture is condensed and discharged through the condenser 145, and the dried air from which the moisture has been removed flows through the air flow pipe 137 and is heated by the heater 143, and then the drying. The drying process is performed by flowing into the drum 135 and repeating such a process.

  However, such a conventional dryer 131 not only has a relatively low drying performance, but also includes a relatively expensive separate condenser 145 and cooling fan 147, which increases the manufacturing cost. When driving the cooling fan 147 for cooling the condenser 145, there is a disadvantage that noise is generated.

  The present invention has been made in view of such conventional problems, and an object of the present invention is to provide a drum-type washing and drying apparatus capable of improving the drying performance and reducing the production cost and the operation noise.

  In order to achieve such an object, in the drum-type washing and drying apparatus according to the present invention, a tab in which washing water is accommodated, and a first drum rotatably disposed inside the tab. A unit, a drying unit having a second drum rotatably disposed at a position adjacent to the washing unit, one end connected to the tab of the washing unit, and the other end connected to the second drum of the drying unit A first communicating pipe, a blower fan that is disposed in the first communicating pipe and causes the air in the tub to flow into the second drum side, and a heating unit that heats the air passing through the first communicating pipe And one end is connected to the second drum of the drying unit, and the other end is connected to the tab of the washing unit, so that the air in the second drum flows into the tab side. And composed of And wherein the Rukoto.

As described below, in the first and second embodiments of the drum-type washing and drying apparatus according to the present invention, the high-temperature and high-humidity air generated in the drying unit is condensed in the washing unit. This eliminates the need for a separate condenser and cooling fan, which can reduce the cost of manufacturing the drying device and prevent unnecessary noise and significantly improve the drying performance. There is an effect that can be.
In the second embodiment of the drum-type washing and drying apparatus according to the present invention, the washing unit 211 and the drying unit 231 are integrally formed in one casing 10, thereby further simplifying the structure and reducing the cost. There is an effect that it can be saved.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 1, in the first embodiment of the drum-type washing and drying apparatus according to the present invention, the laundry unit 11 for washing and dewatering laundry is connected to the side of the laundry unit 11. The washing unit 11 and the drying unit are configured to include a drying unit 31 for drying the washed clothes and the like, and a control unit 55 (see FIG. 6) for controlling the washing unit 11 and the drying unit 31. 31 is interconnected by a first communication pipe 41 through which air in the washing unit 11 flows into the drying unit 31 and a second communication pipe 51 through which air in the drying unit 31 flows into the washing unit 11. ing.

  As shown in FIG. 2, the washing unit 11 includes a first casing 13 in which a storage space is formed and a door 14 is mounted on the front surface, and the first casing 13 is disposed inside the first casing 13. A tab 15 for storing washing water therein, a first drum 17 rotatably disposed inside the tab 15, a first drive motor 19 for rotating the first drum 17, and the tab 15 A spring 21 and a damper 23 which are respectively disposed above and below and elastically support the tab 15; a drain pipe 25 and a drain pump 27 which are respectively disposed below the tab 15 and discharges washing water; It is composed of Here, the first communication pipe 41 is connected to the inside of the tab 15 below the tab 15, and the second communication pipe 51 is connected to the opening 18 of the tab 15 above the tab 15. The

  As shown in FIG. 3, the drying unit 31 includes a second casing 33 in which a housing space is formed and a door 34 is disposed on the front surface. The drying unit 31 is rotatable in the second casing 33. The second drum 35 is provided and a second drive motor 47 that rotates the second drum 35. In addition, the drying unit 31 is disposed in the middle of the first communication pipe 41 connected to the second drum 35, so that the air inside the tab 15 of the washing unit 11 is transferred to the first of the drying unit 31. It is comprised from the ventilation fan 45 which flows in into the 2 drum 35, and the heater 49 which heats the air which passed this ventilation fan 45. Here, the blower fan 45 and the second drum 35 may be configured to be rotated by a single motor.

Also, as shown in FIGS. 4 and 5, the first communication pipe 41 is configured such that the washing water in the tab 15 of the washing unit 11 flows into the blower fan 45 and the heater 49 during the washing operation. In order to prevent this, an air flow valve 43 that shuts off the first communication pipe 41 is mounted, and the second communication pipe 51 is connected to the opening 38 of the second drum on the upper side of the second drum 35 of the drying unit 31. Connected.
Meanwhile, the first communication pipe 41 and the second communication pipe 51 are formed of a rubber member or a soft material so as to prevent vibrations from being transmitted to each other when the washing unit 11 and the drying unit 31 are driven. It is preferable.

  Further, as shown in FIG. 6, the control unit 55 is composed of a microcomputer having a built-in control program. During the washing and drying operations, the first and second drive motors 19 and 47 and the blower fan 45 are provided. The heater 49 and the air flow valve 43 are controlled. A water supply valve 26 and a drainage pump 27 that are electrically connected to a water level sensing unit 57 that senses the water level in the tab 15 and adjust the amount of water in the tab 15 based on the measured value of the water level sensing unit 57. Is controlled to adjust the water level in the tab 15 during washing and drying operations.

Hereinafter, the operation of the first embodiment of the drum-type washing and drying apparatus according to the present invention configured as described above will be described.
First, before the washing operation is performed in the washing unit 11, the control unit 55 controls the air flow valve 43 so that the first communication pipe 41 is shut off, and the washing operation is finished and dehydration is performed. Based on the detection result of the water level detection unit 57, the washing water remains in the tub 15 to the extent that the first drum 17 can rotate without being in contact with the washing water as the stroke proceeds. The drain pump 27 is controlled.

  Next, when the dehydration process is completed and the dehydrated clothes and the like are accommodated in the second drum 35 and the drying process is started, the control unit 55 opens the water supply valve 26, and Washing water is additionally supplied so that one drum 17 is slightly immersed in the washing water, and the air flow valve 43 is controlled so that the first communication pipe 41 is opened. Further, the control unit 55 controls the blower fan 45, the first and second drive motors 19 and 47, and the heater 49 to be driven.

  Thereafter, when the blower fan 45 starts driving, the air drawn from the tab 15 flows through the first communication pipe 41, is heated by the heater 49, and flows into the second drum 35. The The high-temperature air that has flowed in in this manner contains moisture evaporated from clothing or the like that is rotated inside the second drum 35, is discharged to the outside of the second drum 35, and the second communication pipe 51. It flows into the inside of the tab 15 by flowing through it.

  Thus, the relatively hot and humid air that has flowed into the tab 15 is contacted with the first drum 17 that rotates while being in contact with water, so that heat is exchanged, and moisture in the air is condensed. The Next, the relatively low temperature dry air from which moisture has been removed flows through the first communication pipe 41 and is heated by the heater 49, and the heated high temperature dry air is again supplied to the second air. It flows into the drum 35, evaporates moisture such as clothes, becomes a hot and humid state, flows through the second communication pipe 51 and flows into the tab 15, and repeats this operation. As a result, the drying process proceeds.

Next, when the drying process is finished, the control unit 55 controls the drain pump 27 so that all the washing water in the tab 15 is discharged, and the washing water is discharged during the washing operation. In order to prevent the air from flowing into the first communication pipe 41, the air flow valve 43 is controlled so that the first communication pipe 41 is blocked.
Hereinafter, the second embodiment of the drum-type washing and drying apparatus according to the present invention will be described. However, the same parts as those in the first embodiment described above are denoted by the same reference numerals and description thereof is omitted.

  That is, as shown in FIGS. 7 and 8, in the second embodiment of the drum-type washing and drying apparatus according to the present invention, the casing 210 in which the accommodation space is formed and the casing 210 are arranged inside the casing 210. A washing unit 211 including a first drum 217 that is disposed and accommodates laundry by being disposed inside the tab 215 and that performs washing operation while being rotated. A drying unit 231 including a second drum 235 that is disposed adjacent to the tab 215 in the casing 210 and performs a drying operation of the laundry washed while being rotated, and has one end at the tab 215. The other end is connected to the first communication pipe 241 connected to the second drum 235, and the first communication pipe 241 is arranged so that the air in the tab 215 is transferred to the second door 241. A blower fan 245 that flows into the fan 235, heating means 249 that heats the air that has passed through the blower fan 245, one end connected to the upper side of the second drum 235, and the other end to the lower side of the tab 215. By being connected, the second drum 235 is configured to include a second communication pipe 251 through which air in the second drum 235 flows into the tab 215.

An air flow valve 253 that opens and closes the second communication tube 251 is mounted below the second communication tube 251, and the air flow valve 253 is electrically connected to the control unit 55. .
Hereinafter, the drying operation of the second embodiment of the drum-type washing and drying apparatus according to the present invention configured as described above will be described.

  First, when the drying operation is started, the control unit 55 controls the air flow valve 253 so that the second communication pipe 251 is opened. The control unit 55 controls the blower fan 245, the heating unit 249, and the first and second drums 217 and 235 to be driven. Next, when the blower fan 245 is driven, air is drawn from the tab 215, and the drawn air is heated by the heating means 249 by flowing through the first communication pipe 241. Next, the heated high-temperature air contains moisture evaporated in the second drum 235, flows through the second communication pipe 251, and flows into the tab 215.

  Next, the air that has flowed into the tab 215 in this manner is condensed while being rapidly heat-exchanged by being brought into contact with the first drum 217 that rotates while being in contact with the washing water inside the tab 215. Moisture is removed. Next, the low-temperature dry air from which the moisture has been removed is heated by the heating means 249 by flowing through the first communication pipe 241, and the heated high-temperature dry air is converted into the second drum 235. The moisture is contained and discharged to the outside of the second drum 235, and the drying process proceeds by repeating such an operation.

It is the longitudinal cross-sectional view which showed the structure of 1st Embodiment of the drum type washing and drying apparatus which concerns on this invention. It is the sectional side view which showed the structure of the washing unit of 1st Embodiment of the drum-type washing and drying apparatus which concerns on this invention. It is the sectional side view which showed the structure of the drying unit of 1st Embodiment of the drum type washing and drying apparatus which concerns on this invention. It is the VII-VII sectional view taken on the line of FIG. It is the VIII-VIII sectional view taken on the line of FIG. It is a control block block diagram of the drum type washing and drying apparatus according to the present invention. It is the schematic which showed 2nd Embodiment of the drum-type washing and drying apparatus which concerns on this invention. It is the schematic which showed 2nd Embodiment of the drum-type washing and drying apparatus which concerns on this invention. It is the perspective view which showed the conventional washing machine and dryer. It is the sectional side view which showed the structure of the conventional washing machine. It is side sectional drawing which showed the structure of the conventional dryer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Washing unit 15 ... Tab 17 ... 1st drum 19 ... 1st drive motor 25 ... Drain pipe 27 ... Drain pump 31 ... Drying unit 35 ... 2nd drum 41 ... 1st communication pipe 43 ... Air flow valve 45 ... Blower fan 47 ... Second drive motor 49 ... Heater 51 ... Second communication pipe

Claims (9)

A tab in which washing water is stored, and a washing unit in which a first drum is rotatably disposed inside the tab;
A drying unit having a second drum rotatably disposed at a position adjacent to the washing unit;
One end is connected to the tab of the washing unit, and the other end is connected to the second drum of the drying unit;
A blower fan that is disposed in the first communication pipe and causes the air in the tab to flow into the second drum side;
Heating means for heating the air passing through the first communication pipe;
One end is connected to the second drum of the drying unit, the other end is connected to the tab of the washing unit, the second communication pipe through which the air in the second drum flows into the tab side,
A drum-type washing and drying apparatus comprising:   A control unit for controlling a water supply valve and a water distribution pump mounted on the washing unit so that the first drum is brought into contact with washing water during the drying operation of the second drum. Item 2. The drum-type washing and drying apparatus according to Item 1.   3. The drum-type laundry according to claim 2, further comprising water level sensing means for sensing a water level in the tub, wherein the control unit controls the water supply valve and the water distribution pump by the water level sensing means. Drying equipment.   The drum-type washing and drying apparatus according to claim 1, wherein the washing unit and the drying unit are respectively disposed in one casing.   The drum-type washing and drying apparatus according to claim 1, wherein the washing unit and the drying unit are separately disposed in two casings.   The drum-type washing and drying apparatus according to claim 1, wherein at least one of the first communication pipe and the second communication pipe is made of a soft material.   The drum-type washing and drying apparatus according to claim 1, wherein an air flow valve for opening and closing the first communication pipe is attached to the first communication pipe during washing and drying operations.   The drum-type washing and drying apparatus according to claim 1, wherein the first communication pipe is mounted on an upper side of the tab, and the second communication pipe is mounted on a lower side of the tab.   The drum-type washing and drying apparatus according to claim 1, wherein an air flow valve for opening and closing the second communication pipe is attached to the second communication pipe during washing and drying operations.

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