JP2007330569A - Washing and drying machine - Google Patents

Abstract

The present invention provides a washing and drying machine with low noise while improving drying efficiency and reducing power consumption by reducing the amount of heat escaped from an air passage and an outer tub that is blown by a heating means or a blower.
A washing and dewatering tub, an outer tub that encloses the washing and dewatering tub, an actuator that applies mechanical force to the laundry in the washing and dewatering tub, and air in the washing and dewatering tub. A dehumidifying mechanism 13 provided with a heat exchanger 20 for cooling and dehumidifying the air, an inner lid 4 provided in the outer tub 3 for taking in and out the laundry, In a washing / drying machine including an outer frame 1 surrounding the tub 3 and the dehumidifying mechanism 13 and an outer lid 2 provided on the outer frame 1 for taking in and out laundry, a labyrinth seal structure 22 is provided at a contact portion between the outer frame 1 and the outer lid 2. Is provided.
[Selection] Figure 1

Description

  The present invention relates to a washing and drying machine that includes a drying device having a heat exchanger and performs washing, dehydration and drying.

  A washing / drying machine that performs washing, dehydration and drying is provided with a discharge port at the bottom of the outer tub, for example, as described in Patent Document 1, and a circulation wind tunnel is provided upstream of the discharge port and the blowing means. Communicate. A part of the dry air discharged from the washing and dewatering tank is configured to circulate through the discharge port, the circulation wind tunnel, the air blowing means, the heating means, the blowing portion, and the washing and dewatering tank. The circulating wind tunnel is provided with a cooling water supply port for supplying cooling water for dehumidifying the drying air. The drying air that has become wet due to contact with the laundry is dehumidified in contact with the cooling water and the wall surface of the circulating wind tunnel cooled with the cooling water. A lid is provided at the upper part of the casing, and a drain valve and a drain port are provided at the lower part of the outer tub.

Japanese Patent Laying-Open No. 2005-245810 (page 11, FIG. 1)

  From the viewpoint of energy saving, it is necessary to improve drying efficiency in order to reduce power consumption during drying. In order to improve the drying efficiency, it is conceivable to improve the evaporation performance and dehumidification performance of water from the laundry and to efficiently use the heat from the heating means. In the configuration of the prior art, since the heating means and the surroundings are not heat insulating structures, a large amount of heat escapes from the heating means having the highest temperature, and 30-40% of the heat input by the heating means is in the outside air. Estimated to escape. Moreover, if the sealing degree of the lid on the upper part of the casing is poor, the operating sound of the blowing means leaks to the outside of the washing / drying machine and becomes a problem of noise.

  An object of the present invention is to provide a washing and drying machine that improves drying efficiency and reduces power consumption by reducing the amount of heat that escapes from an air passage and an outer tub that is blown by a heating means or a blower. Another object of the present invention is to provide a low noise washing and drying machine.

  In order to achieve the above object, the washing and drying machine of the present invention has the following configuration.

  The outer tub containing the washing / dehydrating tub, the blower that sends air into the washing / dehydrating tub, the air passage that blows air with the blower, the heat source that heats the air in the air passage, and the hot and humid air discharged from the laundry A dehumidifying mechanism having a heat exchanging part for cooling and dehumidifying, an inner lid provided in and out of the outer tub, an outer frame surrounding the outer tub and the dehumidifying mechanism, and an outer lid for putting the laundry in and out of the outer frame The washing / drying machine is characterized in that a labyrinth structure is provided at a contact portion between the outer frame and the outer lid.

  Moreover, it is good to provide packing or a seal structure in the contact part of an outer frame and an outer cover.

  A cover may be provided around the heat source for heating air, the air passage for blowing air, or the outer tub, or around the heat source for heating air, the air passage for blowing air, and the outer tub.

  Moreover, it is good to provide a heat insulating material around the heat source which heats air, the ventilation path which blows, or the outer tank, or the heat source which heats air, the ventilation path which blows air, and the outer tank.

  Further, it is preferable to provide a heat insulating material inside the outer frame or the outer lid for putting the laundry in and out of the outer frame or the outer frame and the outer lid for putting the laundry in and out of the outer frame.

  In addition, the outer tub containing the washing and dehydrating tub, the blower that sends air into the washing and dehydrating tub, the air passage that blows air with the blower, the heat source that heats the air in the air passage, and the high temperature and humidity discharged from the laundry In a washing and drying machine comprising a dehumidifying mechanism having a heat exchanging part for cooling and dehumidifying air, an outer frame surrounding the outer tub and the dehumidifying mechanism, and an outer lid for taking in and out the laundry, a heat source for heating air or A cover is provided around the air passage for blowing air or the outer tub, or around the heat source for heating air and the air passage for blowing air and the outer tub.

  Moreover, it is good to provide a heat insulating material around the heat source which heats air, the ventilation path which blows, or the outer tank, or the heat source which heats air, the ventilation path which blows air, and the outer tank.

  Further, it is preferable to provide a heat insulating material inside the outer frame or the outer lid for putting the laundry in and out of the outer frame or the outer frame and the outer lid for putting the laundry in and out of the outer frame.

  ADVANTAGE OF THE INVENTION According to this invention, the washing dryer which improves drying efficiency and reduces power consumption can be provided by reducing the calorie | heat amount which escapes from an air path, an outer tank, etc. which ventilate with a heating means or an air blower. Furthermore, a low noise washer / dryer can be provided.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a schematic diagram showing the configuration of the washing / drying machine according to the first embodiment of the present invention. This washing and drying machine hangs the outer tub 3 with the upper end opening 3a openable and closable with the inner lid 4 in an anti-vibration state in the outer frame 1 covered with the outer cover 2 so as to be openable and closable. It is supported (not shown). In the outer tub 3, a washing / dehydrating tub 5 into which the laundry is placed is rotatably supported, and a stirring blade 6 for stirring the laundry is rotatably supported at the bottom of the washing / dehydrating tub 5. The washing and dewatering tub 5 has a large number of small holes (not shown) for centrifugal dewatering and ventilation on the side wall. The electric drive device 7 attached to the outside of the bottom wall of the outer tub 3 rotates the washing / dehydrating tub 5 and the stirring blade 6. Further, the drainage port 3 b opened in the bottom wall of the outer tub 3 is connected to the drainage hose 9 through the drainage electromagnetic valve 8. The drying device 10 for drying the laundry in the washing and dewatering tub 5 sucks out the air in the outer tub 3 from the drain port 3b of the outer tub 3 and dehumidifies it with water, then heats it and then heats it from the blowing nozzle 11 through the blowing nozzle 11. The laundry is dried by generating circulating air 12 by blowing into the dewatering tank 5.

  In the washing and drying machine configured as described above, in the washing process, the laundry is put into the washing and dewatering tub 5, the water is supplied with the drain electromagnetic valve 8 closed, and the washing water is stored in the outer tub 3 and stirred. The wing 6 is rotated to wash the laundry. In the dehydration process, the drain electromagnetic valve 8 is opened to drain the washing water in the outer tub 3, and the washing and dehydration tub 5 is rotated to perform centrifugal dehydration. In the drying step, the washing and dewatering tub 5 and / or the stirring blade 6 are rotated with the drain electromagnetic valve 8 opened, and the blower 18 is operated to suck out the air in the outer tub 3 from the drain outlet 3b. After passing through the water-cooled dehumidifying duct 14 and water-cooled and dehumidified, it is heated by the heater 19 to generate circulating air 12 that is blown from the blowing nozzle 11 toward the laundry in the washing and dewatering tub 5. The water-cooled dehumidification of the circulating air 12 deprived of moisture from the laundry in the washing and dewatering tub 5 is performed by the metal heat exchange plate 27 installed at the approximate center in the water-cooled dehumidifying duct 14 from the cooling water supply pipe 16. The cooling water 15 that has flowed out to the wall surface is transmitted along the wall surface and guided in a zigzag state (not shown) in the horizontal direction by the ridges 17 so as to spread and flow down over a wide range of the wall surface, and contact with the circulating air 12. This is realized.

  The contact portion between the outer lid 2 and the outer frame 1 that covers the clothes insertion opening 1a so as to be openable and closable has a labyrinth seal 22 structure. In the labyrinth seal 22 structure, a part of the heat generated from the heater 19 escapes from the surface of the heater case 20, bellows 21, inner lid 4, and outer tub 3, and is transmitted to the air. Convection prevents escape to the outside of the washer / dryer.

  The washing / drying machine configured in this manner reduces evaporation of a part of the heat generated from the heater 19 to the outside of the washing / drying machine, thereby facilitating evaporation from the laundry and improving drying efficiency. Can be reduced.

  Further, by making the contact portion between the outer lid 2 and the outer frame 1 a labyrinth seal 22 structure, it is possible to reduce the amount of sound generated by the flow of the blower 18 and the circulating air 12 leaking from the periphery of the outer frame 1, thereby reducing the operating noise. Can be lowered.

  Next, a second embodiment of the present invention will be described with reference to FIG. FIG. 2 is a schematic diagram showing the configuration of the washing / drying machine as in FIG. 1 of the first embodiment. The description which overlaps about the structure which is common in 1st Embodiment is abbreviate | omitted.

  The difference from the first embodiment is that the contact portion between the outer lid 2 and the outer frame 1 is sealed with a packing 23 structure. As in the first embodiment, the laundry dryer configured in this way reduces evaporation of a part of the heat generated from the heater 19 to the outside of the laundry dryer, thereby promoting evaporation from the laundry and drying efficiency. As a result, power consumption can be reduced.

  Further, by making the contact portion between the outer lid 2 and the outer frame 1 into a packing 23 structure, the amount of sound generated by the blower 18 and the circulating air 12 leaking from the periphery of the outer frame 1 can be reduced, and the operation sound is lowered. I can do it.

  Next, a third embodiment of the present invention will be described with reference to FIG. FIG. 3 is a schematic diagram showing the configuration of the washing / drying machine as in the first embodiment. The description which overlaps about the structure which is common in 1st Embodiment is abbreviate | omitted.

  The difference from the first embodiment is that the contact portion between the outer lid 2 and the outer frame 1 is sealed with a packing 23 structure, and further, the heat insulating cover 24 and the outer tub 3 that form an air layer outside the heater case 20 are sealed. That is, a heat insulating cover 25 that forms an air layer is attached to the outer peripheral portion. The laundry dryer configured as described above can achieve the same effect as that of the first embodiment, and further promotes evaporation from the laundry by reducing heat escape from the outer periphery of the heater 19 and the outer tub 3. Thus, the drying efficiency is improved and the power consumption can be further reduced.

  Next, a fourth embodiment of the present invention will be described with reference to FIG. FIG. 4 is a schematic diagram showing the configuration of the washing / drying machine as in the first embodiment. The description which overlaps about the structure which is common in 1st Embodiment is abbreviate | omitted.

  The difference from the first embodiment is that the contact portion between the outer lid 2 and the outer frame 1 is sealed with a packing 23 structure, and a heat insulating material 26 is attached to the outside of the heater case 20 and the outer peripheral portion of the outer tub 3. That is. The laundry dryer configured as described above can achieve the same effect as that of the first embodiment, and further promotes evaporation from the laundry by reducing heat escape from the outer periphery of the heater 19 and the outer tub 3. Thus, the drying efficiency is improved and the power consumption can be further reduced.

  Further, by making the contact portion between the outer lid 2 and the outer frame 1 into the packing 23 structure, the amount of sound generated by the flow of the blower 18 and the circulating air 12 leaking from the periphery of the outer frame 1 can be reduced, and further, the heater Sound leakage from the outer periphery of the case 20 and the outer tub 3 can be reduced, and the operation sound can be further reduced.

  Next, a fifth embodiment of the present invention will be described with reference to FIG. FIG. 5 is a schematic diagram showing the configuration of the washing / drying machine as in the first embodiment. The description which overlaps about the structure which is common in 1st Embodiment is abbreviate | omitted.

  The difference from the first embodiment is that the contact portion between the outer lid 2 and the outer frame 1 is sealed with a packing 23 structure, and a heat insulating material 26 is attached to the inside of the outer lid 2 and the outer frame 1. . The washing / drying machine configured as described above has the same effect as that of the first embodiment, and further, a part of the heat generated from the heater 19 is generated in the heater case 20, the bellows 21, the inner lid 4 and the outer tub 3. The amount of air transmitted from the surface to the outside of the washing / drying machine can be reduced, evaporation from the laundry is promoted, drying efficiency is improved, and power consumption can be further reduced.

  Further, by making the contact portion between the outer lid 2 and the outer frame 1 into the packing 23 structure, the amount of sound generated by the flow of the blower 18 and the circulating air 12 leaking from the periphery of the outer frame 1 can be reduced, and further, the heater Sound leakage from the outer periphery of the case 20, the bellows 21, the inner lid 4 and the outer tub 3 can be reduced, and the operation sound can be further reduced.

The schematic diagram which shows the structure of the washing-drying machine in the 1st Embodiment of this invention. The schematic diagram which shows the structure of the washing-drying machine in the 2nd Embodiment of this invention. The schematic diagram which shows the structure of the washing-drying machine in the 3rd Embodiment of this invention. The schematic diagram which shows the structure of the washing-drying machine in the 4th Embodiment of this invention. The schematic diagram which shows the structure of the washing-drying machine in the 5th Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Outer frame, 1a ... Clothes input port, 2 ... Outer lid, 3 ... Outer tub, 3b ... Drainage port, 5 ... Washing and dewatering tub, 6 ... Stirring blade, 7 ... Electric drive device, 8 ... Drainage solenoid valve, DESCRIPTION OF SYMBOLS 9 ... Drain hose, 10 ... Drying device, 11 ... Blowing nozzle, 12 ... Circulating air, 13 ... Water-cooled dehumidifier, 14 ... Water-cooled dehumidification duct,
DESCRIPTION OF SYMBOLS 15 ... Cooling water, 16 ... Cooling water supply pipe, 17 ... Projection, 18 ... Blower, 19 ... Heater, 20 ... Heater case, 21 ... Bellows, 22 ... Labyrinth seal, 23 ... Packing, 24, 25 ... Thermal insulation cover, 26 ... heat insulating material, 27 ... heat exchange plate.

Claims (8)

A washing / dehydrating tub, an outer tub containing the washing / dehydrating tub, an actuator for applying mechanical force to the laundry in the washing / dehydrating tub, a blower for sending air into the washing / dehydrating tub, and the blower A dehumidifying mechanism having a wind path for blowing air, a heat source for heating air in the air path, and a heat exchanging section for cooling and dehumidifying the hot and humid air discharged from the laundry, and the laundry provided in the outer tub In the washing and drying machine comprising an inner lid to be taken in and out, an outer frame surrounding the outer tub and the dehumidifying mechanism, and an outer lid provided on the outer frame for taking in and out the laundry,
A washing and drying machine comprising a labyrinth seal structure at a contact portion between the outer frame and the outer lid.   The washing / drying machine according to claim 1, wherein a packing or a seal structure is provided at a contact portion between the outer frame and the outer lid.   2. The washing / drying machine according to claim 1, wherein the heat source for heating the air, the air passage for blowing air, or the outer tub, or the heat source for heating the air, the air passage for blowing air, and the outer tub are provided. A washing and drying machine comprising a cover.   2. The washing / drying machine according to claim 1, wherein the heat source for heating the air, the air passage for blowing air, or the outer tub, or the heat source for heating the air, the air passage for blowing air, and the outer tub are provided. A washer-dryer characterized by comprising an insulating material.   2. The washing / drying machine according to claim 1, wherein a heat insulating material is provided inside the outer frame or an outer lid for putting the laundry in and out of the outer frame or an outer lid for putting the laundry in and out of the outer frame and the outer frame. A washer-dryer characterized by comprising. A washing / dehydrating tub, an outer tub containing the washing / dehydrating tub, an actuator for applying mechanical force to the laundry in the washing / dehydrating tub, a blower for sending air into the washing / dehydrating tub, and the blower A dehumidifying mechanism having a wind path for blowing air, a heat source for heating air in the air path, and a heat exchanging section for cooling and dehumidifying hot and humid air discharged from the laundry, and surrounds the outer tub and the dehumidifying mechanism In a washer-dryer comprising an outer frame and an outer lid for putting the laundry in and out of the outer frame,
Washing and drying characterized by comprising a cover around the heat source for heating the air, the air passage for blowing air or the outer tub, or the heat source for heating the air, the air passage for blowing air, and the outer tub. Machine.   The washing / drying machine according to claim 6, wherein the heat source for heating the air, the air passage for blowing air, or the outer tub, or the heat source for heating the air, the air passage for blowing air, and the outer tub are provided. A washer-dryer characterized by comprising an insulating material. 7. The washing and drying machine according to claim 6, wherein a heat insulating material is provided inside the outer frame or an outer lid for putting the laundry in and out of the outer frame or an outer lid for putting the laundry in and out of the outer frame and the outer frame. A washer-dryer characterized by comprising.

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