TWI643994B - Dryer and washer dryer - Google Patents

Abstract

To remove wrinkles from laundry after a certain period of time after washing Fold, without attaching water droplets to the door or telescopic tube of the body, the clothes can be moistened and the wrinkles can be smoothed by high-speed warm air.

Suitable for dryer or washer-dryer The laundry-containing rotating drum, the motor driving the rotating drum, and the frame supporting the rotating drum perform drying operation by rotating the rotating drum. It is configured to include a blower means for generating wind to be blown on the clothes stored in the rotary drum during a drying operation for rotating the rotary drum, and a blower for directing the wind generated by the blower means to the rotary drum. In the main body of the outlet pipe, steam water is flowed in a drying air duct in which cooling water flows for the purpose of water cooling and dehumidification, and is accumulated and heated at the lower part of the outer tank to generate steam to impart moisture to the clothes in the rotating drum. For this purpose, high-speed warm air is blown to achieve the purpose of flattening the wrinkles of the clothes, and to prevent the water droplets from adhering to the clothes, the door (9), and the telescopic tube (10).

Description

Dryer and washer dryer

The present invention relates to a dryer and a laundry dryer provided with a means for drying clothes.

There is a kind of washing and drying machine, which directly blows high-speed wind to the clothes during the drying operation, thereby obtaining a drying result with less wrinkles. However, high-speed wind alone cannot remove wrinkles on clothes that have passed a certain time after washing or clothes that have been dried. Therefore, there is a washing and drying machine, which is structured to supply water in the middle of a pipe blowing high-speed wind, so that the wind in the pipe becomes mist-like and is supplied from a blowing outlet to a rotating drum, so that the clothes are humidified, and at a high speed The wind blows and wrinkles can be flattened (Japanese Patent Laid-Open No. 2010-082199).

[Prior technical literature]

[Patent Literature]

[Patent Document 1] Japanese Patent Laid-Open No. 2010-082199

As in Patent Document 1, for the purpose of removing wrinkles of clothes, in order to prevent the sprayed mist water from adhering to the inside of the door of the body or the telescopic tube to become water droplets and remaining, it is necessary to reduce the amount of water in Killed during running time. However, reducing the amount of mist-like water sprayed on clothes has the problem of reducing the effect of removing wrinkles.

The purpose of the present invention is to maintain the humidity of clothes, maintain the effect of reducing wrinkles, and further reduce the situation where water droplets remain on the door or the telescopic tube.

The present invention, as an example thereof, is a washing and drying machine having a washing tub for storing clothes, a motor driving the washing tub, and a frame supporting the washing tub, which performs a washing operation and a drying operation, and is provided with: : The air supply means is used to generate wind that is attached to the clothes stored in the laundry tank during the drying operation; the pipeline is used to guide the wind generated by the air supply means to the outlet of the laundry tank; And the drying air duct is cooling water for water cooling and dehumidification. The cooling water flowing in the drying air duct is warmed by the air supply means, and is blown to the clothes through the duct.

According to the present invention, there can be provided a washer-dryer which can Maintain the humidity of the clothes, maintain the effect of reducing wrinkles, and further reduce the situation of water droplets remaining on the door or the telescopic tube.

1‧‧‧frame

2‧‧‧ Outer Slot

2b‧‧‧drain

2c‧‧‧ (outer cover) opening

2d‧‧‧Outer slot cover

3‧‧‧Laundry and dehydration tank

3a‧‧‧ (for laundry and dehydration tank) opening

4‧‧‧ (for washing and dehydration tank driving) motor

5‧‧‧ suspension suspension

6‧‧‧ operation panel

7‧‧‧laundry tray

8‧‧‧ drying filter

9‧‧‧ gate

10‧‧‧ Telescopic tube

16‧‧‧Water supply solenoid valve

19‧‧‧ laundry detergent container

27‧‧‧filter air duct

28‧‧‧Air supply unit

28a‧‧‧ (for air supply unit drive) motor

28b‧‧‧fan case

29‧‧‧ drying duct

30‧‧‧ warm wind tunnel

30a‧‧‧Stomach tube

30b‧‧‧Snake belly tube joint

31‧‧‧heater

32‧‧‧ Outlet of warm air

32d‧‧‧Nozzle

33‧‧‧intake air duct

38‧‧‧control device

80‧‧‧ operation panel

81‧‧‧ laundry button

82‧‧‧washing and drying button

83‧‧‧ drying button

84‧‧‧start‧pause button

85‧‧‧Steam iron button

FIG. 1 is an external view showing a drum-type washer-dryer.

FIG. 2 is a perspective view showing a part of a housing of the drum-type washing machine illustrated in FIG. 1 and showing an internal structure.

FIG. 3 is a rear view showing the internal structure of the drum type washing machine of FIG. 1 with the back cover removed.

Fig. 4 is a side view showing the internal structure of the drum-type washing machine of the example shown in Fig. 1.

FIG. 5 is a plan view showing the internal structure of the upper portion of the casing of the drum-type washing machine illustrated in FIG.

FIG. 6 is a front view of the outer tank cover with the warm air blowing outlet of the drum-type washing machine of the example shown in FIG. 1 provided.

Fig. 7 is a cross-sectional view taken along the line A-A of the warm air blowing outlet of Fig. 6.

8 is a plan view showing an example of an operation panel of a drum-type washer-dryer according to an embodiment of the present invention.

FIG. 9 is a flowchart showing an example of drying steps of a drum-type washer-dryer according to an embodiment of the present invention.

In the following, an example of one embodiment of the present invention is used. Schematic description. The drying operation described in this specification refers to the end of evaporation of moisture from clothes and discharge of the evaporated moisture to the outside of the machine. It also includes adding moisture to the dried clothes and flattening wrinkles while evaporating water. Operational.

First, before describing one embodiment of the present invention, the structure of the washing and drying machine will be described with reference to FIGS. 1 to 5.

FIG. 1 is an external view of a drum-type washer-dryer. Fig. 2 is a perspective view showing a part of the housing cut away to show the internal structure, Fig. 3 is a rear view showing the back cover removed to show the internal structure, Fig. 4 is a side view showing the internal structure, and Fig. 5 is a view showing the internal structure. A plan view showing an internal structure with a part of the housing cut off and displayed.

The structure of the 1-series drum-type washer-dryer will be described with reference to the structure shown in FIG. 1 and subsequent figures. The frame 1 is mounted on the base 1h and is composed of left and right side plates 1a, 1b, a front cover 1c, a back cover 1d, an upper cover 1e, and a lower front cover 1f. The left and right side plates 1a and 1b are made of a box-shaped upper reinforcing material (not shown), a front reinforcing material (not shown), and a rear reinforcing material (not shown). The frame body 1 has sufficient strength as a frame body.

9 is a door that plugs the input port. The input port is provided at the approximate center of the front cover 1c and is used for clothes in and out. The door is supported by a hinge provided in the front reinforcing material to be opened and closed. The door 9 is released by pressing the door open button 9d to release the lock mechanism (not shown), and the door 9 is pressed against the front cover 1c to be locked and closed. The front reinforcing member has a circular opening for condensing clothes in and out concentrically with an opening of an outer groove described later.

6 is an operation panel provided in the center of the upper part of the housing 1, and includes a power switch 39, operation switches 12, 13 and a display 14. The operation panel 6 is electrically connected to a control device 38 provided at the lower portion of the housing 1.

3 series of cylindrical washing and dehydrating tanks (rotating drums) that are rotatably supported. The outer peripheral wall and the bottom wall have a plurality of through holes for water flow and ventilation, and the front end face is provided for clothes in and out. Of the opening 3a. A fluid balancer 3c integrated with the washing and dewatering tank 3 is provided outside the opening 3a. A plurality of lifters 3b extending in the axial direction are provided inside the outer peripheral wall. When the washing and dewatering tank 3 is rotated during washing and drying, the laundry system and the lifter 3b are repeatedly carried out along the outer peripheral wall by centrifugal force, and The action of falling by gravity. The central axis of rotation of the washing and dewatering tank 3 is horizontal or inclined so that the opening 3a side is high.

The 2 series cylindrical outer tank includes a washing and dewatering tank 3 coaxially inside, and has an opening at the front. A motor 4 is installed at the center of the outer side of the rear end surface. The rotating shaft of the motor 4 passes through the outer tub 2 and is combined with the washing and dewatering tub 3. An outer tank cover 2d is provided at the front opening to store water in the outer tank. In the center of the front side of the outer tank cover 2d, there is an opening portion 2c for loading and unloading clothes. The opening 2c is connected to the opening provided in the front reinforcing member by a rubber telescopic tube 10, and the door 9 is closed to seal the outer groove 2 with water. A drain port 2b is provided at the lowermost part of the bottom surface of the outer tank 2, and a drain pipe 26 is connected. A drain valve (not shown) is provided in the middle of the drain pipe 26. Water is accumulated in the outer tank 2 by closing the drain valve to supply water, and the water in the outer tank 2 is discharged to the outside by opening the drain valve.

The outer tank 2 is suspended by fixing the lower side to the base for 1 h A shock absorber 5 (composed of a coil spring and a damper) is provided for shockproof support. In addition, the upper side of the outer groove 2 is supported by a supplementary spring (not shown) attached to the upper reinforcing member to prevent the outer groove 2 from falling in the front-rear direction.

19 is a laundry detergent container provided on the left side of the upper part of the inside of the casing 1, and a pull-out laundry detergent tray 7 is installed from the front opening. When the laundry detergent is placed, the laundry detergent tray 7 is pulled out as shown by the two-dot chain line in FIG. 1. The laundry detergent container 19 is a reinforcing material fixed on the frame 1.

On the rear side of the laundry detergent container 19, parts for supplying water, such as a water supply solenoid valve 16 or a warm water supply pump 17, a water level sensor (not shown), are provided. The upper cover 1e is provided with a water supply pipe connection port 16a from a watercourse plug and a suction pipe connection port 17a for remaining warm water. The laundry detergent container 19 is connected to the outer tank 2 and the water supply solenoid valve 16 is opened or the warm water supply pump 17 is operated to supply laundry water to the outer tank 2.

29 is a drying air duct provided on the inner side of the back surface of the frame 1 in the longitudinal direction. The lower part of the air duct is connected to an air inlet 2a provided below the back surface of the outer tank 2 by a rubber bellows pipe 29a. A water-cooling dehumidification mechanism (not shown) is built in the drying air duct 29, and cooling water is supplied from the water supply solenoid valve 16 to the water-cooling dehumidification mechanism. The cooling water flows through the wall surface of the drying air duct 29, flows down, enters the outer tank 2 through the air inlet 2a, and is discharged through the drain 2b.

The upper part of the drying air duct 29 is connected to the filter air duct 27, and the filter air duct 27 is provided on the right side of the upper part in the housing 1 in the front-rear direction. An opening portion is provided in front of the filter air duct 27, and a draw-out type drying filter 8 is inserted into the opening portion. The air entering the filter air duct 27 from the drying air duct 29 is a mesh filter flowing into the drying filter 8 8a while removing cotton dust. Cleaning of the drying filter 8 is performed by pulling out the drying filter 8 and taking out the mesh filter 8a. Moreover, an opening is provided below the insertion part of the drying filter 8 of the filter air duct 27, and the opening is connected to the suction air duct 33, and the other end of the suction air duct 33 is connected to the suction of the air supply unit 28. Air port connection.

The air blowing unit 28 is composed of a driving motor 28a, a fan impeller (not shown), and a fan case 28b. A heater 31 is built in the fan case 28b to heat the air sent from the fan impeller. The outlet of the air blowing unit 28 is connected to the warm air duct 30. As shown in FIG. 6, the warm air duct 30 passes through a rubber bellows pipe 30 a and a bellows joint 30 b and is connected to a warm air blowing port 32 provided in the outer tank cover 2 d. In the example of this embodiment, the air blowing unit 28 is provided on the upper right side of the housing 1, so the warm air blowing outlet 32 is provided at the right diagonal position of the outer tank cover 2d, and the distance to the warm air blowing outlet 32 is shortened as much as possible.

A temperature sensor (not shown) is provided at the water outlet 2b and the air inlet and the air outlet of the air supply unit 28.

The washing and drying machine having the structure shown in FIGS. 1 to 5 is configured to directly blow clothes at a high speed during drying, and can use the wind to flatten the wrinkles occurring in the clothes. For this reason, the air supply unit 28 generating high-speed wind and the warm-air blowing outlet 32 which directly blows the wind to the clothes are necessary. The necessary performance of the air supply unit will be described later. The details of the warm air blowing port 32 will be described with reference to FIGS. 6 and 7. FIG. 6 is a front view of the slot cover 2d outside the installation portion of the warm air blowing outlet 32, and FIG. 7 is a cross-sectional view of the warm air blowing outlet 32 shown by cutting off at the two-point lock line A-A in FIG.

As shown in FIG. 6, the warm air blowing outlet 32 is provided along the opening 2 c from the front side of the outer tank cover 2 d, and has flow paths 32 b and 32 c formed therein. A bellows joint 30b is attached to the inlet of the warm air blowing outlet 32, and a nozzle 32d is formed at the outlet of the flow path 32c. In order to prevent the laundry from entering the gap between the washing and dewatering tank 3 and the outer tank cover 2d, the inner diameter of the opening portion 2c of the outer tank cover 2d and the inner diameter of the opening 3a of the washing and dewatering tank 3 are set to be almost the same. Therefore, the outlet portion 32a of the warm air blowing outlet 32 is formed to protrude inward from the inner peripheral surface of the opening portion 2c, and the nozzle 32d is opened toward the inside of the washing and dewatering tank 3. Thereby, the warm air from the nozzle 32d blows directly on the laundry in the washing and dewatering tank 3.

Here, if the amount of protrusion of the outlet portion 32a is too large, it will hinder the operation of the clothes during washing or drying. Therefore, as shown in FIG. 7, the nozzle 32d is formed into a flat slit shape to reduce the amount of protrusion and reduce the amount of protrusion. The surface shapes of the opening portion 2c and the outlet portion 32a change smoothly. In addition, the flow path 32b and the flow path 32c are made without unnecessary protrusions or sudden changes in the flow direction, and the flow path area is gradually reduced toward the nozzle 32d. In this way, it is possible to reduce the pressure loss or flow volume that occurs when high-speed wind flows through the flow paths 32b and 32c.

The flow of wind during the drying operation is as follows. When the air supply unit 28 is operated and the heater 31 is energized, high-speed warm air is blown into the washing and dewatering tank 3 from the nozzle 32d (arrow 41: FIG. 2, FIG. 4, FIG. 5), and the wet clothes are blown to make the clothes Heat up and allow water to evaporate from the clothes. The high-temperature and humid air flows from the through-holes provided in the washing and dewatering tank 3 to the outer tank 2 and is sucked into the drying air duct 29 from the suction port 2a, and from the drying air duct 29 Flow from bottom to top (arrow 42: Figures 2, 3, 4). On the wall surface of the drying air duct 29, the cooling water from the water-cooled dehumidification mechanism flows down, and the high-temperature and humid air system contacts the cooling water to perform cooling and dehumidification, and becomes dry low-temperature air and enters the filter air duct 27 (arrow 42). :image 3). The cotton dust is removed by the mesh filter 8a provided in the filter air duct 27 (arrow 43: Fig. 5), enters the air intake duct 33, and is sucked into the air supply unit 28 (arrow 43: Fig. 3). Then, the heater 31 is heated again (arrow 41: FIG. 4), and blown into the washing and dewatering tank 3 to circulate. During this period, the washing and dewatering tank 3 is rotated forward and reverse at a low speed, and the laundry is raised close to the vicinity of the nozzle 32d, so that the high-speed warm air directly blows the laundry.

As mentioned above, high-speed warm air is blown onto the clothes, so that the clothes can be dried without wrinkles. However, in the case of the structure shown in FIG. 1 to FIG. 7, the effect is only when the wet clothes are dried after washing, and when the clothes are dried for a certain period of time after washing, or after drying When there are wrinkles on your clothes, the removal of wrinkles will be incomplete.

Therefore, in the operation of setting a predetermined mode (steam iron stroke), there is a structure in which moisture is supplied to the clothes and high-speed warm air is blown so that the wrinkles can be easily flattened. When moisture is directly applied to the clothes, there is a possibility that the clothes, the door 9 or the telescopic tube 10 may end up in a state where water droplets are attached.

In this embodiment, the clothes, the door 9 and the telescopic tube 10 can be kept wet without being left with water droplets, and the wrinkles can be flattened by high-speed warm air. The details of the structure in which high-speed warm air is blown into the washing and dewatering tank 3 are the same as the structures described above with reference to FIGS. 1 to 7.

FIG. 8 is a diagram showing a configuration example of the operation panel 80 of the washing and drying machine according to this embodiment. The operation buttons are provided with a washing button 81, a washing and drying button 82, a drying button 83, a start and pause button 84, and the like, and each mode operation is started by pressing these buttons. In addition, a steam iron button 85 is provided, and when the steam iron button 85 is pressed, a drying operation in a steam iron mode is performed.

Fig. 9 is a flowchart showing processing during a drying operation in the steam iron mode.

The power switch is activated to perform status confirmation and initial setting (step S11), and the steam iron stroke is set by the user's operation (step S12). The setting of the steam iron stroke is performed by pressing the steam iron button 85 on the operation panel 80 shown in FIG. 8. This is used when the wrinkles on the dried clothes are flattened and finished.

After that, the start / pause button 84 is pressed to generate a start switch signal (step S13), and then the clothes are softened at a predetermined time (step S14).

In this softening step, the water supply solenoid valve 16 is closed to be in a state where no water is supplied, and the washing and dewatering tank 3 is rotated forward. At this time, the fan in the air-supply unit 28 is rotated at a high speed, and the heater 31 in the air-supply unit 28 is weakened to supply high-speed and warmed wind to a certain degree to the laundry-dehydration tank 3. The softening step is a relatively short step of about 1 minute.

After the laundry softening step is completed, a steam step is performed for a predetermined time (step S15).

In the steaming step, the water supply solenoid valve 16 is opened to supply water to the drying air duct 29. The washing and dewatering tank 3 is rotated reversely from left to right. At this time, the fan in the air-supply unit 28 is rotated at a high speed, and the heater 31 in the air-supply unit 28 is weakened to supply high-speed and warmed wind to a certain degree to the laundry-dehydration tank 3. The drain valve is maintained in a closed state, and the water accumulated in the lower part of the outer tank 2 through the drying air duct 29 is heated to generate steam to impart appropriate moisture to the laundry in the drum.

After the steaming step is completed, a drying step is performed for a predetermined time (step S16).

The drying step is the same as the steam step. The water supply solenoid valve 16 is opened to circulate water to the drying air duct 29, the fan in the air supply unit 28 is rotated at a high speed, and the heater 31 in the air supply unit 28 is weakened. And the wind heated to a certain degree is supplied to the washing and dewatering tank 3. At this time, although the drain valve is closed in the steam step, it is opened in the drying step to perform water cooling dehumidification. The drying step is a step performed until the end of the drying, and is a relatively long step such as tens of minutes.

After the drying step is completed, a cooling air supply step is performed for a predetermined time (step S17).

The heater 31 in the air blowing unit 28 is turned off. The water supply solenoid valve 16 is opened to supply cooling water to the drying air duct 29, and the washing and dewatering tank 3 is rotated in the reverse direction. The fan in the air blowing unit 28 is rotated at a high speed to supply high-speed air to the washing and dewatering tank 3. The air supply cooling step is a step for cooling clothes, and is a relatively short time step.

After that, the water supply solenoid valve 16 is closed to stop the water supply, and The fan in the air supply unit 28 is stopped, the drain valve is closed (step S18), and the drying of the steam iron stroke is ended.

In the steam step, the water supply solenoid valve 16 may be continuously opened, and may be repeatedly opened and closed. In addition, there are cases where the water supply solenoid valve 16 is opened at the same time as the steam step is entered, and there is also a case where the water supply solenoid valve 16 is opened after a period of time. Determine the timing, supply method, and supply amount of water to start by balancing the humidity and temperature of the clothes.

Moreover, in the drying step, the water supply solenoid valve 16 may be continuously opened, and may be repeatedly opened and closed. Moreover, there are cases where the water supply solenoid valve 16 is opened at the same time as the drying step is entered, and there are cases where the water supply solenoid valve 16 is opened after a certain period of time. In addition, the drain valve is opened and operated during the drying step for water cooling and dehumidification. However, the timing of the opening may also be operated at the same time as entering the drying step, and there may be a certain period of time after entering the drying step. Case. Moreover, there are cases where the drain valve is continuously opened during the drying step, and there are cases where it is opened intermittently. The opening / closing timing and opening / closing time of the water supply solenoid valve 16 and the drain valve are determined according to the closing and drying degree.

As described above, according to the washing and drying machine of this embodiment, when the steam iron stroke is set, the steam is supplied together with the high-speed wind to wet the clothes and dry the clothes to eliminate wrinkles. At this time, the door 9 can be avoided. Or, there is a disadvantage of water droplets remaining on the telescopic tube 10. When steam is directly blown into the drum, it is difficult to shorten the drying time in order to prevent water droplets from remaining on the clothes, the door 9, and the telescopic tube 10. It is necessary to reduce the amount of steam, but in this embodiment, it is possible to shorten the time without reducing the amount of steam. In addition, in order to supply the mist-like water from the blower outlet to the rotating drum, the water supply means provided in the pipeline is abolished, but instead, the steam water is flowed in a drying air duct for cooling water for water cooling and dehumidification, and Steam is accumulated and heated in the lower part of the outer tank to give moisture to the clothes in the drum, and high-speed warm air from the air outlet can be used to remove wrinkles. With this method, the moisture imparted to the clothes can be sufficiently ensured, and water for steam is not blown, so there is no disadvantage that water droplets adhere to the door or the telescopic tube.

In the above embodiment, the rotary drum-type washing and drying machine has been described as an example applicable to the integration of a washing machine and a drying machine. However, the same can also be applied to a washing machine without a washing function. The ground is provided with an air duct and a water supply function for sending high-speed wind. Moreover, it is applicable not only to a drum type but also an upright type.

Claims (4)

A washing and drying machine includes a washing tank for storing clothes, a motor driving the washing tank, and a frame supporting the washing tank. The washing and drying operation is carried out. In the aforementioned drying operation, wind is generated to be blown on the clothes stored in the washing tub; the pipeline is used to guide the wind generated by the aforementioned air supply means to the blowing outlet of the laundry tub; The cooling water used for water cooling and dehumidification is circulating; and the water supply means is to supply water or cooling water to the laundry tub and the drying air duct, and to cool the cooling water flowing in the drying air duct by the aforementioned air supply means, And blown to the clothes through the aforementioned pipe. The laundry dryer according to claim 1, wherein the water supply start timing of the water supply means is in a drying operation. The washing and drying machine according to claim 1 or 2, wherein the water supply means supplies water intermittently. The utility model relates to a dryer, which comprises a slot for storing clothes, a motor driving the slot, and a frame supporting the slot. The dryer is used for drying operation. The wind and pipes attached to the clothes are used to guide the wind generated by the aforementioned air supply means to the blowing outlets of the foregoing tanks; and the drying air ducts are cooling water for water cooling and dehumidification, which will flow through the drying The cooling water of the dry air duct is heated by the aforementioned air supply means, and is blown to the clothes through the aforementioned pipes.