JP2016198173A - Washing and drying machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a washing and drying machine capable of sprinkling a high concentration detergent liquid to clothing evenly and capable of shortening operation time.SOLUTION: A washing and drying machine includes: first high concentration detergent liquid supply means including a first circulation pump for supplying a high concentration detergent liquid into a rotary drum; a blower unit having a fan impeller and a fan motor for driving; a blowout port for blowing out air generated in the blower unit into the rotary drum; second high concentration detergent liquid supply means including a second circulation pump for supplying the high concentration detergent liquid to the upstream side of the blowout port; and a control device including a first circulation step (S150) of supplying the high concentration detergent liquid to the rotary drum by the first high concentration detergent liquid supply means, and a second circulation step (S160) of supplying the high concentration detergent liquid to the upstream side of the blowout port by the second high concentration detergent liquid supply means while supplying the air to the blowout port from the blower unit.SELECTED DRAWING: Figure 13

Description

  The present invention particularly relates to a washing and drying machine provided with means for spraying a high-concentration detergent solution on clothes.

  2. Description of the Related Art A washing and drying machine is known in which a detergent is dissolved in a small amount of water at the beginning of a washing process to produce a high-concentration detergent solution, which is sprayed on clothes and then supplied to a specified water level to perform the washing process. For example, Patent Document 1 includes a circulation pump that circulates water in an outer tub, and while rotating the drum at a low speed, a high-concentration detergent solution generated at the bottom of the outer tub is sprayed into the drum with a circulation pump. The washing and drying machine to be sprayed is described. Patent Document 2 is provided with a mechanism for generating high-speed wind, and is provided with a path for allowing the detergent liquid to flow upstream of the tank outlet (blower) in the air path. A washing and drying machine is described which produces a mist and sprays on clothing.

JP 2008-113982 A JP 2011-245035 A

  However, in the washing and drying machine described in Patent Document 1, since the high-concentration detergent liquid is sprayed in a certain amount in the drum, it is difficult to spread the high-concentration detergent liquid evenly on clothing. It was.

  In addition, in the washing and drying machine described in Patent Document 2, a high concentration detergent solution is pumped up by a circulation pump, and the high concentration detergent solution is misted and sprayed by a high-speed wind. Therefore, there is a problem that it is difficult to evenly and uniformly disperse the high-concentration detergent liquid on the clothing. Conversely, if the circulation flow rate is small, there is also a problem that it takes time to spray all the high-concentration detergent solutions.

  Then, this invention makes it a subject to provide the washing-drying machine which can spray a high concentration detergent liquid uniformly on clothes, and can shorten driving | running time.

  The present invention includes a housing, an outer tub that is supported in a vibration-proof manner in the housing, a rotating drum that is rotatably supported in the outer tub, a motor that rotationally drives the rotating drum, and a high-concentration detergent solution. High-concentration detergent liquid generating means, first high-concentration detergent liquid supply means including a first circulation pump for supplying the high-concentration detergent liquid into the rotary drum, a fan impeller, and a fan motor for driving A second high concentration unit comprising: a blower unit including: a blower outlet that blows out the wind generated by the blower unit into the rotary drum; and a second circulation pump that supplies the high-concentration detergent liquid to the upstream side of the blowout port. A detergent liquid supply means; and a control device that controls the rotating drum, the motor, the fan motor, the first circulation pump, and the second circulation pump, wherein the control device includes the first high-concentration detergent liquid. Supply means A first circulation step of supplying the high-concentration detergent liquid into the rotating drum, and an upstream side of the outlet by the second high-concentration detergent liquid supply means while supplying air from the blower unit to the outlet. And a second circulation step of supplying the high-concentration detergent solution to the first and second steps.

  ADVANTAGE OF THE INVENTION According to this invention, the washing-drying machine which can spray a high concentration detergent liquid uniformly on clothing, and can shorten spraying time can be provided.

It is an external appearance perspective view which shows the washing-drying machine which concerns on this invention. It is a side view which shows roughly the internal structure of the housing | casing of the washing-drying machine which concerns on this invention. It is a rear view which shows roughly the internal structure of the housing of the washing / drying machine which concerns on this invention. It is a perspective view which shows the 1st circulation pump and peripheral flow path of a washing-drying machine. It is a top view when a 1st circulation pump and a 2nd circulation pump are seen from upper direction. It is a perspective view when the circulation channel of a washing drier is seen from the back side of an outer tub cover. It is a top view which shows the internal structure of the housing | casing of the washing / drying machine of this invention. It is a front view which shows the connection state of an outer tank cover and a ventilation unit. The hot air duct is shown, (a) is a perspective view, (b) is a side view, (c) is a bottom view, and (d) is a sectional view taken along line BB of (c). It is the sectional view on the AA line of FIG. It is a bottom view which shows the modification of a warm air duct. It is a block diagram of a control device of a washing dryer according to the present invention. It is a flowchart which shows operation | movement of the washing-drying machine which concerns on this invention. It is a flowchart which shows the other operation | movement of the washing dryer based on this invention. It is a flowchart which shows other operation | movement of the washing-drying machine which concerns on this invention.

  Next, a drum-type washing / drying machine (washing / drying machine) according to an embodiment of the present invention will be described in detail with reference to the drawings as appropriate. In the following description, the front-rear, up-down, left-right directions are based on the front-back, up-down, left-right directions shown in FIG.

FIG. 1 is an external perspective view showing a washing / drying machine according to the present invention.
As shown in FIG. 1, the washing / drying machine S includes a housing 1 that forms an outer shell. The housing 1 includes left and right side plates 1a and 1b, a front cover 1c, a back cover 1d (see FIG. 2), an upper cover 1e, a lower front cover 1f, and a base 1h. In addition, the left and right side plates 1a and 1b of the housing 1 are coupled with a U-shaped upper reinforcing material (not shown), a front reinforcing material (not shown), and a rear reinforcing material (not shown), and a base 1h. A box shape is included.

  Near the center of the front cover 1c, there is provided a door 9 that closes an input port for taking in and out laundry. An operation panel 6 including a power switch 39, operation switches 13 and 15, a display 14 and the like is provided at the upper center of the front cover 1c. The operation panel 6 is electrically connected to a control device 60 (see FIG. 2) provided at the lower part of the housing 1.

FIG. 2 is a side view schematically showing the internal structure of the casing of the washing / drying machine of the present invention.
As shown in FIG. 2, the washing and drying machine S includes a housing 1, an outer tub 2 that is supported in a vibration-proof manner in the housing 1, a rotating drum 3 that is rotatably supported in the outer tub 2, A drum motor 4 (see FIG. 3) that rotationally drives the rotary drum 3, a blower unit 51, an outlet 52 that serves as an inlet for blowing the air (warm air) generated by the blower unit 51 into the rotary drum 3, and a high First high-concentration detergent liquid supply means 53 for supplying a concentrated detergent liquid into the rotary drum 3 and second high-concentration detergent liquid supply means for supplying a high-concentration detergent liquid upstream of the outlet 52 (high-concentration detergent liquid supply) Means) 54, tap water supply means 55 (see FIG. 7) for supplying tap water to the upstream side of the outlet 52, and a control device 60. The high concentration detergent solution means a detergent solution having a concentration (for example, 8 times) higher than the concentration of the detergent solution in the washing step.

  The outer tub 2 has a cylindrical shape, includes the rotating drum 3 coaxially, and has an open front surface. An outer tank cover 2 d that enables water storage in the outer tank 2 is provided at the opening on the front surface. In addition, the lower side of the outer tub 2 is supported in a vibration-proof manner by a damper 5 fixed to the base 1h. A rubber bellows 10 is provided at the opening of the outer tub 2 (outer tub cover 2d), and the outer tub 2 is sealed with water by closing the door 9.

  The rotating drum 3 is a cylindrical washing and dewatering tub that is rotatably supported, and has a large number of through holes (not shown) for water flow and ventilation on its outer peripheral wall and bottom wall, and is provided at the front end face. Is provided with an opening 3a for taking in and out the laundry. A fluid balancer 3c that rotates integrally with the rotary drum 3 is provided on the outer peripheral side of the opening 3a. Further, a lifter 3 b for lifting the laundry is provided on the inner peripheral wall of the rotating drum 3. Further, the rotation center axis of the rotary drum 3 is inclined so that the horizontal or opening 3a side becomes higher.

  The blower unit 51 includes a blower 51a and a heater 51b, and is fixed to a reinforcing material (not shown) in the housing 1. The blower 51a includes a driving motor 24a (fan motor), a fan impeller 24b (see FIG. 10), and a fan case 24c. The fan case 24c has a built-in heater 51b for heating the air sent from the fan impeller 24b. The heater 51b is composed of a PTC (Positive Temperature Coefficient) heater or the like.

  A discharge port 51 c of the blower unit 51 is connected to the hot air duct 26. The hot air duct 26 is connected to a rubber bellows tube 27, and the bellows tube 27 is connected to a blowout port 52 provided in the outer tank cover 2 d via a bellows tube joint 28.

  The first high-concentration detergent liquid supply means 53 includes a first circulation pump 53a, a bellows hose 53b1 that supplies the high-concentration detergent liquid pumped up by the first circulation pump 53a into the rotary drum 3 like a shower, and a supply flow path. 53b2 (partially omitted).

  The second high-concentration detergent liquid supply means 54 includes a second circulation pump 54 a and a supply pipe 54 b that supplies the high-concentration detergent liquid pumped up by the second circulation pump 54 a to the upstream side of the outlet 52. It is configured. The second circulation pump 54a pumps up a high-concentration detergent liquid having a lower flow rate than the first circulation pump 53a. The supply pipe 54b is configured by a flow path having a smaller diameter than the supply pipe 53b.

  A drying duct 29 is arranged inside the back surface of the housing 1. The drying duct 29 is connected to an intake port provided at the rear portion of the outer tub 2 via a rubber bellows hose 29a. A known water-cooled dehumidifying mechanism (not shown) is built in the drying duct 29. A heat pump may be used instead of the heater and the water-cooled dehumidifying mechanism.

  One end of the drainage hose 19 is connected to the water discharge port of the first circulation pump 53a, and the other end extends outside the machine. Further, the drainage hose 19 is provided with a drainage valve 25 in the middle of extension in the machine.

FIG. 3 is a rear view schematically showing the internal structure of the casing of the washing / drying machine of the present invention.
As shown in FIG. 3, a water supply port 2 a for supplying water and detergent into the outer tub 2 is provided at the rear side of the outer tub 2. The water supply port 2 a is connected to the detergent tray 7 (see FIG. 1) and a rubber bellows hose 17.

  The drum motor 4 is attached to the outer center of the rear end face of the outer tub 2. The rotating shaft of the drum motor 4 passes through the outer tub 2 and is coupled to the rotating drum 3.

  On the upper rear portion of the outer tub 2, water supply related parts such as a water supply electromagnetic valve 11, a bath water absorption pump 12, and a water level sensor 34 (see FIG. 7) are provided. The top cover 1e is provided with a water supply hose connection port 11a from a water tap and a water absorption hose connection port 12a for remaining hot water in the bath. The water level sensor 34 (see FIG. 7) detects the water level in the outer tub 2 and is provided at the lowermost portion of the rear end face of the outer tub 2, and is a known air trap (not shown) or tube (not shown). It is constituted by.

  The water supply electromagnetic valve 11 includes a main water supply electromagnetic valve 11b, a finishing agent water supply electromagnetic valve 11c, a cooling water supply electromagnetic valve 11d, a mist water supply electromagnetic valve 11e, and the like.

  The main water supply electromagnetic valve 11b supplies tap water from the water supply hose connection port 11a to the outer tub 2 through a detergent charging chamber (not shown) of the detergent tray 7 (see FIG. 1). The tap water supplied to the detergent charging chamber is poured into the outer tub 2 through the bellows hose 17 together with the introduced detergent.

  The finishing agent water supply electromagnetic valve 11c supplies tap water from the water supply hose connection port 11a to a finishing agent charging chamber (not shown) of the detergent tray 7 (see FIG. 1) through a water supply path (not shown). The tap water poured into the finishing agent charging chamber is poured into the outer tub 2 through the bellows hose 17 together with the finishing agent (softener) added.

  The cooling water supply electromagnetic valve 11d supplies tap water from the water supply hose connection port 11a to a water cooling / dehumidifying mechanism (not shown) of the drying duct 29 through a water supply path (not shown).

  The mist water supply electromagnetic valve 11e supplies the tap water from the water supply hose connection port 11a to the upstream side of the outlet 52 (see FIG. 2) through the water supply pipe 55a (see FIG. 7).

  4 is a perspective view showing the first circulation pump and the peripheral flow path of the washing / drying machine, FIG. 5 is a plan view of the first circulation pump and the second circulation pump as seen from above, and FIG. 6 is the washing drying. It is a perspective view when the circulation flow path of a machine is seen from the back side of the outer tank cover. 4 and 6, illustration of the second circulation pump 54a and the supply pipe 54b is omitted.

  As shown in FIG. 4, the first circulation pump 53 a includes a casing 42 formed integrally with the filter case 23 and a circulation pump motor 47. In the casing 42, discharge ports 44 and 45, a water inlet port 23a (see FIG. 5) and a water outlet port 23b (see FIG. 5) are formed.

  The discharge port 45 is connected to the joint 18 a via the bellows hose 40. The joint 18 a is provided in the inlet 18 formed so as to face the recess 2 f at the bottom of the outer tub 2.

  As shown in FIG. 5, the first circulation pump 53 a includes a substantially circular suction port 43 that connects the filter case 23 and the casing 42. The suction port 43 is formed coaxially with the impeller 46 of the first circulation pump 53a.

  The second circulation pump 54a is connected to the opposite side of the filter case 23 from the suction port 43 via a substantially circular suction port 54c. A supply pipe 54b is connected to the second circulation pump 54a, and an end of the supply pipe 54b is connected to the hot air duct 26 (see FIG. 7).

  As shown in FIG. 6, the discharge port 44 is connected to the circulation flow path 53b2 (53b) provided on the inner peripheral wall of the outer tank cover 2d via the bellows hose 53b1 (53b). The bellows hose 53 b 1 and the circulation channel 53 b 2 constitute a circulation path from the bottom of the outer tub 2 to the top of the outer tub 2. The circulation channel 53b2 is connected to a nozzle 53c provided at the edge of the opening 2d1 of the outer tank cover 2d. The nozzle 53 c is formed in a slit shape along the circumferential direction, and supplies washing water into the rotating drum 3 in a thin film shape.

  When the circulation pump motor 47 of the first circulation pump 53a is rotated forward with the drain valve 25 (see FIG. 2) closed, the washing water in the outer tub 2 flows from the drain port 21 (see FIG. 2) to the bellows hose 22 (see FIG. 2). 4), the foreign matter is removed by a filter (not shown) in the filter case 23 (see FIG. 4). Thereafter, the washing water enters the first circulation pump 53a, is discharged from the discharge port 44, is sent to the circulation flow path 53b2, and is then sprinkled from the nozzle (not shown) into the rotary drum 3 (see FIG. 1). .

  When the circulation pump motor 47 of the first circulation pump 53a rotates in reverse, the washing water in the outer tub 2 passes through the bellows hose 22 from the drain port 21 (see FIG. 2), and the filter in the filter case 23 (not shown). To remove foreign matter. Thereafter, the washing water enters the first circulation pump 53a, is discharged from the discharge port 45, and returns into the outer tub 2 through the bellows hose 40 and the joint 18a. In the present embodiment, the first circulation pump 53a and the bellows hoses 22 and 40 constitute high-concentration detergent liquid generating means.

FIG. 7 is a top view showing the internal structure of the casing of the washing / drying machine of the present invention. In FIG. 7, the right side half shows the internal structure, and the left half shows a state seen through from above.
As shown in FIG. 7, the tap water supply means 55 supplies tap water to the upstream of the blower outlet 52 (refer FIG. 2), and is provided with the water supply pipe 55a. One end of the water supply pipe 55 a is connected to the mist water supply electromagnetic valve 11 e (see FIG. 3) of the water supply electromagnetic valve 11, and the other end is connected to the hot air duct 26 on the downstream side of the blower unit 51.

  The supply pipe 54 b of the second high-concentration detergent liquid supply means 54 extends from the lower part to the upper part of the front of the outer tub cover 2 d and is connected to the hot air duct 26 on the downstream side of the blower unit 51.

FIG. 8 is a front view showing a connection state between the outer tub cover and the blower unit. FIG. 8 illustrates a state where the outer tub cover 2d and the blower unit 51 are connected.
As shown in FIG. 8, a bellows pipe joint 28 is formed integrally with the outer tub cover 2d. In the bellows pipe joint 28, a connection port 28a to which the bellows pipe 27 is connected is formed on the front surface side of the outer tank cover 2d. The connection port 28a faces the radially outer side (upper right side) of the outer tub cover 2d.

  The blower outlet 52 is formed at the edge of the opening 2d1 of the outer tub cover 2d and faces the radial center of the outer tub cover 2d.

  The bellows tube 27 extends in the vertical direction, has a lower end connected to the connection port 28 a and an upper end connected to the hot air duct 26.

  The hot air duct 26 extends rearward from the upper end of the bellows tube 27 and is connected to the blower unit 51. A drying filter unit 56 that removes dust and the like during the drying operation is provided on the upstream side of the blower unit 51.

9A and 9B show a hot air duct, where FIG. 9A is a perspective view, FIG. 9B is a side view, FIG. 9C is a bottom view, and FIG. 9D is a sectional view taken along line BB in FIG. FIG. 8 shows a single unit of the warm air duct 26 from which the upstream air blowing unit 51 and the downstream bellows tube 27 are removed.
As shown in FIGS. 9A and 9B, the hot air duct 26 includes a duct portion 26a having an air passage therein, a connection opening 26b to which an outlet of the blower unit 51 (see FIG. 1) is connected, And a connection opening 26c to which the bellows tube 27 is connected. The connection opening 26b has a substantially elliptical shape (flat shape), and the connection opening 26c has a circular opening.

  Further, in the hot air duct 26, a connection part 26d to which the supply pipe 54b of the second high-concentration detergent liquid supply means 54 is connected and a connection part 26e to which the water supply pipe 55a of the tap water supply means 55 is connected are close to each other. And projecting. The connecting portion 26d and the connecting portion 26e have a tubular shape protruding toward the side and are arranged in parallel to each other. Thus, by projecting the connecting portions 26d and 26e toward the side (leftward), it is possible to prevent the air path of the dry filter unit 56 located above from being obstructed.

  As shown in FIG. 9C, nozzles 26d1, 26e1 projecting into the flow path Q in the duct portion 26a are formed at the tips of the connection portions 26d, 26e. Further, a supply port 26d2 through which a high-concentration detergent solution is discharged is formed on the peripheral surface (side surface) at the tip of the nozzle 26d1. A supply port 26e2 through which tap water is discharged is formed on the peripheral surface (side surface) at the tip of the nozzle 26e1. The opening area of the supply port 26d2 is formed larger than the opening area of the supply port 26e2, in other words, the supply amount of the high-concentration detergent liquid is larger than the supply amount of tap water.

  As shown in FIG. 9D, the nozzle 26e1 is located upstream of the nozzle 26d1 in the flow of wind. That is, the tap water supply port 26e2 is located upstream of the high concentration detergent solution supply port 26d2. The supply ports 26d2 and 26e2 face the downstream side of the wind flow. That is, the supply ports 26d1 and 26e1 face the opposite side to the side to which the wind (air) from the blower unit 51 is supplied. Thereby, it is possible to prevent the supply of the high-concentration detergent liquid from the supply port 26d2 from being hindered by the wind pressure, and similarly, the supply of tap water from the supply port 26e2 is hindered by the wind pressure. Can be prevented.

10 is a cross-sectional view taken along line AA in FIG.
As shown in FIG. 10, when the blower unit 51 is driven, the fan impeller 24b is rotated by the motor 24a, and high-speed wind is generated. The high-speed wind blows out from the air outlet 52 through the hot air duct 26, the bellows pipe 27 and the bellows pipe joint 28. When the second circulation pump 54a (see FIG. 2) is driven simultaneously with the blower unit 51, the high-concentration detergent liquid generated at the bottom of the outer tub 2 is pumped up through the supply pipe 54b (see FIGS. 2 and 5), and the supply port 26d2 is supplied to the flow path Q in the hot air duct 26. The high-concentration detergent liquid supplied from the supply port 26d2 comes into contact with the high-speed wind supplied from the blower unit 51, so that the high-concentration detergent liquid becomes mist. The highly concentrated detergent liquid that has been misted is blown out from the blowout port 52 into the rotary drum 3 through the hot air duct 26, the bellows tube 27, and the bellows tube joint 28.

And it diffuses in the rotating drum 3 with high-speed wind, adheres to the laundry, and allows the high-concentration detergent solution to penetrate into the laundry substantially uniformly. The amount of the high-concentration detergent solution is preferably set according to the air volume and the wind speed in order to efficiently mist and spread the laundry uniformly. For example, when the air volume is 1.5 m ³ / min and the wind speed is 100 m / s, about 0.05 to 3.0 L / min is preferable.

  Further, when the supply of the high concentration detergent solution 26d2 is completed, the second circulation pump 54a is stopped. Then, the mist water supply electromagnetic valve 11e is opened, and the tap water flows through the water supply pipe 55a (see FIG. 7) and is supplied from the supply port 26e2. The tap water supplied from the supply port 26e2 comes into contact with the high-speed wind supplied from the blower unit 51, so that the tap water becomes mist. The misted tap water passes through the warm air duct 26, the bellows pipe 27, and the bellows pipe joint 28, and cleans the high-concentration detergent solution adhering to the wall surface of the flow path Q to the blowout port 52. At this time, since the tap water supply port 26e2 is located upstream of the high concentration detergent solution supply port 26d2, the entire flow path to which the high concentration detergent solution adheres can be washed.

FIG. 11 is a bottom view showing a modification of the hot air duct.
As shown in FIG. 11, the hot air duct 26A includes a connecting portion 26f to which a supply pipe 54b (see FIGS. 2 and 7) to which a high-concentration detergent solution is supplied is connected, and a water supply pipe 55a to which tap water is supplied. A connecting portion 26g to which the connecting portion 26g (see FIG. 7) is connected is provided. The joining portion 26h is configured as a nozzle 26i composed of a single flow path, and the nozzle 26i projects into the flow path Q of the duct portion 26a. A supply port 26i1 is formed on the peripheral surface (side surface) of the tip of the nozzle 26i. Further, the supply port 26i1 is formed facing the downstream side of the wind flow, thereby preventing the supply of the high-concentration detergent solution and tap water from being hindered by the wind pressure.

  In this way, by configuring the high-concentration detergent solution and tap water with the common nozzle 26i, it is possible to reduce the obstruction of the wind flow compared to the case where the nozzles are provided separately. Further, by supplying the tap water after supplying the high concentration detergent solution with the common nozzle 26i, the high concentration detergent solution adhering to the tip of the nozzle 26g can be washed, and after supplying the high concentration detergent solution, the nozzle It is possible to prevent the high-concentration detergent solution from dripping from the tip of 26i.

  Further, the supply pipe 54b of the second high-concentration detergent liquid supply means 54 (high-concentration detergent liquid supply means) and the supply pipe 55a of the tap water supply means 55 are connected to a hot air duct fixed to the housing 1 side. As a result, the assemblability can be improved and the wear during operation can be reduced as compared with the case where the supply pipes 54b and 55a are provided on the movable portion, which is advantageous in terms of quality.

FIG. 12 is a block diagram of the control device for the washer / dryer according to the present invention.
As shown in FIG. 12, the control device 60 includes a microcomputer 50, a drive circuit 64, and the like, and also includes an on / off signal of the operation switches 13 and 15 and an input circuit 65 for output signals from various sensors. Further, the control device 60 acquires various information signals in the user's operation, washing process (washing process, rinsing process, dehydration process), and drying process via the microcomputer 50. Further, the control device 60 is configured such that the microcomputer 50 rotates the drum motor 4 through the drive circuit 64, opens / closes the water supply electromagnetic valve 11 and the drain valve 25, rotates the first circulation pump 53a and the second circulation pump 54a, and blows air. It controls ON / OFF of rotation of the motor 24a of the unit 51 and energization of the heater 51b. Further, the control device 60 controls the display 14, the light emitting element 66 and the buzzer 67 in order to inform the user of information related to the washing / drying machine S.

The control device 60 is activated when the power switch 39 is pressed and the power is turned on, and executes a basic control processing program for washing and drying as shown in FIG. FIG. 13 is a flowchart showing the operation of the washing / drying machine according to the present invention.
As shown in FIG. 13, in step S100, the control device 60 performs state check and initial setting of the washing / drying machine.

  In step S110, the control device 60 lights up the display 14 (see FIG. 1) of the operation panel 6 (see FIG. 1), and sets a washing course according to an instruction input from the operation switch 13 (see FIG. 1). When no instruction is input, the standard washing course or the previous washing course is automatically set.

  In step S120, the control device 60 determines whether or not the operation switch (start switch) 15 of the operation panel 6 is turned on. If the start switch is turned on (Yes), the process proceeds to step S130, where the start switch is turned on. If it is not ON (No), the start switch instruction input is monitored. Further, when the start switch is turned on, the control device 60 reads the corresponding operation pattern from the operation pattern database based on the input operation course, and proceeds to step S130.

  In step S <b> 130, the control device 60 detects the weight (cloth amount) of the laundry put into the rotary drum 3. This cloth amount is detected by the drum motor while the rotary drum 3 is rotated in one direction in the dry cloth state before the washing water is supplied while the speed is increased from a specified rotational speed to another specified rotational speed. 4 is performed based on the integrated drive current value. Then, the control device 60 performs a map search based on the detected cloth amount, the electric conductivity (hardness) of water by a hardness sensor (not shown), the water temperature by a temperature sensor 62 (see FIG. 12), etc. Determine the time and rotational speed of the rotating drum. Then, the control device 60 displays the obtained detergent amount and operation time on the display 14 of the operation panel 6.

  In step S140, the control device 60 executes a high-concentration detergent liquid generation step. The user pulls out the detergent tray 7 and puts in the detergent tray 7 the amount of detergent powder displayed on the display 14. The control device 60 waits for a time necessary for the user to put the detergent into the detergent tray 7 (for example, 1 minute), and then opens the main water supply electromagnetic valve 11 b of the water supply electromagnetic valve 11 and supplies it to the detergent tray 7. The powder detergent passes through the bellows hose 17 together with the water supplied, and flows down from the water supply port 2a of the outer tub 2 to the recessed portion 2f of the outer tub 2.

  And since the water from the water supply port 2a flows along the internal peripheral surface of the outer tank 2, water and detergent do not flow into the rotating drum 3. Thereby, it is possible to prevent the occurrence of discoloration and uneven color due to the undissolved powder detergent directly touching the laundry.

  When the detergent is a liquid detergent, a room for liquid detergent is provided in the detergent tray 7 in order to prevent the high-concentration liquid detergent from flowing into the outer tub 2 before the main water supply electromagnetic valve 11b is opened. And is supplied to the outer tub 2 while being diluted with the water supplied from the main water supply electromagnetic valve 11b.

  And the control apparatus 60 will stop water supply, if a detergent melt | dissolves and it supplies water to a water level. The amount of water supply is controlled according to the amount of detergent (cloth amount), and is set lower than the water level in the washing step, for example. The water supply amount is controlled by the water level sensor 34. This amount of water is set, for example, so that the detergent concentration is 10 times the maximum. Here, the detergent concentration is defined as 1 times the standard concentration designated by the detergent manufacturer (in a general powder synthetic detergent, the concentration when 20 grams of detergent is dissolved in 30 liters of water).

  And the control apparatus 60 energizes the circulation pump motor 47, reversely rotates the 1st circulation pump 53a, and performs detergent melt | dissolution. Water and detergent accumulated in the bottom of the outer tub 2 and the recess 2f pass through the drainage port 21 through the bellows hose 22 and the filter case 23 and enter the casing 42 through the suction port. Then, it is ejected from the discharge port 45 and circulates through the bellows hose 40 and returns from the inflow port 18 to the recess 2f. As the detergent is stirred by the runner blades of the first circulation pump 53a, dissolution proceeds and a high-concentration detergent liquid is generated. The time for dissolving the detergent is set to 10 seconds, for example.

  In step S150, the control device 60 executes shower spraying of the high-concentration detergent liquid (first circulation step). That is, the control device 60 rotates the first circulation pump 53a forward so that the high-concentration detergent liquid accumulated in the bottom of the outer tub 2 and the recessed portion 2f passes the bellows hose 22 and the filter case 23 from the drain port 21. It enters the casing 42 through the passage inlet. Then, it is ejected from the discharge port 44, passes through the bellows hose 53b1 and the circulation flow path 53b2, and is supplied into the rotary drum 3 from the nozzle 53c. For example, when 10 liters of high-concentration detergent solution is produced, 7 liters out of 10 liters are supplied over a predetermined time (for example, 2 to 3 seconds).

  In step S160, the control device 60 executes mist spraying of the high-concentration detergent solution (second circulation step). That is, the control device 60 drives the second circulation pump 54a, so that the high-concentration detergent liquid remaining in the bottom of the outer tub 2 and the recess 2f passes through the supply pipe 54b and is upstream of the outlet 52. The hot air duct 26 is supplied. At this time, by supplying current to the air blowing unit 51 (fan motor 24a and heater 51b) and supplying hot air to the hot air duct 26, the high-concentration detergent liquid supplied from the supply port 26e1 is supplied to the high concentration detergent liquid from the air blowing unit 51. When the hot air comes into contact, the high-concentration detergent liquid becomes mist. For example, when 10 liters of high-concentration detergent solution is produced, the remaining 3 liters are supplied in mist form.

  Thus, the washing power of the laundry can be improved by making the high-concentration detergent liquid mist with warm air and sprinkling the mist of the high-concentration detergent liquid with high temperature on the laundry. Moreover, a detergent can be effectively mixed with tap water by using warm air. In addition, it is not necessarily limited to warm air, You may make it mist-form by applying the wind which is not heated in the state which turned off the heater 51b.

  In step S170, the control device 60 supplies water into the outer tub 2 and cleans the detergent flow path. That is, the control device 60 opens the main water supply electromagnetic valve 11b and supplies water until the water level necessary for the washing process is reached. At the same time, the control device 60 opens the mist water supply electromagnetic valve 11e and supplies it from the supply port 26e2 of the nozzle 26e1 formed in the hot air duct 26 via the supply pipe 54b. Further, the control device 60 drives the blower unit 51 so that the heated high-speed air (warm air) passes through the hot air duct 26, the bellows tube 27, and the bellows tube joint 28 from the air outlet 52 into the rotary drum 3. To supply. Thereby, tap water collides with a high-speed wind (warm air), and tap water becomes mist.

  The misted tap water is discharged from the outlet 52 after washing the detergent solution adhering to the inner wall surface of the hot air duct 26, the inner wall surface of the bellows tube 27, and the inner wall surface of the bellows tube joint 28. As a result, even if the drying process is performed after the high concentration detergent solution is supplied in a mist form from the outlet 52 and the washing process (washing, rinsing, dehydration) is performed, the detergent adheres to the detergent channel (air channel). As a result, it is possible to prevent the occurrence of mold and the like, and to keep the air passage clean and hygienic.

  In the washer / dryer S, the tap water supply port 26e1 is provided on the upstream side of the flow of air from the supply port 26e1 of the high-concentration detergent solution (mist), so that the entire wall surface of the air passage to which the detergent solution adheres Can be washed.

  Thus, the cleaning power which removes the stain | pollution | contamination of a detergent can be improved by making tap water mist with warm air, and wash | cleaning a detergent flow path (wind path). In addition, it is not necessarily limited to warm air, You may make it mist-form by applying the wind which is not heated in the state which turned off the heater 51b.

  In addition, when washing | cleaning detergent liquid with tap water, it is not limited to the structure which mist-converts tap water, wash | cleans and supplies tap water, and does not mist tap water (blower unit 51 may be combined with a configuration in which the liquid is supplied in a liquid state. For example, after supplying the misted tap water first, liquid tap water may be supplied to wash away the wall surface of the detergent channel (air channel).

  In step S180, the control device 60 executes a washing process. In this washing process, pre-washing is performed, and the rotating drum 3 is rotated forward and backward (from 35 to 45 rotations per minute) while the circulation pump motor 47 is energized to rotate the first circulation pump 53a forward. The washing water at the bottom of the tank 2 is dropped onto the laundry from the nozzle 53c. The laundry is lifted by the lifter 3b provided on the inner peripheral wall surface of the rotating drum 3, and repeats the falling motion. The rotation of the rotary drum 3 and the operation of the first circulation pump 53a are intermittently performed, and the water supply electromagnetic valve 11 is opened while referring to the detection signal of the water level sensor 34 during the stop period of the rotation drum 3 and the first circulation pump 53a. Execute makeup water so that the water level does not exceed the set water level. By repeating this operation a plurality of times, the washing is soaked evenly.

  At the time of forward and reverse rotation of the first rotating drum 3, washing water having a detergent concentration of about 10 times falls on the laundry and penetrates into the laundry. Since the high-concentration washing water is sprayed while spreading in a thin film form from the nozzle 53c, it penetrates the laundry evenly by the penetration action of the detergent. When there is a lot of laundry, the wash water from the nozzle 53c is difficult to reach the laundry near the outer periphery of the rotary drum 3, but it can be rotated by rotating the rotary drum 3 during the spraying of the high-concentration detergent solution in step S180. Since the washing water penetrates into the laundry from the outer peripheral side of the drum 3, the washing water penetrates into the entire laundry. In addition, since the high-concentration washing water that has penetrated into the laundry contains a lot of micelles, the effect of dissolving oil stains and raising the stains from the laundry is very large, and high detergency can be obtained.

  Moreover, the reach | attainment distance of a shower can be changed by changing the flow rate by increasing / decreasing the rotational speed of the 1st circulation pump 53a, and it can spread uniformly with the laundry. That is, if the rotation speed is decreased and the flow rate is reduced, the shower can be sprayed on the laundry on the front side of the rotating drum 3, and if the rotation speed is increased and the flow rate is increased, the shower is located on the back side of the rotating drum 3. Can be spread on laundry.

  Further, the control device 60 performs the main washing in the washing process. That is, the first circulating pump 53a is rotated forward and backward while rotating the rotating drum 3 forward and backward (from 35 to 45 rotations per minute), and the washing water accumulated at the bottom of the outer tub 2 is dropped onto the laundry from the nozzle 53c. Finally, the operation of the first circulation pump 53a is stopped to stop the circulation of the washing water, and the operation of loosening the laundry is performed while rotating the rotating drum 3 forward and backward in a short cycle, and the main washing is finished.

  In step S190, the control device 60 executes a drainage / dehydration process. First, the drain valve 25 is opened, the water in the outer tub 2 is drained, and the water level sensor 34 detects that the drainage is complete, and then the rotating drum 3 is rotated in one direction to wash the laundry contained in the laundry. Centrifuge the water.

  In step S200, the control device 60 opens the main water supply electromagnetic valve 11b and supplies water to the bottom of the outer tub 2 from the water supply port 2a until the set water level is reached.

  In step S210, the control device 60 executes a rinsing process. Similarly to the main washing, the first circulating pump 53a is rotated forward and forward while rotating the rotating drum 3 forward and backward (from 35 to 45 rotations per minute), and the rinse water accumulated at the bottom of the outer tub 2 is discharged from the nozzle 53c. Cycle to sprinkle on the laundry and rinse.

  Then, while the rotation of the rotary drum 3 and the operation of the first circulation pump 53a are stopped, the level of rinse water collected at the bottom of the outer tub 2 is detected by the water level sensor 34 so that the water level does not exceed the set water level. I do. The rinsing water that comes out of the nozzle 53c is applied to the laundry in a thin film form, so that it is applied evenly to the laundry, so that the detergent components contained in the laundry can be diluted efficiently and the rinsing performance can be improved. Thereafter, in a state where the first circulation pump 53a is stopped and the circulation of the rinse water is stopped, the rotary drum 3 is rotated forward and backward in a short cycle to perform the loosening operation.

  Further, the second rinsing rinse is executed. In this second rinsing, the finishing agent water supply electromagnetic valve 11c is opened and water is supplied to the soft finish agent input chamber of the detergent tray 7, thereby introducing the soft finish agent in the soft finish agent input chamber into the bottom of the outer tub 2. Add control to Other operations are performed in the same manner as the first rinsing.

  In step S220, the control device 60 performs a drainage / dehydration step (final dehydration). The final dehydration is performed by operating the drum motor 4 so as to rotate the rotating drum 3 in one direction at a high speed with the drain valve 25 opened, and centrifugally dewatering the laundry in the rotating drum 3. The operation time for the final dehydration is set to a time for obtaining a desired dehydration rate.

  In step S230, the control device 60 determines whether or not the washing / drying course is set. If the washing / drying course is set (Yes), the process proceeds to step S240, and the washing / drying course is set. If not (No), the process is terminated.

  When the washing / drying course is set, in step S240, the control device 60 executes a drying process. In this drying process, the drainage valve 25 is left open, and the outer tub is operated by operating the blower unit 51 provided in the middle of the drying duct 29 while rotating the rotating drum 3 forward and backward as in the washing process. 2 is sucked into the drying duct 29, and when passing through the drying duct 29, the cooling water that flows down from the water-cooling dehumidification mechanism installed in the drying duct 29 (the cooling water supply electromagnetic valve 11d is opened and supplied) And then dehumidifying by cooling and collecting lint through a lint filter 8 (see FIG. 7), heating the air (wind) by the heater 51b and then blowing it into the rotating drum 3 from the hot air outlet 52. . The drying process ends when the temperature change rate reaches a predetermined value while monitoring the temperature of the hot air with the temperature sensor.

  By the way, in the washing / drying machine provided only with the first high-concentration detergent liquid supply means 53 (the one that sprays the high-concentration detergent liquid in the shower), in order to improve the cleaning power, the first circulation pump 53a to the rotary drum 3 The path is formed thick, so that the high-concentration detergent liquid cannot be sprayed for a long time, and the high-concentration detergent liquid does not soak into the entire laundry. Further, since the high-concentration detergent solution remains in the path from the first circulation pump 53a to the shower outlet (nozzle 53c), it is not possible to use all of the generated high-concentration detergent solution. Further, in a washing / drying machine provided with only the second high-concentration detergent liquid supply means 54 (which disperses the high-concentration detergent liquid with mist), if the circulation flow rate is small, it takes time to finish spraying the laundry. Conversely, if the circulation flow rate is increased in order to shorten the operation time, it becomes difficult to make mist when the detergent liquid hits the wind. Therefore, in the washing and drying machine S, the first high concentration detergent liquid supply means 53 supplies the high concentration detergent liquid into the rotary drum 3 (S150), and the high speed from the blower unit 51 toward the outlet 52 is high. The second high concentration detergent liquid supply means 54 includes a second circulation step (S160) for supplying the high concentration detergent liquid to the upstream side of the outlet 52 while supplying the air. The second high-concentration detergent liquid supply means allows the high-concentration detergent liquid to penetrate the entire laundry, so that the cleaning power can be improved, and the first high-concentration detergent liquid supply means and the second high-concentration liquid supply means By using together with the detergent liquid supply means, it becomes possible to shorten the operation time.

  In the washer / dryer S, the control device 60 controls the first circulation step to be executed before the second circulation step. According to this, it becomes possible to further shorten the operation time. That is, when the second circulation step is executed first, the amount of the high-concentration detergent liquid accumulated at the bottom of the outer tub 2 when the first circulation step is executed is smaller than when the first circulation step is executed first. Therefore, the amount required for pumping up the first circulation pump 53a increases, and it takes time to spray the detergent liquid.

  In the washing / drying machine S, the first circulation process is configured to increase the supply amount of the high-concentration detergent liquid per time as compared with the second circulation process. According to this, when a 2nd circulation process is performed after a 1st circulation process, the high concentration detergent liquid which was not able to be pumped up by the 1st circulation process can be pumped up, and a small quantity of high concentration detergent liquid can be pumped down. Can penetrate the entire laundry.

  FIG. 14 is a flowchart showing another operation of the washing / drying machine according to the present invention. In addition, about the process similar to the flowchart of FIG. 13, the same step code | symbol is attached | subjected and the overlapping description is abbreviate | omitted.

  As shown in FIG. 14, the control device 60 proceeds to step S151 after starting the spraying process of the high-concentration detergent solution in the first circulation step (S150), and the water level of the outer tub 2 is equal to or lower than the first predetermined water level. It is determined whether or not there is. That is, even if the first circulation pump 53a is rotated, the high-concentration detergent solution for the pipe from the first circulation pump 53a to the nozzle 53c remains, and the detergent solution therein is forced to be discharged into the rotating drum 3. Then, air and detergent liquid are mixed and air-locked, causing foaming. The first predetermined water level is a water level set to prevent such an air lock.

  In step S151, the control device 60 determines whether or not the water level of the outer tub 2 is equal to or lower than the first predetermined water level. If it is determined that the water level is not equal to or lower than the first predetermined water level (No), the process of step S151 is performed. If it is determined repeatedly that the water level is equal to or lower than the first predetermined water level (Yes), the process proceeds to step S160 and mist spraying of the high-concentration detergent solution is executed.

  In step S161, the control device 60 determines whether or not the water level of the outer tub 2 is equal to or higher than a second predetermined water level. The second predetermined water level is set higher than the first predetermined water level, and is set lower than the water level in the high-concentration detergent liquid production step (water level when the detergent is dissolved). In step S161, when the control device 60 determines that the water level of the outer tub 2 is not equal to or higher than the second predetermined water level (No), the control device 60 proceeds to step S162 and determines that the water level is equal to or higher than the second predetermined water level ( Yes), the process proceeds to step S163.

  In step S162, the control device 60 determines whether or not the predetermined time has elapsed. If it is determined that the predetermined time has elapsed (Yes), the control device 60 proceeds to step S170 and determines that the predetermined time has not elapsed. If (No), the process returns to step S161. The predetermined time is set based on a preliminary test or the like.

  For example, when the circulation of the high-concentration detergent liquid is repeated in the second circulation step, a phenomenon that the water level gradually rises due to the detergent liquid oozing out from the laundry. Such a phenomenon is unlikely to occur with synthetic fiber because the water content is small, but fibers such as bath towels may come out more than the water oozes out and the second circulation pump 54a spouts the water. .

  In step S163, the control device 60 executes shower spraying of the high-concentration detergent solution (first circulation step).

  In step S164, the control device 60 determines whether or not the spraying of the high-concentration detergent liquid has been performed for a predetermined time. The predetermined time is determined based on a prior experiment or the like. When it is determined that the predetermined time has not elapsed (S164, No), the control device 60 repeats the process of step 163, and when it is determined that the predetermined time has elapsed (S164, Yes), step S170. Proceed to

  In such a washing / drying machine S, when the control device 60 determines that the water level of the outer tub 2 is lower than the first predetermined water level during the first circulation step (S150) (Yes in S151), the second circulation is performed. Control is performed to shift to the step (S160). According to this, as described above, it is possible to prevent air lock and prevent the high-concentration detergent liquid from foaming.

  Moreover, in the washing / drying machine S, when the control device 60 determines that the water level of the outer tub 2 is higher than the first predetermined water level during the second circulation step (S160), the first circulation step. Control is performed to shift to (S163). According to this, a high concentration detergent liquid can be sufficiently sprinkled on the laundry before the washing step, and the washing power of the laundry can be improved.

FIG. 15 is a flowchart showing still another operation of the washing / drying machine according to the present invention.
The embodiment shown in FIG. 15 has a configuration in which step S155 is substituted for steps S150 and S160 of the embodiment of FIG.

  In step S155, the control device 60 simultaneously performs shower spraying of the high-concentration detergent solution (first circulation step) and mist spraying of the high-concentration detergent solution (second circulation step). That is, the controller 60 simultaneously drives the first circulation pump 53a and the second circulation pump 54a, so that the shower-like high-concentration detergent liquid is sprayed on the laundry from the nozzle 53c, and the mist-like form from the outlet 52. High concentration detergent solution is sprayed on the laundry.

  Thus, in the washer / dryer S, by performing the first circulation step and the second circulation step at the same time, the operation time can be shortened compared with the case where the first circulation step is performed before the second circulation step. Become.

  In addition, this invention is not limited to above-described embodiment, In the range which does not deviate from the meaning of this invention, it can change suitably. For example, in the above-described embodiment, the drum-type washing / drying machine S has been described as an example, but the present invention can also be applied to a vertical washing / drying machine. Moreover, although it demonstrated using the washing-drying machine provided with the drying function, it is applicable also to the drum-type washing machine which does not have a drying function.

  In addition, as a high concentration detergent liquid production | generation means, although the case where tap water and a detergent were stirred and produced | generated was demonstrated as an example in the bottom of the outer tank 2, it is not limited to such a structure, In the detergent tray 7, the structure which produces | generates a high concentration detergent liquid may be sufficient, and it can change suitably.

  Further, tap water may be simultaneously supplied by the tap water supply means 55 when the mist spraying of the high-concentration detergent solution (S160) is performed. As a result, the concentration of the high-concentration detergent solution can be adjusted, and the concentration of the detergent solution can be reduced to prevent stains caused by the detergent.

DESCRIPTION OF SYMBOLS 1 Housing 2 Outer tank 3 Rotating drum 4 Drum motor (motor)
11 Water supply solenoid valve 11e Mist water supply solenoid valve 24a Motor (fan motor)
24b Fan impeller 34 Water level sensor 26d1 Supply port (supply port for high-concentration detergent solution)
26e1 supply port (tap water supply port)
26i nozzle (common nozzle)
26i1 Supply port 51 Blower unit 53 First high-concentration detergent liquid supply means 53a First circulation pump 53b1 Bellows tube 53b2 Circulation pipe 54 Second high-concentration detergent liquid supply means (high-concentration detergent liquid supply means)
54a Second circulation pump 54b Supply pipe 55 Tap water supply means 55a Supply pipe 60 Controller S Washing and drying machine

Claims (6)

A housing,
An outer tub that is supported in a vibration-proof manner in the housing;
A rotating drum rotatably supported in the outer tub;
A motor for rotating the rotating drum;
A high-concentration detergent liquid producing means for producing a high-concentration detergent liquid;
First high concentration detergent liquid supply means comprising a first circulation pump for supplying the high concentration detergent liquid into the rotary drum;
A blower unit having a fan impeller and a driving fan motor;
An outlet for blowing out the wind generated in the blower unit into the rotary drum;
A second high-concentration detergent liquid supply means comprising a second circulation pump for supplying the high-concentration detergent liquid to the upstream side of the outlet;
A controller for controlling the rotating drum, the motor, the fan motor, the first circulation pump and the second circulation pump;
The control device includes a first circulation step of supplying the high-concentration detergent liquid into the rotary drum by the first high-concentration detergent liquid supply means, and the second while supplying air from the blower unit to the outlet. And a second circulation step of supplying the high-concentration detergent liquid to the upstream side of the air outlet by a high-concentration detergent liquid supply means.   The washing / drying machine according to claim 1, wherein the control device executes the first circulation step before the second circulation step. A water level sensor for detecting the water level in the outer tub,
The said control apparatus transfers to a said 2nd circulation process, when it determines with the said water level being lower than a 1st predetermined water level during performing the said 1st circulation process. Laundry dryer.   The said control apparatus transfers to a said 1st circulation process, when it determines with the said water level being a 2nd predetermined water level higher than a said 1st predetermined water level during performing the said 2nd circulation process. The washing dryer as described in.   The washing / drying machine according to claim 1, wherein the control device simultaneously executes the first circulation step and the second circulation step.   The laundry drying according to any one of claims 1 to 5, wherein the first circulation step has a higher supply amount of the high-concentration detergent liquid per hour than the second circulation step. Machine.

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