WO2012144264A1 - ドラム式洗濯機 - Google Patents
ドラム式洗濯機 Download PDFInfo
- Publication number
- WO2012144264A1 WO2012144264A1 PCT/JP2012/054016 JP2012054016W WO2012144264A1 WO 2012144264 A1 WO2012144264 A1 WO 2012144264A1 JP 2012054016 W JP2012054016 W JP 2012054016W WO 2012144264 A1 WO2012144264 A1 WO 2012144264A1
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- WIPO (PCT)
- Prior art keywords
- water
- tank
- water supply
- drum
- outer tub
- Prior art date
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
- D06F33/69—Control of cleaning or disinfection of washer-dryer parts, e.g. of tubs
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/088—Liquid supply arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/02—Water supply
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
Definitions
- This invention relates to the drum type washing machine provided with the function which can clean a tank.
- Some drum-type washing machines can set a course for washing the tank separately from the washing operation because dirt adheres to the inner and outer tubs.
- cleaning chemicals are necessary, and the operation of selecting the tank cleaning course by the user is complicated, and the cleaning work is complicated.
- the washing machine is a vertical washing machine, in which cleaning liquid such as water is ejected from the supply pipe toward the inner wall surface of the outer tub and is also spouted toward the outer surface of the inner tub and is attached to the wall surface.
- a technique for removing such dirt is proposed (see Patent Document 1).
- Patent Document 1 since the technique described in Patent Document 1 is a vertical washing machine, the upper part of the outer tub is opened, and the cleaning liquid is merely sprayed downward from a supply pipe provided on the upper part of the outer tub. . For this reason, only the side surface of the outer tub located below the supply pipe can be cleaned.
- This invention solves the said conventional problem, and it aims at providing the drum type washing machine which can prevent adhesion of the stain
- the present invention includes an outer tub that is supported in a housing and stores washing water therein, a drum that is contained in the outer tub and that stores laundry, a driving device that rotationally drives the drum, and the outer tub
- a drum-type washing machine having a washing process, a rinsing process, and a dehydrating process, and with a predetermined amount of water stored in the outer tub by the water supplying means, than the washing process.
- the drum was rotated by the drive device at a high rotational speed.
- FIG. 9 is a cross-sectional view taken along line AA in FIG.
- the single unit of an outer tank cover side nozzle is shown, (a) is a front view, (b) is a side view, (c) is a plan view, and (d) is a bottom view. It is an expanded sectional view which shows the flow of the water by an outer tank cover side nozzle. It is a top view which shows typically the washing
- FIG. 5 is a flowchart showing control in a dehydration step 2. It is a whole process table
- surface which shows the opening / closing operation
- the washing machine S1 of the first embodiment has a housing 1 whose outer shell is configured by combining a steel plate and a resin molded product, and the housing 1 is mounted on a base 1h. It is configured.
- the housing 1 includes left and right side plates 1a and 1b (see FIG. 4 for 1b), a front cover 1c, a back cover 1d (see FIG. 2), an upper cover 1e, and a lower front cover 1f.
- the left and right side plates 1a and 1b are joined by a U-shaped upper reinforcing material (not shown), a front reinforcing material (not shown), and a rear reinforcing material (not shown), and include the base 1h.
- a box-shaped housing 1 is formed and has sufficient strength as a housing.
- a door 2 that closes an insertion port for putting in and out clothes is supported at a substantially center of the front cover 1c so as to be openable and closable by a hinge provided in the front reinforcing material. .
- a front cover 1 c in the vicinity of the door 2 is provided with a door release button 3 for releasing a lock mechanism (not shown) of the door 2.
- the lock mechanism (not shown) is released and the door 2 is opened.
- the door 2 is pressed against the front cover 1c, the door 2 is locked and closed.
- a front reinforcing material (not shown) has a circular opening for putting clothes in and out concentrically with an opening 20b (see FIG. 3) of an outer tub 20 (see FIG. 2) to be described later.
- An operation panel 4 having a power switch 4a, operation switches 4b and 4c, a display 4d, and the like is provided at the upper center of the housing 1.
- the operation panel 4 is electrically connected to a control device 60 (see FIGS. 2 and 3) provided at the lower part of the housing 1. Further, on the left side of the operation panel 4, a drawer-type tray 5 into which a detergent, a softening agent, or the like is charged is provided.
- a pull-out drying filter 6 is provided on the right side of the operation panel 4.
- the dry filter 6 includes a mesh type filter 6a (see FIG. 3) so that lint and the like are removed. Cleaning of the dry filter 6 is performed by pulling out the dry filter 6 and taking out the mesh filter 6a (see FIG. 3).
- the upper surface cover 1e is provided with a water supply hose connection port 7a from the water tap and a water absorption hose connection port 7b for remaining hot water in the bath.
- the washing machine S1 is provided with an inner tub (drum, rotating drum) 10 as a cylindrical washing and dewatering tub that is rotatably supported in the housing 1.
- the inner tub 10 has an opening 10a for putting clothes into and out of the front side (front side) end face, and has a large number of through holes 10h (see FIG. 11) for water flow and ventilation on its peripheral wall. Yes.
- a balance ring (also referred to as a fluid balancer) 10b integrated with the inner tank 10 is provided at the edge of the opening 10a.
- the balance ring 10b is configured by enclosing a fluid having a large specific gravity therein, and when the eccentricity occurs due to the bias of the laundry when the inner tub 10 rotates, the balance ring 10b is eccentric due to the movement of the fluid in the balance ring 10b. Has the function of canceling and maintaining the balance of rotation.
- a plurality of lifters 10 c extending in the depth direction (axial direction) are provided on the inner peripheral wall of the inner tank 10.
- the rotation center O1 of the inner tub 10 is inclined so that the opening 10a side becomes higher.
- the washing machine S1 includes a cylindrical outer tub 20 that encloses the inner tub 10 coaxially and has an open front surface.
- the outer tub 20 includes an outer tub body 21 and an outer tub cover 22.
- An opening 21s (see FIG. 11) on the front surface of the outer tub body 21 is provided with an outer tub cover 22 made of synthetic resin, which enables water to be stored in the outer tub 20.
- An opening 22a (see FIG. 8) for taking in and out clothes is formed at the center of the front side (front side) of the outer tub cover 22.
- the opening 22a and the opening provided in the front reinforcing member are connected by a rubber packing 23 (see FIG. 9).
- the packing 23 plays a role of maintaining the water tightness between the outer tub 20 and the door 2. This prevents water leakage during washing, rinsing and dehydration.
- a drain port 20 c is provided at the bottom bottom of the outer tub 20, and a drain hose 8 is connected thereto.
- the tip of the drain hose 8 is connected to a drain hole 101 provided in the floor G.
- a drain valve V is provided in the middle of the drain hose 8. Water is stored in the outer tank 20 by closing the drain valve V and supplying water, and opening the drain valve V in the outer tank 20. Water is discharged outside the aircraft.
- a motor M for rotationally driving the inner tub 10 is attached to the center of the rear surface (bottom surface center) of the outer tub 20.
- the rotating shaft m1 of the motor M passes through the outer tub 20 and is coupled to a metal flange 10e provided on the back surface of the inner tub 10.
- the lower part of the outer tub 20 is supported by a plurality of suspensions 9 (consisting of coil springs and dampers) whose lower side is fixed to the base 1h.
- the upper portion of the outer tub 20 is supported by an auxiliary spring (not shown) attached to the upper reinforcing member, and is configured to prevent the outer tub 20 from falling in the front-rear direction.
- the washing machine S1 is provided with a blower duct (blower passage) 30 that passes through the back inner side and the upper inner surface of the housing 1.
- the blower duct 30 includes a duct 32 extending in the vertical direction on the back side of the outer tub 20 and a duct 33 extending on the upper surface side of the outer tub 20 from the rear to the front.
- an overflow hose 15 connected to join the drain hose 8 downstream of the drain valve V is connected.
- the upstream end of the hose 15 is connected so as to be positioned above the bellows 31 described later.
- a stainless steel plate (heat exchange plate) on which a large number of protrusions are formed is disposed in the duct 32 as, for example, a water-cooled dehumidifying mechanism.
- a water supply pipe (not shown) for flowing cooling water along is connected. Water cooling dehumidification functions by opening a cooling water supply electromagnetic valve 12d described later.
- the lower part of the air duct 30 (duct 32) is connected substantially horizontally to the outlet 20d provided at the lower back of the outer tub 20 by a flexible bellows 31.
- the fan 41 is a so-called turbo fan or the like, and an impeller (not shown) composed of a plurality of blades is accommodated in a fan case 41a.
- a scroll-like (spiral) flow path (not shown) is formed around the periphery.
- an intake hole (not shown) for sucking air is formed on one surface side of the rotation center of the impeller, and an electric motor M1 for rotating the impeller at high speed is attached on the other surface side. ing.
- the heater 42 (see FIG. 2) is composed of a PTC (Positive Temperature Coefficient) heater or the like, and is provided on the downstream side of the scroll-shaped flow path in the fan case 41a.
- the fan case 41a on the downstream side of the heater 42 is formed with a discharge port (not shown) through which hot air (drying air) generated by the heater 42 is discharged.
- the duct 33 (see FIG. 2) includes a filter duct 33a, and the front surface of the filter duct 33a has an opening, into which the pull-out drying filter 6 is inserted.
- the downstream side of the drying filter 6 is connected to an intake hole (not shown) of the blower fan unit 40, and a hot air duct 35, a bellows 36, and a hot air blowing nozzle 37 are connected to an outlet (not shown) of the blower fan unit 40. Connected in order.
- the washing machine S1 includes a circulation pump P and circulation hoses H1 and H2, and has a function of circulating the stored water in the outer tub 20.
- the circulation pump P is disposed below the outer tub 20, its introduction port is connected to the bottom of the outer tub 20 via the circulation hose H1, and the outlet port is connected to the side of the outer tub cover 22 via the circulation hose H2. It is connected. Thereby, the water stored in the outer tub 20 is pumped up by the circulation pump P, and water is sprinkled on the upper part of the laundry in the outer tub 20.
- a water supply unit 12 (water supply means) having five water supply electromagnetic valves T, a bath water supply pump U, a water supply path unit (not shown), and the like. ) Is provided.
- the five water supply electromagnetic valves T are a detergent water supply electromagnetic valve 12a, a finishing agent water supply electromagnetic valve 12b, an outer tank water supply electromagnetic valve 12c, a cooling water supply electromagnetic valve 12d, and a tank cleaning water supply electromagnetic valve 12e (water supply means). And.
- the detergent water supply solenoid valve 12a supplies tap water from the water supply hose connection port 7a to a detergent charging chamber (not shown) of the tray 5 (see FIG. 3) through a water supply path (not shown).
- the tap water poured into the detergent charging chamber is poured into the outer tub 20 through a charging hose (not shown) together with the charged detergent.
- the finishing agent water supply solenoid valve 12b supplies tap water from the water supply hose connection port 7a to a finishing agent charging chamber (not shown) of the tray 5 (see FIG. 3) through a water supply path (not shown).
- the tap water poured into the finishing agent charging chamber is poured into the outer tub 20 through a charging hose (not shown) together with the charged finishing agent.
- the outer tank water supply electromagnetic valve 12c supplies tap water from the water supply hose connection port 7a into the outer tank 20 through a water supply path (not shown) from a water injection hose (not shown).
- the cooling water supply electromagnetic valve 12d supplies tap water from the water supply hose connection port 7a to a water cooling / dehumidification mechanism (not shown) of the air duct 30 (see FIG. 2) through a water supply path (not shown).
- the tank cleaning water supply electromagnetic valve 12e passes the tap water from the water supply hose connection port 7a through a water supply path (not shown) and passes through a cleaning water supply hose 55 (cleaning water supply piping), and the outer tank cover side nozzle 50A (described later). Water is supplied to waterway members and water supply channels).
- the bath water from the water suction hose connection port 7b pumped up by the bath water feed pump U is supplied into the outer tub 20 from a water injection hose (not shown) through a water supply path (not shown).
- FIG. 5 shows a state where only five water supply electromagnetic valves T are extracted from the water supply unit 12 (see FIG. 4).
- a branch joint 54 is connected to a discharge port (not shown) of the tank cleaning water supply electromagnetic valve 12e via a seal member (such as an O-ring) (not shown), and one end of a cleaning water supply hose 55 is connected to the tip of the branch joint 54.
- a drainage hose 56 (drainage pipe) is connected to the side surface (circumferential surface) of the branch joint 54.
- the cleaning water supply hose 55 extends forward along the outer tub main body 21, extends so as to be bent in the center in the left-right direction at the position of the outer tub cover 22, and is provided at the apex (center) of the outer tub cover 22. Further, it is connected to a water supply port 50f1 (see FIG. 8) described later via a seal member (not shown).
- the drain hose 56 extends downward from the branch joint 54 and extends while bending backward, and is connected to the outer tank water supply joint 24 provided at the rear portion of the outer surface of the outer tank 20 (outer tank body 21).
- the outer tank water supply joint 24 is connected to a case communicating with a detergent charging chamber (not shown) and a finishing agent charging chamber (not shown) of the tray 5 via a bellows hose (not shown).
- the outer tank water supply joint 24 is configured by assembling a joint 24 a connected to the outer tank body 21 and a joint 24 b connected to the bellows hose in an L shape in a side sectional view. Yes.
- a rubber check valve 24c is provided at the boundary between the flow path constituted by the joint 24a and the flow path constituted by the joint 24b. The check valve 24c only allows fluid to flow from the joint 24b-side flow path to the joint 24a-side flow path, and steam generated in the outer tub 20 during a drying process described later is generated in the joint. The flow from 24a to the joint 24b is blocked.
- the drain hose 56 is connected to the upper part of the joint 24a.
- the joint 24a is formed with a cylindrical hose connection portion 24a1 to which the drainage hose 56 is connected.
- a drain hole 24a2 communicating with the flow path inside the joint 24a is formed at the bottom of the hose connection portion 24a1.
- the drain hole 24a2 corresponds to an outlet to which a drain hose 56 (drain pipe) is connected. The size of the drain hole 24a2 will be described later.
- the cleaning water supply hose 55 and the drainage hose 56 are located above the drainage hose 56 in the vertical direction (vertical direction). As a result, the residual water in the cleaning water supply hose 55 is discharged into the outer tub 20 through the drainage hose 56, thereby preventing the cleaning water supply hose 55 from being blocked by freezing of the residual water.
- the drain hose 56 is not provided, and the tank cleaning water supply electromagnetic valve 12e and the outer tank cover side nozzle 50A described later are directly connected via the cleaning water supply hose 55, the outer tank cover side
- the flow of cleaning water in the outer tank cover side nozzle 50A and the cleaning water supply hose 55 stops, and the outer tank cover side nozzle 50A is scattered. Wash water is not discharged from the water port 50b2. Therefore, in the present embodiment, the drainage hose 56 is branched from the cleaning water supply hose 55, and the cleaning water supply hose 55 is disposed above the drainage hose 56 in the vertical direction. It is possible to prevent the cleaning water from remaining in the supply hose 55.
- an outer tank cover side nozzle 50 ⁇ / b> A for spraying tap water (cleaning water) for tank cleaning is provided on the front side of the outer tank cover 22.
- the outer tank cover side nozzle 50 ⁇ / b> A is formed of a synthetic resin or the like, has a substantially arcuate shape (arc shape), and is provided in the upper part of the outer tank cover 22.
- the outer tank cover side nozzle 50A is formed with a length of about one quarter of the circumference, and extends from the center to the left and right with the same length.
- a water supply port 50f1 to which a cleaning water supply hose 55 see FIG.
- a seal member such as an O-ring is provided at the boundary between the outer tub cover 22 and the water supply port 50f1 so that water does not leak.
- the shape of the outer tank cover 22 to which the outer tank cover side nozzle 50 ⁇ / b> A is attached has a large diameter portion 22 b connected to the opening 21 s (FIG. 11) of the outer tank main body 21 (see FIG. 11),
- the large-diameter portion 22b includes an inclined portion 22c that is reduced in diameter toward the front side (front), and a front surface portion 22d that extends in a substantially vertical direction with respect to the inclined portion 22c.
- a convex portion 22e to which the packing 23 is attached is formed on the front surface portion 22d so as to protrude forward.
- the outer tank cover side nozzle 50 ⁇ / b> A is disposed at the front end of the large diameter portion 22 b of the outer tank cover 22.
- the water spray port 50b2 (1st water spray port) is provided in the circumferential direction at intervals (15 in this embodiment). Is formed. Moreover, the hole diameter (diameter) of the water spray port 50b2 is formed to be 1.2 mm, for example. Note that the number, position, and hole diameter of the water spout 50b2 are not limited to the present embodiment, and can be changed as appropriate.
- a plurality of mounting portions 51A are formed on the upper surface 50e of the outer tank cover side nozzle 50A so as to protrude rearward from the upper surface 50e at intervals in the circumferential direction.
- the mounting portion 51A has a rectangular piece 51a, and is configured by forming a screw insertion hole 51b in the piece 51a.
- Each attachment portion 51A is formed so as to be flush with the upper surface 50e, and a screw (not shown) is inserted into the insertion hole 51b and is screwed to the inner wall surface 22b1 of the outer tank cover 22.
- a water spray port 50a2 (second water spray port) is formed on the bottom surface 50f of the outer tank cover side nozzle 50A at a position corresponding to the water supply port 50f1.
- only one water spout 50a2 is provided, but it may be provided at a plurality of locations.
- the cross-sectional area (flow-path cross-sectional area) of the drain hole 24a2 is with respect to the total cross-sectional area (total flow-path cross-sectional area) of 15 water spouts 50b2 and one water spout 50a2 of the outer tank cover side nozzle 50A. Is preferably set to 10% (10%). By setting to such a ratio, the water draining function can be sufficiently exhibited.
- the number and the hole diameter of the water spray ports 50a2 and 50b2 may be set to be larger than 10%.
- the outer tank cover side nozzle 50 ⁇ / b> A is disposed between the outer tank cover 22 (outer tank 20) and the side surface (circumferential surface) of the inner tank 10. More specifically, the inner tank 10 has a throttle portion 10d (side surface) having a reduced diameter at the front end, and the outer tank cover side nozzle 50A is formed between the large diameter portion 22b of the outer tank cover 22 and the throttle portion 10d. Located between. A balance ring 10b is attached to the inner peripheral edge of the throttle portion 10d.
- the washing water is discharged forward from the water spray port 50b2, and the inclined portion 22c of the outer tub cover 22 is It hits the inner wall surface 22c1 and flows downward along the inner wall surface 22c1.
- the washing water discharged from the sprinkling port 50b2 is discharged linearly, hits the inner wall surface 22c1, and after hitting, spreads radially around the position.
- the washing water sprayed on the inner wall surface 22c1 flows down the inner wall surface 22c1 of the inclined portion 22c of the outer tub cover 22 and the inner wall surface 22d1 of the front surface portion 22d by the action of gravity.
- the washing water discharged from the water spout 50a2 hits the throttle portion 10d of the inner tank 10 as indicated by the solid line arrow R2.
- the washing water sprayed on the throttle part 10d is scattered on the inner wall surface 22b1 of the large diameter part 22b of the outer tank cover 22 (outer tank 20) by the centrifugal force when the inner tank 10 rotates, and is behind the throttle part 10d.
- the outer tank cover 22 and the outer tank 10 s are scattered on the outer peripheral surface 10 s of the inner tank 10.
- the number, the hole diameter, and the position of the water spout 50b2 of the outer tank cover side nozzle 50A described above may be set so that the cleaning water flows over the entire inner surface of the outer tank cover 22, as described with reference to FIG.
- the number, hole diameter, and position can be changed as appropriate.
- the control device (microcomputer) 60 includes a CPU (Central Processing Unit), a ROM (Read Only Memory) storing a program, a RAM (Random Access Memory), an input / output circuit, and the like.
- the operation button input circuit 62 connected to the switches 4b and 4c, the water level sensor 63, the temperature sensor 64, and the vibration sensor 65 are connected to acquire various information signals in the user's button operation, washing process, and drying process.
- the temperature sensor 64 includes an outside temperature sensor that detects the outside temperature, a temperature sensor that detects the temperature of the drain port 20c, and the like.
- control device 60 is connected to each of the water supply electromagnetic valves 12a to 12e, the bath water supply pump U, the drain valve V, the rotation speed of the motor M (the rotation speed of the inner tub 10) and the fan 41 via each drive circuit 66.
- the rotation speed and the energization (ON / OFF) of the heater 42 are controlled.
- the control device 60 controls the display 4d, the light emitting diode 67, and the buzzer 68 for notifying the user of the operating state of the washing machine S1.
- the control device 60 is activated when the power switch 4a is pressed and the power is turned on, and executes, for example, a basic control processing program for washing and drying shown in FIGS.
- a basic control processing program for washing and drying shown in FIGS.
- FIGS. 14 to 19 a case where a series of operations from washing to drying is performed will be described with reference to FIGS. 14 to 19.
- control device 60 performs a washing process (step S100), a rinsing process (step S200), a tank cleaning process 1 (step S300-1), a dehydration process (S400-1), and a tank cleaning process 2 ( Step S300-2), dehydration step (step S400-2), and drying step (step S500) are executed in this order.
- the control device 60 rotates the inner tub 10 and calculates the cloth amount for the clothes before water injection.
- the weight of the clothes in the inner tub 10 can be calculated based on the rotation speed of the motor M and the current value. Since the load for rotating the inner tub 10 increases due to the increase in the weight of the clothing and a large amount of motor current is required to flow through the motor M, the weight of the clothing is calculated from the motor current and the rotation speed of the motor M. be able to.
- the tank rotation speed of 25 to 45 rpm (r / min) shown in the table of FIG. 19 is the rotation speed when the inner tank is rotating (except during dehydration).
- the control device 60 opens the detergent water supply electromagnetic valve 12a and supplies tap water to the detergent charging chamber (not shown) of the tray 5.
- the tap water poured into the tray 5 is poured into the outer tub 20 through the bellows hose (not shown) and the outer tub water supply joint 24 while dissolving the detergent.
- the controller 60 closes after a predetermined time has elapsed since the detergent water supply solenoid valve 12a was opened.
- the control device 60 drives the circulation pump P while rotating the inner tub 10 while maintaining the opening of the detergent water supply electromagnetic valve 12a, thereby washing water (high concentration).
- the detergent solution is circulated and water is supplied to the clothes while spraying the washing water.
- the inner tub 10 is rotated at a predetermined rotational speed.
- the control apparatus 60 closes the detergent water supply solenoid valve 12a after completion
- control device 60 washes the clothes with a high concentration detergent solution.
- the control device 60 calculates the weight of the clothing containing water. Then, the control device 60 determines the cloth quality (water absorption) of the clothes from the weight of the clothes calculated in the cloth amount sensing step (1) and the weight of the clothes including water calculated in the cloth quality sensing step (5). Determine. The following steps are executed according to the determined cloth quality of the clothing.
- the control device 60 adjusts the weight of the clothes calculated in the cloth amount sensing process (1) and the cloth quality of the clothes determined in the cloth quality sensing process (5).
- the water supply electromagnetic valve 12 c and the tank cleaning water supply electromagnetic valve 12 e are opened to supply water into the outer tank 20. For example, if it is a thing with high water absorption, such as towel cloth, wash water is replenished in a replenishment water process.
- the control device 60 closes the outer tank water supply electromagnetic valve 12c and the tank cleaning water supply electromagnetic valve 12e.
- the tank cleaning water supply electromagnetic valve 12e by opening the tank cleaning water supply electromagnetic valve 12e, the cleaning water is sprinkled from the outer tank cover side nozzle 50A, and the upper part of the outer tank cover 22 and the inner tank 10 of the inner tank 10 are washed in the previous washing process.
- the detergent component adhering to the front end side surface can be poured.
- control device 60 washes the clothes while rotating the inner tub 10 in both forward and reverse directions.
- the unbalanced state of the clothing is monitored to determine whether or not to shift to dehydration.
- step S200 one rinsing process and two rinsing processes are executed. That is, in the draining process of rinse 1 (S200-1), the control device 60 opens the drain valve V and drains the washing water in the outer tub 20. The end of drainage is determined based on the detection value of the water level sensor.
- the control device 60 rotates the inner tub 10 at a high speed to dehydrate the washing water contained in the clothes.
- the rotational speed of the inner tank 10 at the time of dehydration is set to 1000 rpm or more, for example.
- the control device 60 closes the drain valve V, opens the outer tank water supply electromagnetic valve 12c, and supplies rinse water to the outer tank 20. Further, while the inner tub 10 is rotated, the circulation pump P is driven to spray the rinse water on the clothes in the inner tub 10.
- the control device 60 stops the circulation pump P while rotating the inner tub 10 at a high speed, and dehydrates the rinse water from the clothes.
- control device 60 drives the circulation pump P again while rotating the inner tub 10, and sprays rinse water on the clothes in the inner tub 10.
- control device 60 stops the inner tank 10 and the circulation pump P, opens the drain valve V, and drains the rinse water in the outer tank 20.
- the control device 60 rotates the inner tub 10 at high speed to dehydrate water (rinse water) contained in the clothes.
- the control device 60 closes the drain valve V, opens the tank cleaning water supply electromagnetic valve 12e, and supplies rinse water to the outer tank 20.
- the control device 60 closes the tank cleaning water supply electromagnetic valve 12e after the end of water supply.
- the tank cleaning water supply electromagnetic valve 12e is opened to supply water, so that dirt attached to the upper part of the outer tank cover 22 and the like can be poured during the rinsing process.
- the control device 60 opens the finishing agent water supply electromagnetic valve 12b and supplies the outer tub 20 with rinse water containing the finishing agent.
- the control device 60 closes the finishing agent water supply electromagnetic valve 12b after finishing the finishing agent water supply.
- the control device 60 opens the outer tank water supply electromagnetic valve 12c and the tank cleaning water supply electromagnetic valve 12e to supply rinse water into the outer tank 20.
- the control device 60 rotates the inner tub 10 while rinsing water is accumulated in the outer tub 20 to rinse the clothes. At this time, the rotation speed of the inner tank 10 is set to 35 to 45 rpm.
- step S301 the control device 60 causes the inner tub 10 to be higher than the rotation speed (for example, 25 rpm) during the washing process and lower than the rotation speed (for example, 1000 rpm) during the dehydration process.
- Rotate at rotation speed The rotation speed is set to 80 to 300 rpm, for example.
- the rotational speed is not particularly limited to the above range, and is not limited to the above range as long as the inside of the washing tub (the inner tub 10 and the outer tub 20) can be sufficiently cleaned.
- the upper limit can be appropriately changed according to the maximum possible output (maximum load) of the motor M.
- the lower limit can be appropriately changed according to the shape of the inner tub 10 (whether or not it is a shape in which water is easily rolled up). That is, when it is a shape which can easily wind up water, water can be sufficiently wound up even at a lower rotational speed.
- step S301 the control device 60 rotates clockwise at 100 rpm as the first tank cleaning rotation speed.
- the tank cleaning process 1 is a provisional cleaning process that mainly removes large dirt at the bottom of the tank, and therefore, rinse water is used instead of fresh water, and the rotation speed of the inner tank 10 is reduced. Is set.
- the water level at this time is the same water level (first tank washing water level) as that obtained after the rotary water supply / replenishment water step (S200-10) in the above-described rotation water supply / replenishment water process. Although it differs depending on the water level, the water level is 11.5 liters (first tank washing water amount) at the maximum.
- the inner tub 10 rotates, and the wash water (tap water) stored in the bottom of the outer tub 20 is rolled up, so that the inner left side area or inner tub of the outer tub 20 on the side where the water is rolled up
- the left half area of 10 is mainly cleaned. Washing water is sprayed from the through holes 10h formed on the side surface of the inner tub 10 to the side surface (circumferential surface) inside the outer tub 20 for cleaning.
- step S302 the control device 60 determines whether or not a predetermined time has elapsed since the inner tank 10 was rotated to the right by a timer (not shown).
- the predetermined time is not particularly limited, and is set to 60 seconds, for example.
- step S302 when it is determined that the predetermined time has not elapsed, the control device 60 returns to step S301, and when it is determined that the predetermined time has elapsed, the control device 60 proceeds to step S303.
- step S303 the control device 60 rotates the inner tank 10 counterclockwise at 100 rpm.
- the cleaning water stored in the outer tub 20 is rolled up as in the case of the right rotation, and the right half area inside the outer tub 20 and the right half area of the inner tub 10 are mainly washed. .
- step S304 the control device 60 determines whether or not a predetermined time has elapsed since the inner tank 10 is rotated counterclockwise by a timer (not shown).
- the predetermined time is not particularly limited, and is set to 60 seconds, for example, as described above.
- step S304 when it is determined that the predetermined time has not elapsed, the control device 60 returns to step S303, and when it is determined that the predetermined time has elapsed, the control device 60 proceeds to step S305.
- step S305 the control device 60 maintains the rotation of the inner tank 10 (left rotation, 100 rpm) as it is. Then, the drain valve is opened (S300-1-2), and the process proceeds to the dehydration step 1 shown in FIG. Note that steps S301 to S304 correspond to S300-1-1 in FIG.
- step S401 the control device 60 opens the drain valve V while maintaining the rotation of the inner tank 10. As a result, the used cleaning water in the outer tub 20 used in the tub cleaning step 1 is discharged outside the machine through the drainage hose 8.
- step S401 determines whether or not the drainage is completed. Whether or not the drainage is completed can be determined based on the detection value of the water level sensor 63.
- step S401 when it is determined that drainage is not completed (No), the control device 60 repeats step S401, and when it is determined that drainage is completed (Yes), the control device 60 proceeds to step S402.
- the rotational speed of the tank 10 is increased. And it progresses to the tank cleaning process 2 shown in FIG.
- step S306 the dehydration rotation speed is increased, and the rotation speed of the inner tank 10 is set to about 380 rpm.
- the rotational speed of the inner tub 10 is reduced (step S307).
- the electrical conductivity sensor in this embodiment is not shown in figure, it is comprised with a pair of electrode which mutually faces, and it is possible to measure the hardness of the water between these electrodes.
- this electrical conductivity sensor is arrange
- the rotation speed of the inner tank 10 is decreased to about 240 rpm, which is the second tank cleaning rotation speed, and the tank cleaning operation is started (step S308). Since this second tank cleaning rotational speed 240 rpm is higher than the rotational speed of the inner tank 10 in the tank cleaning process 1, water can be pumped up to a high place that cannot be reached in the tank cleaning process 1.
- the control device 60 closes the drain valve, opens the tank cleaning water supply electromagnetic valve 12e, and stores cleaning water in the outer tank 20.
- the rotational speed of the inner tank 10 is maintained at 240 rpm even when the washing water is stored. The time for storing the washing water varies depending on the tap water pressure.
- the tap water pressure is determined based on the relationship between the initial water supply amount and time, the water supply time that matches the water pressure is selected, and water is supplied by time control.
- water is supplied by time control.
- water is accumulated up to a second tank washing water level of about 25% of the bottom height of the inner tank 10. This is because, under the condition where the rotation speed of the inner tank 10 is 240 rpm, if the amount of cleaning water is about 7 liters, the cleaning water can flow over the entire inner surfaces of the outer tank 20 and the outer tank cover 22.
- the water accumulated in the lower part of the outer tub 20 is lifted up by irregularities such as dewatering holes existing outside the inner tub 10 and lifts so as to hit the bottom and side surfaces of the outer tub 20, and the tank cleaning process 1 Wash away dirt that cannot be removed with Further, the dust on the upper part of the outer tub 20 and the upper part of the outer tub cover 22 that adheres in the drying process can also be washed away by the tub cleaning process 2.
- the rinse water in the tank cleaning step 1 since fresh water is used, it is possible to prevent adhesion of powder stains and the like.
- step S308 an operation of supplying water from the tank cleaning water supply electromagnetic valve 12e to the outer tank cover side nozzle 50A via the cleaning water supply hose 55 is also performed. Then, water is discharged from a water spray port 50b2 provided on the front surface 50d side of the outer tank cover side nozzle 50A, water is applied to the inner wall surface of the outer tank cover 22, and provided on the bottom surface 50f side of the outer tank cover side nozzle 50A. Water is discharged from the water sprinkling port 50 a 2 and water is applied to the side wall surface of the inner tank 10.
- the water sprayed on the side wall surface of the inner tub 10 scatters outward in the circumferential direction due to the centrifugal force generated by the rotation of the inner tub 10, and reaches the inner wall surface behind the outer tub cover 22 and the outer wall surface of the inner tub 10.
- the second tank cleaning rotation speed is 240 rpm, which is higher than the first tank cleaning rotation speed, and the second tank cleaning water amount is 7 liters, but the present invention is not limited to this. That is, if the second tank cleaning rotation speed is higher, it is sufficient that the second tank cleaning water level is lower, and if the second tank cleaning rotation speed is lower, the second tank cleaning water level needs to be higher. There is.
- the amount of water is 6 liters and the rotational speed is 330 rpm
- the area of the inner surface of the outer tub cover 22 is sprinkled
- the amount of water is 7 liters and the rotational speed is 240 rpm
- the amount of water is 8 liters and the rotational speed is In the case of 200 rpm
- the amount of water was 9 liters and the rotation speed was 160 rpm
- the inner surface of the outer tub cover 22 could be washed out evenly and uniformly.
- the inner surface of the outer tub cover 22 can be washed away cleanly, but some of the water remains. Overflow.
- the rotational speed if the amount of water is increased to 11.5 liters or more without considering water saving, the effect of washing the tank can be obtained at 130 rpm or more. However, if the rotational speed is the same as the primary resonance point around 150 rpm and the tertiary resonance point around 300 rpm to 400 rpm, vibration may increase. Therefore, avoid these and set the rotation speed from 160 rpm to around 300 rpm. Also good.
- a combination of a shower by the outer tank cover side nozzle 50A and a scooping of water accumulated in the outer tank 20 is a method for automatically washing away sebum dirt and detergent residue. Even if the shower by the tank cover side nozzle 50A is not used, the effect of washing away dirt and the like can be expected to some extent.
- the water supply into the outer tub 20 in step S308 may use a water supply valve other than the tank cleaning water supply electromagnetic valve 12e.
- the operation is performed with a valve having a small water supply flow rate, such as the finishing agent water supply electromagnetic valve 12b and the cooling water supply electromagnetic valve 12d, the water supply time increases, resulting in a longer operation time. 12a and the outer tank water supply electromagnetic valve 12c are desirable.
- the dirt most likely to remain in the tank is the bottom surface inside the outer tank 20, and there is a possibility that a water line will be generated near a certain water level.
- This water line is dirt which adheres in the washing process and the rinsing process and is difficult to flow down even in the subsequent tank cleaning operation. Therefore, in the present embodiment, in order to drop the water line, the mechanical force of the water scraping portion 70 formed by providing a protrusion on the back surface of the inner tank 10 is used.
- This water scraping portion 70 has a shape extending in the radial direction in the vicinity of the outer peripheral side of the flange on the bottom surface of the inner tub 10, and when it hits the water surface, a water flow is generated, and a draft can be dropped by applying a strong force. It becomes.
- a method of separately providing a nozzle for spraying water between the back surface of the inner tub 10 and the bottom surface of the outer tub 10 is also conceivable.
- the tank cleaning water supply electromagnetic valve 12e is closed in step S309, but the second tank cleaning rotational speed of the inner tank 10 is maintained as it is (30 seconds). ), Continuing to scoop up the water accumulated in the outer tub 20 and preventing the occurrence of bias in the area to be cleaned.
- the inner tank 10 is rotated only in one direction at the second tank cleaning rotation speed so as not to increase the operation time. However, the rotation direction is reversed after a predetermined time has elapsed, or these are repeated a plurality of times. It is also possible to control to reduce washing unevenness.
- step S311 the drainage valve is opened to drain the washing water while maintaining the rotation speed of the inner tank 10. Since the water is drained while maintaining the rotation speed, the washing water containing dirt can be drained without touching the clothes.
- step S313 When draining of the cleaning water is completed, the drain valve is closed again, the tank cleaning water supply electromagnetic valve 12e is opened again, and about 2.5 liters of tap water is supplied (step S313).
- This 2.5 liter cleaning water amount (third tank cleaning water amount) is not increased to the entire inside of the outer tank cover 22 under the condition that the rotation speed of the inner tank 10 is 240 rpm (same as the second tank cleaning water amount).
- the amount is such that washing water can flow over the entire inner bottom surface of the outer tub 20. As described above, since the bottom surface inside the outer tub 20 where dirt easily adheres is repeatedly washed with clean water, the dirt can be surely removed.
- step S313 water is supplied from the tank cleaning water supply electromagnetic valve 12e to the outer tank cover side nozzle 50A to spray the outer tank cover 22 and the like.
- step S314 when sufficient cleaning water is supplied into the tank, the tank cleaning water supply electromagnetic valve 12e is closed in step S314, but the tank cleaning rotation speed of the inner tank 10 is maintained as it is (30 seconds).
- step S315 the drainage valve is opened to drain the wash water while maintaining the rotation speed of the inner tank 10 (step S316).
- the effect of tank cleaning is improved by switching the second tank cleaning water amount and the third tank cleaning water amount and using clean water.
- steps S308 to S310 correspond to S300-2-1 (tank washing water supply 1) in FIG. 19
- steps S311 and S312 correspond to S300-2-2 (drainage) in FIG. 19
- steps S313 to S310 S315 corresponds to S300-2-3 (tank washing feed water 2) in FIG. 19
- step S316 corresponds to S300-2-4 (drainage) in FIG.
- step S403 when drainage is completed, the final dehydration process is performed for a predetermined time, and then the process proceeds to the drying process (S500) with the drain valve V open. Then, when the operation of the drying step S500 ends, the drain valve V is closed.
- the inner vessel 10 is kept rotating while being dehydrated.
- the operation time can be shortened. That is, if the rotation of the inner tub 10 is stopped before the dehydration step, it is necessary to increase the rotation speed while balancing the inner tub 10 when starting the dehydration step. It will take some time to increase in speed.
- the above-described balancing time can be omitted, and the operation time can be shortened.
- the control device 60 opens the cooling water supply electromagnetic valve 12d, energizes the heater 42, and drives the fan 41. Thereby, the steam generated from the clothing is removed (dehumidified) by a water-cooled dehumidifying member (not shown), heated by the heater 42, and then returned to the inner tub 10 as dry air.
- the tank may be washed to remove dust adhering to the drying operation.
- the process which confirms that there is no clothing remaining in the inner tank 10 is performed.
- the user can open the door 2, take out clothes, close the door 2, and press a predetermined button (for example, a start button) to start the tank cleaning process.
- a predetermined button for example, a start button
- the inner tub 10 can be rotated at a high speed, can be rotated with a small amount of water, and water saving performance can be enhanced.
- the outer tub cover 22 In the washing machine S1, in the upper part in the outer tub cover 22 (outer tub 20), the outer tub cover 22 (outer tub 20) and the narrowed portion 10d of the inner tub 10 (side surface of the front end of the inner tub). Since the outer tank cover side nozzle 50A (water channel member) is provided for the cleaning water supplied from the tank cleaning water supply electromagnetic valve 12e (water supply means) via the cleaning water supply hose 55, the outer tank cover 22 It is possible to remove dirt and dust adhering to the inner surface of the tank and the front surface of the inner tub 10, and to keep the washing tub (inner tub 10 and outer tub 20) clean by washing before the dirt and trash accumulate. It becomes possible. By suppressing the adhesion of dirt and dust in this way, it is possible to suppress the growth of mold and the generation of off-flavors. Furthermore, it is possible to prevent or suppress dust from adhering to the laundry being washed.
- the drain hose 56 is branched and connected to the cleaning water supply hose 55, and the cleaning water supply hose 55 is disposed above the drain hose 56 in the vertical direction. It is possible to prevent the cleaning water from remaining in the water supply hose 55. Thereby, it is possible to prevent the washing water supply hose 55 from being blocked by freezing, and it is possible to prevent a malfunction of the washing machine S1 caused by the blocking.
- the branch part of the washing water supply hose 55 and the drainage hose 56 is configured to be located in the vicinity of the tank washing water supply electromagnetic valve 12e, the washing water remaining in the washing water supply hose 55 can be reduced as much as possible. .
- the cleaning water supply hose 55 is not limited to the configuration connected to the dedicated tank cleaning water supply electromagnetic valve 12e, but may be configured to branch by providing a switching valve downstream of another water supply electromagnetic valve. .
- control apparatus 60 which controls the motor M and the tank washing water supply electromagnetic valve 12e is provided, and the control apparatus 60 controls the tank washing water supply electromagnetic valve 12e so that a predetermined amount of tap water accumulates in the outer tank 20, and the inner tank Since the motor M is controlled to rotate at a rotational speed higher than the rotational speed at the time of the washing process, the washing water stored in the outer tank 20 is not only washed by the outer tank cover side nozzle 50A. It becomes possible to perform tank washing by winding up, and it is possible to wash the entire washing tub (inner tub 10, outer tub 20).
- the washing course or the washing drying course is started in a state where the predetermined tank cleaning button is set to ON.
- the tank washing process is omitted and the normal washing operation or the washing and drying operation is performed. Therefore, if tank cleaning is set to on, water is automatically applied to the tank wall surface during the washing course and washing / drying course without performing a special tank cleaning course separate from the washing course and washing / drying course. It is possible to make it difficult to leave dirt.
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- Engineering & Computer Science (AREA)
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- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
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Abstract
Description
図1に示すように、第1実施形態の洗濯機S1は、外郭が鋼板と樹脂成型品とを組み合わせて構成された筐体1を有し、筐体1がベース1hの上に取り付けられて構成されている。筐体1は、左右の側板1a,1b(1bは図4参照)、前面カバー1c、背面カバー1d(図2参照)、上面カバー1e、下部前面カバー1fで構成されている。左右の側板1a,1bは、コの字型の上補強材(図示せず)、前補強材(図示せず)、後補強材(図示せず)で結合されており、ベース1hを含めて箱状の筐体1を形成し、筐体として十分な強度を有している。
図15に示すように、ステップS301において、制御装置60は、内槽10を、洗い工程時の回転速度(例えば、25rpm)よりも高く、脱水工程時の回転速度(例えば、1000rpm)よりも低い回転速度で回転させる。なお、回転速度は、例えば、80~300rpmに設定される。ただし、特に前記した範囲の回転速度に限定されるものではなく、洗濯槽(内槽10、外槽20)内を充分に洗浄できるものであれば、前記した範囲に限定されるものではない。例えば、モータMの最大可能出力(最大負荷)に応じて上限を適宜変更できる。また、内槽10の形状(水を巻き上げ易い形状であるか否か)に応じて、下限を適宜変更できる。つまり、水を巻き上げ易い形状である場合には、より低い回転速度でも充分に水を巻き上げることができる。
10 内槽(ドラム)
10d 絞り部(前端部側面)
12 給水ユニット(給水手段)
12e 槽洗浄給水電磁弁(給水手段)
20 外槽
21 外槽本体
22 外槽カバー
22c1 内壁面
24a2 水抜き孔(出口)
50A 外槽カバー側ノズル(水路部材、給水経路)
50B 外槽本体側ノズル
50a2 散水口(第2の散水口)
50b2 散水口(第1の散水口)
54 分岐継手(分岐部)
55 洗浄水供給ホース(洗浄水供給配管)
56 水抜きホース
60 制御装置
70 水掻き部
M モータ(駆動装置)
S1 ドラム式洗濯機
Claims (6)
- 筐体内に支持され、内部に洗濯水を貯留する外槽と、
前記外槽に内包され、洗濯物が収容されるドラムと、
前記ドラムを回転駆動させる駆動装置と、
前記外槽に給水する給水手段と、を備え、
洗い工程、すすぎ工程および脱水工程を有するドラム式洗濯機において、
前記給水手段により前記外槽内に所定量の水を溜めた状態で、前記洗い工程よりも高い回転速度で前記駆動装置により前記ドラムを回転させたことを特徴とするドラム式洗濯機。 - 前記給水手段から供給された水を、前記外槽の前側上部に設けられた散水口から噴出させることを特徴とする請求の範囲第1項に記載のドラム式洗濯機。
- 前記外槽は、その前側に外槽カバーを有し、
前記外槽カバー内には、前記ドラムの周方向に延びる給水経路が設けられ、
前記給水経路には、前記外槽カバーの内壁面に向けて散水する複数の前記散水口が設けられ、
前記給水手段から供給された水を、前記散水口から噴出させることを特徴とする請求の範囲第2項に記載のドラム式洗濯機。 - 前記散水口は、前記外槽カバーの内壁面に向けて水を噴出する第1の散水口と、前記ドラムの側面に向けて水を噴出する第2の散水口と、を備えたことを特徴とする請求の範囲第3項に記載のドラム式洗濯機。
- 前記第2の散水口から噴出した水が、前記ドラムの側面に当った後、回転する前記ドラムの遠心力で周方向外側へ飛散し、前記外槽の内壁面に吹き付けられるように構成したことを特徴とする請求の範囲第4項に記載のドラム式洗濯機。
- 前記ドラムの背面に水掻き部を設けたことを特徴とする請求の範囲第1項から請求の範囲第5項のいずれか1項に記載のドラム式洗濯機。
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JP2011093460A JP5785764B2 (ja) | 2011-04-19 | 2011-04-19 | 洗濯機 |
JP2011-123909 | 2011-06-02 | ||
JP2011123909A JP5907673B2 (ja) | 2011-06-02 | 2011-06-02 | 洗濯機 |
JP2011-210088 | 2011-09-27 | ||
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CN105951352B (zh) * | 2016-06-16 | 2018-10-19 | 无锡小天鹅股份有限公司 | 波轮洗衣机的控制方法 |
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JP2006239141A (ja) * | 2005-03-03 | 2006-09-14 | Sharp Corp | ドラム式洗濯機 |
JP2010012090A (ja) * | 2008-07-04 | 2010-01-21 | Panasonic Corp | ドラム式洗濯乾燥機 |
Also Published As
Publication number | Publication date |
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CN105568623B (zh) | 2019-03-15 |
CN103492627B (zh) | 2016-03-16 |
KR101492500B1 (ko) | 2015-02-11 |
CN103492627A (zh) | 2014-01-01 |
CN105568623A (zh) | 2016-05-11 |
KR20130124366A (ko) | 2013-11-13 |
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