CN104975472B - Washing machine - Google Patents

Abstract

The present invention provides a kind of washing machine for being prevented from and producing the damage of cloth and fade.The washing machine includes：Roller (2), its storage washings；Outer barrel (3), it can rotatably receive roller (2)；Water supply electromagnetic valve (4), it supplies water to outer barrel (3)；With heating unit (5), it heats the washings being supplied in roller (2), and heating unit (5) includes：Pipe portion, washings flow wherein；And heating element heater, its washings that will be flowed in pipe portion switches to the free position in hot water and steam.

Description

Washing machine

Technical field

The present invention relates to a kind of washing machine with the heater for producing steam.

Background technology

On washing machine, it is proposed that one kind has is decomposed by making contact with clothing steam (steam) before washing procedure The washing machine (for example, referring to patent document 1) of the heater of greasy dirt etc..

Prior art literature

Patent document 1

Patent document 1：Japanese Unexamined Patent Publication 2003-93775 publications

The content of the invention

Invent problem to be solved

But, in the washing machine described in patent document 1, the ejiction opening of steam is set near cylindric washer (inner cylinder), therefore, For example when laundry amounts are big, if spraying steam from ejiction opening, there is a problem of producing the damage of cloth or fade.

The present invention is invented to solve above-mentioned existing issue, is prevented from producing cloth its object is to provide one kind Damage and the washing machine that fades.

Technical scheme for solving problem

The present invention provides a kind of washing machine, and it includes：Inner cylinder, receives washings；Outer barrel, can rotatably receive institute State inner cylinder；Feed water valve, supplies water to the outer barrel, and the washing machine is characterised by：With heater, to being supplied in described Washings in cylinder are heated, and the heater includes：Pipe portion, wherein flowing the washings；And heating part, by adding The washings that are flowed in the heat pipe portion switch real estate heat water and steam.

Invention effect

In accordance with the invention it is possible to provide the washing machine for being prevented from producing the damage of cloth and fade.

Brief description of the drawings

Fig. 1 is the stereoscopic figure of the washing machine for representing embodiments of the present invention.

Fig. 2 is the side view of the internal structure of the washing machine that outline represents embodiments of the present invention.

Fig. 3 is the stereogram for representing the circulation stream for being arranged at outer cover.

Fig. 4 is the front elevation of the internal structure of the washing machine for representing embodiments of the present invention.

Fig. 5 is the skeleton diagram of the water supply path for representing water supply electromagnetic valve.

Fig. 6 is the stereoscopic figure for representing heating unit.

Fig. 7 is the front elevation for representing heating unit.

Fig. 8 be in Fig. 7 I-I lines to pseudosection.

Fig. 9 be in Fig. 8 II-II lines to pseudosection.

Figure 10 is the summary construction diagram of the heating element heater of heating unit.

Figure 11 be in Fig. 4 III-III lines to pseudosection.

Figure 12 is to schematically show the side cutaway view from the spray regime of nozzle.

Figure 13 is the block diagram for representing washing machine.

Figure 14 is the process chart of the operating operation of the washing operating for illustrating washing machine (have wash cycles/have roller to rotate).

Figure 15 is the process chart of the operating operation of the washing operating for illustrating washing machine (without wash cycles/have roller to rotate).

Figure 16 is the process chart of the operating operation of the washing operating for illustrating washing machine (without wash cycles/without roller rotation).

Symbol description

1 cabinet

2 rollers (inner cylinder)

3 outer barrels

4 water supply electromagnetic valves (feed water valve)

4a water supply hose connectors

4b detergent water supply electromagnetic valves

4c finishing agent water supply electromagnetic valves

4d outer barrel water supply electromagnetic valves

4e cooling water magnetic valves

4f switching valves

5 heating units (heater)

The outer covers of 3d

11 rotary drum electrical motors

23 filter housings

24 circulating pumps

27 circulation streams

51 heater housings

52nd, 53 heat-resisting sleeve

54 aluminum hulls

54a pipe portions

55 heating element heaters (heating part)

56 thermal insulation barriers

57th, 58 heat-resistant hoses (the resilient pipe of tool)

100 roller washing and drying machines (washing machine)

Specific embodiment

Then, the washing machine (roller washing and drying machine) of the appropriate implementation method that present invention will be described in detail with reference to the accompanying. In addition, in the present embodiment, illustrated by taking the washing machine 100 with the circulating pump for making washing water circulation as an example, but The washing machine without circulating pump can be applied to.In addition, in the present embodiment, being said by taking roller washing and drying machine as an example It is bright, but can also be applied to vertical laundry apparatus, additionally it is possible to and the upright type washing machine suitable for no drying function is (so-called complete Automatic washing machine).

First, referring especially to Fig. 1 and Fig. 2, the overall structure of washing machine 100 (roller washing and drying machine) is illustrated.Fig. 1 is The stereoscopic figure of the washing machine of embodiments of the present invention is represented, Fig. 2 is the laundry that outline represents embodiments of the present invention The side view of the internal structure of machine.Front and rear direction up and down in below illustrating is with direction up and down before and after shown in Fig. 1 On the basis of.

As shown in figure 1, washing machine 100 includes constituting the cabinet 1 of outline, there is roller 2 (inner cylinder), outer in the cabinet 1 Cylinder 3, water supply electromagnetic valve 4 (feed water valve), heating unit 5 (heater) etc..

Cabinet 1 is installed on pedestal 1h, by left side plate 1a, 1b, radiator grille 1c, the back side cover 1d (reference picture 2), above Cover 1e and bottom radiator grille 1f are constituted.Left side plate 1a, 1b are by reinforcer 36 (reference picture 4), preceding reinforcer 37 in U font (reference picture 2), rear reinforcer are (not shown) to be combined, and is added pedestal 1h and is formed the cabinet 1 of box-shaped.It is provided with and water in upper mask 1e The soft suction hose connector 17a of the soft suction hose of the surplus water of the water supply hose connector 4a of the water supply hose of tap connection, bathing pool.

In addition, the center upper portion in cabinet 1 is provided with guidance panel 6.The guidance panel 6 includes that power switch 39, operation are pressed Button 12,13 and display 14.In addition, guidance panel 6 is electrically connected with the control device 38 (reference picture 2) of the bottom for being arranged at cabinet 1 Connect.

Fig. 2 is the side view of the internal structure of the washing machine that outline represents embodiments of the present invention.

As shown in Fig. 2 be provided with door 9 on preceding reinforcer 37,9 pairs of substantial middles for being arranged at radiator grille 1c of this are used for Closed the input port for picking and placeing clothing.Door 9 can be openedly and closedly supported by by being arranged at the hinge 9c of preceding reinforcer 37.Pass through The door open button 9d (reference picture 1) that pressing is arranged at radiator grille 1c opens door to discharge locking mechanism (not shown), by inciting somebody to action Door 9 is pressed against on radiator grille 1c is closed door being locked.In addition, preceding reinforcer 37 has the opening portion with following outer barrels 3 The concentric circular open portion for picking and placeing clothing.

Upper left-hand in cabinet 1 is provided with input container 19.Can be installed from front opening in the input container 19 and taken out Pull-type detergent pallet 7.In the case where detergent class articles for use are put into, the pull in the way of shown in the double dot dash line in Fig. 1 Detergent pallet 7.In addition, input container 19 is fixed on the upper reinforcer 36 of cabinet 1.In addition, the left surface of input container 19 Side somewhat to the rear has delivery port 19a.Delivery port 19a is formed at the minimum of the bottom surface of the input container 19 for being formed as mortar shape Position.

Water supply electromagnetic valve 4 (reference picture 1), bathing pool water pulsating pump 17, level sensor are provided with the rear side of input container 19 The 34 grades part related to water supply.There is water supplying unit 15 in the upper opening of input container 19.

As the roller 2 of washing and dewatering cylinder to there is round-ended cylinder shape, can rotatably be supported by.In addition, roller 2 is outside it Perisporium and bottom wall have the multiple through holes (omitting diagram) for water flowing and ventilation, are formed with for picking and placeing clothing in anterior end surface Opening portion 2a.In opening portion, the peripheral part of 2a is provided with the equal flows device 2b with the one of roller 2.In addition, in the rotation of roller 2 Heart axle level is inclined in the way of opening portion side uprises.

Outer barrel 3 is coaxial upper built with roller 2, front openings, in the outside center installation of back end surface to there is round-ended cylinder shape There is rotary drum electrical motor 11.Rotary drum electrical motor 11 makes roller 2 be rotated along forward and reverse direction.The rotating shaft of rotary drum electrical motor 11 runs through outer barrel 3, combined with roller 2.In addition, be provided with can be to the outer cover 3d of water storage in outer barrel 3 opening portion before outer barrel 3.In addition, The downside of outer barrel 3 is supported by the vibrationproof of shock absorber 8 for being fixed on pedestal 1h.Shock absorber 8 is configured in left and right, mainly absorbs above-below direction Vibration.The bellows 10 being made up of rubber is installed in the opening of outer barrel 3, by closing door 9, carrys out water seal outer barrel 3.

It is provided with to the feed water inlet 3a that water and/or detergent class articles for use are supplied in outer barrel 3 at the side rear portion of outer barrel 3.Supply water The delivery port 19a of mouth 3a and input container 19 is connected by the snake flexible pipe 20 being made up of rubber.In addition, concave recess 3f with The bottom side inner peripheral surface of outer barrel 3 is arranged in the axially extending mode of outer barrel 3.The bottom surface of recess 3f is for laterally rear side drops in the past Low inclined plane, is provided with discharge outlet 21 on rear side of recess 3f.Discharge outlet 21 is connected with snake flexible pipe 22 via joint 21a. The inflow entrance 18 of bottom cycle water is provided with front side of recess 3f.

Filter housings 23 are imported via water inlet is (not shown) from the draining of the discharge of discharge outlet 21, then via delivery port Importing scupper hose 26 (not shown).Draining valve 25 is provided with the midway of scupper hose 26.

In addition, the foot in the rear portion end face of outer barrel 3 is provided with air trap 3e.It is provided with and outer barrel in the bottom of air trap 3e The hole 3e1 of 3 (recess 3f) connections, the top of air trap 3e and level sensor 34 are connected by pipe 35, the water in detection outer barrel 3 Position

In addition, being provided with filter housings 23, circulating pump 24, draining valve 25 between outer barrel 3 and pedestal 1h.

Filter housings 23 are the cylindrical shape for having opening portion in front side, and inside is accommodated with removable filter and (omits Diagram), catch the foreign matter or velveteen in washings.In addition, filter housings 23 are arranged at bottom radiator grille 1f's by opening Door 1g, rotating handles 23d, and can easily dismount filter (omitting diagram).After the filter housings 23 are higher than with front side The mode of side is inclined.

Circulating pump 24 includes centrifugal pump, by pump case, impeller (also referred to as rotor (runner)), circulation pump motor (not Diagram).

Covered at the back side of cabinet 1 and be provided with drying pipeline 29 on the inside of 1d.The drying pipeline 29 be arranged at the rear portion of outer barrel 3 Air inlet is connected by the snake flexible pipe 29a being made up of rubber.In addition, being built-in with water-cooled dehumidifier structure in drying pipeline 29 (not shown).The water-cooled dehumidifier structure is connected with following cooling water magnetic valve 4e, when operation is dried, from cooling water Magnetic valve 4e is to the cooling water that water-cooled dehumidifying is imported in drying pipeline 29.

In addition, when operation is dried, by heater (not shown), blower fan etc. to hot blast is blown into roller 2, from clothing Evaporation moisture.Drying pipeline 29 is inhaled into as hot and humid air, by water-cooled dehumidifier structure cooling and dehumidifying (not shown) After become low temperature and low humidity air, by heater (not shown) heat after be blown into roller 2.Further, it is possible to use heat pump replaces Heater, water-cooled dehumidifier structure.

Fig. 3 is the stereogram for representing the circulation stream for being arranged at outer cover.

As shown in figure 3, one end of the connection snake of ejiction opening 44 flexible pipe 41 in circulating pump 24.The other end of snake flexible pipe 41 Introducing port 3g with circulation stream 27 is connected.Introducing port 3g is arranged at the outer surface of outer cover 3d.

Circulation stream 27 is made up of the integrally formed tubular conduit of the inner side perisporium of the outer cover 3d being made with resin.This is followed Circulation road 27 is formed deviously in the way of the opening 3s (reference picture 4) along outer cover 3d, and is formed at outer cover 3d tops Nozzle 27a connection.The washings that nozzle 27a will spray from the ejiction opening 44 of circulating pump 24 are from the top of outer cover 3d to rolling Injection in 2 (reference pictures 2) of cylinder.

In the state of the draining valve 25 (reference picture 2) is closed, if the circulation pump motor of circulating pump 24 (is not schemed Show) rotate forward, then the washings in outer barrel 3 (reference picture 2) from discharge outlet 21 (reference picture 2) by (reference of snake flexible pipe 22 Fig. 2), foreign matter is removed by the filter (omitting diagram) in filter housings 23 (reference picture 2).Then, washings pass through pump case (not shown), snake flexible pipe 41 are admitted to circulation stream 27 and are sprayed into roller 2 (reference picture 2) from nozzle 27a.

If in addition, the circulation pump motor of circulating pump 24 is (not shown) reversely rotating, washing in outer barrel 3 (reference picture 2) Water is washed from discharge outlet 21 (reference picture 2) by snake flexible pipe 22 (reference picture 2), by the mistake in filter housings 23 (reference picture 2) Filter (omitting diagram) removes foreign matter.Then, washings are by pump case (not shown), via snake flexible pipe 40 (reference picture 2) and Joint 18a (reference picture 2) is flowed back in outer barrel 3.Thus, reversely rotated by making circulating pump 24, carry out following detergent dissolving works Sequence.

Fig. 4 is the front elevation of the internal structure of the washing machine for representing embodiments of the present invention.

As shown in figure 4, the outer peripheral face (upper surface) in outer barrel 3 is formed with the fixed part that is formed as convex by synthetic resin 3t.The supporting member 71 that synthetic resin is made is fixed with the center of the left and right directions of upper reinforcing plate 36.Hung in supporting member 71 Firmly one end of helical spring 72, the other end of helical spring 72 is tangled in fixed part 3t, and outer barrel 3 hangs on via helical spring 72 Upper reinforcing plate 36.In addition, though diagram is eliminated, but, configuration before and after helical spring 72, the main front and back for absorbing outer barrel 3 To vibration.

Water supply electromagnetic valve 4 and heating unit 5 are arranged side-by-side in the top of outer barrel 3 in left and right directions.In addition, water supply electromagnetic valve 4 and heating unit 5 be individually fixed in reinforcer 36 in the left side of helical spring 72.Heating unit 5 is due to logical with outer cover 3d Following heat-resistant hoses 58 (the resilient pipe of the tool) connection with pliability (elasticity) is crossed, therefore when will not transmit the operating of outer barrel 3 Vibration.In addition, following water supply electromagnetic valves 4 etc. are fixed on the part of upper reinforcing plate 36 also with outer barrel 3 by with pliability Flexible pipe or snake flexible pipe are connected, therefore vibration of the outer barrel 3 when operating is not transferred to water supply electromagnetic valve 4 etc..

Water supply electromagnetic valve 4 includes detergent water supply electromagnetic valve (the first magnetic valve) 4b, finishing agent water supply electromagnetic valve (the second electricity Magnet valve) 4c, outer barrel water supply electromagnetic valve (the 3rd magnetic valve) 4d, cooling water magnetic valve (the 4th magnetic valve) 4e, with each ejection Mouth mode facing forward is constituted.

Fig. 5 is the skeleton diagram of the water supply path for representing heating unit.

As shown in figure 5, detergent water supply electromagnetic valve 4b is opened, thus the running water of self-water-supplying in future hose connection port 4a leads to Cross detergent input room (not shown) supplies of the water supply path L1 to detergent pallet 7.It is injected into detergent input room originally Water together with the detergent of input from input container 19 (reference picture 2) by snake flexible pipe 20 be injected into roller 2 and outer barrel 3 it Between.

Finishing agent water supply electromagnetic valve 4c is closed, and thus the running water of self-water-supplying in future hose connection port 4a passes through water supply path L2 is supplied to finishing agent input room (not shown) of detergent pallet 7.It is injected into the running water and input of finishing agent input room Finishing agent together, is injected between roller 2 and outer barrel 3 from input container 19 (reference picture 2) by snake flexible pipe 20.

Outer barrel water supply electromagnetic valve 4d is opened, and thus the running water of self-water-supplying in future hose connection port 4a passes through water supply path L3, snake flexible pipe 20 are supplied between roller 2 and outer barrel 3.

The running water of cooling water magnetic valve 4e self-water-supplying in future hose connection ports 4a is supplied to by water supply path L4 The water-cooled dehumidifier structure (not shown) of blowing line 30.

Switching valve 4f is provided with the midway of the water supply path L4 for connecting cooling water magnetic valve 4e and blowing line 30. One ejiction opening 4f1 of switching valve 4f is connected with the side of blowing line 30, and another ejiction opening 4f2 is (following with water supply path L5 Heat-resistant hose 57) connection.One end of heating unit 5, the other end and the water supply path L6 of heating unit 5 are connected in water supply path L5 (following heat-resistant hoses 58) is connected.Thus, heating unit 5 is connected by via switching valve 4f, can directly using using till today Water supply electromagnetic valve 4, therefore, it is possible to easily constitute the stream including heating unit 5.

In addition, passing through water supply path by the bathing pool water from soft suction hose connector 17a that bathing pool water supply-water pump 17 is aspirated L7, L3, snake flexible pipe 20 are supplied between roller 2 and outer barrel 3.

Fig. 6 is the stereoscopic figure for representing heating unit, and Fig. 7 is the front elevation for representing heating unit.In addition, being saved in Fig. 6 The diagram of water supply path L5, L6 (heat-resistant hose 57,58) for being connected with water supply electromagnetic valve 4 (reference picture 5) is omited.

As shown in fig. 6, the suitably switching of heating unit 5 produces steam and hot water, including import the entrance P1 of running water and lead The outlet P2 of the running water (steam or hot water) gone out after heating.

In addition, heating unit 5 has in the heater housing 51 of approximately parallelepiped body shape, elongated shape is formed as in fore-and-aft direction Shape.The heater housing 51 is made up of incorporating section 51a and cap 51b, is accommodated with following aluminum hulls 54.

Cap 51b can be arranged on incorporating section 51a free switch via hinge part 51c.In addition, in incorporating section 51a, with It is formed with thread protrusion 51d, 51d on the side plate of hinge part 51c opposite side, thread protrusion 51d, 51d is from top and screw 51f is threadedly coupled, and is set at spaced intervals in fore-and-aft direction.In cap 51b, in position corresponding with thread protrusion 51d shape Into stator 51e, 51e for thering is screw 51f to insert.

As shown in fig. 7, the foreboard in incorporating section 51a is formed with the breach 51h that is connected with the inside of heater housing 51.Should Breach 51h is formed as U-shaped in the way of upside opens.The heat-resisting sleeve 53 being installed on aluminum hull described later 54 it is local from this Breach 51h is protruded.

In addition, the back plate of incorporating section 51a is similarly formed with the breach 51g (ginsengs connected with the inside of heater housing 51 According to Fig. 8).In addition, be installed on the local of the heat-resisting sleeve 52 of aluminum hull described later 54 also being protruded from breach 51g.

Fig. 8 be in Fig. 7 I-I lines to pseudosection, Fig. 9 be in Fig. 8 II-II lines to pseudosection.In addition, Fig. 9 The state of heater housing 51 and thermal insulation barriers described later 56 is pulled down in expression from heating unit 5.

As shown in figure 8, heating unit 5 is in addition to heater housing 51 and heat-resisting sleeve 52,53, also including aluminum hull 54, Heating element heater 55 (heating part), thermal insulation barriers 56.

Aluminum hull 54 is formed by such as thermal conductivity aluminum alloy materials high, with the pipe portion for being axially facing fore-and-aft direction formation 54a and around pipe portion 54a receive heating element heater 55 element incorporating section 54b.Pipe portion 54a has connecting portion 54c, 54d, even Socket part 54c, 54d is formed on axial direction (fore-and-aft direction) must be more long than element incorporating section 54b.Thus, heating element heater described later 55 is not With running water directly contact.

Connecting portion 54c in entrance P1 sides is provided with heat-resisting sleeve 52, and the connecting portion 54d in outlet P2 sides is provided with heat-resisting Sleeve pipe 53.In addition, internal diameter (diameter) D of the length L of pipe portion 54a much larger than pipe portion 54a.Heat-resisting sleeve 52 has and connecting portion 54c chimeric large-diameter portion 52a and the minor diameter part 52b, large-diameter portion 52a that possess the internal diameter D2 smaller than the internal diameter D1 of large-diameter portion 52a Axle center it is consistent with the axle center of minor diameter part 52b.In addition, the axle center of pipe portion 54a is consistent with the axle center of heat-resisting sleeve 52.Heat-resisting sleeve 53 is also identical with heat-resisting sleeve 52, with large-diameter portion 53a and minor diameter part 53b, the axle center of large-diameter portion 53a, the axle of minor diameter part 53b The heart, the axle center of pipe portion 54a distinguish consistent.

In addition, between large-diameter portion 52a, 53a and minor diameter part 52b, 53b have from large-diameter portion 52a, 53a to minor diameter part 52b, 53b goes the shape that internal diameter reduces.In addition, the front end of the part including large-diameter portion 52a of heat-resisting sleeve 52 is from heater housing 51 breach 51g is protruded laterally.In addition, the front end of the part including large-diameter portion 53a of heat-resisting sleeve 53 is from outside heater The breach 51h of shell 51 is protruded laterally.

Heating element heater 55 for example includes PTC (Positive Temperature Coefficient：Positive temperature coefficient) unit Part (ptc heater).By using PTC-element, ceiling temperature during heating can be previously set, be prevented from component temperature mistake Degree is raised.In addition, heating element heater 55 is not limited to PTC-element, it is also possible to use the element of other species such as sheathed heater.

In addition, heating element heater 55 is tabular, by being inserted into element incorporating section 54b, element incorporating section 54b is along pipe portion The axially configuration of 54a.Washings are heated therefore, it is possible to the axial entirety in pipe portion 54a.

Thermal insulation barriers 56 include mineral wool, asbestos etc., are set around the surrounding of aluminum hull 54.Aluminum hull 54 is being wound by thermal insulation barriers 56 It is accommodated under state in the heater housing 51 that resin is made.Thus, thermal insulation barriers 56 are configured by around the surrounding of aluminum hull 54, is suppressed The heat that heating element heater 55 is produced is to the external cooling of heater housing 51, the heat transfer that effectively can be produced heating element heater 55 To pipe portion 54a.

As shown in figure 9, the section of aluminum hull 54 is substantially rectangular, heating is configured with up and down in central pipe portion 54a Element 55.In addition, aluminum hull 54 has the square for the insertion of heating element heater 55 respectively on the top of pipe portion 54a, lower section, left side, right side The element incorporating section 54b of shape.The section of upper and lower element incorporating section 54b is grown crosswise, and the section of left and right element incorporating section 54b is lengthwise. In addition, each element incorporating section 54b is formed as linear to the direction vertical with paper along pipe portion 54a.In addition, though not scheming Show, but heating element heater 55 is accommodated in the 54b of element incorporating section with the state coated by insulating trip.

In addition, the corner of the corner of aluminum hull 54 has to the concave cut recess 54e of axle center O.Thereby, it is possible to suppress The heat of heating element heater 55 is seized by corner, the heat of heating element heater 55 effectively can be focused on into pipe portion 54a.

In such heating unit 5 for constituting, by using entrance P1 from minor diameter part 52b to large-diameter portion 52a and Outlet P2 can make from the supply of entrance P1 sides from large-diameter portion 53a to the shape of minor diameter part 53b between entrance P1 and outlet P2 Running water (washings) is resided in pipe portion 54a, can form the state of liquid and gaseous state mixing, can produce steam.

Figure 10 is the summary construction diagram of the heating element heater of heating unit.

As shown in Figure 10, heating element heater 55 is by fuel plate portion 55a and a pair of electrodes for the both sides for clipping element portion 55a Plate 55b, 55c are constituted.In addition, in battery lead plate 55b, 55c one be positive pole, another is negative pole.In addition, adjacent element portion Battery lead plate 55b, 55b of 55a is connected by common wire (lead) 55d.In addition, adjacent battery lead plate 55c, 55c pass through common wire (lead) 55e is connected.And, battery lead plate 55b, 55c of a heating element heater 55 in four heating element heaters 55 be connected with Lead 55f, 55g of the external connection of heating unit 5.Connector 55h, 55h are provided with the front end of the lead 55f, 55g, the company Meet device 55h, 55h and be connected with the connector (not shown) extended from mains side.

Thus, multiple heating element heaters 55 are connected in parallel, lead 55f, the 55g that will be drawn from heating unit 5 constitute one group (two), the quantity thus, it is possible to reduce the distribution being connected with heating unit 5, can make being easily installed for heating unit 5.By This, is even if the quantity of heating element heater 55 is more than five, can reply as long as drawing two leads from heating unit 5.In addition, In present embodiment, it is illustrated in case of heating unit 5 has four heating element heaters 55, however, it is possible to have The heating element heater 55 of more than five, it is possible to have the heating element heater 55 of less than three.

Figure 11 is the III-III lines of Fig. 4 to pseudosection.

As shown in figure 11, heating unit 5 by make pipe portion 54a be axially facing fore-and-aft direction in the way of landscape configuration in outer barrel 3 top.In addition, in heating unit 5, claw 51i is formed in the upper surface of heater housing 51, heating unit 5 passes through the pawl Portion 51i tangles the rear end edge of reinforcer 36.In addition, heating unit 5 is with central-front side and the upper reinforcer 36 of axial direction The mode of surface contact is configured, and is configured in the way of the center rear of axial direction is rearward protruded from upper reinforcer 36.

In addition, one end (downstream) of the connection heat-resistant hose 57 of heat-resisting sleeve 52 in heating unit 5, heat-resistant hose 57 The other end (upstream end) is connected with the ejiction opening 4f2 of switching valve 4f.In addition, the heat-resisting sleeve 53 in heating unit 5 connects heat-resisting One end (upstream end) of flexible pipe 58, the introduction part 3h of the other end of heat-resistant hose 58 and the front-surface side for being formed at outer cover 3d (reference picture 4) is connected.

In such heating unit 5 for constituting, in the state of the energization of heating element heater 55, switching valve 4f is switched to heating The side of unit 5, controls the ON/OFF of cooling water magnetic valve 4e (reference picture 5) of water supply electromagnetic valve 4, and thus running water (is washed Wash water) by the pipe portion 54a of the importing heating unit 5 of heat-resistant hose 57.And, the running water for flowing through pipe portion 54a is carried out self-heating The heat heating of element 55, produces steam or hot water.

That is, in the case of producing steam ST in heating unit 5, the empty burning of heating unit 5 is made before running water is supplied first, The temperature of pipe portion 54a is set to increase.That is, it is powered by making heating element heater 55, aluminum hull 54 is heated due to heat transfer, pipe portion 54a (flow path surfaces) are heated.After the temperature of pipe portion 54a rises to set point of temperature (maximum), cooling water magnetic valve 4e is entered Row ON/OFF is controlled, and the running water of ormal weight is supplied into pipe portion 54a via heat-resistant hose 57.In addition, ormal weight refers to energy Enough produce the amount (a small amount of) of steam.It is originally water when a small amount of running water is supplied to pipe portion 54a, produce water vapour (steam ST).In this case, when supplying running water to pipe portion 54a, the flow path surfaces temperature reduction of pipe portion 54a, supply ormal weight is (few Amount) running water after, disconnect cooling water magnetic valve 4e and stop the supply of running water, thus the temperature of pipe portion 54a is again Degree rises to set point of temperature.Thus, running water is supplied off and on, recovers the temperature of pipe portion 54a while supplying running water, make The flow path surfaces temperature of pipe portion 54a is maintained more than the temperature range of steam ST generations, so as to produce steam ST off and on.

In addition, in the case of producing hot water HW in heating unit 5, being supplied water after the empty burning of heating unit 5 is made, or start to supply Heating unit 5 is powered after water, be thus the temperature for not producing steam by the temperature control of the flow path surfaces of pipe portion 54a.For example, Carry out ON/OFF control to cooling water magnetic valve 4e and continuous water supply, thus producing can not become the hot water of steam ST (hot water HW).

The steam ST produced by heating unit 5 is pushed out to heat-resistant hose 58 in the presence of the steam pressure for producing at that time Side.In addition, effects of the hot water HW produced by heating unit 5 in the pressure of supply water (hydraulic pressure) from cooling water magnetic valve 4e Under be pushed out to the side of heat-resistant hose 58.Thus, the pipe portion 54a of supply running water goes back either in the case where steam ST is produced It is in the case of producing hot water HW, to be used as public channel.

Figure 12 is the side cutaway view of the spray regime for schematically showing steam/heat water.In addition, in fig. 12, for side Just illustrate, overlap illustrates the hot gas and hot water HW of steam ST changes, in fact, in clothing supply hot gas and hot water HW Anyone.

As shown in figure 12, the direction setting of nozzle 59 is the border towards main board 2c and base plate 2d as roller 2 Corner (position of bottom) P of bottom side.And, the steam ST produced by heating unit 5 by heat-resistant hose 58 from spray Temperature is reduced before mouth 59 sprays, and so as to become hot gas (water droplet of high temperature, liquid) from steam ST (gaseous state), heat is sprayed to clothing Gas (liquid), and non-steam (gaseous state).On the other hand, the hot water HW for being produced by heating unit 5 by after heat-resistant hose 58 from spray Mouth 59 is sprayed, and washings (clothing) is ejected into the state of hot water HW (liquid).

Figure 13 is the block diagram for representing washing machine.

As shown in figure 13, control device 38 includes microcomputer 50, driving circuit 64 etc., also with the behaviour shown in Fig. 1 Make the make-and-break signal of button 12,13 and the input circuit of the output signal from various sensors etc..In addition, microcomputer 50 Receive the various information signals in the operation and washing procedure, baking operation of user.Microcomputer 50 is via driving circuit 64 It is connected with the rotary drum electrical motor 11 shown in Fig. 2, water supply electromagnetic valve 4, draining valve 25, blower fan (omit diagram) etc., controls them Switch, rotation, be powered.In addition, the relevant information in order to inform the user washing machine 100, controls (the reference picture of display 14 1), light-emitting component 66 and buzzer 67.

Figure 14 is the process chart of the operating operation of the washing operating for illustrating washing machine (have wash cycles/have roller to rotate). In addition, circle (zero) in Figure 14 represent by carrying out switch control to each water supply electromagnetic valve 4b, 4c, 4d, 4e be supplied from come Water and closing draining valve 25.

As shown in figure 14, in step sl, control device 38 receives the defeated of the procedure Selection of the operating operation of washing machine 100 Enter (procedure Selection).Here, user opens door 9, to the clothing to be washed is put into inside roller 2, door 9 is closed.Then, Yong Hutong Operation operation button 12,13 is crossed, the program of operating operation is selected and be input into.By operating operation button 12,13, to control device The program of the 38 operating operations for being input into selection.Control device 38 is based on the program of the operating operation of input, from operation mode data Corresponding operation mode is read in storehouse, into step S2.In addition, in the following description, with (the washing~rinsing two of selection standard program It is secondary~dehydration) as a example by illustrate.

In step s 2, operation (the cloth amount of the weight (cloth amount) of the clothing in the examinations of control device 38 input roller 2 Detection).Specifically, the driving of control device 38 rotary drum electrical motor 11 rotates roller 2, and calculates the weight of the clothing before water filling Amount (cloth amount).

In step s3, control device 38 implements to calculate the operation of the detergent amount duration of runs (when detergent amount is operated Between calculate).Specifically, the control of control device 38 water supply electromagnetic valve 4 directs out feed water inlet 3a (reference picture 2) water supply of cylinder 3. Conductivity sensor (omitting diagram) the detection institute that the conductivity measurement portion of control device 38 configures via the inner bottom part in outer barrel 3 The electrical conductivity (hardness) of the water of supply.In addition, detecting the temperature of supplied water by sensor.Then, water supply electromagnetism is controlled Valve 4 terminates the water supply to outer barrel 3.

Control device 38 is based on cloth amount, the electrical conductivity of water (hardness), the temperature of water detected in step S2, by scheming to examine Rope, determines detergent amount and the duration of runs of input.And, the detergent amount duration of runs display that control device 38 will be determined On display 14.In addition, as supplying water to outer barrel 3 and detect that the electrical conductivity (hardness) of water and the device of water temperature are said It is bright, but, however it is not limited to this.For example, the electrical conductivity (hardness) and water temperature of water when can last time be operated are stored in microcomputer In the storage part (not shown) of calculation machine 50, and utilized.

In step s 4, control device 38 implements detergent operation to be put into (detergent operation to be put into).For example, control Enter step S5 after the standby stipulated time of device 38.User refers to the detergent amount shown on standby middle display 14, to washing Detergent class articles for use are added in agent pallet 7.In addition, control device 38 can also be constituted as follows：By detecting detergent pallet 7 The device (not shown) of switch, in the case of being closed after the opening of detergent pallet 7, after being set to put into detergent class articles for use, Into step S5.

In step s 5, control device 38 implements detergent dissolution process (detergent dissolution process).For example, control device 38 control detergent water supply electromagnetic valve 4b, wash via water supply path L1 to the powder detergent input room of detergent box 7 and liquid Wash water supply in agent input room.Powder detergent puts into room and the detergent of liquid detergent input room is sent out with water via detergent Pipe, snake flexible pipe 20, the feed water inlet 3a positioned at the upper back of outer barrel 3, be formed at outer barrel 3 bottom wall inner surface water supply path, The recess 3f of outer barrel 3 is flowed into from its outlet.

Supply water to after regulation water, the control detergent water supply electromagnetic valve of control device 38 4b stops supplying water.And, control dress Put 38 implementation detergent dissolvings action (detergent dissolving action).Specifically, the control of control device 38 circulating pump 24 (inverse rotation Turn), make the water sucked via snake flexible pipe 22 from discharge outlet 21 and detergent via snake flexible pipe 40 from the inflow entrance of recess 3f 18 discharges.

Flowed in recess 3f from the water and detergent of the discharge of inflow entrance 18, flow to discharge outlet 21 and be circulated.Thus, water It is stirred with detergent, detergent is dissolved in the water.By after the stipulated time (for example, 10 seconds), control device 38 makes circulating pump 24 stop, into step S6.

In step s 6, control device 38 implements steam (steam)/hot water supply operation (steam/heat water supply step). For example, the control cooling water magnetic valve 4e of control device 38, and switching valve 4f is switched to the side of heating unit 5, to heating Unit 5 is powered.Rotary speed (for example, 40r/min) forward and reverse rotation that the one side of control device 38 makes roller 2 to specify, While producing steam (steam) or hot water in heating unit 5.

For example, in the washing machine of specified 10kg, being judged as having put into 6kg clothings in the cloth amount detection by step S2 In the case of, judge that the ejiction opening of nozzle 59 is small with the distance of clothing, in heating unit 5, hot water HW is produced (for example, 25 DEG C ~65 DEG C), and non-steam ST, thus, hot water is sprayed from nozzle 59 to clothing.

In addition, in the case where the cloth amount detection by step S2 is judged as having put into 2,3kg clothings, the ejection of nozzle 59 Maintained a certain distance between mouth and clothing, therefore in heating unit 5, produce steam ST.Thus, produced by heating unit 5 Steam ST sprayed from the ejiction opening of nozzle 59 by after heat-resistant hose 58, nozzle 59.And, warm from before the ejection of nozzle 59 Degree is reduced, and high temperature hot gas are become from steam ST, and vaporific high temperature hot gas are sprayed to clothing.

In addition, being detected in the cloth amount by step S2, the control of steam and the switching of hot water is not only carried out, also by step In the case that the cloth amount detection judgement of S2 has put into 6kg clothings, the ejiction opening of nozzle 59 is small with the distance of clothing, therefore, it can Hot water HW is produced in heating unit 5, then in the case that the volume of clothing is reduced, steam ST is produced clothing is aqueous, to Clothing sprays vaporific high temperature hot gas.

Thus, it is possible to be divided into two stages be controlled, i.e.,：Detected by the cloth amount of step S2 and judge nozzle 59 and clothing Distance, not only to producing steam ST still to produce hot water HW to determine, but also be judged as nozzle 59 and clothing away from The volume that hot water HW reduces clothing is sprayed in the case of small first, is being judged as maintaining a spacing between nozzle 59 and clothing Steam ST is sprayed in the case of.That is, not necessarily the amount according to clothing (washings) switches steam ST and hot water HW.

In the step s 7, control device 38 is implemented to pre-wash agitating procedure 1.Herein pre-wash agitating procedure 1 refer to by Steam or hot water in step S6 spray backward clothing injection temperation running water higher, the detergent of whipping step S5 to clothing The detergent concentration of generation washings higher in dissolution process, make its immersion clothing.

Specifically, rotary speed (such as 40rpm that the control of control device 38 rotary drum electrical motor 11 makes roller 2 to specify [r/min]) rotation, clothing is changed, and control circulating pump 24 to reach the rotary speed (such as 2600r/min) of regulation (rotating forward), by the detergent concentration sucked from discharge outlet 21 washings high from the nozzle 27a of the opening portion for being arranged at outer barrel 3 to The inside of roller 2 sprays.Thus, mixed by by detergent concentration washings high (washings) and hot water equitemperature washings high Close, the enzyme in detergent can be activated, and washings can be made to be sufficiently submerged in clothing, lift detergency.

In addition, in the present embodiment, implement step S6 and step S7 as independent operation, but can also be by step Rapid S7 is incorporated in step S6, and circulating pump 24 is controlled while steam or hot water is supplied, and makes washing water circulation.

In step s 8, control device 38 implements rotation water process (rotation water process).Specifically, control device 38 control detergent water supply electromagnetic valve 4b and outer barrel water supply electromagnetic valve 4d to lift the water level of the washings in outer barrel 3.And, Control device 38 is controlled rotary drum electrical motor 11 and roller 2 is rotated with the rotary speed (such as 40r/min) of regulation, is more changed one's clothes Thing.In addition, the control circulating pump 24 of control device 38 reaches the rotary speed (such as 2600r/min) (rotating forward) of regulation, from The detergent concentration washings high of the suction of discharge outlet 21 are from being arranged at the nozzle 27a of the opening portion of outer barrel 3 to spraying inside roller 2 Go out, so that in the clothing immersed inside roller 2.

And, after the water level of the washed water of outer barrel 3 rises to predetermined water level, stop supplying water.Start rotation water process and By after the stipulated time, terminating rotation water process, into step S9.

In step s 9, control device 38 is implemented to pre-wash agitating procedure 2.The agitating procedure that pre-washes herein is to instigate to stay The operation of the washing water circulation of the bottom of outer barrel 3 is stayed in, detergency is thus lifted.

Specifically, the control of control device 38 circulating pump 24 reaches the rotary speed (such as 3200r/min) of regulation, Make to be sprayed to inside roller 2 from the nozzle 27a of the opening portion of outer barrel 3 is arranged at from the washings of the suction of discharge outlet 21, and control The rotary speed (such as 100r/min) that rotary drum electrical motor processed 11 makes roller 2 to specify rotates, thus under the influence of centrifugal force The clothing inside roller 2 is attached to its periphery wall inner surface, prevent the mechanical force for applying to be produced when being fallen from roller top.

In addition, in the present embodiment, rotating forward roller 2, it is also possible to make it reversely or forward and reverse rotation.By rule Fix time after (for example, 3 minutes), control device 38 terminates to pre-wash agitating procedure, into step S10.

In step slo, control device 38 implements formal wash agitation operation.Here, formal washing procedure refers to pass through The rotation of roller 2 lifts to reside in roller 2 falls its top from roller 2 after the clothing of lower section, and thus clothing is applied Plus mechanical force and beat washing.

Specifically, the control of control device 38 circulating pump 24 reaches regulation flow (such as 3200r/min), makes from row The washings of the suction of the mouth of a river 21 spray from the nozzle 27a of the opening portion of outer barrel 3 is arranged to inside roller 2, and control roller The rotary speed (such as 40r/min) that motor 11 makes roller 2 to specify rotates, and thus the clothing inside roller 2 is beaten Wash.Through after the time (for example, 6 minutes) for regulation, control device 38 terminates formal wash agitation operation, into step S11.

In step s 11, control device 38 implements drainage procedure.Control device 38 makes rotary drum electrical motor 11 and circulating pump 24 Stop, opening draining valve 25, the washings in discharge outer barrel 3.Level sensor 34 continues to monitor in the outer barrel 3 in draining The water level of washings.If the detected value of level sensor 34 is less than predetermined water level, control device 38 terminates drainage procedure, enters Step S12.

In step s 12, control device 38 implements 1 operation of dehydration.Control device 38 is in the shape for keeping draining valve 25 to open Under state, make the reversely rotation (such as 1250r/min) at a high speed of roller 2, take off contained washings in clothing.By the stipulated time When, control device 38 terminates 1 operation of dehydration, into step S13.

In step s 13, control device 38 implements rotary watering operation.The one side of control device 38 makes the reverse middling speed of roller 2 Rotation (such as 260r/min), while controlling outer barrel water supply electromagnetic valve 4d to spill clothing in the state of draining valve 25 is opened Water.The control time of outer barrel water supply electromagnetic valve 4d now, according in step S2 detection obtained by cloth amount and be determined.Have passed through After the time of regulation, stop supplying water.Control circulating pump 24 reaches regulation flow (such as 3200r/min), makes from discharge outlet The washings of 21 suctions spray from the nozzle 27a of the opening portion for being arranged at outer barrel 3 to the inside of roller 2.During by the stipulated time, Stop circulating pump 24, open draining valve 25, the washings in discharge outer barrel 3.

In step S14, control device 38 implements 2 operations of dehydration.Control device 38 is in the shape for keeping draining valve 25 to open Under state, make the reversely rotation (such as 1250r/min) at a high speed of roller 2, take off contained washings in clothing.By the stipulated time When, control device 38 terminates 2 operations of dehydration, into step S15.

In step S15, control device 38 implements water process.Control device 38 closes draining valve 25, controls detergent Water supply electromagnetic valve 4b, to supplying washings in outer barrel 3.When rising to predetermined water level, stop supplying water, control device 38 terminates to supply water Operation, into step S16.

In step s 16, control device 38 implements finishing agent water process.Control device 38 controls finishing agent water supply electromagnetism Valve 4c, to washings of the supply containing submissive finishing agent in outer barrel 3.

In step S17, control device 38 implements rotation water supply moisturizing operation.The control detergent of control device 38 supplies water Magnetic valve 4b and outer barrel water supply electromagnetic valve 4d, supplies water to predetermined water level to outer barrel 3.In addition, the control roller of control device 38 is electronic Machine 11 rotates roller 2, and control circulating pump 24 reaches regulation flow (such as 2600r/min), makes to be sucked from discharge outlet 21 Inside of the washings from the nozzle 27a of the opening portion for being arranged at outer barrel 3 to roller 2 spray, make submissive finishing agent immersion clothing.

In step S18, control device 38 implements rinsing agitating procedure.The control rotary drum electrical motor 11 of control device 38 makes rolling Cylinder 2 rotates, and control circulating pump 24 reaches regulation flow (such as 3200r/min), makes the washings from the suction of discharge outlet 21 Sprayed to the inside of roller 2 from the nozzle 27a of the opening portion for being arranged at outer barrel 3, rinsing clothes.And, during by the stipulated time, Control device 38 terminates rinsing agitating procedure, into step S19.

In step S19, control device 38 implements drainage procedure.Control device 38 makes rotary drum electrical motor 11 and circulating pump 24 Stop, opening draining valve 25 to discharge the washings in outer barrel 3.Level sensor 34 continues to monitor the outer barrel 3 in draining The water level of interior washings.If the detected value of level sensor 34 is less than predetermined water level, control device 38 terminates drainage procedure, Into step S20.

In step S20, control device 38 implements dehydration procedure.Specifically, control device 38 opens draining valve 25, and And control rotary drum electrical motor 11 makes (for example, 1000r/min) rotation at a high speed of roller 2, makes clothing centrifugal dehydration.And, by rule When fixing time, control device 38 stops rotary drum electrical motor 11, closes draining valve 25, terminates washing procedure (washing~rinsing~de- Water).

Figure 15 is the process chart of the operating operation of the washing operating for illustrating washing machine (without wash cycles/have roller to rotate). Figure 16 is the process chart of the operating operation of the washing operating for illustrating washing machine (without wash cycles/have roller to rotate).In addition, Figure 15 Operation refer to that the situation of stirring 2 (step S9) of pre-washing is removed from the operation of Figure 14, that is, control circulating pump 24 not followed The situation of ring cleaning.The operation of Figure 16 refers to remove to pre-wash cleaning 2 (step the S9) (work of heating unit 5 from the operation of Figure 14 When making, control circulating pump 24 is not circulated cleaning), and make the situation that roller 2 stops the rotation in the operation of step S6.

Even if in the operation shown in Figure 15 and Figure 16, by by detergent concentration washings high (washings) and hot water Equitemperature washings high are mixed, it is also possible to activate the enzyme in detergent and washings can be made to be sufficiently submerged in clothing, Lifting detergency.In addition, as described above, step S6 and step S7 are implemented as independent operation, but can also be by step S7 Step S6 is incorporated to, circulating pump 24 is controlled while steam or hot water is supplied, make washing water circulation.

As described above, the washing machine 100 according to present embodiment, by with make washings switch real estate heat water HW and The heating unit 5 of steam ST, can spray hot water HW, in nozzle 59 in the case where the distance of nozzle 59 and clothing is small to clothing Hot gas is sprayed to clothing in the case of big with the distance of clothing, therefore, it is possible to preventing the damage of cloth and fading.In addition, passing through one Pipe portion 54a (public pipe portion 54a), allows hand over the generation of steam ST and hot water HW, therefore, it is possible to minimize heating unit 5.

In addition, in the present embodiment, constituting heating element heater 55 by using PTC-element such that it is able to easily control Temperature during heating pipe portion 54a.

In addition, in the present embodiment, being connected with water supply electromagnetic valve 4 by making heating unit 5, can use and use till today Water supply electromagnetic valve 4, can more easily constitute the stream including heating unit 5.In addition, only passing through leading for water supply electromagnetic valve 4 On/off opens the i.e. changeable steam ST and hot water HW of control.That is, ON/OFF control is carried out by water supply electromagnetic valve 4, can The flow of running water is controlled, therefore, it is possible to produce steam ST by reducing the flow of running water, can be by increasing running water Flow produce hot water HW.

In addition, in the present embodiment, by the way that with around the covering heating elements 55 of thermal insulation barriers 56, heating unit can be suppressed The heat that part 55 is produced can make heat be efficiently transferred to pipe portion 54a sides, additionally it is possible to suppress power consumption to external cooling.

In addition, in the present embodiment, by the upper reinforcing plate that heating unit 5 is fixed on the part for constituting cabinet 1 36, heating unit 5 and outer barrel 3 are connected via having resilient heat-resistant hose 58 such that it is able to outer barrel 3 when preventing operating Vibration is delivered to heating unit 5, and steam ST or hot water HW can be stably produced in heating unit 5.

In addition, in the present embodiment, with multiple heating element heaters 55, the electrical connection in parallel of each heating element heater 55, so as to Enough electric wires (lead 55f, 559) that will be drawn from heating unit 5 are set to two.Thus, without configuring many electric wires, therefore it is made Being easily installed in washing machine 100.

Above, embodiments of the present invention are illustrated, the invention is not restricted to the implementation method, can be entered in a variety of ways Row is implemented.For example, be illustrated in case of to be equipped with the multiple heating element heaters 55 being connected in parallel, but be not restricted to that This, by carrying multiple heating element heaters 55, increases and decreases the quantity of the heating element heater 55 being powered, it is also possible to control the temperature of steam ST, The temperature of hot water HW can also be controlled.

In addition, in the present embodiment, to heat the running water from water tap in case of be illustrated, But it is also possible to using the heating residence of circulating pump 24 in the washings at the bottom of outer barrel 3.By heating washings, washing can be activated Enzyme in agent, lifts detergency.

Claims (6)

1. a kind of washing machine, it includes：Inner cylinder, its storage washings；Outer barrel, it is in the way of the inner cylinder can be rotated freely Receive the inner cylinder；Feed water valve, it supplies water to the outer barrel, and the washing machine is characterised by：

With heater, it is heated to the washings being supplied in the inner cylinder,

The heater includes：Pipe portion, wherein flowing the washings；And heating part, it passes through to heat stream in the pipe portion The dynamic washings switch real estate heat water and steam,

The hot water and the steam are ejected into described through public stream from the nozzle configured towards the bottom of the inner cylinder On the washings in inner cylinder,

The hot water is sprayed to the washings in the case where the nozzle is small with the distance of the washings, in the nozzle In the case of big with the distance of the washings steam is sprayed to the washings.

2. washing machine according to claim 1, it is characterised in that：

The heating part is ptc heater.

3. washing machine according to claim 1 and 2, it is characterised in that

The heater is connected with the feed water valve.

4. washing machine according to claim 1 and 2, it is characterised in that

Surrounded by thermal insulation barriers around the heating part.

5. washing machine according to claim 1 and 2, it is characterised in that

The heating part has multiple heating element heaters,

Each heating element heater electrical connection in parallel.

6. washing machine according to claim 1 and 2, it is characterised in that

The heater is fixed on the cabinet of outer barrel described in elastic bearing,

The heater and the outer barrel are connected via having resilient pipe.