CN101092784A - Washing dryer - Google Patents

Abstract

washing drier, which is characterized in that the washing drier washes and dries the clothes contained in the cylinder and is provides with a fan device for guiding the hot wind heated by the heating source to the cylinder when drying, wherein the cylinder can be rotatably supported inside the water groove in the basket body; the fan device is composed of a feeding fan, a fan cover and a motor for driving the feeding fan; the arrangement is longitudinal that leads the suction inlet opening on transverse direction; drain opening is arranged at the lower part of the fan cover; a water storage part is disposed in the water draining path below the drain opening. The invention keeps the air feeding performance, because even if the water spray flies into the pipe and into the fan device due to washing dehydration, the water spray will drain out of the fan cover. Additionally, the fan cover is located at the lower part of the main body, thus the fan can be large-size and with a powerful air feeding performance.

Description

Scrubbing-and-drying unit

Technical field

The present invention relates to possess the scrubbing-and-drying unit that comes the function of the clothing in the drying drum (drum) with hot blast.

Background technology

For example such shown in the concept map of Fig. 5, the existing washing of carrying out clothing and dry drum-type washing drying machine (drum-type washer-dryer) are in the rectangular-shaped basket 52 that forms gabarit, to be horizontal slurry groove 57 cylindraceous flexibly supports in the mode that raises with respect to horizontal direction the place ahead, in the inside of this tank 57, be provided with by the DC brushless motor on the back that is installed in tank 57 (DC brushless motor) 67 and directly rotate the horizontal shaft type cylinder 66 that drives.

In the front face side that is arranged at described basket 52, be used to drop into the input port 64 of taking out washings, be equipped with the door (door) 65 that opens and closes input port 64, in washing, close (lock) door 65 during dehydration, thereby form washings in the tank 57 and can be etc. do not overflow such airtight construction to the outside from the gap, when washings dry, the hot blast that the drying unit (drying unit) that will be made of the drying heater (dryingheater) and the fan (fan) of the top that is configured in described tank 57 is generated imports in the described cylinder 59, thereby make dryings such as clothing, in addition as shown in the figure, such supply of commodities is arranged on market recently, and it possesses the drying device that condensation heat that heat pump (heat pump) is produced is utilized.

Also have, in the scrubbing-and-drying unit 51 of drying device with described heat-pump-type, because the weight of the parts of formation heat pump assembly is heavier, so normally, blocking is provided with evaporimeter 73, condenser 71, compressor 70 etc. (unitize) on the base plate 53 that forms basket 52 bottom surfaces, for make hot blast by supply and exhaust pipe (plumbing duct) thus the fan assemblys (fan equipment) 80 of 84,85 circulations in cylinder 66, it is configured in the bottom position adjacent with this heat pump unit (heat pump unit) 69.

But, when fan assembly 80 is positioned at the bottom, just become the below that is positioned at tank 57, there is following possibility, the water spittle when promptly washing, during dehydrating operation fly into be positioned at lower side give tracheae (air supply duct) 84, then flow down, and then flow into the fan guard (fan casing) 82 of the fan assembly 80 be positioned at the below and accumulate; If water accumulates in the fan guard 82, then there is following possibility, i.e. the rotation of Air Blast fan (blower fan) 81 is broken down, and it is difficult that rotation becomes, and causes the wind pushing performance that can not obtain being scheduled to.

As corresponding structure, for example open and proposed a kind of structure in the 2002-360992 communique the spy, it is a kind of water-cooled dehumidification pipe, before drying being heated with circulating air by heater (heater), it dehumidifies with circulating air to drying by the cooling of being undertaken by watering, in this structure, the water spittle during for washing dehydration flies into the water of the fan guard portion that accumulates in dry-heat air circulation usefulness in the pipe then from cylinder, do not handle, but on fan guard, be provided with water discharge outlet (drain aperture), thereby the water that enters is discharged (for example, with reference to patent documentation 1).

Patent documentation 1: the spy opens 2002-360992 communique (Fig. 5～7)

Therefore, in the structure shown in the described patent documentation 1, utilize the water in the fan guard gravity and from the water discharge outlet draining, so drainage channel, displacement can (drain tank) are provided in the position lower than water discharge outlet.In addition, when having barriers such as miscellaneous part on the drainage channel between from the water discharge outlet to the displacement can, problem is difficult to avoid, the free degree of layout (layout) design reduces, because these restrictions, the volume of fan assembly part becomes big, especially is difficult to densification (downsizing) on short transverse, causes and can not will be used to increase the Air Blast fan enlarged-diameter of air circulation.

Summary of the invention

The present invention considers the problems referred to above and makes, its purpose is, a kind of scrubbing-and-drying unit is provided, even if go forward side by side in the pipe in the fan assembly because the water spittle during washing dehydration causes water droplet to fly into, can in fan guard, not accumulate yet but discharge, thereby the wind pushing performance that keeps fan, and be positioned at lower body part by the position that makes fan guard, can realize that fan maximizes, the increase of air-supply power.

In order to solve above-mentioned problem, the invention provides a kind of scrubbing-and-drying unit, it is characterized in that: this scrubbing-and-drying unit washs and drying the clothing that is incorporated in the cylinder, and possessing the fan assembly that when drying is moved, will import in the described cylinder by the hot blast of heating source heating, wherein said cylinder can be supported on the inside of the tank in the basket rotatably; Described fan assembly is made of the motor of Air Blast fan, fan guard and the described Air Blast fan of driving, be configured such that the suction inlet vertical formula configuration of opening in a lateral direction, bottom at fan guard possesses water discharge outlet, and is being provided with water storing unit with drainage channel that this water discharge outlet is compared below being arranged in.

According to scrubbing-and-drying unit of the present invention, entering dry air circulation can not accumulate with the interior water spittle of fan guard and be discharged from, thereby the wind pushing performance of fan can be kept good, and, can realize that fan maximizes, the raising of draft capacity by making fan guard be positioned at lower body part.

Description of drawings

Fig. 1 is the summary profilograph of the drum-type washing drying machine of expression an embodiment of the invention.

Fig. 2 is the amplification profile of the major part among Fig. 1.

Fig. 3 is a profile of observing the fan assembly Fig. 2 from the front.

Fig. 4 is other the profilograph of the part identical with Fig. 1 of embodiment of expression water storing tank portion.

Fig. 5 is the profilograph of the structure of the existing scrubbing-and-drying unit of expression.

Symbol description

2: basket 3: base plate

7: tank 16: cylinder

19: heat pump unit 21: condenser

23: evaporimeter 26: displacement can

27: drainpipe 28: draining pump

30: fan assembly 31: Air Blast fan

32: fan guard 34: the cylinder inlet tube

40: water discharge outlet 41: water storing tank

42: connecting piece 43: the word of falling U shape portion

The specific embodiment

Below based on description of drawings an embodiment of the invention.The vertical profile side view of having represented the product integral body of drum-type washing drying machine 1 in Fig. 1, this drum-type washing drying machine 1 forms basket 2 as gabarit by left side plate, header board and the upper plate of being made by sheet metal.The following quilt of basket 2 is covered by the base plate 3 of polyvinyl resin plate-likes that form, thicker such as (polypropylene resin), in addition, on the open back side, between the side plate about will being provided in as the upper frame (upperframe) 4 of the steel plate system of rigid body and described base plate 3, keep rigidity thus as basket 2, backside openings between upper frame and the base plate 3, covered by lower frame (the lower frame) 5 of detachable steel plate system and the bonnet 6 of thin-walled, be used to check.

Internal configurations at basket 2 has tank 7.Tank 7, be the laterally cylindric of back side sealing, its bottom by be arranged on described base plate about a pair of resilient supporting unit 8 is supported, and a plurality of positions on top are by helical spring (coil spring) 9 suspensions, thereby it flexibly is supported in the basket 2.

Be connected with below the rear side in basket 2 by draining pump 10 washings in the tank 7 are exported to scupper hose (drain hose) 11 outside the machine, be provided with the water-supply valve 12 that in described tank 7, supplies water on basket 2 tops, not have the illustrated especially detergent box (detergent container) that is used to drop into washing agent, and dispose the water that to supply with from water-supply valve 12 and the washing agent water injecting tank (water filling case) of supply etc. in tank 7 together.

In addition, upper front side at basket 2, dispose the guidance panel 13 that is used for select setting washing course (washingcourse) etc., central portion has the input port 14 that is used to drop into the circle of taking out washings in front, and configuration is formed with the door 15 of transparency window (transparent paned window), open and close freely this input port 14 is sealed, make water outside machine, not spill from tank 7.

In the inside of tank 7, being equipped with can be around the cylinder that the round-ended cylinder shape is arranged 16 of transverse axis rotation.This cylinder 16, with along tank 7 forwards and the heeling condition that how much makes progress supported, on the main body circumferential wall, have a plurality of dewatering hole 16a and baffle plate (baffle) 16b that uses of agitator treating thing upwards, play a role as the common groove that runs to dehydrating operation, dry operating tank 7 from washing.

On described 16 the back side that is closed, be equipped with by axle and be supported in the described back side portion that is closed of tank 7, be controlled as and wash the motor 17 of operation and the corresponding rotary speed of dehydrating operation, cylinder 16 rotates by this motor 17.Motor 17, for example be outer-rotor type (outerrotor type), the stator (stator) of inboard is fixed in tank 7 sides, makes the rear wall of the rotating shaft watertight ground perforation tank 7 that directly links with outside rotor (rotor), and make it the central link with cylinder 16 back side portions.

The drum-type washing drying machine 1 of said structure is to select to set washing, rinsing, dehydration and each dry running are also automatically carried out the equipment of each running, after washings being dropped in the cylinder 16 from described input port 14 and closing door 15, in service in washing operation and rinsing, in tank 7, to supply with the state of washings, make the low speed rotation of 40～60rpm of the centrifugal force of the degree that cylinder 16 adapts with the gravity that produces with clothing, by by baffle plate 16 agitator treating thing and make the stirring movement of its whereabouts carry out washing upwards, in dehydrating operation, open draining valve, the postrun washings of rinsing are expelled to outside the machine from scupper hose 11, cylinder 16 is rotated to a direction with the high speed of 1000rpm, thereby from being arranged on a plurality of dewatering hole 16a centrifugal dehydration on the main part circumferential wall.

Also have, the cardinal principle central portion of the width in formed space between tank 7 that disposes with described heeling condition and basket 2 bottom surfaces, heat pump unit 19 is set on fore-and-aft direction, when the drying behind the washing end of run is moved, while making cylinder 16 drive this heat pump unit 19 with the rotation of various speed, will be by Btu utilization that heat pump generated in the drying of washings.

Described heat pump unit 19, with the compressor 20 of compression discharging refrigerant, make the refrigerant gas heat release condenser condensing 21 of the High Temperature High Pressure of being discharged from this compressor 20, expansion valve 22 that condensed high-pressure refrigerant is reduced pressure and import evaporimeter 23 configurations that cold-producing medium after being depressurized makes it to evaporate heat absorption and connect into ring-type, thereby constitute heat pump type refrigerating circulation (heat-pump typerefrigeration cycle), dispose compressor 20, evaporimeter 23, condenser 21 in order towards the rear portion from the front portion of basket 2 bottoms.

Constitute described each parts of heat pump unit 19, be incorporated in by synthetic resin and form in the cell enclosure (unit housing) 24 of case shape, this cell enclosure 24 is the rigid bodies that formed by thicker synthetic resin, keep elasticity by yielding rubber (cushion rubber) etc., and by bolting (boltfastening) by blocking on the cell substrate (unitsupporting base) 25 that is equipped on the described base plate 3.

Base plate 3, on its part, form the displacement can 26 that the dehumidifying water that reclaims stores that dehumidifies of the evaporimeter 23 by described heat pump cycle, for this displacement can 26, in order to collect and to discharge by the described evaporimeter 23 dehumidifying water that reclaims that dehumidifies, by drainpipe (drain pipe) 27 itself and the recess that is formed on the part of described cell substrate 25 are connected, opening is covered by lid 29 above it, and evaporimeter 23, the condenser 21 of described heat pump unit 19 disposed at an upper portion thereof.And described displacement can 26 is provided with the dehumidifying water that is used for being stored and is expelled to the outer draining pump (drain pump) 28 of machine.

At the rear portion of described cell enclosure 24, dispose desiccant fan assembly 30.The portion that wants of expression fan assembly 30 enlarges profile in Fig. 2, the profile of fan assembly 30 is observed in expression from the front in Fig. 3, as shown in the figure, fan assembly 30 is by the Air Blast fan 31 of Scroll-type (turbo type), the motor 45 of the spiral columnar fan guard 32 of built-in this Air Blast fan 31 and the described Air Blast fan 31 of driving constitutes, make the horizontal direction upper shed of suction inlet 32a in level, thereby become and the corresponding vertical formula configuration of the rear side of described condenser 21, by the rotation of this Air Blast fan 31, form from the front portion of scrubbing-and-drying unit 1 to the circulation wind path 33 of the straight line of rear side.

Control described Air Blast fan 31, make it when drying is moved, drive in the heat pump unit 19, rotate to the direction of arrow simultaneously with the speed of 3000～4000rpm inner peripheral surface along fan guard 32, by the condenser 21 that is in high temperature, via the cylinder inlet tube (drum inlet duct) 34 that the downstream of described Air Blast fan 31 and the rear side of cylinder 16 partly are communicated with, the dry air that approximately is heated to 70 ℃ is blown in the cylinder 16 from the peripheral part of described motor 17, make it to contact with washings, obtain moisture thus and make the washings drying, and then make owing in cylinder 16, flowing out to the outside with air that contacting of washings is in humidification state through the dewatering hole 16a of circumference, make it to dehumidify from the evaporimeter 23 of drum outlet pipe 35 by low temperature, the moisture of promptly removing in the circulating air to be contained, then make it to return the condenser 21 of high temperature, thereby make it to circulate as heated dry air once more.

In addition, heat pump unit 19 is not only to use when drying is moved as described above, also carry out heat exchange between feed pipe that can when washing, rinsing, in tank 7, supply water and the condenser 21, make washings become hot water, thereby raising clean result, also can be when dehydrating operation or from washing become the process of dry operation, drive, thus the exsiccation of washings improved by hot blast.

In addition, on the position relative, thereby be provided with as blowing out louvre (louver) 36 and the cooling fan (cooling fan) 37 that portion forms transverse width bigger with the described evaporimeter 23 of the bottom that is positioned at basket 2 leading flanks of cell enclosure 24.

Described cooling fan 37 is generation cold air air-supply functions, is the equipment of so-called refrigerating function, to be blown out to outside the machine from the louvre 36 of cold air from the outside peristome that is arranged on oblique upper of the evaporimeter 23 that is positioned at the rear, when carrying out refrigerating operaton by the operation of the guidance panel on the front of basket 2, drive cooling fan 37 with heat pump unit 19, attract extraneous gas from the air entry 24a that covers that is arranged on described cell enclosure 24, blown out to outside direction from louvre 36 by the cold air of dehumidifying cooling thereby make by evaporimeter 23.

On the component of described drum outlet pipe 35, be equipped with and switch baffle plate (switch dumper) 38, when the drying after the washing operation is moved, described louvre 36 side seals are closed and will be by this switching baffle plate 38, thereby do not hinder the flowing of hot blast of circulation in cylinder 16 from drum outlet pipe (drum exit-duct) 35 air-supply passage open to evaporimeter 23 sides.

And, 39 expressions are arranged on from cylinder 16 to evaporimeter cotton linters filter (lint filter) on 23 the air-supply path, that remove line bits and airborne foreign matter, its foreign matter such as line bits that can prevent that the clothings in the cylinder 16 from producing flows down in cylinder, enter and adhere to situation on 31 ones of the Air Blast fans from evaporimeter 23 and condenser 21, and can its taking-up be cleaned by handle portion.

And, foot at fan guard 32 possesses the water discharge outlet 40 that draining is used, and with on below fan guard 32 whole from below cover this water discharge outlet 40 of parcel mode form water storing tank (water storage tank) 41 be set, and the outlet and the described displacement can 26 of this water storing tank 41 linked by connecting piece 42.

Thus, washing and the water spittle that produced during dehydrating operation enter situation in the cylinder inlet tube 34 from the cylinder 16 of rotation under, the water spittle flows down from fan guard 32, and drained into water storing tank 41 from water discharge outlet 40, so water does not accumulate in the fan guard 32, thereby can prevent to cause its air quantity to reduce, can keep good wind pushing performance with simple structure owing to the rotation of Air Blast fan 31 being broken down with contacting of the water that accumulates.

And, spittle water is temporarily accumulated in the water storing tank 41, behind the washing end of run, described Air Blast fan 31 is driven, because Air Blast fan 31 rotations, air pressures in the water storing tank 41 rise, thus the water that accumulates since air pressure extrude to displacement can 26 sides by connecting piece 42, thereby can draining.

Air pressure in the water storing tank 41 when making Air Blast fan 31 rotations, because of the flow passage resistance force of waterproof of fan ability and circulatory flow different, be thereby that the 4000rpm internal pressure is under the situation of 50mm water column for example at the rotating speed that makes Air Blast fan 31, air can be with the water rising 50mm that accumulates, therefore, the bottom surface of water storing tank 41 can be arranged at the position of hanging down 50mm than the connecting portion that is connected with water discharge outlet 26.Therefore, the bottom position of the fan guard 32 that makes vertical formula configuration to heavens of scrubbing-and-drying unit 1 main body that can not raise for example 50mm that descends downwards can improve draft capacity with the enlarged-diameter 50mm of Air Blast fan 31.

At this moment, for make when Air Blast fan 31 stops etc. do not produce air pressure in, the water that accumulates in the displacement can 26 can be to water storing tank 41 side adverse currents, in the mode of a part in the top of the top edge of displacement can 26 of connecting piece 42 word of falling U shape portion 43 is set between water storing tank 41 and displacement can 26 and gets final product, can carry out the processing of spittle water and the raising of fan ability with more simple and compact structure.

In addition, thereby will accumulate the effect that water is extruded to displacement can 26 sides from water storing tank 41 by air pressure by making described Air Blast fan 31 rotations, the rotation of the Air Blast fan 31 in the time of also can utilizing the drying operation after the dehydration, in addition, also can so that Air Blast fan 31 control in the operating suitable period of washing rather than the mode of after the washing end of run, rotating.And also can control in the following manner: the water level of the draining of being accumulated in displacement can 26 is during more than or equal to predetermined water level, by sensor to this situation, thereby described draining pump 28 is driven, will accumulate water and be expelled to outside the machine.

Fig. 4 is expression other the figure of embodiment of the present invention, wherein for the additional identical symbol of part same as the previously described embodiments, water storing tank 41 ' is made as the other part that separates with fan guard 32 ', it is provided between fan guard 32 ' and the displacement can 26 ', and the water discharge outlet 40 ' of fan guard and water storing tank 41 ' and water storing tank 41 ' and described displacement can 26 ' are linked by connecting piece A42a and B42b respectively.

And, be configured to above the water storing tank 41 ', be in same position substantially with the bottom of fan guard 32 ', and compare with the top edge of displacement can 26 ' and to be in the below, and on connecting piece B42b, similarly be connected the word of falling U shape portion 43 ' with the foregoing description, thereby can make plane space that surplus is arranged, can further increase the capacity of water storing tank 41 '.

In addition, the present invention is not limited to the structure of the foregoing description, for example dry operating hot blast can not produced by heat pump yet, but produce by electric heater and fan, in addition, scrubbing-and-drying unit also can not be the drum-type washing drying machine of horizontal shaft type, but centers on the scrubbing-and-drying unit of the mode of longitudinal axis rotation.

Claims (3)

1. scrubbing-and-drying unit is characterized in that:

This scrubbing-and-drying unit washs and drying the clothing that is incorporated in the cylinder, and possessing the fan assembly that when drying is moved, will import in the described cylinder by the hot blast of heating source heating, wherein said cylinder can be supported on the inside of the tank in the basket rotatably;

Described fan assembly is made of the motor of Air Blast fan, fan guard and the described Air Blast fan of driving, be configured such that the suction inlet vertical formula configuration of opening in a lateral direction, bottom at fan guard possesses water discharge outlet, and is being provided with water storing unit with drainage channel that this water discharge outlet is compared below being arranged in.

2. scrubbing-and-drying unit according to claim 1 is characterized in that:

Water storing unit and fan guard form as one.

3. scrubbing-and-drying unit according to claim 1 is characterized in that:

By behind the washing end of run or, thereby the water that accumulates of water storing unit is discharged by the pressure of this wind at the Air Blast fan of driving midway that washs operation.

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