CN102071563B

CN102071563B - Clothes drying device

Info

Publication number: CN102071563B
Application number: CN200910233286.7A
Authority: CN
Inventors: 尤格·齐格勒; 庞卫峰; 冶萍
Original assignee: BSH Electrical Appliances Jiangsu Co Ltd
Current assignee: BSH Electrical Appliances Jiangsu Co Ltd
Priority date: 2009-11-25
Filing date: 2009-11-25
Publication date: 2014-03-26
Anticipated expiration: 2029-11-25
Also published as: CN102071563A

Abstract

The invention discloses a clothes drying device comprising a housing, an internal cylinder arranged inside the housing, a gas flow circulating passage communicated with the internal cylinder, a heating device for heating the gas flow passing through the gas flow circulating passage and returned to the internal cylinder, and a condensing system for condensing the gas flow flown out from the internal cylinder and entering the gas flow circulating passage, wherein the condensing system comprises an indirect condensing device and a spraying device; the indirect condensing device accommodates a condensing medium to condense the gas flow flown out from the internal cylinder in an indirect manner; and the spraying device is used for spraying a fluid to the gas flow flown out from the internal cylinder. Through the structure, the water vapor in damp air flown out from the internal cylinder can be efficiently condensed, and simultaneously the flocculate carried in the damp air can be washed down.

Description

Cloth drying device

Technical field

The present invention relates to a kind of cloth drying device, relate in particular to the condenser system of cloth drying device.

Background technology

Existing cloth drying device, as dryer with integrate laundry and the clothes washer-dryer of clothes drying function etc. and conventionally have following drying course: under the effect of heater, dry air is heated to form dry hot-air in water back, then entering clothing processes in bucket and wet clothing generation heat exchange, moisture in clothing is taken away, form moister hot-air, then through clothing, process the upper set outlet of bucket and enter condensation pipe, condensation through condensing unit, moisture in this moister hot-air is condensed into water, then through drainpipe, discharge, and air after being condensed becomes the cold air of relatively dry, effect at fan is imported in water back again, through adding the dry hot-air of thermosetting, enter next circulation, so go round and begin again, until drying procedure finishes.

The condensing mode that condensing unit adopts has a variety of, wherein a kind of this more commonly carries out condensation by condensed water, as US Patent No. 4,154, shown in 003, the sidewall contact of condensed water and condensation channel, like this, out-of-date when humid air stream, humid air and condensed water are by carrying out heat exchange so that the steam in humid air is condensed into water.In addition, also have by air setting, air condensation device is often long and narrow laminated structure, it generally includes a plurality of gas channels that are crisscross arranged, common way is by outside air lead-in portion gas channel, and processes relatively moist hot-air that bucket discharges by the gas channel with staggered other of above-mentioned part gas channel from clothing, thereby heat exchange occurs, by the condensate moisture in humid air, then be discharged to the equipment external world.

Yet, because clothing inevitably can produce many battings or other impurity (being below referred to as batting) in washing or drying course, batting can be directly brought in condensation pipe and thereby the inwall that is attached to condensation pipe affects condensation effect or stops up whole gas circulation channel along with moist hot-air, What is more, batting can be brought into fan and even in water back, be attached to the surface of fan or heating tube under the effect of fan, thereby produces larger danger.In prior art, have and spray equipment is set in condensation pipe to remove the technology of accompanying batting.For example, publication number is that the european patent application of EP0636732A1d has disclosed a kind of now known spray equipment, and this spray equipment is to realize its function by the current water that flies to spill after splashing that is hampered, simultaneously, the water of ejection also has condensation concurrently, with by the condensate moisture in humid air.Yet the condensation effect of this device is not fine, cannot effectively remove airborne moist steam.

In view of this, be necessary existing cloth drying device to be improved, to address the above problem.

Summary of the invention

The object of the present invention is to provide a kind of cloth drying device, it has improved condenser system, flushablely falls the entrained batting of the humid air for Gong recycling of discharging from inner core, guarantees that steam in humid air is by condensation effectively simultaneously.

To achieve these goals, a kind of cloth drying device of the present invention, it comprises:

Casing;

Inner core, is arranged in casing for holding clothing to be dried;

Airflow circulating passage, is communicated with to define airflow circulating path with inner core, thereby makes air-flow circulate flow out and turn back to subsequently in inner core from inner core along this path;

Heater, for heating by airflow circulating passage and returning to the air-flow of inner core;

Condenser system, for condensation, from inner core, flow out into the air-flow in airflow circulating passage, described condenser system comprises the indirect condensing device that accommodates the air-flow that cooling medium flows out from inner core with non-direct mode condensation, and for the spray equipment of the jet-impingement liquid to flowing out from inner core.

As a further improvement on the present invention, described condenser system is at least implemented indirect condensing and atomizing of liquids with section altogether to airflow circulating passage.

As a further improvement on the present invention, described spray equipment is contained in the batting of air-flow the inside and/or the air-flow that further condensation is flowed out from inner core for washing away in the common section of airflow circulating passage under being arranged on.

As a further improvement on the present invention, described indirect condensing device comprises the liquid condenser that accommodates condensed fluid, and described sprinkling equipment can spray the described condensed fluid that comes from liquid condenser in start ground.

As a further improvement on the present invention, described liquid condenser is configured to allow the air-flow that is positioned at the condensed fluid of described liquid condenser and flows through airflow circulating passage to realize heat exchange.

As a further improvement on the present invention, described airflow circulating passage and described liquid condenser have common sidewall.

As a further improvement on the present invention, described indirect condensing device comprises gas condenser, and described gas condenser is provided with at least one first passage to allow extraneous gas by realizing described extraneous gas and passing the heat exchange between the gas of airflow circulating passage.

As a further improvement on the present invention, described gas condenser is arranged in airflow circulating passage and has at least one second channel and passes to allow the air-flow from flowing out in inner core.

As a further improvement on the present invention, drying plant further comprises that the fan being arranged in airflow circulating passage is to be used for that gas is circulated along airflow circulating path, and described heater is positioned at the downstream of described fan.

As a further improvement on the present invention, described cloth drying device is dryer or clothes washer-dryer.

Compared with prior art, the invention has the beneficial effects as follows: because condenser system has indirect condensing device, can be by the wet air condensation of being discharged by inner core to a certain extent, condenser system also comprises spray equipment simultaneously, not only flushablely fall entrained batting the humid air of discharging from inner core, also humid air is done to condensation further, thereby reach better condensation effect.

Accompanying drawing explanation

Fig. 1 is the floor map of cloth drying device one specific embodiment of the present invention.

The specific embodiment

Cloth drying device shown in Fig. 1 is the clothes washer-dryer of collection laundry and drying function, and those of ordinary skill in the art can expect easily certainly, and cloth drying device can also be dryer or other equipment only with drying function.So, below be mainly take clothes washer-dryer as example illustrates specific implementation of the present invention, and enforcement of the present invention is not on these equipment.

As shown in Figure 1, clothes washer-dryer 100 comprises a casing 10, is arranged on a urceolus 20 in casing, can be rotatably set in an inner core 30, the airflow circulating system 60 for driving a motor 40 of inner cylinder rotating, the drainage system being connected with inner core and being communicated with inner core in urceolus.Wherein, the front portion of casing 10 is provided with door 11 that can pivotable folding, can pack inner core 30 into for clothing to be washed or to be dried.Urceolus is supported in casing 10 by a buffer unit (not shown) conventionally.It is cylindric that inner core 30 is roughly, and its barrel of wall is provided with some through holes (not shown), to supply water or gas discharge.On inner core 30 inwalls, be conventionally also provided with some lifting ribs (not shown) of controlling circle distribution, be used in inner cylinder rotating, clothing being promoted to eminence and drop subsequently the bottom in inner core.The rear wall of inner core 30 extends a rotating shaft (not indicating), and a belt 41 is connected the motor shaft of this rotating shaft and motor 40 (not sign), thereby motor 40 can drive inner core 30 rotations.Drainage system comprises draining pump 50 and drainpipe 51, thereby laundry water can be discharged outside casing 10 by the work of draining pump 50.

In the present embodiment, airflow circulating passage 60 is communicated with inner core 30, to set up an airflow circulating path.One fan 82 is arranged in airflow circulating passage 60, and it can produce pressure-vaccum power, to drive air-flow along airflow circulating path flow, as shown by arrows in FIG..Airflow circulating passage 60 comprises a condensing zone 61 and a baking zone 62.One heater 81 is associated with baking zone 62 to arrange and with heating, by baking zone preparation, enters the air-flow of inner core 30.In the present embodiment, this heater is the electric heating tube that is arranged in baking zone 62 and is positioned at fan 82 downstreams, well-known to those skilled in the artly be, electric heating tube can comprise the resistance wire with high impedance, the positive and negative electrode terminal of this resistance wire is connected with the AC power of 220V or 110V, thereby by electric energy conversion, is heat energy to give by its gas-heated by resistance wire.Gas drying district 62 becomes the air with higher temperature after drying, and enters subsequently inner core 30 with drying clothes, after the moisture in clothing is heated, can evaporates and discharge with air, and the batting in clothing is also discharged and entered condensing zone 61 with air-flow simultaneously.

One condenser system and condensing zone 61 arrange explicitly, and in the present embodiment, this condenser system comprises a condenses device 71 that fills condensed fluid that is arranged on condensing zone side, and a spray equipment 72 that is arranged on the top in condensing zone.As shown in Figure 1, this condenses device 71 can be a water tank, and it is connected with outer water tube by a water valve 712, thereby makes to be full of for condensation by the water of the air-flow of condensing zone in water tank.The air-flow that water tank is configured to allow the cooling water in it and flow through the condensing zone of airflow circulating passage is realized heat exchange, in the present embodiment, the condensing zone of airflow circulating pipeline and water tank 71 have a common metal sidewall 711, by this sidewall, the air-flow in pipeline just can with water tank in cooling water realize heat exchange.In the present embodiment, spray equipment 72 is a shower nozzle, and the water that spray equipment 72 sprays comes from interior the contained water of water tank 71.In the process of spray, the batting containing can be washed away on the one hand in air; On the other hand, although cooling water by heat exchange temperature, promote to some extent in water tank time, but can be when spray in further condensation air with steam.Certainly, those of ordinary skills can expect easily, and the water that spray equipment sprays can derive from water supply, as spray equipment can directly be connected with outer water tube by water valve.

As the preferred embodiment of the present invention, gas condenser 73 can also be set in the condensing zone of airflow circulating passage.As shown in Figure 1, this gas condenser 73 comprise arranged in a crossed manner but and disconnected some first passages 731 and second channel 732.Wherein first passage 731 passes through for outside air, and second channel 732 passes through for the humid air of discharging from inner core 30.By this structure, can guarantee that moisture in humid air is by total condensation Cheng Shui, thereby reach better condensation effect.Those of ordinary skill in the art can expect easily, and condensation of gas device can only comprise the first passage passing through for extraneous air, and humid air flows through to realize heat exchange from the outside of condensation of gas device; In addition, the quantity of first passage can optionally be done correspondingly increase and decrease.

Because condenser system has indirect condensing device, can be by the wet air condensation of being discharged by inner core to a certain extent, condenser system also comprises spray equipment simultaneously, not only flushablely fall entrained batting the humid air of discharging from inner core, also humid air is done to condensation further, thereby reach better condensation effect.

Claims

1. a cloth drying device, comprising:

Casing;

Inner core, is arranged in casing for holding clothing to be dried;

Condenser system, for condensation, from inner core, flow out into the air-flow in airflow circulating passage, described condenser system comprises the indirect condensing device that accommodates the air-flow that cooling medium flows out from inner core with non-direct mode condensation, and for the spray equipment of the jet-impingement liquid to flowing out from inner core;

It is characterized in that, described indirect condensing device comprises the liquid condenser that accommodates condensed fluid, and described spray equipment can spray the described condensed fluid that comes from liquid condenser.

2. cloth drying device as claimed in claim 1, is characterized in that, described liquid condenser is configured to allow the air-flow that is positioned at the condensed fluid of described liquid condenser and flows through airflow circulating passage to realize heat exchange.

3. cloth drying device as claimed in claim 2, is characterized in that, described airflow circulating passage and described liquid condenser have common sidewall.