CN102071564B - Heating device and clothes drying apparatus employing same - Google Patents

Heating device and clothes drying apparatus employing same Download PDF

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Publication number
CN102071564B
CN102071564B CN2009102332871A CN200910233287A CN102071564B CN 102071564 B CN102071564 B CN 102071564B CN 2009102332871 A CN2009102332871 A CN 2009102332871A CN 200910233287 A CN200910233287 A CN 200910233287A CN 102071564 B CN102071564 B CN 102071564B
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CN
China
Prior art keywords
heater
flow
drying device
air
cloth drying
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Expired - Fee Related
Application number
CN2009102332871A
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Chinese (zh)
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CN102071564A (en
Inventor
李继豪
燕志华
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BSH Electrical Appliances Jiangsu Co Ltd
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BSH Electrical Appliances Jiangsu Co Ltd
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Publication date
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Priority to CN2009102332871A priority Critical patent/CN102071564B/en
Publication of CN102071564A publication Critical patent/CN102071564A/en
Application granted granted Critical
Publication of CN102071564B publication Critical patent/CN102071564B/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00Domestic laundry dryers
    • D06F58/20General details of domestic laundry dryers 
    • D06F58/26Heating arrangements, e.g. gas heating equipment

Abstract

The invention discloses a heating device and a clothes drying apparatus employing the same, wherein the clothes drying apparatus comprises a housing, an inner cylinder and an airflow channel; the inner cylinder is arranged inside the housing and used for accommodating clothes to be dried; the airflow channel is communicated with the inner cylinder to enable airflows to pass through and enter the inner cylinder so as to dry the clothes; and the heating device is provided with a spoiler to enable airflows passing through the vicinity of the heating device to generate turbulent flows. By means of the structure, hot air to be introduced into a clothes processing barrel can be fully mixed, and thus, the heat exchange capacity of the hot air is improved.

Description

The cloth drying device of heater and this heater of use
Technical field
The present invention relates to a kind of heater.
The invention still further relates to a kind of cloth drying device that uses above-mentioned heater.
Background technology
existing cloth drying device, as dryer with integrate laundry and the clothes washer-dryer of clothes drying function etc. following drying course is arranged usually: under the effect of heater, dry air is heated pipe and is heated into 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 process the upper set outlet of bucket through clothing and enter condensation pipe, condensation through condensing unit, moisture in moister hot-air is condensed into water, then discharge through drainpipe, and the air after being condensed becomes the cold air of relatively dry, in the effect of fan is imported into water back again, enter next circulation through the hot-air that adds the thermosetting drying, so go round and begin again, until drying procedure finishes.
Usually, the air-flow that flows in water back is laminar flow, so after the heating tube heating, the temperature of each layer air-flow is also inconsistent, often higher near near the airflow layer temperature heating tube, temperature is lower away near the airflow layer of heating tube (the water back sidewall), and so, entering clothing, to process the heat exchange efficiency of the hot-air in bucket just lower., for addressing the above problem, can allow the air-flow of different layers carry out premix in prior art before entering clothing processing bucket, thereby make the Temperature Distribution of hot-air integral body more even.For example, on the sidewall of water back, spoiler is being set so that near the airflow layer that flows through it produces turbulent flow and mixes.Yet, because near the airflow layer the water back sidewall is originally lower with regard to temperature, so near the mixed overall thermal exchange capacity of hot-air of can't giving of the airflow layer that produces sidewall brings too many lifting; And if the sectional dimension of water back is larger, the airflow layer of the opposite side sidewall of the center of water back or close water back just can't fully be mixed.In view of this, be necessary existing cloth drying device is improved, to address the above problem.
Summary of the invention
The object of the present invention is to provide a kind of heater, not only can heat the air-flow by it, and can make air-flow produce turbulent flow.
The present invention also aims to provide a kind of cloth drying device that uses above-mentioned heater, this heater can make the hot-air that will enter in clothing processing bucket fully mixed, thereby improves the heat-exchange capacity of hot-air.
To achieve these goals, a kind of cloth drying device of the present invention, it comprises:
Casing;
Inner core, be arranged in casing to be used for holding clothing to be dried;
Gas channel, be communicated with to define air flow path with inner core, thus make air-flow along this path by and enter inner core with drying clothes;
Heater, be arranged on the air-flow that will flow into inner core in described gas channel to be used for heating, and described heater is provided with flow-disturbing spare so that through near the air-flow it, produce turbulent flow.
As a further improvement on the present invention, described flow-disturbing spare is to form by the body distortion that makes heater.
As a further improvement on the present invention, described heater has upstream extremity and downstream, and described flow-disturbing spare is positioned at the downstream of described heater.
As a further improvement on the present invention, described heater comprises sinuous the first heating tube that arranges and define the first plane, and described flow-disturbing spare is to form with respect to described the first plane bending certain angle by the end with heater.
As a further improvement on the present invention, described heater also comprises sinuous the second heating tube that arranges and define the second plane, and described the second plane is arranged essentially parallel to the first plane, and described flow-disturbing spare is towards described the second plane bending.
As a further improvement on the present invention, described gas channel comprises the some sidewalls that interconnect to surround described heater, described some sidewalls one of at least on be provided with and make the protuberance that produces turbulent flow through near the air-flow it.
As a further improvement on the present invention, this cloth drying device further comprises the condensing unit of the air-flow that flows out from inner core for condensation.
As a further improvement on the present invention, further comprise the fan that is arranged in gas channel to be used for that gas is circulated along air flow path, 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.
As a further improvement on the present invention, described the first heating tube comprises some sections that are arranged essentially parallel to described air flow path extension.
To achieve these goals, a kind of heater that is applicable to cloth drying device of the present invention, wherein cloth drying device comprises casing, is arranged in casing to be used for the holding inner core of clothing to be dried and is communicated with air feed with inner core and flows by and enter the gas channel of inner core with drying clothes; It is characterized in that, heater is provided with flow-disturbing spare so that through near the air-flow it, produce turbulent flow.
As a further improvement on the present invention, described flow-disturbing spare is to form by the body distortion that makes heater.
As a further improvement on the present invention, this heater has upstream extremity and downstream, and described flow-disturbing spare is positioned at the downstream of described heater.
As a further improvement on the present invention, this heater comprises sinuous the first heating tube that arranges and define the first plane, and described flow-disturbing spare is to form with respect to described the first plane bending certain angle by the end with heater.
As a further improvement on the present invention, this heater also comprises sinuous the second heating tube that arranges and define the second plane, and described the second plane is arranged essentially parallel to the first plane, and described flow-disturbing spare is towards described the second plane bending.
Compared with prior art, the invention has the beneficial effects as follows: due to flow-disturbing spare being set on heater, can make near the airflow layer with higher temperature of heater take the lead in mixing, subsequently further with the gas channel sidewall near airflow layer mixed, thereby guarantee that the integral body of the hot-air in gas channel has higher heat-exchange capacity; In addition, protuberance is set further on the sidewall of gas channel, strengthen mixing between near the airflow layer near airflow layer and the heater it, thereby further raising will enters the heat-exchange capacity of the hot-air of inner core.
Description of drawings
Fig. 1 is the floor map of cloth drying device one specific embodiment of the present invention;
Fig. 2 is the floor map of heater one specific embodiment of the present invention;
Fig. 3 is the work schematic diagram that the heater in Fig. 2 is applied to the cloth drying device in Fig. 1;
Fig. 4 and Fig. 3 are similar, have disclosed heater of the present invention and have been applied to another embodiment of cloth drying device.
The specific embodiment
Cloth drying device shown in Figure 1 is the clothes washer-dryer of collection laundry and drying function, and what those of ordinary skill in the art can expect easily certainly is that cloth drying device can also be dryer or other equipment that only has 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 the interior urceolus 20 of casing, can be rotatably set in the inner core 30 in urceolus, the motor 40, the drainage system that is connected with inner core that are used for the driving inner cylinder rotating and a gas channel 60 that is communicated with inner core.Wherein, but the front portion of casing 10 is provided with the door 11 of pivotable folding, can be for the clothing to be washed or to be dried inner core 30 of packing into.Urceolus is supported in casing 10 by a buffer unit (not shown) usually.It is cylindric that inner core 30 roughly is, and its barrel wall is provided with some through holes (not shown), to supply water or the gas discharge.Usually also be provided with circumferential some lifting ribs (not shown) on inner core 30 inwalls, be used in inner cylinder rotating, clothing being promoted to eminence and drop subsequently bottom in inner core.The rear wall of inner core 30 extends a rotating shaft (not indicating), and a belt 41 is connected this rotating shaft with motor motor shaft (not sign) connects, thereby motor 40 can drive inner core 30 rotations.Drainage system comprises draining pump 50 and drainpipe 51, thereby by the work of draining pump 50, laundry water can be discharged outside casing 10.
In the present embodiment, gas channel 60 is communicated with inner core 30, to set up an air flow path.One fan 80 is arranged in gas channel 60, and it can produce pressure-vaccum power, flows along air flow path to drive air-flow, as shown by arrows in FIG..Gas channel 60 comprises a condensation pipe 61 and a water back 62.One heater 70 is arranged in water back 62 and enters the air-flow of inner core 30 with heating by water back and preparation.In present embodiment, a gas condenser 90 arranges in condensation pipe 61, and it comprises arranged in a crossed manner but and disconnected some first passages (not indicating, perpendicular to drawing) and second channel (do not indicate, be parallel to air flow path).Wherein first passage passes through for outside air, and second channel passes through for the humid air of from inner core 30, discharging., by this structure, can make moisture in the humid air with higher temperature by total condensation Cheng Shui, thereby reach good condensation effect.What those of ordinary skill in the art can expect easily is, condensing unit can also be arranged on the spray equipment in condensing zone or with condensing zone, can realize the condenses device of heat exchange.
Referring to figs. 2 and 3 shown in, in the present embodiment, heater 70 roughly is positioned at the central area of water back 62, and is in the downstream of fan 82.It comprises up and down the first and second heating tubes 71,72 that distribute, are arranged side by side.Wherein the first heating tube 71 is positioned at the below of the second heating tube 72, and it wriggles and to be arranged to the air flow path almost parallel some sections, and this some sections define one first planes.The second heating tube 72 comprises wriggling equally is arranged to the air flow path almost parallel some sections, one second plane that these some sections definition and the first plane are substantially parallel, only the second heating tube 72 is shorter than the first heating tube 71 on the bearing of trend of air flow path.Well-known to those skilled in the artly be, the resistance wire that includes high impedance in electric heating tube, the positive and negative electrode terminal of this resistance wire is connected with the AC power of 220V or 110V by wire, thereby by resistance wire, with electric energy conversion, is that heat energy is with the gas-heated to by it.
In the present embodiment, the downstream of the first heating tube 71, with respect to the first plane towards described the second plane bending certain angle to form flow-disturbing spare 711.In Fig. 2 and embodiment shown in Figure 3, flow-disturbing spare 711 is positioned at the arc transition end of the first heating tube 71 ends, and comprises three of horizontally set.Flow-disturbing spare 711 is used for making through near the gas laminar flow it (comprising the laminar flow of cross direction profiles shown in Figure 2 and the laminar flow of vertical distribution shown in Figure 3) and changes direction to form turbulent flow, thereby makes the air-flow of different layers mixed and improve the heat-exchange capacity of the integral body of hot-air.In present embodiment, be positioned at the lower of water back 62 due to the first heating tube 71, so flow-disturbing spare bends towards top, certainly, those of ordinary skills can be understood that easily, if the first heating tube is arranged on the higher position of gas channel, and preferably downward bending of flow-disturbing spare; In addition, also can make flow-disturbing spare certain bending also be arranged in the horizontal to strengthen the mixing of crossflow layer.As for the angle of bending, by the vertical or lateral dimension of gas channel, determine, if vertical or lateral dimension is larger, bending angle is preferably also larger, and more multi-layered air-flow is participated in mixing; Further, also can form same flow-disturbing spare at the end of the second heating tube 72, perhaps again above the second heating tube or the first heating tube below set up have same flow-disturbing spare the 3rd or the 4th heating tube.Usually be arranged on the middle section of water back due to heater, so, the flow-disturbing spare that is arranged on the heater body can make near the airflow layer with higher temperature of heater take the lead in mixing, further mixed with gas channel sidewall 621, near 622 airflow layer subsequently, thus guarantee that the integral body of the hot-air in gas channel has higher heat-exchange capacity.Although in the present embodiment, flow-disturbing spare is the end that is integrally formed in the body of heater, in other embodiments, flow-disturbing spare can be arranged on heater by assembling mode, as traditional fixed forms such as welding, buckles; In addition, the setting position of flow-disturbing spare is not limited in the downstream of heater, can be also other positions on the heater body.
With reference to another embodiment shown in Figure 4.In the present embodiment, because the configuration of the heater in heater and above-mentioned embodiment is identical, so the label of heater each several part also with in above-mentioned embodiment is consistent.Be with the main distinction of above-mentioned embodiment, also be provided with a protuberance 6251 that protrudes in gas channel on the upper side wall 625 of water back, this protuberance 6251 plays flow-disturbing equally, can further impel near the airflow layer of upper side wall 625 and near the airflow layer heater to realize mixed fully, thereby further promote the heat-exchange capacity that will enter the hot-air of inner core 30.This protuberance can be integrally formed on upper side wall 625, can be also to be installed on upper side wall 625; In addition, on other sidewalls,, as lower wall 626, protuberance also can further be set strengthen mixing between near it airflow layer and near the airflow layer of heater.

Claims (15)

1. a cloth drying device, is characterized in that, comprising:
Casing;
Inner core, be arranged in casing to be used for holding clothing to be dried;
Gas channel, be communicated with to define air flow path with inner core, thus make air-flow along this path by and enter inner core with drying clothes;
Heater, be arranged on the air-flow that will flow into inner core in described gas channel to be used for heating, and described heater is provided with flow-disturbing spare so that through near the air-flow it, produce turbulent flow.
2. cloth drying device as claimed in claim 1, is characterized in that, described flow-disturbing spare is to form by the body distortion that makes heater.
3. cloth drying device as claimed in claim 1, is characterized in that, described heater has upstream extremity and downstream, and described flow-disturbing spare is positioned at the downstream of described heater.
4. cloth drying device as claimed in claim 1, it is characterized in that, described heater comprises sinuous the first heating tube that arranges and define the first plane, and described flow-disturbing spare is to form with respect to described the first plane bending certain angle by the end with heater.
5. cloth drying device as claimed in claim 4, it is characterized in that, described heater also comprises sinuous the second heating tube that arranges and define the second plane, and described the second plane is arranged essentially parallel to the first plane, and described flow-disturbing spare is towards described the second plane bending.
6. cloth drying device as claimed in claim 5, it is characterized in that, described gas channel comprises the some sidewalls that interconnect to surround described heater, described some sidewalls one of at least on be provided with and make the protuberance that produces turbulent flow through near the air-flow it.
7. cloth drying device as claimed in claim 1, is characterized in that, this cloth drying device further comprises the condensing unit of the air-flow that flows out from inner core for condensation.
8. cloth drying device as claimed in claim 1, is characterized in that, further comprises the fan that is arranged in gas channel to be used for that gas is circulated along air flow path, and described heater is positioned at the downstream of described fan.
9. cloth drying device as claimed in claim 1, is characterized in that, described cloth drying device is dryer or clothes washer-dryer.
10. cloth drying device as claimed in claim 4, is characterized in that, described the first heating tube comprises some sections that are arranged essentially parallel to described air flow path extension.
11. a heater that is applicable to cloth drying device, wherein cloth drying device comprises casing, is arranged in casing to be used for the holding inner core of clothing to be dried and is communicated with air feed with inner core and flows by and enter the gas channel of inner core with drying clothes; It is characterized in that, heater is provided with flow-disturbing spare so that through near the air-flow it, produce turbulent flow.
12. heater as claimed in claim 11, is characterized in that, described flow-disturbing spare is to form by the body distortion that makes heater.
13. heater as claimed in claim 11, is characterized in that, this heater has upstream extremity and downstream, and described flow-disturbing spare is positioned at the downstream of described heater.
14. heater as claimed in claim 11, it is characterized in that, this heater comprises sinuous the first heating tube that arranges and define the first plane, and described flow-disturbing spare is to form with respect to described the first plane bending certain angle by the end with heater.
15. heater as claimed in claim 14, it is characterized in that, this heater also comprises sinuous the second heating tube that arranges and define the second plane, and described the second plane is arranged essentially parallel to the first plane, and described flow-disturbing spare is towards described the second plane bending.
CN2009102332871A 2009-11-25 2009-11-25 Heating device and clothes drying apparatus employing same Expired - Fee Related CN102071564B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102332871A CN102071564B (en) 2009-11-25 2009-11-25 Heating device and clothes drying apparatus employing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009102332871A CN102071564B (en) 2009-11-25 2009-11-25 Heating device and clothes drying apparatus employing same
EP10190946.3A EP2327828B1 (en) 2009-11-25 2010-11-12 Clothes drying machine having a heater, and related heater

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CN102071564A CN102071564A (en) 2011-05-25
CN102071564B true CN102071564B (en) 2013-11-13

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CN (1) CN102071564B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2763532C (en) * 2011-01-18 2015-03-31 Tutco, Inc. Two level electric resistance heater and method of use
EP2604749B1 (en) * 2011-12-16 2014-10-08 Electrolux Home Products Corporation N.V. Household laundry washing and drying machine
CN108660719A (en) * 2017-03-29 2018-10-16 青岛海尔洗衣机有限公司 A kind of clothes drying device air channel structure and clothes drying device
CN110438775A (en) * 2018-05-04 2019-11-12 青岛海尔滚筒洗衣机有限公司 Heating device and clothes treatment device for clothes treatment device
CN110438777A (en) * 2018-05-04 2019-11-12 青岛海尔滚筒洗衣机有限公司 A kind of drying module heating-pipe structure and washing-drying integral machine or dryer
CN109608013B (en) * 2018-11-14 2021-11-30 杭州职业技术学院 Cow dung biogas residue drying equipment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340313A1 (en) * 1983-11-08 1985-05-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Domestic laundry drier
US4628190A (en) * 1984-10-10 1986-12-09 Tutco, Inc. Duct heater
CN101089279A (en) * 2007-07-16 2007-12-19 南京乐金熊猫电器有限公司 Drying condensation method of washing machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3340313A1 (en) * 1983-11-08 1985-05-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Domestic laundry drier
US4628190A (en) * 1984-10-10 1986-12-09 Tutco, Inc. Duct heater
CN101089279A (en) * 2007-07-16 2007-12-19 南京乐金熊猫电器有限公司 Drying condensation method of washing machine

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Publication number Publication date
CN102071564A (en) 2011-05-25
EP2327828B1 (en) 2013-05-15
EP2327828A1 (en) 2011-06-01

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