CN102505437B - A kind of drying condensation heat exchanger and dryer - Google Patents
A kind of drying condensation heat exchanger and dryer Download PDFInfo
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- CN102505437B CN102505437B CN201110350840.7A CN201110350840A CN102505437B CN 102505437 B CN102505437 B CN 102505437B CN 201110350840 A CN201110350840 A CN 201110350840A CN 102505437 B CN102505437 B CN 102505437B
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Abstract
The invention discloses a kind of drying condensation heat exchanger and dryer, described heat exchanger is made up of plastic sheeting, for outside air air-cooled type heat exchanger, inside includes that two prescriptions are to different not connected air channels, often group air channel is made up of multiple air chambers, the air chamber in two groups of air channels staggered interval successively, for an air chamber in another group air channel between the air chamber that each two in same group of air channel is adjoining, is spaced by plastic sheeting wall each other and constitutes.Two groups of described air channels are respectively condensation air channel and outside air air channel, one end, outside air air channel is provided with condensation fan, the straight-through external world of the other end, condensation one end, air channel is passed through damp-heat air, the other end discharges condensed air and condensed water, wherein, described plastic film thickness is between 0.1～0.5mm.The present invention has the feature of simple in construction, low cost.
Description
Technical field
The present invention relates to a kind of heat exchanger and dryer, a kind of drying condensation heat using plastic sheeting to manufacture is handed over
Parallel operation and dryer.
Background technology
In the drying mechanism of clothesdrier or clothes washer-dryer, generate and add the device of hot-air and mostly use and pass through
Heater adds the mode of heating of hot-air.Existing electric heating dryer typically uses heater strip or adds heat pipe as thermal source, this
Series products energy consumption is high, drying time length and poor stability.In order to reduce energy consumption, have developed heat pump clothes dryer, use heat
Pumping system, strengthens recycling heat, improves the utilization ratio of heat, reduce the consumption of electric energy.
Heat-pump-type clothes drying device is provided with following air circulation duct: carried out by the condenser in heat pump circulating system
The hot-air that adds crossing heating is admitted to equipped with in the hothouse of medicated clothing, and the moisture absorption air having captured moisture from medicated clothing is sent back to
Dehumidifying at vaporizer, the air after dehumidifying is heated by condenser again, and sends in hothouse.
Although the energy consumption of these heat pump clothes dryers decreases, but drying speed aspect, do not improve, needed for clothes drying process
Time is the longest, and general 7-8KG medicated clothing of drying needs 2-3 hour.In order to remove the moisture in medicated clothing in the short time,
People take various mode to realize this purpose, and the method that dryer is used is up temperature, strengthen superficial air circulation,
Increase heat exchange area.Although using these methods, but the energy consumption of clothes drying process and time still remain high.And at high temperature
Lower drying medicated clothing, has destruction, and easily produces gauffer and shrink fabric itself.
The Chinese patent of Application No. 200610153406.9 discloses one can make generation circulate between hothouse and heat pump
The heat pump of drying air realize the clothes drying device of stable operation.Wherein, the heater in heat pump heating was carried out
Air is sent into as in the steel ladle of hothouse, returns to heat pump, by inhaling after the air through filter unit that steel ladle is discharged
Deliver to heater again after the dehumidifying of hot device, form air circulation duct.Filter unit is provided with lint filter, and sets
There is the pipeline being connected with air outlet and air induction port.
Existing utilize cold air as the condensing type heat exchanger application of cooling medium in dryer or in washing-drying integral machine, one
As use foil to constitute through welding procedure to dry air channel and staggered condensation air channel, this condenser processing technique is more multiple
Miscellaneous, it is impossible to arbitrarily to be processed manufacturing according to washing machine structure, relatively costly.
In view of this special proposition present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, it is provided that a kind of knot being made up of plastic film material
Structure is simple, the drying condensation heat exchanger of low cost.
Another object of the present invention is to provide a kind of dryer with plastic film material drying condensation heat exchanger.
For solving above-mentioned technical problem, the present invention uses the basic conception of technical scheme to be: a kind of drying condensation heat exchanger,
Described heat exchanger is made up of plastic sheeting, and for outside air air-cooled type heat exchanger, inside includes that two prescriptions are mutual to difference
The air channel being not communicated with, often group air channel is made up of multiple air chambers, the air chamber in two groups of air channels staggered interval, same group of wind successively
For an air chamber in another group air channel between the air chamber that each two in road is adjoining, it is made up of plastic sheeting wall interval each other.
Wherein, described plastic film thickness is between 0.05～1.5mm.
Preferably, described plastic film thickness is between 0.08～0.8mm；It is furthermore preferred that described plastic film thickness
Between 0.1～0.5mm
Two groups of described air channels are respectively condensation air channel and outside air air channel, and one end, outside air air channel is provided with condensation fan,
The straight-through external world of the other end, condensation one end, air channel is passed through damp-heat air, and the other end discharges condensed air and condensed water.
The flow direction of the described damp-heat air in condensation air channel is for flow from top to bottom.Preferably, in outside air air channel
Outside air horizontal mobility.
The present invention has the dryer of drying condensation heat exchanger described above, including contain clothing bucket, air outlet, filter,
Dry blower fan, heater and air inlet, also include that collecting box, described air outlet connect with heat exchanger, heat exchanger
Connecting with collecting box, collecting box connects with air inlet, and filter is located between air outlet and heat exchanger, dries blower fan and adds
Thermal is sequentially arranged between collecting box and air inlet.
Described collecting box passes through draining pump and ft connection, is provided with and controls the water level inductive switch that draining pump is opened in collecting box.
Described filter is made up of at least two-layer drainage screen, and the one layer drainage screen nearer apart from air outlet is detachable.
Same waste-heat recovery device, waste heat it is provided with between described filter and heat exchanger and between collecting box and drying blower fan
Two groups of air-flow wind paths, respectively damp-heat air wind path and waste heat recovery wind path, two groups of air-flow wind path structures it are provided with inside retracting device
Become heat exchange structure, damp-heat air wind path connection filter and heat exchanger, waste heat recovery wind path connection collecting box and drying wind
Machine.
Described waste-heat recovery device includes a shell and the heat exchanger being located in shell, damp-heat air wind path and waste heat recovery wind
Being located in heat exchanger of the bidirectional crossed convection current in road, corresponding two groups of wind path shell upper be respectively equipped with damp-heat air wind path air inlet and
Waste heat recovery wind path air outlet, bottom are provided with damp-heat air wind path air outlet and waste heat recovery wind path air inlet, hot-air wind path
The equal diagonal angle setting into and out of air port into and out of air port and waste heat recovery wind path.
After using technique scheme, the present invention compared with prior art has the advantages that.
The present invention is directed to the heat exchanger of outside air air-cooled employing plastic film material, heat exchanger effectiveness is high, with plastic sheeting
As heat exchanger material, manufacturing process is the simplest；It is easier to according to dryer or for the different dryings of washing-drying integral machine
Power, combination manufactures installs；The dryer or the washing-drying integral machine weight that use this heat exchanger are gentlier readily transported, and cost
Lower.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is heat converter structure schematic diagram of the present invention；
Fig. 2 is that the A of Fig. 1 is to sectional schematic diagram；
Fig. 3 is the heat exchanger wind path circulation schematic diagram described in the embodiment of the present invention one；
Fig. 4 is the dryer circulation drying system schematic described in the embodiment of the present invention one；
Fig. 5 is the heat exchanger wind path circulation schematic diagram described in the embodiment of the present invention two；
Fig. 6 is the waste-heat recovery device heat exchanger structure schematic diagram described in the embodiment of the present invention two；
Fig. 7 is the dryer circulation drying system schematic described in the embodiment of the present invention two.
Detailed description of the invention
As depicted in figs. 1 and 2, drying condensation heat exchanger of the present invention, it is installed on dryer or has dry
In the washing machine of clothing function.Described heat exchanger 1 is made up of plastic sheeting, for outside air air-cooled type heat exchanger, interior
Portion include two prescriptions to the not connected air channels 11,12 of difference, often group air channel is made up of multiple air chambers, two groups of air channels 11,
The air chamber 13,14 of 12 staggered interval successively, for another group air channel between the air chamber that each two in same group of air channel is adjoining
An air chamber, each other by plastic sheeting wall interval constitute.
Described two groups of air channels 11,12 are respectively condensation air channel 11 and outside air air channel 12, one end, outside air air channel 12
Being provided with condensation fan 15 (refering to Fig. 3), the straight-through external world of the other end, condensation one end, air channel 11 is passed through damp-heat air, the other end
Discharge condensed air and condensed water.Condensation air channel 11 is made up of air chamber 13, and outside air air channel 12 is by air chamber 14
Constitute, be an air chamber 14 in outside air air channel 12 between the air chamber 13 that 11 liang of air channel of condensation is adjoining.Cold for not making
Solidifying water loading forms thermal resistance in air cavity wall, reduces condensation efficiency, the flowing of the described damp-heat air in condensation air channel 11
Direction is for flow from top to bottom.Preferably, the outside air horizontal mobility in outside air air channel 12.
Wherein, described plastic film thickness L is between 0.05～1.5mm；Preferably, described plastic film thickness exists
Between 0.08～0.8mm；It is furthermore preferred that described plastic film thickness is between 0.1～0.5mm.The present embodiment uses 0.1mm
Plastic sheeting.Described air chamber cross sectional shape is not limited to rectangle, circle, ellipse, it is also possible to air cavity wall is provided with profit
In the various bellows-shaped that condensed water falls, or the combination of above-mentioned arbitrary shape.
Plastic sheeting of the present invention is resistant to elevated temperatures plastic sheeting, for example, it is possible to reach 150 DEG C of indeformable polyimides
Thin film.Plastic sheeting described in the present embodiment uses heat distortion temperature to be the polyethylene film of 80-100 DEG C.
Embodiment one
As shown in Figure 3 and Figure 4, dryer of the present invention, including containing clothing bucket 2, air outlet, filter 3, heat exchange
Device 1, collecting box 4, drying blower fan 5, heater 6 and air inlet, described air outlet connects with heat exchanger 1, heat
Exchanger 1 connects with collecting box 4, and collecting box 4 connects with air inlet, filter 3 be located at air outlet and heat exchanger 1 it
Between, dry blower fan 5 and heater 6 and be sequentially arranged between collecting box 4 and air inlet that (air outlet and air inlet are the most equal
Not shown).Described collecting box 4, by draining pump 41 and ft connection, is provided with control draining pump 41 and opens in collecting box 4
The water level inductive switch 42 opened.
Wherein contain clothing bucket 2, air outlet, filter 3, drying blower fan 5, heater 6 and air inlet and all can use existing
Designing, air outlet and air inlet refer to contain air outlet and the air inlet of clothing bucket, and heater 6 typically uses and adds heat pipe or heating
Silk, it is also possible to use and add hot plate.
As shown in Figure 4, when drying is carried out, enter heat exchanger 1 from the damp-heat air containing the blowout of clothing bucket 2 air outlet along pipeline
Condensation air channel 11 in, in heat exchanger 1, along heat exchanger 1 outside air air channel 12 enter outside air with
Damp-heat air in condensation air channel 11 produces heat exchange, and the damp-heat air temperature in condensation air channel 11 reduces, relative humidity liter
Height, the local air being distributed in air cavity wall periphery reaches saturation, and the steam in air separates out, along air cavity wall stream
Enter collecting box 4；When water level inductive switch 42 perception water level reaches presetting position, draining pump 41 is opened, by condensed water
Discharge；The low grade fever low-humidity air of process condensation, through collecting box 4, is sent into after heater 6 heats by drying blower fan 5 and is again led to
Cross air inlet to enter in Sheng clothing bucket 2.
Embodiment two
As shown in Figures 5 to 7, the present invention adds waste-heat recovery device 7 on the basis of embodiment one, and this waste heat recovery fills
Put 7 to be located between filter 3 and heat exchanger 1, be also located at collecting box 4 simultaneously and dry between blower fan 5, waste heat recovery
Device 7 is internal is provided with two groups of air-flow wind paths, respectively damp-heat air wind path 71 and waste heat recovery wind path 72, two groups of air-flow wind paths
Constituting heat exchange structure, damp-heat air wind path 71 connects filter 3 and heat exchanger 1, and waste heat recovery wind path 72 connection is catchmented
Box 4 and drying blower fan 5, damp-heat air is passed sequentially through the damp and hot sky of waste-heat recovery device 7 the most afterwards by the air outlet containing clothing bucket 2
Gas wind path 71, heat exchanger 1, collecting box 4, then complete waste heat by the waste heat recovery wind path 72 of waste-heat recovery device 7 and return
Receive.
Concrete, described waste-heat recovery device 7 includes a shell 70 and the heat exchanger 73 being located in shell, damp-heat air wind
Being located in heat exchanger 73 of road 71 and the bidirectional crossed convection current of waste heat recovery wind path 72, corresponding two groups of wind path shell 70 tops set
Damp-heat air wind path air inlet 74 and waste heat recovery wind path air outlet 75, bottom is had to be provided with damp-heat air wind path air outlet 76 and
Waste heat recovery wind path air inlet 77, hot-air wind path air inlet 74, air outlet 76 and waste heat recovery wind path air inlet 77, goes out
Equal diagonal angle, air port 75 is arranged.
Described heat exchanger 73 is internal is respectively constituted damp-heat air wind path and waste heat recovery wind path by two groups of heat exchanging fins, often organizes heat
Changing plate constitutes multiple equidirectional gas channels, and the air-flow being provided with another group between same group of two adjacent gas channels leads to
Road, the gas channel of two groups of heat exchanging fin compositions is intervally installed, and forms the heat exchange structure of bidirectional crossed convection current.
Or, as shown in Figure 6, heat exchanger 73 is internal to be made up of multiple parallel dividing plates, is provided with air-flow between two adjacent separator
Passage 78,79, is spaced gas channel two air inlet direction closure successively and forms the wind path of two intersection isolation.Or one
The internal gas channel 78,79 being spaced two groups of bidirectional crossed directions of giving a farfetched interpretation of overall structure.Again or, heat exchanger 73 may be used without
The dividing wall type heat exchanger at interval, existing plate face.
As it is shown in fig. 7, dry when carrying out, from containing wet along by waste-heat recovery device of the damp-heat air of clothing bucket 2 air outlet blowout
Hot-air wind path air inlet 74 enters damp-heat air wind path 71, is discharged into heat exchange at damp-heat air wind path air outlet 76
In the condensation air channel 11 of device 1, in heat exchanger 1, it is extraneous empty that the outside air air channel 12 along heat exchanger 1 enters
Gas and the damp-heat air in condensation air channel 11 produce heat exchange, and the damp-heat air temperature in condensation air channel 11 reduces, the wettest
Degree raises, and the local air being distributed in air cavity wall periphery reaches saturation, and the steam in air separates out, along air chamber
Wall flows into collecting box 4；When water level inductive switch 42 perception water level reaches presetting position, draining pump 41 is opened, by cold
Solidifying water is discharged；The low grade fever low-humidity air of process condensation, through collecting box 4, returns to the waste heat recovery wind path air intake of waste-heat recovery device
Mouth 77, enters waste heat recovery wind path 72；Owing to the air through condensation is while drying out, temperature also can reduce, and returns
The most cold and hot exchange is created again, knot to the relative low temperature air of waste-heat recovery device and the damp-heat air of damp-heat air wind path 71
Fruit makes the damp-heat air temperature that will enter heat exchanger 1 shift to an earlier date pre-cooling reduction, through the dry air of waste-heat recovery device 7
Before heater 6 reheats, temperature raises, and forms preheating, and therefore, the air reheating reentering drying cycle needs
The energy wanted also reduces, and reduces energy expenditure and the noise of big flow condensation air generation.
On the basis of above-described embodiment, in order to avoid line bits blocking heat-exchanger 1 or waste-heat recovery device 7, preferably filter
Line is considered to be worth doing, and described filter 3 is made up of at least two-layer drainage screen, and the one layer drainage screen nearer apart from air outlet is removed to
In cleaning.
The present invention is directed to the heat exchanger of outside air air-cooled employing plastic film material, heat exchanger effectiveness is high, with plastic sheeting
As heat exchanger material, manufacturing process is the simplest；It is easier to according to dryer or for the different dryings of washing-drying integral machine
Power, combination manufactures installs；The dryer or the washing-drying integral machine weight that use this heat exchanger are gentlier readily transported, and cost
Lower.
The spirit and scope of the present invention are not defined by above-described embodiment, on the premise of without departing from design philosophy of the present invention,
The various changes and modifications that in this area, technical scheme is made by professional and technical personnel, belong to the protection of the present invention
Scope.
Claims (8)
1. a dryer, including containing clothing bucket, air outlet, filter, drying blower fan, heater and air inlet, it is special
Levy and be: also include,
Drying condensation heat exchanger, this heat exchanger is made up of plastic sheeting, for outside air air-cooled type heat exchanger, interior
Portion includes that two prescriptions, to different not connected air channels, are often organized air channel and are made up of multiple air chambers, and the air chamber in two groups of air channels depends on
Secondary staggered interval, for an air chamber in another group air channel between the air chamber that each two in same group of air channel is adjoining, each other by
Plastic sheeting wall interval is constituted, and two groups of air channels are respectively condensation air channel and outside air air channel, and one end, outside air air channel is provided with
Condensation fan, the straight-through external world of the other end, condensation one end, air channel is passed through damp-heat air, and the other end discharges condensed air and cold
Solidifying water, the damp-heat air flow direction in condensation air channel is for flow from top to bottom；
Collecting box, described air outlet connects with heat exchanger, and heat exchanger connects with collecting box, and collecting box is with air inlet even
Logical, filter is located between air outlet and heat exchanger, dry blower fan and heater be sequentially arranged in collecting box and air inlet it
Between.
Dryer the most according to claim 1, it is characterised in that: described collecting box passes through draining pump and ft connection,
It is provided with in collecting box and controls the water level inductive switch that draining pump is opened.
Dryer the most according to claim 1, it is characterised in that: described filter is made up of at least two-layer drainage screen,
The one layer drainage screen nearer apart from air outlet is detachable.
4. according to the arbitrary described dryer of claim 1-3, it is characterised in that: between described filter and heat exchanger
And it is provided with same waste-heat recovery device between collecting box and drying blower fan, it is provided with two groups of air-flow wind paths inside waste-heat recovery device,
Being respectively damp-heat air wind path and waste heat recovery wind path, two groups of air-flow wind paths constitute heat exchange structure, and damp-heat air wind path connects
Filter and heat exchanger, waste heat recovery wind path connection collecting box and drying blower fan.
Dryer the most according to claim 4, it is characterised in that: described waste-heat recovery device includes a shell and sets
Being located in heat exchanger of heat exchanger in shell, damp-heat air wind path and the bidirectional crossed convection current of waste heat recovery wind path, corresponding two
Group wind path shell upper is respectively equipped with damp-heat air wind path air inlet and waste heat recovery wind path air outlet, bottom are provided with damp-heat air
Wind path air outlet and waste heat recovery wind path air inlet, hot-air wind path is equal into and out of air port into and out of air port and waste heat recovery wind path
Diagonal angle is arranged.
6. one kind is used for the drying condensation heat exchanger of dryer as described in claim 1-5 is arbitrary.
A kind of drying condensation heat exchanger the most according to claim 6, it is characterised in that: described plastic sheeting is thick
Degree is between 0.05～1.5mm.
A kind of drying condensation heat exchanger the most according to claim 7, it is characterised in that: described plastic sheeting is thick
Degree is between 0.08～0.8mm.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350840.7A CN102505437B (en) | 2011-11-08 | 2011-11-08 | A kind of drying condensation heat exchanger and dryer |
| US14/355,607 US9869052B2 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| PCT/CN2012/080441 WO2013067837A1 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| JP2014540296A JP6069797B2 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for clothes drying condensation, clothes drying means, clothes dryer, and clothes drying method |
| EP12847897.1A EP2778281B1 (en) | 2011-11-08 | 2012-08-22 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110350840.7A CN102505437B (en) | 2011-11-08 | 2011-11-08 | A kind of drying condensation heat exchanger and dryer |
Publications (2)
| Publication Number | Publication Date |
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| CN102505437A CN102505437A (en) | 2012-06-20 |
| CN102505437B true CN102505437B (en) | 2016-11-23 |
Family
ID=46217565
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110350840.7A Active CN102505437B (en) | 2011-11-08 | 2011-11-08 | A kind of drying condensation heat exchanger and dryer |
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| CN (1) | CN102505437B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013067837A1 (en) * | 2011-11-08 | 2013-05-16 | 海尔集团公司 | Heat exchanger for condensation in clothes drying and clothes drying system and clothes dryer and drying method thereof |
| KR102057859B1 (en) * | 2013-01-25 | 2019-12-20 | 엘지전자 주식회사 | Laundry Machine |
| CN103486876B (en) * | 2013-06-21 | 2016-01-13 | 无锡小天鹅股份有限公司 | Heat-exchanger rig and dryer thereof or washing-drying integral machine |
| EP3022351B1 (en) * | 2013-07-16 | 2018-09-05 | LG Electronics Inc. | Clothes dryer |
| CN104801840A (en) * | 2014-01-28 | 2015-07-29 | 上海朗仕电子设备有限公司 | Air cooling type soldering flux gathering device for reflow soldering furnace |
| CN104911882B (en) * | 2014-03-14 | 2018-10-30 | 青岛海尔滚筒洗衣机有限公司 | A kind of dryer or washing-drying integral machine |
| CN104911880B (en) * | 2014-03-14 | 2018-12-25 | 青岛海尔滚筒洗衣机有限公司 | A kind of filter structure of heat exchanger |
| CN105780424A (en) * | 2014-12-17 | 2016-07-20 | 无锡小天鹅股份有限公司 | Clothes dryer and heat exchange device of same |
| CN105986454A (en) * | 2015-02-04 | 2016-10-05 | 青岛海尔洗衣机有限公司 | Air condenser and clothes dryer |
| JP6484809B2 (en) * | 2015-09-08 | 2019-03-20 | パナソニックＩｐマネジメント株式会社 | Clothes dryer |
| CN106884293A (en) * | 2015-12-16 | 2017-06-23 | 青岛海尔智能技术研发有限公司 | Microwave clothes drier |
| CN109695968B (en) * | 2018-11-30 | 2021-01-29 | 安徽欧瑞达电器科技有限公司 | Drying and dehumidifying heat recovery integrated machine |
| CN110068204B (en) * | 2019-05-28 | 2024-03-19 | 千玉花 | Energy-efficient crops drying-machine that can retrieve heat energy |
| CN114293356B (en) * | 2020-09-22 | 2023-12-15 | 云米互联科技(广东)有限公司 | Moisture discharging device for clothes dryer, clothes dryer and moisture discharging method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS55110200U (en) * | 1979-01-26 | 1980-08-02 | ||
| EP0982427B1 (en) * | 1998-08-25 | 2003-03-05 | Joma-Polytec Kunststofftechnik GmbH | Cross flow heat exchanger for laundry drier with condenser |
| CN2385290Y (en) * | 1999-07-07 | 2000-06-28 | 海尔集团公司 | Plate type air heat-exchanger |
| CN2532098Y (en) * | 2002-03-31 | 2003-01-22 | 牛献中 | Drying device capable of recovering heat energy for dry washing machine and water-washing drying-machine |
| KR101235193B1 (en) * | 2005-06-13 | 2013-02-20 | 삼성전자주식회사 | Washing machine and control method thereof |
| DE102008006347A1 (en) * | 2008-01-28 | 2009-07-30 | BSH Bosch und Siemens Hausgeräte GmbH | Condensation dryer and method for its operation |
| CN101684610B (en) * | 2008-09-26 | 2011-11-09 | 博西华电器（江苏）有限公司 | Clothes drying device |
| CN201648804U (en) * | 2009-12-31 | 2010-11-24 | 无锡小天鹅股份有限公司 | Heat exchanger for air condensing type clothes drying machine |
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Effective date of registration: 20160704 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Drum Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant before: haier group corporation Applicant before: Qingdao Haier Drum Washing Machine Co., Ltd. |
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