CN104695191A - Clothes washing and drying machine with heat pump - Google Patents

Clothes washing and drying machine with heat pump Download PDF

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Publication number
CN104695191A
CN104695191A CN201310656497.8A CN201310656497A CN104695191A CN 104695191 A CN104695191 A CN 104695191A CN 201310656497 A CN201310656497 A CN 201310656497A CN 104695191 A CN104695191 A CN 104695191A
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CN
China
Prior art keywords
heat pump
laundry dryer
container cavity
air
condenser
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CN201310656497.8A
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Chinese (zh)
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CN104695191B (en
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不公告发明人
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Hangzhou Sanhua Research Institute Co Ltd
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Hangzhou Sanhua Research Institute Co Ltd
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Priority to CN201310656497.8A priority Critical patent/CN104695191B/en
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    • 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 
    • D06F58/206Heat pump arrangements
    • 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
    • D06F58/02Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • 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 
    • D06F58/24Condensing arrangements

Abstract

The invention discloses a clothes washing and drying machine with a heat pump. The clothes washing and drying machine comprises a clothes washing and drying machine tank body, a heat pump system and a roller installed in the clothes washing and drying machine tank body, the heat pump system comprises a heat pump unit and a compressor which are connected together through a pipeline, the heat pump unit comprises an air inlet, an air outlet, a shell, an evaporator, a condenser and a draught fan, wherein the evaporator, the condenser and the draught fan are fixed in the shell, the evaporator and the condenser are located at the top of the clothes washing and drying machine, the shell is provided with a first accommodating cavity communicated with the air inlet and a second accommodating cavity communicated with the first accommodating cavity, the evaporator is placed in the first accommodating cavity, and the condenser is placed in the second accommodating cavity. The clothes washing and drying machine with the heat pump has the benefits that the evaporator and the condenser are located at the top of the clothes washing and drying machine, on one side, the water drainage is facilitated, on the other side, the heat pump unit is installed after the installation of the roller is finished, so that the installation is facilitated.

Description

Heat pump laundry dryer
[technical field]
The present invention relates to a kind of heat pump laundry dryer, belong to field of household appliances.
[background technology]
Along with improving constantly of people's living standard, simple washing machine more and more can not meet the requirement of people.The appearance possessing the clothes washer-dryer of drying function brings great convenience to the life of people.
The oven dry pattern of clothes washer-dryer mainly comprises: the heat pump heating system that electric-heating water condensation drying system, the air-cooled solidifying drying system of electrical heating and evaporator condensation heat in conjunction with condenser.Dry pattern relative to first two, heat pump drying is energy-conservation reaches 40% ~ 50%, and drying course does not consume water, and market application foreground is wide.
Chinese invention patent CN102286872A disclosed in 21 days December in 2011 discloses a kind of typical heat pump laundry dryer, and it comprises cylinder, heat pump and draining pump etc.Described heat pump comprises the compressor, evaporimeter, the condenser that are linked together by pipeline.The element of the heat pump of described compressor, evaporimeter, condenser is all positioned at the bottom of described heat pump laundry dryer.Because the bottom of heat pump laundry dryer often has larger utilized space, then consider that traditional evaporimeter and condensation vessel volume are comparatively large, the bottom therefore heat pump being installed on heat pump laundry dryer is industry conventional design.But this design has some shortcomings: first, the main drain pump of evaporimeter and heat pump laundry dryer is arranged in robot base simultaneously, does not have drop.The condensed water that such humid air condenses after evaporator will be gathered in the bottom of heat pump laundry dryer, gravity cannot be leaned on automatically to flow into main drain pump, condensed water is discharged by the increase of therefore having to extra draining pump, thus causes cost increase, complex structure.Secondly, bottom heat pump being installed on heat pump laundry dryer will certainly cause needs longer air pipeline wind guided in cylinder heat pump and from heat pump, hot blast led back cylinder.The windage that such air pipeline produces is comparatively large, and be unfavorable for system cloud gray model, relative cost is also high.
Therefore, be necessary to improve existing technology, to solve above technical problem.
[summary of the invention]
The object of the present invention is to provide and be a kind ofly easy to draining, heat pump laundry dryer that windage is less.
For achieving the above object, the present invention adopts following technical scheme: a kind of heat pump laundry dryer, it comprises clothes washer-dryer casing, heat pump and the cylinder be installed in described clothes washer-dryer casing, described heat pump comprises the heat pump unit and compressor that are linked together by pipeline, described heat pump unit comprises air intlet, air outlet slit, housing, be fixed on the evaporimeter in described housing, be fixed on the condenser in described housing and blower fan, described evaporimeter and condenser are positioned at the top of described heat pump laundry dryer, described housing is provided with the first container cavity be communicated with described air intlet and the second container cavity be communicated with described first container cavity, described evaporimeter is placed in described first container cavity, described condenser is placed in described second container cavity.
As further improved technical scheme of the present invention, described cylinder is provided with the front end and the rear end relative with described front end that are positioned near opening the door, and in described air intlet and described air outlet slit, one is positioned at described front end, and another is positioned at described rear end.
As further improved technical scheme of the present invention, described clothes washer-dryer casing comprises the chute run through forward, described heat pump laundry dryer comprises the filter screen be inserted in described chute, and described filter screen to be contained in described first container cavity and to be positioned at the top of described evaporimeter.
As further improved technical scheme of the present invention, described housing also comprises the osculum be positioned at bottom described first container cavity, described heat pump laundry dryer comprises drainpipe, described drainpipe comprises the entrance point being connected to described osculum and the port of export of being discharged by condensed water, and the described port of export is lower than described entrance point.
As further improved technical scheme of the present invention, described housing is provided with the honeycomb duct be communicated with described air intlet, described first container cavity realizes being communicated with by described honeycomb duct with air intlet, air is directed at the eminence of described heat pump unit by described honeycomb duct, makes described air from top to bottom by described evaporimeter.
As further improved technical scheme of the present invention, described housing is provided with that to be positioned at bottom described first container cavity domatic, and described osculum is positioned at described domatic lowest part.
As further improved technical scheme of the present invention, described evaporimeter is installed in described first container cavity obliquely, described condenser is installed in described second container cavity obliquely, described evaporimeter and/or described condenser are micro-channel heat exchanger, the micro-channel flat that described micro-channel heat exchanger comprises header, two ends are communicated with described header and the fin be welded between adjacent two flat tubes.
As further improved technical scheme of the present invention, described heat pump unit is L-type, described heat pump unit also comprises the blower fan coordinated with described housing and the sleeve pipe be connected with described blower fan, wherein said blower fan is provided with the fans entrance be communicated with described second container cavity and the fan outlet be communicated with described sleeve pipe, described sleeve pipe is provided with the air channel be communicated with described fan outlet, dry air after heating, in order to humid air is sucked described air intlet, is blown in described cylinder from described air outlet slit by described blower fan.
As further improved technical scheme of the present invention, described compressor is positioned at the top of described heat pump laundry dryer.
As further improved technical scheme of the present invention, described heat pump laundry dryer also comprises the auxiliary condenser be connected in described heat pump and the accessory fan matched with described auxiliary condenser.
Compared with prior art, described evaporimeter and condenser are positioned at the top of described heat pump laundry dryer by the present invention, are convenient to draining on the one hand, can reinstall described heat pump unit on the other hand after cylinder installs, thus easy for installation.In addition, described heat pump unit is arranged on the length that top can shorten air channel greatly, thus reduces windage, improve efficiency.
[accompanying drawing explanation]
Fig. 1 is the part isometric schematic diagram of heat pump laundry dryer of the present invention.
Fig. 2 is the decomposed schematic diagram of heat pump unit in Fig. 1.
Fig. 3 is the decomposed schematic diagram of another angle of Fig. 2.
Fig. 4 is the schematic perspective view of evaporimeter in Fig. 2.
Fig. 5 is the three-dimensional exploded view of Fig. 4.
Fig. 6 is the schematic perspective view of condenser in Fig. 2.
Fig. 7 is the three-dimensional exploded view of Fig. 6.
Fig. 8 is the partial cutaway schematic of heat pump unit of the present invention.
Fig. 9 is the partial cutaway schematic after inserting filter screen in Fig. 8.
[detailed description of the invention]
Shown in please refer to the drawing 1 to Fig. 3, present invention is disclosed a kind of heat pump laundry dryer 100, it cylinder 30 comprising clothes washer-dryer casing 10, heat pump 20 and be installed in described clothes washer-dryer casing 10.Described heat pump 20 comprises the heat pump unit 2 and compressor 3 that are linked together by pipeline (not shown).Described heat pump unit 2 is substantially L-shaped, it comprises housing 21, the evaporimeter 22 be fixed in described housing 21, the condenser 23 be fixed in described housing 21, the blower fan 24 coordinated with described housing 21 and the sleeve pipe 25 be connected with described blower fan 24.Described evaporimeter 22 and condenser 23 are positioned at the top of described heat pump laundry dryer 100.
Shown in please refer to the drawing 2 and Fig. 3, described clothes washer-dryer casing 10 comprises the front end face 101 being provided with operation interface and the chute 102 running through described front end face 101.
The rotating shaft that described cylinder 30 extends around front and back rotates.Described cylinder 30 comprises the front end 31 of close enabling and the rear end 32 relative with described front end 31.Described heat pump unit 2 comprises air intlet 201 and air outlet slit 202.In described air intlet 201 and described air outlet slit 202, one is positioned at the front end 31 of described cylinder 30, and another is positioned at the rear end 32 of described cylinder 30.Shown in please refer to the drawing 1 to Fig. 3, in illustrative embodiments of the present invention, described air intlet 201 is positioned at front end 31, and described air outlet slit 202 is positioned at rear end 32.Certainly, in other embodiments, described air intlet 201 can reversing of position with described air outlet slit 202.
Shown in please refer to the drawing 2, Fig. 3, Fig. 8 and Fig. 9, described housing 21 comprises base 211 and is held in the lid 212 on described base 211.Described base 211 be provided with the first container cavity 2111, the second container cavity 2112 be communicated with described first container cavity 2111, in the height direction in contraction-like closing in 2113 and the osculum 2114 that is positioned at bottom described first container cavity 2111.Described lid 212 is shielded in first, second container cavity 2111,2112 described and described closing in 2113.First, second container cavity 2111,2112 described realizes being communicated with by described closing in 2113.Described housing 21 be provided be positioned at bottom described first container cavity 2111 domatic 2115, described osculum 2114 is positioned at the described lowest part of domatic 2115, is beneficial to draining.The bottom of described closing in 2113 is higher than described osculum 2114.
Shown in please refer to the drawing 1, described housing 21 comprises the neck 213 between described first container cavity 2111 and described second container cavity 2112.Described closing in 2113 is be positioned on described neck 213.Described neck 213 is in the lateral direction also in contraction-like.
Shown in please refer to the drawing 8 and Fig. 9, described evaporimeter 22 is installed in described first container cavity 2111 obliquely, described first container cavity 2111 is divided into the first space 221 being positioned at top and the second space 222 being positioned at below.Described condenser 23 is installed in described second container cavity 2112 obliquely, described second container cavity 2112 is divided into the 3rd space 231 being positioned at top and the 4th space 232 being positioned at below.Second, third space 222,231 described realizes being communicated with by described closing in 2113.Tilt to install described evaporimeter 22 to be to increase described evaporimeter 22 and the heat exchange area of described condenser 23 as much as possible with the object of described condenser 23, promote heat exchange property.Shown in please refer to the drawing 4 to Fig. 7, in illustrative embodiments of the present invention, described evaporimeter 22 and/or described condenser 23 are micro-channel heat exchanger, the micro-channel flat 224 that described micro-channel heat exchanger comprises header 223, two ends are communicated with described header 223 and the fin 225 be welded between adjacent two flat tubes 224.When same heat exchanger efficiency, micro-channel heat exchanger has less volume, lighter weight than traditional heat exchanger, and the top making heat pump unit 2 of the present invention be placed in heat pump laundry dryer 100 becomes possibility.
As everyone knows, the center of gravity of object is more high is more unfavorable for the stable of object.So traditional heat exchanger is all the bottom being positioned in heat pump laundry dryer.But, after the present invention adopts micro-channel heat exchanger, due to small volume, can headroom be utilized, even and if the top being placed on heat pump laundry dryer also can not affect the whole machine balancing of heat pump laundry dryer.What is more important, once the top described heat pump unit 2 being arranged on heat pump laundry dryer, the length of air pipeline is just shortened greatly, thus greatly reduces windage, improves systematic function.In addition, described heat pump unit 2 is arranged on the top of heat pump laundry dryer, described heat pump unit 2 can be reinstalled after cylinder 30 installs, thus easy for installation.
Shown in please refer to the drawing 3 and Fig. 8, described housing 21 is provided with the honeycomb duct 214 be communicated with described air intlet 201, and described first space 221 realizes being communicated with by described honeycomb duct 214 with described air intlet 201.Humid air is directed at the eminence of described heat pump unit 2 by described honeycomb duct 214, makes described humid air from top to bottom by described evaporimeter 22.Be understood that when humid air is from top to bottom by described evaporimeter 22, by heat exchange, the surface that the moisture in humid air can condense in evaporimeter 22 forms condensed water.Described heat pump laundry dryer 100 also comprises drainpipe 29, described drainpipe 29 comprise be connected to described osculum 2114 and be positioned at top entrance point and be positioned at below the port of export.The described port of export lower than described entrance point, to form the height of water.Setting like this, the condensed water that the present invention is formed after evaporator 22 can be discharged under gravity by osculum 2114 and described drainpipe 29, can arrange draining pump, structure is simple, cost is low, energy consumption is low.In addition, humid air by the flow direction consistent with the drainage direction of condensed water (being from top to bottom) of described evaporimeter 22, thus optimizes the discharge of condensed water greatly.
In order to filter air, guarantee that the air entered in described cylinder is cleaner, described heat pump unit 2 also comprises filter screen 6.The base 211 of described housing 21 is provided with the fluting 2116 be communicated with described first container cavity 2111, and described fluting 2116 aligns with described chute 102.Described filter screen 6 is housed in described fluting 2116 through described chute 102.After installation, described filter screen 6 is positioned at described first space 221 and is positioned at the top of described evaporimeter 22.Described filter screen 6 is in tilted layout so that can press close to the evaporator surface of inclination.In illustrative embodiments of the present invention, described filter screen 6 can directly laterally be extracted out from the right-side-out of heat pump laundry dryer 100, facilitates user to clean and again laterally loads.In addition, if heat pump laundry dryer 100 is embedded into formula to be arranged on toilet or other places, now the short transverse of heat pump laundry dryer 100 has strictly been limited by other objects.In this case, the present invention does not need the space that utilizes short transverse, foregoing problems can be made to be readily solved from the design of the filter screen of right-side-out pull.
Described blower fan 24 is provided with the fans entrance 241 be communicated with described second container cavity 2112 and the fan outlet 242 be communicated with described sleeve pipe 25.Described sleeve pipe 25 is provided with the air channel 251 be communicated with described fan outlet 242.Dry air after heating, in order to humid air to be sucked described air intlet 201, enters in described cylinder 30 clothes drying from described air outlet slit 202 by described blower fan 24.
In illustrative embodiments of the present invention, described heat pump laundry dryer 100 is provided with at described air intlet 201 place the door seal 27 be made up of flexible material (such as rubber).Described door seal 27 is near described cylinder 30.Setting like this, when cylinder 30 runs up, rocking in certain amplitude can not impact the housing 21 be connected with the door seal 27 of softness.Similarly, described heat pump laundry dryer 100 is provided with at described air outlet slit 202 place the bellows 28 be made up of flexible material.Described bellows 28 possesses certain retractility, and when cylinder 30 runs up, rocking in certain amplitude can not impact the sleeve pipe 25 be connected with the bellows 28 of softness.
Shown in please refer to the drawing 1, described heat pump laundry dryer 100 also comprises the auxiliary condenser 4 be connected in described heat pump 20 and the accessory fan 5 matched with described auxiliary condenser 4.In illustrative embodiments of the present invention, described compressor 3 is positioned at the bottom of described heat pump laundry dryer 100.Be understandable that, in other embodiments, described compressor 3 also can be positioned at the top of described heat pump laundry dryer 100 after miniaturization, so arranges, can reduce the length of connecting pipe between heat pump unit 2.In addition, auxiliary condenser 4, accessory fan 5 and the capillary (not shown) as restricting element can be changed to electric expansion valve, control heat pump refrigerant flow by electric expansion valve, thus further control system energy consumption.
Operation principle of the present invention is as follows: when clothing needs to dry, refrigerant circulation and air circulation all start, and wherein refrigerant circulation comprises described compressor 3 is worked, and the evaporimeter 22 in heat pump 20 and condenser 23 are in refrigeration respectively, heat state.Shown in arrow in please refer to the drawing 9, air circulation comprises blower fan 24 and starts, and the higher air of humidity from cylinder 30 out, then enters described heat pump unit 2 from described air intlet 201.In the process, first humid air is conducted to the eminence of described heat pump unit 2 by described honeycomb duct 214, then filter through filter screen 6, then makes described humid air from top to bottom carry out cool-down dehumidification by described evaporimeter 22, discharges condensed water.Due to the described existence of domatic 2115, the air through described evaporimeter 22 moves up further and passes described closing in 2113, and then is from top to bottom heated by described condenser 23.Air after heating becomes the dry air of high temperature low humidity, under the drive of described blower fan 24, is blown in described cylinder 30 through described air channel 251 and bellows 28.Wet wash in the dry air of high temperature low humidity and cylinder 30 carries out heat exchange, takes away moisture, so circulates, clothes drying the most at last.Certainly, in other embodiments, according to the difference that condenser 23 is arranged, described humid air also from bottom to top can pass through described condenser 23, or directly horizontally through described condenser 23, can realize heating function equally.
It should be noted that: can the content height correlation of moisture in drying clothes and hot-air.Namely must guarantee in the present invention that the air be blown in described cylinder 30 is drier after condenser 23 heats.That is, the strict condensed water controlled on evaporimeter 22 is needed again to enter in the second container cavity 2112.And the air in the present invention after evaporator 22 moves to described second container cavity 2112 from below to up, therefore, it is possible to avoid bringing condensed water into.
It should be noted that: above embodiment is only for illustration of the present invention and unrestricted technical scheme described in the invention, such as to " front ", " afterwards ", " left side ", " right side ", " on ", defining of D score isotropy, although this description reference the above embodiments are to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, person of ordinary skill in the field still can modify to the present invention or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, all should be encompassed in right of the present invention.

Claims (10)

1. a heat pump laundry dryer, it comprises clothes washer-dryer casing, heat pump and the cylinder be installed in described clothes washer-dryer casing, described heat pump comprises the heat pump unit and compressor that are linked together by pipeline, it is characterized in that: described heat pump unit comprises air intlet, air outlet slit, housing, be fixed on the evaporimeter in described housing, be fixed on the condenser in described housing and blower fan, described evaporimeter and condenser are positioned at the top of described heat pump laundry dryer, described housing is provided with the first container cavity be communicated with described air intlet and the second container cavity be communicated with described first container cavity, described evaporimeter is placed in described first container cavity, described condenser is placed in described second container cavity.
2. heat pump laundry dryer as claimed in claim 1, it is characterized in that: described cylinder is provided with the front end and the rear end relative with described front end that are positioned near opening the door, in described air intlet and described air outlet slit, one is positioned at described front end, and another is positioned at described rear end.
3. heat pump laundry dryer as claimed in claim 1, it is characterized in that: described clothes washer-dryer casing comprises the chute run through forward, described heat pump laundry dryer comprises the filter screen be inserted in described chute, and described filter screen to be contained in described first container cavity and to be positioned at the top of described evaporimeter.
4. heat pump laundry dryer as claimed in claim 1, it is characterized in that: described housing also comprises the osculum be positioned at bottom described first container cavity, described heat pump laundry dryer comprises drainpipe, described drainpipe comprises the entrance point being connected to described osculum and the port of export of being discharged by condensed water, and the described port of export is lower than described entrance point.
5. heat pump laundry dryer as claimed in claim 1, it is characterized in that: described housing is provided with the honeycomb duct be communicated with described air intlet, described first container cavity realizes being communicated with by described honeycomb duct with air intlet, air is directed at the eminence of described heat pump unit by described honeycomb duct, makes described air from top to bottom by described evaporimeter.
6. heat pump laundry dryer as claimed in claim 1, is characterized in that: described housing is provided with that to be positioned at bottom described first container cavity domatic, and described osculum is positioned at described domatic lowest part.
7. heat pump laundry dryer as claimed in claim 1, it is characterized in that: described evaporimeter is installed in described first container cavity obliquely, described condenser is installed in described second container cavity obliquely, described evaporimeter and/or described condenser are micro-channel heat exchanger, the micro-channel flat that described micro-channel heat exchanger comprises header, two ends are communicated with described header and the fin be welded between adjacent two flat tubes.
8. heat pump laundry dryer as claimed in claim 1, it is characterized in that: described heat pump unit is L-type, described heat pump unit also comprises the blower fan coordinated with described housing and the sleeve pipe be connected with described blower fan, wherein said blower fan is provided with the fans entrance be communicated with described second container cavity and the fan outlet be communicated with described sleeve pipe, described sleeve pipe is provided with the air channel be communicated with described fan outlet, dry air after heating, in order to humid air is sucked described air intlet, is blown in described cylinder from described air outlet slit by described blower fan.
9. heat pump laundry dryer as claimed in claim 1, is characterized in that: described compressor is positioned at the top of described heat pump laundry dryer.
10. heat pump laundry dryer as claimed in claim 1, is characterized in that: described heat pump laundry dryer also comprises the auxiliary condenser be connected in described heat pump and the accessory fan matched with described auxiliary condenser.
CN201310656497.8A 2013-12-06 2013-12-06 Heat pump laundry dryer Active CN104695191B (en)

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CN104695191B CN104695191B (en) 2018-01-16

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105951400A (en) * 2016-05-31 2016-09-21 无锡小天鹅股份有限公司 Heat pump system and clothes drying machine or washing and drying integrated machine with same
CN106978698A (en) * 2017-05-24 2017-07-25 珠海格力电器股份有限公司 Wash a dry body washer
WO2018040840A1 (en) * 2016-08-30 2018-03-08 青岛海尔滚筒洗衣机有限公司 Heat exchanger and washing machine having heat exchanger
WO2019196473A1 (en) * 2018-04-10 2019-10-17 珠海格力电器股份有限公司 Washing device and washing machine having same
DE102015209113B4 (en) * 2014-05-30 2021-06-10 Hangzhou Sanhua Research Institute Co., Ltd. DRYING SYSTEM AND USING THE DRYING SYSTEM IN A LAUNDRY DRYER
CN114059261A (en) * 2021-11-30 2022-02-18 珠海格力电器股份有限公司 Drum washing machine with heat pump drying function

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CN102206916A (en) * 2011-06-23 2011-10-05 海尔集团公司 Heat pump drying system for drying clothes by using roller and control method of heat pump drying system
CN102330316A (en) * 2011-08-12 2012-01-25 海尔集团公司 Washing and drying integrated machine with front and rear double drying air inlets and control method thereof
CN103348053A (en) * 2011-01-04 2013-10-09 伊莱克斯家用产品股份有限公司 Appliance for drying laundry

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Publication number Priority date Publication date Assignee Title
CN1497091A (en) * 2002-10-16 2004-05-19 松下电器产业株式会社 Washing drying machine
EP2281934A1 (en) * 2008-06-18 2011-02-09 Panasonic Corporation Drum-type washing and drying machine
CN103348053A (en) * 2011-01-04 2013-10-09 伊莱克斯家用产品股份有限公司 Appliance for drying laundry
CN102206916A (en) * 2011-06-23 2011-10-05 海尔集团公司 Heat pump drying system for drying clothes by using roller and control method of heat pump drying system
CN102330316A (en) * 2011-08-12 2012-01-25 海尔集团公司 Washing and drying integrated machine with front and rear double drying air inlets and control method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015209113B4 (en) * 2014-05-30 2021-06-10 Hangzhou Sanhua Research Institute Co., Ltd. DRYING SYSTEM AND USING THE DRYING SYSTEM IN A LAUNDRY DRYER
CN105951400A (en) * 2016-05-31 2016-09-21 无锡小天鹅股份有限公司 Heat pump system and clothes drying machine or washing and drying integrated machine with same
WO2018040840A1 (en) * 2016-08-30 2018-03-08 青岛海尔滚筒洗衣机有限公司 Heat exchanger and washing machine having heat exchanger
CN106978698A (en) * 2017-05-24 2017-07-25 珠海格力电器股份有限公司 Wash a dry body washer
WO2019196473A1 (en) * 2018-04-10 2019-10-17 珠海格力电器股份有限公司 Washing device and washing machine having same
CN114059261A (en) * 2021-11-30 2022-02-18 珠海格力电器股份有限公司 Drum washing machine with heat pump drying function
CN114059261B (en) * 2021-11-30 2022-10-25 珠海格力电器股份有限公司 Drum washing machine with heat pump drying function

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