EP2703551A1 - Kühlsystem für Wärmepumpentrockner und Wärmepumpentrockner mit solch einem Kühlsystem - Google Patents

Kühlsystem für Wärmepumpentrockner und Wärmepumpentrockner mit solch einem Kühlsystem Download PDF

Info

Publication number: EP2703551A1
Authority: EP; European Patent Office
Prior art keywords: condenser; heat pump; cooling system; pump drier; evaporator
Prior art date: 2012-09-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP12182905.5A

Other languages

English (en)

French (fr)

Other versions

EP2703551B1 (de

Inventor

Paolo Sicher

Matteo Parnisari

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Whirlpool Corp

Original Assignee

Whirlpool Corp

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2012-09-04

Filing date

2012-09-04

Publication date

2014-03-05

2012-09-04 Application filed by Whirlpool Corp filed Critical Whirlpool Corp

2012-09-04 Priority to EP12182905.5A priority Critical patent/EP2703551B1/de

2012-09-04 Priority to PL12182905T priority patent/PL2703551T3/pl

2014-03-05 Publication of EP2703551A1 publication Critical patent/EP2703551A1/de

2015-01-28 Application granted granted Critical

2015-01-28 Publication of EP2703551B1 publication Critical patent/EP2703551B1/de

Status Active legal-status Critical Current

2032-09-04 Anticipated expiration legal-status Critical

Links

238000001816 cooling Methods 0.000 title claims abstract description 13
238000005057 refrigeration Methods 0.000 claims abstract description 11
238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
238000000034 method Methods 0.000 claims description 5
239000003507 refrigerant Substances 0.000 description 5
230000033228 biological regulation Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000009833 condensation Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
230000017525 heat dissipation Effects 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Images

Classifications

- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/26—Heat pumps

Definitions

the present invention relates to a cooling system for a heat pump drier, comprising a refrigeration circuit including a compressor, a condenser and an evaporator.
the present invention relates also to a heat pump drier having such cooling system as well.
This type of cooling system is used in recent driers due to the increased energy efficiency obtained though a heat pump.
the cooling system is not only used to remove water by condensation on evaporator surface from the warm air downstream the drier drum, but also for heating air upstream the drier drum thanks to the heat released by the condenser of the cooling system.
An object of the invention is to present a cooling system of the type mentioned above which does not present the above problems. Such object is obtained thanks to features listed in the appending claims.
One of the feature of the invention is to create a by-pass of a portion of the condenser, so that condenser heat exchange performances are reduced or increased simply by driving an electro-valve which directs the flow of refrigerant fluid through the by-pass or through the entire condenser.
electro-valve deviates refrigerant flow in order to by-pass part of the condenser pipes.
electrovalve deviates refrigerant flow in order to include all condenser pipes. In this way cost and complexity compared to present solution are greatly reduced.
a heat pump drier having a drum 12 in which laundry to be dried is loaded.
a process air circuit 14 comprises conduits for conveying air (through the driving action of a blower - not shown) from the drum to a series of heat exchangers 16, 18 and 20 before entering again the drum 12.
the drier 10 comprises also a refrigeration circuit 22 having a compressor 24, a condenser 26 and an evaporator 28.
the condenser 26 is preferably part of the heat exchanger 18, while the evaporator 28 is part of the heat exchanger 16.
the third heat exchanger 20 upstream the drum 12 air is heated by an electric heater (not shown) in case the heat exchanger 18 cannot guarantee the desired temperature of air entering the drum 12.
the condenser 26 is cooled by a fan 30 which is switched on or off depending on the thermal balance of the drier.
the refrigeration circuit comprises also a filter 17 and a capillary 19 upstream the evaporator 28.
a three-way valve 32 upstream the condenser in the refrigeration circuit 22 it is placed a three-way valve 32 which can direct the flow of refrigerant towards the condenser or toward a by-bass pipe 34 which is connected to a predetermined portion of the condenser 26, i.e. at a predetermined distance from the inlet point.
the temperature sensor 36 is placed at the outlet of the condenser 26 upstream the capillary inlet, but it can be placed in a different position as well.

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Detail Structures Of Washing Machines And Dryers (AREA)

EP12182905.5A 2012-09-04 2012-09-04 Kühlsystem für Wärmepumpentrockner und Wärmepumpentrockner mit solch einem Kühlsystem Active EP2703551B1 (de)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
EP12182905.5A EP2703551B1 (de)	2012-09-04	2012-09-04	Kühlsystem für Wärmepumpentrockner und Wärmepumpentrockner mit solch einem Kühlsystem
PL12182905T PL2703551T3 (pl)	2012-09-04	2012-09-04	Układ chłodzenia dla suszarki z pompą ciepła oraz suszarka z pompą ciepła wykorzystująca taki układ chłodzenia

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP12182905.5A EP2703551B1 (de)	2012-09-04	2012-09-04	Kühlsystem für Wärmepumpentrockner und Wärmepumpentrockner mit solch einem Kühlsystem

Publications (2)

Publication Number	Publication Date
EP2703551A1 true EP2703551A1 (de)	2014-03-05
EP2703551B1 EP2703551B1 (de)	2015-01-28

Family

ID=46800102

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP12182905.5A Active EP2703551B1 (de)	2012-09-04	2012-09-04	Kühlsystem für Wärmepumpentrockner und Wärmepumpentrockner mit solch einem Kühlsystem

Country Status (2)

Country	Link
EP (1)	EP2703551B1 (de)
PL (1)	PL2703551T3 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014223569A1 (de)	2014-11-19	2016-05-19	BSH Hausgeräte GmbH	Wäschetrocknungsgerät und Verfahren zum Betreiben eines Wäschetrocknungsgeräts
CN108425222A (zh) *	2017-02-13	2018-08-21	青岛海尔滚筒洗衣机有限公司	一种节能干衣机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06257865A (ja) *	1993-03-04	1994-09-16	Hitachi Ltd	空気調和装置
US20070107255A1 (en) *	2004-04-09	2007-05-17	Matsushita Electric Industrial Co., Ltd.	Drying apparatus
WO2009016173A1 (en) *	2007-08-02	2009-02-05	Arcelik Anonim Sirketi	A washer/dryer

2012
- 2012-09-04 EP EP12182905.5A patent/EP2703551B1/de active Active
- 2012-09-04 PL PL12182905T patent/PL2703551T3/pl unknown

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH06257865A (ja) *	1993-03-04	1994-09-16	Hitachi Ltd	空気調和装置
US20070107255A1 (en) *	2004-04-09	2007-05-17	Matsushita Electric Industrial Co., Ltd.	Drying apparatus
WO2009016173A1 (en) *	2007-08-02	2009-02-05	Arcelik Anonim Sirketi	A washer/dryer

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102014223569A1 (de)	2014-11-19	2016-05-19	BSH Hausgeräte GmbH	Wäschetrocknungsgerät und Verfahren zum Betreiben eines Wäschetrocknungsgeräts
EP3023534A1 (de)	2014-11-19	2016-05-25	BSH Hausgeräte GmbH	Wäschetrocknungsgerät und verfahren zum betreiben eines wäschetrocknungsgeräts
CN108425222A (zh) *	2017-02-13	2018-08-21	青岛海尔滚筒洗衣机有限公司	一种节能干衣机
CN108425222B (zh) *	2017-02-13	2021-09-07	青岛海尔洗涤电器有限公司	一种节能干衣机

Also Published As

Publication number	Publication date
EP2703551B1 (de)	2015-01-28
PL2703551T3 (pl)	2015-04-30

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