EP3852598A1 - Lave-vaisselle comprenant une pompe à chaleur - Google Patents

Lave-vaisselle comprenant une pompe à chaleur

Info

Publication number
EP3852598A1
EP3852598A1 EP19748825.7A EP19748825A EP3852598A1 EP 3852598 A1 EP3852598 A1 EP 3852598A1 EP 19748825 A EP19748825 A EP 19748825A EP 3852598 A1 EP3852598 A1 EP 3852598A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
air duct
refrigerant fluid
condenser
heat
Prior art date
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.)
Withdrawn
Application number
EP19748825.7A
Other languages
German (de)
English (en)
Inventor
Husnu Kerpicci
Serkan SOLMAZ
Baris Erdogan
Erdem POSTOGLU
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.)
Arcelik AS
Original Assignee
Arcelik AS
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.)
Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP3852598A1 publication Critical patent/EP3852598A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/483—Drying arrangements by using condensers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/488—Connections of the tub with the ambient air, e.g. air intake or venting arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Definitions

  • the present invention relates to a dishwasher comprising a heat pump.
  • heat pumps are used for decreasing the energy consumption and improve the drying performance.
  • the heat pump is composed of the compressor, the condenser, the throttle valve and the evaporator elements.
  • the components of the heat pump are connected via a pipe line and the heat pump operates by means of the cycle fluid in the line.
  • the condenser is a tube bundle having a hot surface and enables the water to be heated by being positioned in the washing liquid of the dishwasher.
  • the evaporator has a cold surface and is positioned so as to contact the ambient air. The evaporator absorbs heat from the environment and provides heat transfer to the fluid and from the fluid to the compressor and the condenser.
  • the compressor for heating the water, the compressor is operated to enable the condenser to heat the water, and the evaporator is enabled to absorb heat from the environment to support the condenser that heats the water.
  • the fans blow the air on the evaporator, the latter draws heat from the environment and condenses the water vapor.
  • the generated cool air is discharged from the system by means of an air duct.
  • Patent Document No. WO2015090409 discloses a dishwasher comprising a heat pump wherein a heat exchanger is used for heating the washing water and the cool air while another heat exchanger is used for condensing the water vapor in the air.
  • the aim of the present invention is the realization of a dishwasher with a optimized thermodynamic cycle for discharging the waste heat generated in the heat pump system from the system, wherein water is stored during and after the water heating process and the placement of the heat pump and the air duct is optimized.
  • the dishwasher realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof comprises a body; a washing tub that is disposed in the body and wherein the dishes to be washed are placed; a drying duct that is arranged between the washing tub and the body and that enables the air used in the drying step to be dehumidified, and a heat pump that is disposed between the washing tub and the body.
  • the heat pump comprises a first heat exchanger which absorbs heat from the environment so as to enable the water used in the washing step to be heated, a second heat exchanger which transfers the heat received from the first heat exchanger to the washing tub, and a compressor which performs the refrigerant cycle between the first heat exchanger and the second heat exchanger.
  • the air duct or ducts through which the cool air leaving the evaporator is discharged, is/are used as an integrated structure designed as a condenser.
  • the temperature of the refrigerant fluid is decreased, and the system gains a more efficient thermodynamic cycle.
  • the integrated air duct condenser structure area is optimized.
  • the heater condenser which heats the washing water is deactivated, and thus the air duct designed as condenser is used for enabling the heat pump to continue operating and for generating and storing sufficient water vapor to supply some or all of the washing water in the evaporator.
  • the condenser integrated with the air duct is enabled to be operated at two separate places, namely before the evaporator or after the fan, together or separately.
  • the integrated heat exchanger air duct can be used in any geometric shape such as triangle, trapezoid, rectangle, circle, square, etc.
  • the outer casing enclosing the condenser air duct before the evaporator and the condenser air duct after the fan arranged in the air duct comprises air duct wings, pipes for transferring the refrigerant fluid and a serpentine condenser structure, and provides an efficient discharge of the waste heat.
  • the serpentine condenser structure which is positioned in the condenser air duct before the evaporator and the condenser air duct after the fan arranged in the air duct, can be used in any structure such as tubular heat exchanger, plate heat exchanger, extended surface heat exchanger or regenerative heat exchanger, thus allowing the use of different types of integrated condenser air duct systems with different outputs.
  • a structure suitable for refrigerant fluid inlet and outlet is provided in the serpentine structure in the condenser air duct before the evaporator.
  • a structure suitable for refrigerant fluid inlet and outlet is provided in the serpentine structure in the condenser air duct after the fan.
  • the fan which is placed after the condenser air duct before the evaporator, can be radial or axial.
  • the sensors in the washing tub receptacle measure the temperature of the water and control the thermal cycle by means of an algorithm.
  • the air duct condenser can be deactivated or the number of paces can be decreased by controlling the same with valves.
  • the dishwasher comprises a body ; a washing tub which is disposed in the body and wherein the washing process is performed; a drying duct which is arranged between the washing tub and the body and which enables the dry air to be sent into the washing tub ; a modular heat pump system which comprises the heat pump system disposed next to the washing tub ; and a heat pump which is disposed in the modular heat pump system and which has a first heat exchanger enabling the water to be used in the washing step, a second heat exchanger drawing heat from the air and transferring the same to the refrigerant fluid, a capillary decreasing the pressure during the transfer of the refrigerant fluid from the first heat exchanger to the second heat exchanger and a compressor fluidly connected to the first heat exchanger and the second heat exchanger so as to realize the refrigerant cycle.
  • the refrigerant fluid used in the cycle is pressurized in the compressor to be sent to the first heat exchanger via a three way valve .
  • the refrigerant fluid is sent to the condenser air duct before the evaporator which is disposed in the integrated heat exchanger air duct structure.
  • the temperature of the refrigerant fluid is decreased and then delivered to the condenser air duct after the fan such that the waste heat is absorbed again.
  • the second heat exchanger and the third heat exchanger are used to condense the water vapor in the lower water table to be stored as the washing water.
  • the first heat exchanger which heats the washing water, is deactivated.
  • the cycle refrigerant bypasses the first heat exchanger after the compressor to be sent to the condenser air duct before the evaporator in the integrated heat exchanger air duct by means of the three way valve .
  • the refrigerant fluid is delivered from the condenser air duct before the evaporator to the condenser air duct after the fan , and the waste heat thereon is discharged from the system with the same method.
  • the refrigerant fluid is passed through the second heat exchanger and the third heat exchanger by means of the capillary to be delivered to the compressor , thus completing the cycle.
  • the second heat exchanger and the third heat exchanger are used to condense water in the lower water table to be stored.
  • the condenser air duct before the evaporator and the condenser air duct after the fan can be used together or separately during the refrigerant fluid cycle in the integrated heat exchanger air duct.
  • the integrated heat exchanger air duct can be used in any shape such as triangle, trapezoid, rectangle, circle, square, etc.
  • an outer casing of air duct condenser which encloses the condenser air duct before the evaporator and the condenser air duct after the fan , comprises a wing of the air duct condenser , pipes of the air duct condenser and a serpentine condenser structure .
  • This structure has an optimized area, thus providing unity with the washing tub and the body . Thus, the surface area in contact with air is increased, and the need for an additional space for the condenser in the system is eliminated.
  • the serpentine condenser structure which is positioned in the condenser air duct before the evaporator and the condenser air duct after the fan , can be used in any structure such as tubular heat exchanger, plate heat exchanger, extended surface heat exchanger or regenerative heat exchanger.
  • an upper inlet or outlet for refrigerant fluid for the intake and exit of the refrigerant fluid is provided in the serpentine condenser structure in the condenser air duct before the evaporator .
  • the refrigerant fluid can complete the cycle thereof in the duct through the lower inlet or outlet for refrigerant fluid through which the refrigerant fluid can enter or exit after the completion of the cycle.
  • an upper inlet or outlet for refrigerant fluid for the intake and exit of the refrigerant fluid is provided in the serpentine condenser structure in the condenser air duct after the fan .
  • the refrigerant fluid can complete the cycle thereof in the duct through the lower inlet or outlet for refrigerant fluid through which the refrigerant fluid can enter or exit after the completion of the cycle.
  • the fan which is placed after the condenser air duct before the evaporator , can be radial or axial.
  • air flow can be provided throughout the integrated heat exchanger air duct.
  • the thermal cycle is controlled and the refrigerant fluid cycle can be changed by means of the three way valve during and after the washing water heating process.
  • the integrated heat exchanger air duct in order to accelerate the heat transfer from the first heat exchanger to the water, can be deactivated or the number of paces can be decreased by controlling the same with valves.
  • the integrated heat exchanger air duct functions both as an air duct and a condenser during the washing water heating process such that the waste heat in the system is discharged, thus optimizing the thermodynamic cycle of the refrigerant fluid.
  • the integrated heat exchanger air duct continues operating, and the condenser air duct before the evaporator and the condenser air duct after the fan function as a condenser, thus enabling the second heat exchanger and the third heat exchanger to continue collecting and storing water from the water vapor in the air. Consequently, the ambient heat is controlled by transferring heat to the environment, and moreover, the space is optimized by designing the system as an air duct.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

La présente invention concerne un lave-vaisselle comprenant un corps ; une cuve de lavage qui est disposée dans le corps et dans laquelle le processus de lavage est réalisé ; un conduit de séchage qui est agencé entre la cuve de lavage et le corps et qui permet à l'air sec d'être envoyé dans la cuve de lavage ; un système de pompe à chaleur modulaire qui comprend le système de pompe à chaleur disposé à côté de la cuve de lavage ; et une pompe à chaleur qui est disposée dans le système de pompe à chaleur modulaire et qui présente un premier échangeur de chaleur permettant à l'eau d'être utilisée dans l'étape de lavage, un second échangeur de chaleur tirant de la chaleur à partir de l'air et transférant celle-ci au fluide frigorigène, un capillaire réduisant la pression pendant le transfert du fluide frigorigène du premier échangeur de chaleur au second échangeur de chaleur et un compresseur fluidiquement raccordé au premier échangeur de chaleur et au second échangeur de chaleur de manière à réaliser le cycle de fluide frigorigène.
EP19748825.7A 2018-09-17 2019-08-01 Lave-vaisselle comprenant une pompe à chaleur Withdrawn EP3852598A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201813315 2018-09-17
PCT/EP2019/070777 WO2020057843A1 (fr) 2018-09-17 2019-08-01 Lave-vaisselle comprenant une pompe à chaleur

Publications (1)

Publication Number Publication Date
EP3852598A1 true EP3852598A1 (fr) 2021-07-28

Family

ID=67514658

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19748825.7A Withdrawn EP3852598A1 (fr) 2018-09-17 2019-08-01 Lave-vaisselle comprenant une pompe à chaleur

Country Status (2)

Country Link
EP (1) EP3852598A1 (fr)
WO (1) WO2020057843A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012105906A1 (de) * 2012-07-03 2014-01-09 Miele & Cie. Kg Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine
DE102013101862B4 (de) * 2013-02-26 2024-07-25 Miele & Cie. Kg Geschirrspülautomat
WO2015090409A1 (fr) 2013-12-19 2015-06-25 Electrolux Appliances Aktiebolag Lave-vaisselle comprenant un système de pompe à chaleur
EP3257422B1 (fr) * 2016-06-17 2022-04-13 Electrolux Professional S.p.A. Lave-vaisselle

Also Published As

Publication number Publication date
WO2020057843A1 (fr) 2020-03-26

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