EP2024554B1 - Circuit et procédé pour faire fonctionner un module peltier d'une pompe à chaleur dans un appareil électroménager - Google Patents

Circuit et procédé pour faire fonctionner un module peltier d'une pompe à chaleur dans un appareil électroménager Download PDF

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Publication number
EP2024554B1
EP2024554B1 EP07728220.0A EP07728220A EP2024554B1 EP 2024554 B1 EP2024554 B1 EP 2024554B1 EP 07728220 A EP07728220 A EP 07728220A EP 2024554 B1 EP2024554 B1 EP 2024554B1
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EP
European Patent Office
Prior art keywords
peltier module
peltier
energy
operating
circuit arrangement
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.)
Not-in-force
Application number
EP07728220.0A
Other languages
German (de)
English (en)
Other versions
EP2024554A1 (fr
Inventor
Hasan Gökcer ALBAYRAK
Sven-Stefan Krüger
Guido Sattler
Klaus Grunert
Lothar Knopp
Günter Steffens
Andreas Stolze
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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.)
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL07728220T priority Critical patent/PL2024554T3/pl
Publication of EP2024554A1 publication Critical patent/EP2024554A1/fr
Application granted granted Critical
Publication of EP2024554B1 publication Critical patent/EP2024554B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
    • F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
    • F25B2321/021—Control thereof
    • F25B2321/0212—Control thereof of electric power, current or voltage

Definitions

  • the invention relates to a method and a circuit arrangement for operating a Peltier module of a heat pump of a domestic appliance, in particular a tumble dryer, such as in FR 1262 399 is described.
  • Peltier-Element in construction and function is described.
  • the half elements of this Peltier element are formed in columns or cuboid and consist of doped semiconductors as materials.
  • the semiconductors are in particular bismuth telluride and a p-type doped semiconductor and an n-type doped semiconductor are used.
  • a half element of the p-type doped semiconductor and a half element of the n-type doped semiconductor are each connected to one side via a printed circuit board, also referred to as metal bridge, and at another side, which is opposite said one side, connected in each case via a further printed circuit board with a further half-element or a connection contact for the connection of the Peltier element to an electrical network.
  • From the DE 1 410 206 A is a washing machine known in which laundry not only washed but also can be dried.
  • the document shows several alternatives.
  • an electric heating device for heating an air stream used for drying laundry and a simple heat exchanger for cooling the heated air stream after the loading of the laundry be provided, wherein the heater and the cooler but can also belong to a heat pump device.
  • the heat pump device can also be designed such that it works with Peltier elements for use of the thermoelectric effect.
  • a circuit arrangement according to the invention is designed for operating a Peltier module of a heat pump of a domestic appliance, which is designed in particular for the care of laundry items.
  • the Peltier module comprises a plurality of Peltier elements.
  • the circuit arrangement comprises a switching regulator and an intermediate circuit which has an energy store and is connected to the switching regulator, wherein, depending on the operating state of the Peltier module, an energy generated by the Peltier module can be stored in the energy store for demand-dependent further use in the household appliance.
  • the Peltier module has a first operating state, in which it is coupled to the power supply with a mains voltage, and a second operating state, in which it is decoupled from the mains voltage.
  • the energy can preferably be stored in the energy store.
  • the energy stored in the energy store is at least partially traceable to the Peltier module and / or can be delivered to at least one further consumer of the household appliance for supplying energy and / or can be traced back to the energy supply network.
  • the energy stored in the energy store is at least partially traceable to the Peltier module and / or can be delivered to at least one further consumer of the household appliance for supplying energy and / or can be traced back to the energy supply network.
  • the circuit arrangement preferably comprises a synchronization unit which is designed to synchronize the load-side output voltage with the frequency of the mains voltage. As a result, an active power factor correction can be achieved.
  • the circuit arrangement preferably comprises means with which in a first operating phase of the Peltier module at least a first operating parameter of the Peltier module and in a second operating phase at least a second operating parameter of the Peltier module can be detected, depending on the detected operating parameters, the further operation of the Peltier module is controllable. Values of operating parameters of the Peltier module can thus be easily detected and used for an optimized control process of the drying process.
  • the electrical power consumption of the Peltier module is detected after coupling to the power supply.
  • temperatures of the hot and cold sides of the Peltier module are detected in a second operating phase, in which the Peltier module is disconnected from the power supply, and determined from the temperatures and the power consumption moisture content of the laundry items.
  • the Peltier module comprises a plurality of Peltier elements, depending on the operating state of the Peltier module one of Peltier Module generated energy in an energy storage of an intermediate circuit of a circuit arrangement for Operating the Peltier module stored and provided for demand-dependent further use in the household appliance. This allows a more effective and efficient operation of the domestic appliance.
  • the Peltier module is temporarily decoupled from a power supply and then stored the energy generated by the Peltier module in the energy storage.
  • the stored energy in the energy storage is preferably at least partially returned to the Peltier module in further operation of the Peltier module depending on demand and / or delivered to at least one other consumer of the household appliance for power and / or returned to the power grid.
  • Fig. 1 schematically illustrates a Peltier module 1, which is for use in a Peltier heat pump for a tumble dryer.
  • the Peltier module 1 comprises Peltier elements 2 connected electrically in series. In the present example, twelve Peltier elements 2 are shown, but the Peltier module 1 is not fixed to this number. The number of Peltier elements 2 and their operating values are jointly designed so that the series arrangement of the Peltier elements 2 can be operated with a voltage which results when the mains voltage is rectified.
  • a Peltier module 1 with more than one series arrangement shown here is also possible, wherein the individual row arrangements are usually arranged parallel to one another. It is understood that also a Peltier module 1 is for operation with a voltage other than the rectified mains voltage, be it a voltage higher or lower than that rectified mains voltage can be used in optionally adapted according to the circuit arrangement.
  • the rectified mains voltage is first provided in accordance with standard practice with 120 V or 230 V AC voltage (120 VAC / 230 VAC), wherein the connections L and N are shown schematically here.
  • the AC voltage is rectified by a mains rectifier 3, which has a conventional construction.
  • a capacitor 5a is connected as a buffer in parallel to the DC-side terminals of the mains rectifier 3.
  • the capacitor 5a of the circuit part 5 is preceded by a current-limiting element 4a, for example an NTC resistor, in a circuit part 4.
  • the current-limiting element 4a is bridged after the charging process via a switch 4b, for example a relay.
  • a mains current measurement and a mains voltage measurement can take place, wherein the circuit part 5 is electrically connected to a switching regulator 6 and the measured values are transferable to the switching regulator 6 for evaluating and further processing.
  • the switching regulator 6 can be designed as a microprocessor.
  • the switching regulator 6 is also electrically connected to a communication interface 7, via which nominal values of various parameters can be transmitted.
  • the switching regulator 6 is designed to communicate with an external control and / or control unit via the interface 7.
  • the switching regulator 6 is connected to a further circuit part 8.
  • the circuit part 8 has a driver unit 8a and transistors T1, T2, T3 and T4 and diodes D1, D2, D3 and D4.
  • the drive electronics thus comprises a boost converter (transistors T1 and T4, diode D3 and energy storage 9) and a buck converter (transistor T1, diodes D2 and D3, energy storage 9) in the direction of the load side and a boost converter (transistors T2 and T3, diode D1 and energy storage 9) and a buck converter (transistor T3, diodes D1 and D4, energy storage 9) in the direction of the DC link.
  • the circuit arrangement comprises a circuit part 10, which is designed for measuring the electrical power consumption and in particular the current measurement and the voltage measurement of the Peltier module 1.
  • the circuit part 10 is electrically connected to a current and voltage transducer 11, which in turn is electrically connected to the switching regulator 6.
  • the circuit arrangement comprises two switches 12, which can be designed as relays. With the help of the switch 12, the rectified mains voltage can be disconnected from the Peltier module 1 and the Peltier module 1 can be switched to a réelleraumbe-illumination 14 of the clothes dryer.
  • the switch 12 can also switch to another consumer, for example a further sensor, another measuring device or controller, a display element or the like, alone or in combination with another consumer effect.
  • a measuring device is integrated into the main control comprising the switching regulator 6 of the tumble dryer.
  • the switches 12 are switched by the switching regulator 6.
  • a PTC resistor 13 is arranged as a temperature sensor 13. Depending on the measured values detected by this temperature sensor 13, an alternating current-side switch 15 can be actuated, as a result of which the entire Peltier module 1 can be switched off depending on the switch position.
  • an NTC resistor 16 is arranged on the Peltier module 1, which is likewise designed for temperature determination and transmits the detected measured values to the switching regulator 6.
  • a first phase of operation of the tumble dryer is first set, in which the Peltier module 1 of a heat pump of the tumble dryer is supplied with energy.
  • the Peltier module 1 is connected to the rectified mains voltage, to which the switches 12 are connected accordingly.
  • a second operating phase is subsequently set to predefinable phases of the drying process, for which purpose the Peltier module 1 is disconnected from the energy supply by the changeover switches 12 being switched accordingly.
  • the temperatures of a cold side and a warm side of the Peltier module 1 are determined.
  • the thermoelectric voltage generated by the separation of the power supply from the Peltier module 1 are measured and determined from this, the temperature difference between the cold side and the warm side of the Peltier module 1 in the switching regulator 6.
  • a local temperature of the Peltier module 1 is determined via the NTC resistor 16, which in the present case represents the temperature of the hot side of the Peltier module 1.
  • the local temperature of the cold side of the Peltier module 1 is then calculated.
  • the Peltier module 1 is again connected to the power supply by the switches 12 are switched accordingly, and thereby the first operating phase of the clothes dryer and the Peltier module 1 is set again.
  • the power consumption of the Peltier module 1 is then measured after connecting it to the power supply until setting a desired operating point of the Peltier module 1.
  • the remaining moisture in the laundry can then also be determined in the control unit 6, the remaining moisture in the laundry.
  • 6 reference humidities are stored as a function of the instantaneous phase of a drying process in this control unit.
  • the determined remaining moisture in the items of laundry is then compared with the reference humidity, wherein the reference humidity characterizes the remaining moisture in the laundry, which reached at the current time of the Phase of the drying process should be achieved. Depending on the comparison, the further drying process is controlled.
  • the transistors T1, T2 and T4 are not turned on. Furthermore, with the activation of the transistor T1, a buck converter function in the direction of the consumer side with the energy store 9 designed as a choke and the diode D3 is achieved. In this case, the transistors T2, T3 and T4 are not turned on.
  • the stored energy in the energy storage 9 can be at least partially returned to the Peltier module 1 in the further operation of the domestic appliance.
  • the energy of the energy storage device 9 can also be delivered to other consumers of the household appliance, for example to sensors, controllers, display modules and also to the interior lighting 14.
  • the return of the stored energy in the energy storage 9 into the network can be provided.
  • FIG Fig. 2 Another embodiment of a circuit arrangement is shown in FIG Fig. 2 shown. This circuit is also suitable for measuring and evaluating the parameters explained above and for carrying out a control of the Peltier module 1 depending on an optimized drying process.
  • the energy storage of the energy emitted by the Peltier module in the second operating phase can take place in an energy store, which is arranged as a capacitor 5a in the intermediate circuit.
  • the switching regulator or the unit 6 feeds or stores the energy in the network-side intermediate circuit capacitor 5a by means of the switching elements T2, D1 and the storage choke 19 and outputs the actual values as required via the communication interface 7.
  • this circuit has a circuit part 17 which comprises the transistors T1 and T2 and the flyback diodes D1 and D2 and a driver unit 17a.
  • the current and voltage transducer 11 is assigned to the circuit part 10 in this embodiment.
  • the circuit arrangement comprises two storage chokes 18 and 19.
  • a synchronization of the switching frequency of the switching regulator 6 or a pulse width modulation of the output signal of the switching regulator 6 to the mains frequency can take place.
  • the switching regulator 6 controls the circuit arrangement in the second operating phase, in which the Peltier module 1 is disconnected from the power supply, such that the energy generated in the Peltier module 1 due to the Seebeck effect in the Peltier module 1 in the DC link the circuit arrangement and in particular in the DC link capacitor 5a is stored. Depending on demand, this stored energy can then be given to other consumers and / or via the communication interface 7 elsewhere. In particular, a return of this stored energy into the Peltier module 1 can then take place during other operating phases. Also a return to the net is possible.
  • the Peltier module 1 is wired to the power supply with a DC voltage from a range between 40 V and about 23 V, so that the control electronics includes, inter alia, two circuit modules I and II.
  • the circuit module I is controlled so that with the chokes 21 and 22 is a Hochsetzerfunktion in the direction of the load side in over the switch S1, which is designed as a relay, short-circuited diode D5 is realized.
  • the circuit arrangement also includes a synchronization unit 20, which is designed to synchronize the load-side output voltage with the frequency of the mains voltage.
  • the stored in the energy storage 9 'energy can be fed back into the network using the controlled in network synchronization transistors of the circuit module I back. Again, however, one can at least proportionate return of this energy stored in the energy storage 9 'to the Peltier module 1 and / or to other consumers of the domestic appliance.
  • the values measured by the temperature sensor 13 are transmitted to a Relaisan tenuvortechnisch 23, via which the switch 15 is controllable.
  • the domestic appliance can also be designed as a dishwasher with a heat pump and with a circuit arrangement just described for operating the Peltier module of the heat pump.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (9)

  1. Circuit permettant de faire fonctionner un module Peltier (1) d'une pompe à chaleur d'un appareil électroménager, qui est configuré notamment pour l'entretien du linge, comportant une pluralité d'éléments Peltier (2), caractérisé par un régulateur de commutation (6) et un circuit intermédiaire, qui présente un accumulateur d'énergie (5a, 9, 9') et est relié au régulateur de commutation (6), dans lequel en fonction de l'état de fonctionnement du module Peltier (1) une énergie générée par le module Peltier (1) peut être emmagasinée dans l'accumulateur d'énergie (5a, 9, 9') en vue d'une autre utilisation en fonction des besoins dans l'appareil électroménager.
  2. Circuit selon la revendication 1, dans lequel le module Peltier (1) présente un premier état de fonctionnement dans lequel il est couplé à une tension de secteur en vue de l'alimentation en énergie et un deuxième état de fonctionnement dans lequel il est découplé de la tension de secteur.
  3. Circuit selon la revendication 2, dans lequel dans le deuxième état de fonctionnement l'énergie peut être emmagasinée dans l'accumulateur d'énergie (5a, 9, 9').
  4. Circuit selon l'une des revendications précédentes, dans lequel l'énergie emmagasinée dans l'accumulateur d'énergie (5a, 9, 9a) peut être restituée au moins partiellement au module Peltier (1) et/ou transférée à au moins un autre élément (14) de l'appareil électroménager en vue de l'alimentation en énergie et/ou restituée au réseau d'alimentation en énergie.
  5. Circuit selon l'une des revendications précédentes, qui présente une unité de synchronisation (20) qui est configurée pour la synchronisation de la tension de sortie côté charge avec la fréquence de la tension de secteur.
  6. Circuit selon l'une des revendications précédentes, qui comprend des moyens avec lesquels lors d'une première phase de fonctionnement du module Peltier (1) au moins un premier paramètre de fonctionnement du module Peltier (1) et dans une deuxième phase de fonctionnement au moins un deuxième paramètre de fonctionnement du module Peltier (1) peuvent être détectés, l'autre mode de fonctionnement du module Peltier (1) pouvant être commandé en fonction des paramètres de fonctionnement détectés.
  7. Procédé permettant de faire fonctionner un module Peltier (1) d'une pompe à chaleur d'un appareil électroménager, qui est configuré notamment pour l'entretien du linge, dans lequel le module Peltier (1) comprend une pluralité d'éléments Peltier (2), caractérisé en ce qu'en fonction de l'état de fonctionnement du module Peltier (1) une énergie générée par le module Peltier (1) est emmagasinée dans un accumulateur d'énergie (5a, 9, 9') d'un circuit intermédiaire d'un circuit en vue d'une autre utilisation en fonction des besoins dans l'appareil électroménager.
  8. Procédé selon la revendication 7, dans lequel le module Peltier (1) est découplé d'une alimentation en énergie et ensuite l'énergie générée par le module Peltier (1) est emmagasinée dans l'accumulateur d'énergie (5a, 9, 9').
  9. Procédé selon la revendication 7 ou 8, dans lequel l'énergie emmagasinée dans l'accumulateur d'énergie (5a, 9, 9') est restituée au moins partiellement au module Peltier (1) lors d'un autre fonctionnement du module Peltier (1) en fonction des besoins et/ou transférée à au moins un autre élément (14) de l'appareil électroménager en vue de l'alimentation en énergie et/ou restituée au réseau d'alimentation en énergie.
EP07728220.0A 2006-05-18 2007-04-18 Circuit et procédé pour faire fonctionner un module peltier d'une pompe à chaleur dans un appareil électroménager Not-in-force EP2024554B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07728220T PL2024554T3 (pl) 2006-05-18 2007-04-18 Układ połączeń i sposób eksploatowania modułu peltiera pompy ciepła urządzenia gospodarstwa domowego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006023452A DE102006023452A1 (de) 2006-05-18 2006-05-18 Schaltungsanordnung und Verfahren zum Betreiben eines Peltier-Moduls einer Wärmepumpe eines Hausgeräts
PCT/EP2007/053758 WO2007134925A1 (fr) 2006-05-18 2007-04-18 Circuit et procédé pour faire fonctionner un module peltier d'une pompe à chaleur dans un appareil électroménager

Publications (2)

Publication Number Publication Date
EP2024554A1 EP2024554A1 (fr) 2009-02-18
EP2024554B1 true EP2024554B1 (fr) 2013-11-20

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Application Number Title Priority Date Filing Date
EP07728220.0A Not-in-force EP2024554B1 (fr) 2006-05-18 2007-04-18 Circuit et procédé pour faire fonctionner un module peltier d'une pompe à chaleur dans un appareil électroménager

Country Status (4)

Country Link
EP (1) EP2024554B1 (fr)
DE (1) DE102006023452A1 (fr)
PL (1) PL2024554T3 (fr)
WO (1) WO2007134925A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008042832A1 (de) * 2008-10-14 2010-04-22 BSH Bosch und Siemens Hausgeräte GmbH Elektrogerät mit einem Bereitschaftsmodul
DE102009045292A1 (de) * 2009-10-02 2011-04-07 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit einer sich im Betrieb erwärmenden Komponente und einer mit elektrischer Energie zu versorgenden Einrichtung sowie Verfahren zum Versorgen einer Einrichtung eines Hausgeräts mit elektrischer Energie
WO2013098006A1 (fr) 2011-12-26 2013-07-04 Arcelik Anonim Sirketi Circuit de commande d'élément peltier pour appareils ménagers
WO2013098014A2 (fr) 2011-12-26 2013-07-04 Arcelik Anonim Sirketi Circuit de commande à élément peltier pour appareils ménagers
DE102012217975A1 (de) * 2012-10-02 2014-04-03 BSH Bosch und Siemens Hausgeräte GmbH Haushaltsgerät mit einer batterielosen Sensoreinheit und entsprechendes Verfahren

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US3036383A (en) * 1958-08-26 1962-05-29 Philco Corp Drying apparatus
DE1410206A1 (de) * 1959-09-21 1968-10-10 Siemens Elektrogeraete Gmbh Waschmaschine
FR1262399A (fr) * 1960-07-13 1961-05-26 Thomson Houston Comp Francaise Perfectionnements aux machines à sécher le linge
US3255593A (en) * 1964-05-06 1966-06-14 Borg Warner Thermoelectric system
DE4101644A1 (de) * 1991-01-22 1992-07-23 Wolfgang Dipl Phys Grothe Waermepumpenanlage
DE4242841C2 (de) * 1992-12-17 1995-05-11 Litef Gmbh Verfahren und Regeleinrichtung zur Temperaturregelung für ein peltierbetriebenes Temperiergerät
JPH0857194A (ja) * 1994-08-26 1996-03-05 Matsushita Electric Ind Co Ltd 除湿型電気衣類乾燥機
DE20101641U1 (de) * 2001-01-29 2002-06-06 AKG-Thermotechnik GmbH & Co. KG, 34369 Hofgeismar Kondensations-Wäschetrockner und dafür geeigneter Kondensations-Wärmeaustauscher
DE10141083B4 (de) * 2001-08-22 2006-02-16 Siemens Ag Verfahren und Anordnung zur Temperaturregelung eines Peltier-Elements
DE10154923A1 (de) * 2001-11-08 2003-06-05 Klaus Palme Verfahren zur Gewinnung elektrischer Energie aus den Temperaturschwankungen der Luft

Also Published As

Publication number Publication date
PL2024554T3 (pl) 2014-04-30
DE102006023452A1 (de) 2007-11-22
EP2024554A1 (fr) 2009-02-18
WO2007134925A1 (fr) 2007-11-29

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