Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
  • F24C15/00—Details
  • F24C15/34—Elements and arrangements for heat storage or insulation
• • A—HUMAN NECESSITIES
  • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
  • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
  • A47J39/00—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils
  • A47J39/006—Heat-insulated warming chambers; Cupboards with heating arrangements for warming kitchen utensils for either storing and preparing or for preparing food on serving trays, e.g. heating, thawing, preserving
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
  • F24C15/00—Details
  • F24C15/10—Tops, e.g. hot plates; Rings

Definitions

• the invention is based on a domestic appliance device according to the preamble of claim 1.
• the domestic appliance device has at least one coupling unit, which thermally couples the heat storage unit with at least one electronic component in at least one operating state.
• a "heat storage unit” is to be understood in particular as meaning a unit which is provided for a repeated absorption and release of heat energy and which is intended to store heat, the unit differing from a heat pipe all operations in which the heat storage unit continuously absorbs heat or stores its stored te heat quantity remains constant, at most once the phase transition.
• the material remains at a heat absorption of the heat storage unit at the same location and in particular immobile to a housing of the home appliance device.
• phase transition is to be understood as meaning, in particular, a conversion of one or more phases, such as a solid phase, into at least one other phase, such as a liquid phase, by a “device operating temperature” at least a portion of a device during at least one operating operation.
• a “coupling unit which thermally couples the heat storage unit to an electronic component” is to be understood in particular as meaning a unit which is provided for transferring a considerable part of an amount of heat which is emitted by the electronic component during at least one operating operation to the heat storage unit By “a considerable part” of an amount of heat, in particular at least 5%, preferably at least 20%, preferably at least 40% and particularly preferably at least 70% of the amount of heat should be understood.
• an efficient construction can be achieved with an embodiment according to the invention
• an effective cooling of the electronic component in particular in the case in which the electronic component
• a quiet cooling can be achieved, in particular, furniture in which the domestic appliance device is installed in a fully assembled state is, free of recesses and openings, which are provided for a passage of cooling air streams are formed.
• the domestic appliance device has the electronic component and the electronic component rests against the material in at least one operating state and / or is embedded in the material.
• the electronic component is "embedded in the material” should be understood in particular that at least more than 50%, preferably at least more than 70% and more preferably at least more than 90% of an entire surface of the electronic component is applied to the material.
• the domestic appliance device has at least one heat-conducting element, which is intended to conduct heat generated by the electronic component, and which has a higher thermal conductivity than the material.
• the domestic appliance device has at least one liquid container which forms at least one part of the coupling unit, whereby a structurally simple construction can be achieved.
• the coupling unit has at least one electrical insulator. This allows a cost-effective and stable construction can be achieved.
• a phase transition temperature of the phase transition is within an operating temperature range of an insulated gate bipolar transistor.
• a “phase transition temperature” is to be understood in particular as meaning a temperature at which the phase transition takes place when the material is heated.
• "Operating temperature range" of an insulated gate bipolar transistor is understood to mean, in particular, the temperature range lying between 25 ° C and 135 ° C , In this way, an effective heat storage can be achieved.
• the material is an electrical insulator.
• an efficient heat storage can be achieved.
• it can be achieved that an amount of heat generated by the electronic component is effectively transferred to the material.
• the electronic component is applied directly to the material.
• the material comprises paraffin wax.
• the domestic appliance device has at least one induction heating unit, which has the electronic component.
• An "induction heating unit” is to be understood as meaning, in particular, a heating unit which is provided for generating magnetic fields and which is provided for generating eddy currents in cookware for heating the cookware, thereby allowing user-friendly heating to be achieved.
• the domestic appliance device has at least one fastening unit which fixes the heat storage unit in at least one operating state to a hotplate unit fitting.
• the domestic appliance device has at least one energy conversion unit, which is provided to convert heat energy of the heat storage unit into an energy present in at least one other energy form. As a result, a low energy consumption can be achieved.
• the domestic appliance device has at least one heat-conducting unit, which transports heat from the heat storage unit to at least one domestic appliance in at least one operating operation, which is free of the heat storage unit.
• a heat conduction unit which transports heat from the heat storage unit to at least one household appliance, which is free of the Heat storage unit is ", should be understood in particular a unit which is intended to transport at least a significant portion of a heat storage unit absorbed amount of heat to at least one domestic appliance, which is free of the heat storage unit.
• a domestic appliance is proposed with a domestic appliance device, whereby an efficient construction can be achieved.
• a domestic appliance manufacturing method in particular for producing a domestic appliance device, is proposed in which a liquid is introduced into a liquid container. As a result, an efficient construction can be achieved.
• FIG. 2 is a view of a part of the domestic appliance device with a liquid container
• FIG. 3 shows a view of a baking oven and the domestic appliance device designed as a hob device
• Fig. 4 is a section through an alternative embodiment of a hob device
• FIG. 5 shows a view of an alternative embodiment of a cooktop device, wherein a bottom of a liquid container and a heat storage unit of the cooktop device are not shown.
• FIG. 1 shows a plan view of a domestic appliance designed as an induction hob with a domestic appliance device according to the invention, which is designed as a hob appliance. is forming.
• the cooktop apparatus has a heat storage unit 10, which is formed from a material 12 (FIGS. 1 and 2) which is paraffin wax and, in particular, in cooking processes in which food to be cooked, which has a high heat capacity, over a relatively long period of time, in particular half an hour or one hour, when cooked, undergoes a phase transition, namely melting, through.
• the material 12 is a material that evaporates during cooking.
• Such a material 12 is especially water. In such cooking operations, the hob device is heated to a specific device operating temperature.
• the material 12 absorbs energy without raising its temperature.
• the material 12 is further an electrical insulator and has a high heat capacity.
• the hob device has an electronic component 16.
• the electronic component 16 may be part of a rectifier or an inverter of the cooktop apparatus.
• the electronic component 16 is a switching element and constituted by a power transistor which is an insulated gate bipolar transistor 16 '.
• the electronic component 16 may also be formed by one or more diodes and / or by a plurality of insulated gate bipolar transistors.
• a temperature at which the material 12 passes through the phase transition lies in a working temperature range of the bipolar transistor 16 '.
• the material 12 is an electrical insulator.
• the hob device has a coupling unit 14, which thermally couples the heat storage unit 10 with the electronic component 16.
• the coupling unit 14 has a parallelepipedic liquid container 20 which has a parallelepipedic cavity in which the heat storage unit 10 is arranged.
• the heat storage unit 10 has a shape of a cuboid having a length of 350 mm, a width of 170 mm and a height of 22 mm.
• the electronic component 16 is attached to the liquid container 20 formed of a metal.
• the coupling unit 14 on an electrical insulator 22 which is formed by a film and which is fastened together with the electronic component 16 by a screw 42 of the hob device to the liquid container 20.
• the insulator 22 is disposed between the electronic component 16 and the liquid container 20. Furthermore, the electronic component 16 abuts against the insulator 22 and the insulator 22 against the liquid container 20. In addition, the material 12 abuts against the liquid container 20. As a result, the electronic component 16 and the heat storage unit 10 are physically separated by the insulator 22 and the liquid container. 20, whereby an effective heat conduction from the electronic component 16 to the heat storage unit 10 is possible. Together with the electronic component 16, four further electronic components are attached to the liquid container 20. In principle, more than four electronic components can be attached to the liquid container 20.
• the heat-conducting unit 36 can also be formed by a heat pipe and / or by water, which in particular can circulate. The electrical energy can be used in particular during a standby operating mode of the cooktop.
• the domestic appliance 38 can also be designed as a fryer or dishwasher.
• the material 12 is added in the liquid state in the liquid container 20 and the liquid container 20 is subsequently closed.
• the heat storage unit 10 as a cooling unit together with another cooling unit, such. B. a fan unit, especially in extreme heat to cool the hob device can be used.
• FIGS. 4 and 5 show alternative embodiments. Substantially identical components, features and functions are basically numbered by the same reference numerals. To distinguish the embodiments, however, the reference numerals of the embodiment in Figures 4 and 5, the letter “a” or "b” added. The following description is essentially limited to the differences from the exemplary embodiment in FIGS. 1 to 3, wherein reference can be made to the description of the exemplary embodiment in FIGS. 1 to 3 with regard to components, features and functions remaining the same.
• FIG. 4 shows a section through an alternative embodiment of a hob device.
• the hob apparatus includes a fixing unit 30a, a heat storage unit 10a, a liquid container 20a, and a hot plate unit 32a.
• the fixing unit 30a is formed by the hot plate unit 32a and the trough-shaped liquid container 20a, between which the heat storage unit 10a is enclosed. Further, the heat storage unit 10a abuts against the hot plate unit 32a formed as a glass-ceramic plate. A region of the glass ceramic plate above the heat storage unit 10a serves as a warming plate for food to be cooked.
• FIG. 5 is a bottom view of an alternative embodiment of a cooktop apparatus wherein a bottom of a liquid container 20b of the cooktop apparatus and a heat storage unit of the cooktop apparatus are not shown.
• the heat storage unit is disposed in the liquid container 20b.
• the cooktop apparatus has a plurality of electronic components 16b embedded in the heat storage unit formed by paraffin wax.
• the hob device comprises metal-formed heat-conducting elements 18b, which abut against one of the electronic components 16b and which are connected to the heat storage device. abutment unit.
• the heat-conducting elements 18b have a higher thermal conductivity than a material 12b, from which the heat storage unit is formed.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Food Science & Technology (AREA)
• Cookers (AREA)
• Electric Stoves And Ranges (AREA)
• Frying-Pans Or Fryers (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=44201269

Family Applications (1)

Country Status (3)

Cited By (6)

Citations (2)

Family Cites Families (9)

• 2010
  • 2010-01-18 ES ES201030050A patent/ES2388306B1/es not_active Expired - Fee Related
• 2011
  • 2011-01-12 EP EP11704312A patent/EP2526343A2/de not_active Withdrawn
  • 2011-01-12 WO PCT/IB2011/050131 patent/WO2011086506A2/de active Application Filing

Patent Citations (2)

Non-Patent Citations (1)

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