EP2564666A1 - Hob device - Google Patents
Hob deviceInfo
- Publication number
- EP2564666A1 EP2564666A1 EP11720183A EP11720183A EP2564666A1 EP 2564666 A1 EP2564666 A1 EP 2564666A1 EP 11720183 A EP11720183 A EP 11720183A EP 11720183 A EP11720183 A EP 11720183A EP 2564666 A1 EP2564666 A1 EP 2564666A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- time interval
- switching
- switching unit
- power supply
- during
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000000737 periodic effect Effects 0.000 claims description 4
- 230000036962 time dependent Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 35
- 239000003990 capacitor Substances 0.000 description 17
- 238000010411 cooking Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 238000012549 training Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/04—Sources of current
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
Definitions
- the invention is based on a hob device according to the preamble of claim 1.
- a cooktop with an inverter known, by means of which a power supply line can be interrupted and produced, flows through the generated during operation of a current generated by a power line voltage and leads to a switching element.
- the cooktop has a control device, which controls the inverter in the operating process such that the inverter interrupts the power supply line during a total time interval. Further, in the operation, the control device causes the power supply line to be established immediately before and immediately after the time interval. Furthermore, the control device causes switching of the switching element, which starts and ends during the time interval and which brings the switching element in a specific switching position. The switching element remains in the switching position during a cooking process, wherein current flows through the switching element during the cooking process and the current is used for inductive heating of a cookware.
- a cooktop with an inverter and with two heating elements is known, which are alternately supplied with power in a single operation of a single inverter.
- a switching position of an SPDT relay determines which of the two heating elements will be supplied with power.
- a rectified AC voltage is applied to the inverter. During a switching of the relay, the rectified AC voltage has a minimum.
- the object of the invention is in particular to provide a generic device with improved properties in terms of high efficiency.
- the task is inventively achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
- the invention is based on a cooktop device, in particular an induction cooktop device, with at least one switching unit, by means of which at least one power supply line can be interrupted and produced, through which a current generated by means of a mains voltage flows during at least one operating procedure and which leads to a first switching element, and at least one control device, which controls the switching unit in the operating operation in such a way that the switching unit interrupts the power supply line during at least a first entire time interval, and which causes in the operation that immediately before and immediately after the first time interval, the power supply is established, and which causes a switching of the first switching element, which begins and ends during the first time interval.
- a “switching unit” is to be understood as meaning in particular a structural unit which is intended to produce and interrupt an electrically conductive connection, the structural unit preferably having a transistor for this purpose. or specially programmed.
- a “power supply voltage” should be understood to mean, in particular, a periodic voltage with which current generated in a power plant, in particular a nuclear power plant or a coal power plant, after having been supplied from power supply lines by means of power lines Power plant is passed to a consumer household, is delivered to the consumer household, wherein an effective value of the voltage is preferably 230 V and wherein preferably a frequency of the periodic voltage is 50 Hz or 60 Hz.
- a "current generated by means of a mains voltage” is to be understood as meaning, in particular, a current caused by the action of the mains voltage, the current preferably being a rectified single-phase alternating current and particularly preferably having a frequency of 100 Hz or 120 Hz
- the switching unit causes the power supply line to be impermeable to electrical current throughout the time interval.
- a “switching" of the switching element is intended in particular to be understood as meaning a release of an electrically conductive connection which has the switching element in at least one operating state, and / or a manufacture of the electrically conductive connection Switching “during the time interval begins and ends” is to be understood in particular for the case that the switching consists of a release of the electrically conductive connection, that the conductive connection of the switching element during the time interval initially and a state of the switching element during the In the event that the switching "starts and ends during the time interval", in the event that the switching consists of establishing the electrically conductive connection in particular be understood that the conductive connection of the switching element is initially completely interrupted during the time interval and a state of the switching element during the time interval changed such that the conductive connection at least one time of the time interval vollstä In particular, in the case where two contacts of the switching element collide when the conductive connection is made, the collision is completely completed before one end of the time interval.
- FIGS first conductive connection of the switching element during the time interval initially exists and a state of the switching element during the time interval changed such that the first conductive connection is completely interrupted at least one time of the time interval and that the second conductive connection of the switching element during the time interval initially completely interrupted is and a state of the switching element during the time interval changed such that the second conductive connection at least one time of the time interval is complete, in particular in the case in which be When the second conductive connection is made, two contacts of the switching element collide, the collision being completely completed before one end of the time interval.
- a high efficiency can be achieved.
- a cost-effective design can be achieved together with a high heating efficiency.
- a cost-effective design of the switching element and a high life of the switching element combined with a single operation running power supply of two different heating elements, which each contribute to different cooking processes can be achieved by a single inverter the.
- the switching element is switched gently in the operation by no current flows through the compounds at a breaking of a first electrically conductive connection and in establishing a second electrically conductive connection through the switching element.
- the cooktop device has at least one voltage supply unit which, during the operating process, applies a time-dependent voltage, which has a minimum position substantially in the middle of the first time interval, to the switching unit.
- a “middle” of the first time interval is to be understood in particular as meaning a time which has the same time interval from one end and one beginning of the time interval.
- "A" minimum point “of the voltage is to be understood as meaning, in particular, a point in time at which the voltage is a minimum having.
- a “minimum” of the time-dependent voltage is understood in particular to be a voltage value of the voltage at a specific time, which lies within a time interval in which the voltage only assumes values which are greater than or equal to the voltage value, the time being from It should be understood, in particular, that the minimum point is at most 25 percent, preferably at most 10 percent, and most preferably at most 2, as the voltage "substantially" has a minimum point in the middle of the first time interval Percent of a total duration of the time interval is spaced from the center. In this way, a comfortable usability of the cooktop device can be achieved. In particular, a uniform load on the power grid can be achieved during operation of the hob device.
- the first time interval is at least two milliseconds.
- a gentle switching during the first time interval can be reliably achieved.
- the first time interval is at least four milliseconds in size.
- Variations of a reaction time of the switching element are compensated by a control to a start of a switching operation of a target reaction time.
- control device causes the switching unit in the operating process to interrupt the power supply periodically for at least a total period of time, which is substantially the same as the first time interval.
- a time span which is "substantially" the same as the first time interval should be understood to mean, in particular, a time period whose length deviates from a length of the first time interval by at most forty percent, preferably by at most ten percent and particularly preferably by at most two percent.
- a single inverter in an operation in which two different heating elements are operated to perform two different cooking operations passes power to both heating elements.
- the cooktop device has the first and at least one second switching element, which is connected in series with the first switching element, and the control device switches the second switching element in a second time interval and the control device interrupts the power supply line by means of the switching unit during the entire second time interval and the control device, by means of the switching unit, causes current to flow through the power supply line immediately before and immediately after the second time interval.
- the control device switches the second switching element "in a second time interval"
- the control device causes a switching of the second switching element, which starts and ends during the second time interval be achieved.
- control device switch the switching unit in a first time period, which immediately precedes the first time interval, with a first set of switching parameters, and the control device switches the switching unit in a second time interval, which immediately follows the first time interval, with a second set of switching parameters, which is different from the first set of switching parameters.
- the control device switches the switching unit in a second time period with a second set of switching parameters, which is from the first set of switching parameters with which the control device switches the switching unit in the first period
- a switching frequency of the switching unit is different in the two time periods or, if the switching frequencies are the same, that the switching unit in A period duration in the first time period switches at a certain fraction of the period duration and the switching unit is inactive in a period duration in the second time period at the time of the fraction of the period duration successively emitted power is substantially equal, which in particular the power grid is evenly loaded.
- the switching unit has at least two inverters, which are provided to influence a current flow through the first switching element. This allows a high degree of flexibility can be achieved.
- the first switching element is a relay which has at least one coil. This allows a cost-effective design can be achieved.
- the switching unit has at least one insulated gate bipolar transistor. Thereby, an efficient power control can be achieved.
- a cooktop control method in which a switching unit interrupts and produces at least one power supply line to a first switching element, through which temporarily a current generated by a power supply voltage is interrupted, and a control device controls the switching unit such that the switching unit controls the power supply line during at least a first entire time interval, and the control device causes the power supply line to be established immediately before and immediately after the first time interval, and the control device causes switching of the first switching element that starts during the time interval and ends, wherein the first time interval is less than half the period of the power grid voltage.
- Fig. 1 is a plan view of a cooking hob with an inventive
- 3 is a schematic representation of a switching operation, wherein the time is plotted on an abscissa,
- Fig. 4 is a representation of a period
- Fig. 5 shows the circuit in a third state.
- FIG. 1 shows a plan view of a cooktop with a cooktop device according to the invention, designed as an induction cooktop device, which has a plurality of cooking zones.
- a circuit 36 (FIG. 2a) of the cooktop device has four heating elements U, L 2 , L 3 , L 4 designed as coils, all of which can be operated simultaneously at different power levels.
- Each of the heating elements U, L 2 , L 3 , L 4 is assigned to one of the cooking zones 34, so that when using the cooktop each heating element U exactly one cookware element, ie z.
- the circuit 36 has a switching unit 10, which is formed by a first and a second inverter 28, 30.
- the first inverter 28 includes a first insulated gate bipolar transistor (hereinafter, the abbreviation "IGBT" is used) 32 and a second IGBT 33. Further, the inverter 30 includes a first IGBT 44 and a second IGBT 46. Furthermore, the circuit 36 has a country-specific AC voltage source U, which supplies a mains voltage with an effective value of 230 V and a frequency of 50 Hz.
- the cooking hob device described is intended in particular for operation in Europe. For cooktop appliances intended for US operation, a corresponding AC power source provides a 60 Hz power line voltage.
- the voltage of AC power source U first passes through a filter 40 of circuit 36, which eliminates high frequency noise and is essentially a low pass filter.
- a voltage filtered by the filter 40 is rectified by a rectifier 42 of the circuit 36, which may be designed as a bridge rectifier, so that at an output of the rectifier 42, a rectified voltage U g ( Figure 3) is delivered between a Collector of the IGBT 32 and an emitter of the IGBT 33 is applied.
- the rectified voltage U g is also applied between a collector of the IGBT 44 and to an emitter of the IGBT 46.
- the circuit 36 has two capacitors Ci, C 2 . In each case, a first contact of the capacitors C- 1 , C 2 is conductively connected to the collector of the IGBT 32 and conductively connected to a collector of the IGBT 44.
- a second contact of the capacitors C 1 , C 2 is conductively connected to the emitter of the IGBT 33 and conductively connected to the emitter of the IGBT 46.
- An emitter of the IGBT 32 is conductively connected to a collector of the IGBT 33.
- an emitter of the IGBT 44 is conductively connected to a collector of the IGBT 46.
- the circuit 36 as a relay S- ⁇ 'trained switching element Si and five other relays S 2 , S 3 , S 4 , S 5 , S 6 on.
- the relays Si ', S 2 , S 3 , S 4 , S 5 , S 6 are SPDT relays and identical.
- Each of the relays Si ', S 2 , S 3 , S 4 , S 5 , S 6 has a first, a second and a third contact and a coil, wherein the first contacts by a corresponding control of the coil optionally with the second or the third contact is conductively connected.
- the first contact of the relay S 3 is conductively connected to the emitter of the IGBT 32. Furthermore, the second contact of the relay S 3 is connected to the first contact of the relay S-1 '. The third contact of the relay S 3 is conductively connected to the first contact of the relay S 2 . The second contact of the relay S-1 'is conductively connected to a first contact of the heating element Li. The third contact of the relay S-1 'is conductively connected to a first contact of the heating element L 2 . The second contact of the relay S 2 is conducting with a first contact of the heating element L 3 connected. The third contact of the relay S 2 is conductively connected to a first contact of the heating element L 4 .
- the first contact of the relay S 6 is conductively connected to the emitter of the IGBT 44. Further, the second contact of the relay S 6 is connected to the first contact of the relay S 4 .
- the third contact of the relay S 6 is conductively connected to the first contact of the relay S 5 .
- the second contact of the relay S 4 is conductively connected to a first contact of the heating element U.
- the third contact of the relay S 4 is conductively connected to a first contact of the heating element L 2 .
- the second contact of the relay S 5 is conductively connected to a first contact of the heating element L 3 .
- the third contact of the relay S 5 is conductively connected to a first contact of the heating element L 4 .
- a second contact of the heating element U is conductively connected to a second contact of the heating element L 2 . Further, a second contact of the heating element L 3 is conductively connected to a second contact of the heating element L 4 .
- the circuit 36 also has capacitors C 3 , C 4 , C 5 , C 6 .
- the second contact of the heating element U is conductively connected to a first contact of the capacitor C 3 and to a first contact of the capacitor C 4 .
- the second contact of the heating element L 3 is conductively connected to a first contact of the capacitor C 5 and to a first contact of the capacitor C 6 .
- Second contacts of the capacitors C 3 and C 5 are conductively connected to the collector of the IGBT 32. Further, second contacts of the capacitors C 4 and C 6 are conductively connected to the emitter of the IGBT 46.
- Both by means of the IGBT 32 and by means of the IGBT 33 is in each case a Stromzulei- direction to the first switching element S- ⁇ , through which in an operating process, a generated by means of the AC voltage source U current flows, producible and interruptible.
- a control device 14 of the circuit 36 which has two control units 56, 58, controls the switching unit 10 during the operation in such a way that during a total time interval t (FIG. 3) applies to each one of the IGBTs 32, 33, 44, 46 in that a conductive connection between its collector and its emitter is interrupted.
- the control device 14 is connected to the switching unit 10 and in particular to the gate terminals of the IGBTs 32, 33, 44, 46 (not shown).
- Immediately before and immediately after the time interval t is at least one of the IGBTs 32, 33 and at least one of the IGBTs 44, 46 in a state in which its collector is conductively connected to its emitter.
- control device 14 causes, during the entire time interval t only for each of the IGBTs 32, 33, that a conductive connection between its collector and its emitter is interrupted, while the IGBTs 44, 46, for example, in the time interval t can perform switching operations.
- the relays S 2 , S 3 , S 4 , S 5 and S 6 in the operating process in the following switching states:
- S 3 , S 4 , S 5 is in each case the first contact with the second Contact senior connected.
- the relay S 6 the first is conductively connected to the third contact.
- FIG. 3 illustrates schematically how a switching operation of the relay S-1 is effected, the time being shown on an abscissa 52.
- a switching position 54 of the relay S- ⁇ ' that is, a position of the first contact of the relay S- ⁇ ' is shown in dashed lines.
- Temporally before the time interval t is the first relay S- ⁇ 'in a first switching state in which the first contact of the relay S- ⁇ ' with the second contact of the relay S- ⁇ 'forms a conductive connection.
- the conductive connection is free of current flow.
- the control device 14 causes the first contact of the relay S to be released during a time period t 2 which is completely within the time interval t and which is spaced from end points of the time interval t, starting from the first switching state (FIG. 2 a) Finally, it is separated from the second contact of the relay S-1 'and subsequently impinges on the third contact and, after impact, the first and the third contact of the relay S-1' form a conductive connection, this conductive connection before a End of the time interval t exists ( Figure 2b) and during the time interval t is free of a current flow.
- the control device 14 at a time, which from a middle of the period t 2 has a time interval t- ⁇ , which characterizes a reaction time of the relay S- ⁇ ', a voltage U s to the coil of the relay S- ⁇ ', which causes a switching of the relay S- ⁇ ' in the period t 2 .
- a production of the conductive connection between the first and the third contact of the relay S-1 ' ends at an end time of the time period t 2 .
- the distance ti may differ by a maximum deviation time.
- a total duration of the time interval t is the sum of the time period t 2 and twice the amount of the deviation time. Because the conductive connections of the relay S-1 'during the time interval t are de-energized, the switching operation of the relay S- ⁇ ', which takes place during the time interval t, particularly gentle for the relay S- ⁇ 'and allows a long life of the relay S-1 '.
- the mains voltage has a frequency of 50 Hz.
- the time interval t is less than half the period of the mains voltage and has a length of eight milliseconds.
- the AC voltage source U, the filter 40 and the rectifier 42 form a voltage supply unit 18, which applies the voltage U g to the switching unit 10 during the operating process.
- the voltage U g has a minimum point in a middle of the time interval t.
- a voltage delivered by the AC voltage source U has a zero crossing in the middle of the time interval t.
- the capacitors C- 1 and C 2 and the inactivity of the inverters 28, 30 ensure that the voltage U g is constant.
- the control device 14 causes the switching unit 10 during the operation to interrupt periodically for periods of time t 3 , which are as long as the time interval t, all power supply lines which can be produced and interrupted by the switching unit 10.
- a period T Mux of the periodic interruption is less than one second (FIG. 4).
- the period T Mux begins with one of the time periods t 3 , which is followed immediately by a first time period T S i.
- a switching operation of the switching element S- 1 starts and ends which switches the switching element Si from a state in which the first and third contacts of the switching element Si are conductively connected to a state in which the first and second Contact the switching element Si are conductively connected, transferred.
- the controller 14 causes each of the IGBTs 32, 33 to switch at a first frequency during the period of time T S i.
- the time period T S i is followed by one of the time periods t 3 , which is identical to the time interval t, immediately on.
- the time interval t is immediately followed by a time interval T S 2.
- the controller 14 causes each of the IGBTs 32, 33 to switch at a second frequency different from the first frequency during the period T S 2.
- a power is output to the heating element Li (FIG. 2 a), which approximately corresponds to the power which, during the second time interval T S 2, is applied to the heating element L 2 (FIG. 2 b ) by means of the inverter 30 ) is delivered.
- Lengths of the time segments T S i, T S 2 are determined according to the power levels at which each individual heating element L 1; L 2 is to be operated, set by the control device 14, wherein the power levels of the heating elements L 1; L 2 may differ and the heating elements L 1; Heat L 2 different cookware elements.
- the inverter 30 supplies the heating element L 3 with power during the periods T S i, T S2 .
- the voltage U g is in periods that are free of all time intervals t 3 , periodically with a period that is half as large as the period of the power grid voltage.
- the relay S 3 is a switching element S 3 ', which is connected in series with the switching element S- ⁇ .
- the control device 14 switches the relay S 3 at a further operating process different from the operating procedure in a second time interval which is seven milliseconds long (FIG. 5).
- the switching of the relay S 3 starts and ends in the second time interval.
- the control device 14 causes each of the IGBTs 32, 33, 44, 46 to be in a blocking state during the entire second time interval, that is to say free from a conductive connection between its collector and its emitter.
- at least one of the IGBTs 32, 33 and at least one of the IGBTs 44, 46 switches.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Induction Heating Cooking Devices (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11720183T PL2564666T3 (en) | 2010-04-27 | 2011-04-01 | Hob device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES201030607A ES2385091B1 (en) | 2010-04-27 | 2010-04-27 | COOKING HOB DEVICE. |
PCT/IB2011/051396 WO2011135470A1 (en) | 2010-04-27 | 2011-04-01 | Hob device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2564666A1 true EP2564666A1 (en) | 2013-03-06 |
EP2564666B1 EP2564666B1 (en) | 2017-06-14 |
Family
ID=44212094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11720183.0A Active EP2564666B1 (en) | 2010-04-27 | 2011-04-01 | Hob device |
Country Status (6)
Country | Link |
---|---|
US (1) | US10136478B2 (en) |
EP (1) | EP2564666B1 (en) |
CN (1) | CN102860124B (en) |
ES (2) | ES2385091B1 (en) |
PL (1) | PL2564666T3 (en) |
WO (1) | WO2011135470A1 (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2832182B1 (en) * | 2012-03-28 | 2018-11-21 | BSH Hausgeräte GmbH | Induction heating device |
JP6053364B2 (en) * | 2012-07-19 | 2016-12-27 | キヤノン株式会社 | Information processing system, server device, client device, and control method |
PL2888925T3 (en) * | 2012-08-27 | 2018-09-28 | BSH Hausgeräte GmbH | Domestic appliance device |
EP2876974B1 (en) * | 2013-11-21 | 2018-01-31 | BSH Hausgeräte GmbH | Cooking device |
ES2776387T3 (en) | 2014-03-24 | 2020-07-30 | Bsh Hausgeraete Gmbh | Cooking appliance device |
EP3123816B1 (en) * | 2014-03-24 | 2017-12-27 | BSH Hausgeräte GmbH | Cooking appliance device having a self-controlling bypassing unit |
ES2585936B1 (en) * | 2015-04-09 | 2017-07-18 | Bsh Electrodomésticos España, S.A. | Cooking Field Device |
USD787041S1 (en) | 2015-09-17 | 2017-05-16 | Whirlpool Corporation | Gas burner |
US10837651B2 (en) | 2015-09-24 | 2020-11-17 | Whirlpool Corporation | Oven cavity connector for operating power accessory trays for cooking appliance |
US11777190B2 (en) | 2015-12-29 | 2023-10-03 | Whirlpool Corporation | Appliance including an antenna using a portion of appliance as a ground plane |
US10145568B2 (en) | 2016-06-27 | 2018-12-04 | Whirlpool Corporation | High efficiency high power inner flame burner |
US10551056B2 (en) | 2017-02-23 | 2020-02-04 | Whirlpool Corporation | Burner base |
US10451290B2 (en) | 2017-03-07 | 2019-10-22 | Whirlpool Corporation | Forced convection steam assembly |
US10660162B2 (en) | 2017-03-16 | 2020-05-19 | Whirlpool Corporation | Power delivery system for an induction cooktop with multi-output inverters |
US10638543B2 (en) * | 2017-08-31 | 2020-04-28 | Taiwan Semiconductor Manufacturing Company, Ltd. | Photonic heater |
US10993292B2 (en) * | 2017-10-23 | 2021-04-27 | Whirlpool Corporation | System and method for tuning an induction circuit |
US10627116B2 (en) | 2018-06-26 | 2020-04-21 | Whirlpool Corporation | Ventilation system for cooking appliance |
US10619862B2 (en) | 2018-06-28 | 2020-04-14 | Whirlpool Corporation | Frontal cooling towers for a ventilation system of a cooking appliance |
US10837652B2 (en) | 2018-07-18 | 2020-11-17 | Whirlpool Corporation | Appliance secondary door |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE3610196A1 (en) * | 1986-03-26 | 1987-10-01 | Thomson Brandt Gmbh | Cooking point having inductively heated hotplates |
US5648008A (en) * | 1994-11-23 | 1997-07-15 | Maytag Corporation | Inductive cooking range and cooktop |
EP1194008B1 (en) * | 2000-09-29 | 2010-01-20 | BSH Bosch und Siemens Hausgeräte GmbH | Inverter circuit and its method of controlling |
US6951997B2 (en) | 2002-07-26 | 2005-10-04 | Ark-Les Corporation | Control of a cooktop heating element |
US20060289489A1 (en) * | 2005-05-09 | 2006-12-28 | Dongyu Wang | Induction cooktop with remote power electronics |
TW200702968A (en) * | 2005-07-12 | 2007-01-16 | Holtek Semiconductor Inc | Architecture and method of power-controlling circuit applicable to electronic cooker |
JP4900248B2 (en) * | 2006-02-02 | 2012-03-21 | パナソニック株式会社 | Induction heating device |
ES2325108B1 (en) * | 2006-09-13 | 2010-06-01 | Bsh Electrodomesticos España, S.A. | KITCHEN DEVICE. |
CN101500350B (en) | 2008-01-30 | 2011-07-06 | 义隆电子股份有限公司 | Electromagnetic furnace control circuit and electromagnetic furnace using the same |
JP5443364B2 (en) * | 2008-09-01 | 2014-03-19 | 三菱電機株式会社 | CONVERTER CIRCUIT, MOTOR DRIVE CONTROL DEVICE EQUIPPED WITH THE SAME, AIR CONDITIONER, REFRIGERATOR, AND INDUCTION HEATING COOKER |
-
2010
- 2010-04-27 ES ES201030607A patent/ES2385091B1/en not_active Revoked
-
2011
- 2011-04-01 US US13/643,128 patent/US10136478B2/en not_active Expired - Fee Related
- 2011-04-01 PL PL11720183T patent/PL2564666T3/en unknown
- 2011-04-01 CN CN201180021281.3A patent/CN102860124B/en not_active Expired - Fee Related
- 2011-04-01 WO PCT/IB2011/051396 patent/WO2011135470A1/en active Application Filing
- 2011-04-01 ES ES11720183.0T patent/ES2634946T3/en active Active
- 2011-04-01 EP EP11720183.0A patent/EP2564666B1/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2011135470A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2011135470A1 (en) | 2011-11-03 |
EP2564666B1 (en) | 2017-06-14 |
ES2634946T3 (en) | 2017-09-29 |
ES2385091B1 (en) | 2013-05-28 |
PL2564666T3 (en) | 2017-10-31 |
US20130043239A1 (en) | 2013-02-21 |
CN102860124B (en) | 2015-12-16 |
CN102860124A (en) | 2013-01-02 |
ES2385091A1 (en) | 2012-07-18 |
US10136478B2 (en) | 2018-11-20 |
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