CN112512148A - Circuit for cooking appliance and cooking appliance - Google Patents
Circuit for cooking appliance and cooking appliance Download PDFInfo
- Publication number
- CN112512148A CN112512148A CN201910870202.4A CN201910870202A CN112512148A CN 112512148 A CN112512148 A CN 112512148A CN 201910870202 A CN201910870202 A CN 201910870202A CN 112512148 A CN112512148 A CN 112512148A
- Authority
- CN
- China
- Prior art keywords
- unit
- circuit
- power supply
- power
- connection unit
- 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.)
- Pending
Links
Images
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
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
-
- 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
-
- 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
- H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
- H05B2213/07—Heating plates with temperature control means
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
The invention relates to a circuit for a cooking appliance and a cooking appliance, wherein the circuit comprises: at least one power supply circuit for supplying first power to the heating unit by means of a first power supply unit and for supplying second power to the interface circuit by means of a second power supply unit, the second power supply unit being electrically isolated from the first power supply unit, the power supply circuit comprising a first connection unit for receiving commands from the interface circuit, submitting parameters to the interface circuit and/or supplying power to the interface circuit; an interface circuit having at least a second connection unit for receiving power from the power supply circuit, submitting commands to the power supply circuit and/or receiving parameters from the power supply circuit, a third connection unit for sending parameters to the operating device and/or receiving commands from the operating device and preferably a fourth connection unit for submitting power to the at least one measuring device and/or for receiving parameters from the at least one measuring device.
Description
Technical Field
The present invention relates to a circuit, in particular a distributed and/or modular circuit, for a cooking appliance, in particular for a hob and/or for an induction cooking appliance, more particularly for an induction hob, and a corresponding cooking appliance.
Background
The cooking appliance may comprise an electrical circuit, in particular an electrical circuit with at least one power supply circuit and/or interface circuit. There is an increasing demand for such circuits to be cost effective. At the same time, however, there is also a need for monitoring, controlling and displaying operating parameters in particular, conveniently, accurately, safely, modularly and flexibly.
However, current cooking appliances and corresponding circuits do not satisfactorily meet these requirements in a sufficient number of combinations.
Disclosure of Invention
It is therefore an object of the present invention to provide an improved electric circuit and an improved cooking appliance which is both flexible and accurate.
This object is solved according to embodiments of the present invention. Improvements are provided in alternative embodiments of the present invention.
The present invention relates to a circuit for a cooking appliance, in particular for a hob and/or an induction cooking appliance, more particularly for an induction hob, in particular a distributed and/or modular circuit,
wherein, this circuit includes:
at least one power supply circuit, in particular a power pad, for supplying first power to one, two, at least one or at least two heating units by means of a first power supply unit and for supplying second power to an interface circuit by means of a second power supply unit, in particular electrically isolated from the first power supply unit, the power supply circuit comprising a first connection unit for receiving commands from the interface circuit, submitting parameters to the interface circuit and/or supplying power to the interface circuit;
an interface circuit, in particular an interface board, having at least a second connection unit for receiving power from the power supply circuit, submitting commands to the power supply circuit and/or receiving parameters from the power supply circuit, a third connection unit, in particular a wireless connection unit, for sending parameters to and/or for receiving commands from an operating device, in particular a mobile operating device and/or an external operating device, and preferably a fourth connection unit or at least one fourth connection unit, and the fourth connection unit is in particular a connector and/or a wireless connection for submitting power to at least one measuring device and/or for receiving parameters from at least one measuring device, in particular an external measuring device.
The invention relates in particular to a circuit for an induction hob, in particular a distributed and/or modular circuit, wherein the circuit comprises: a power supply circuit, in particular a power pad, for supplying first power to the one, two, at least one or at least two heating units by means of a first power supply unit and for supplying second power to the interface circuit by means of a second power supply unit, the second power supply unit being electrically isolated from the first power supply unit, the power supply circuit comprising a first connection unit for receiving commands from the interface circuit, submitting parameters to the interface circuit and/or supplying power to the interface circuit; an interface circuit, in particular an interface board, having at least a second connection unit for receiving power from the power supply circuit, submitting commands to the power supply circuit and/or receiving parameters from the power supply circuit, a third wireless connection unit for sending parameters to and/or receiving commands from the mobile and/or external operating device, and a fourth connection unit, in particular a connector, for submitting power to and/or receiving parameters from the external measuring device.
By using the power supply circuit for supplying power, in particular the power board, and further the interface circuit for communicating with the operating device and preferably with the measuring device, in particular the interface board, it is possible to develop and/or produce and/or place the two circuits, in particular the two boards, independently of each other. This makes it easier and cheaper to adapt the power supply circuit to a specific heating unit and/or a specific cooking appliance and/or to adapt the interface circuit to specific requirements.
In particular, the invention makes it possible to transfer monitoring and/or control of the heating unit to an external operating device, such as a mobile phone, in a flexible manner independently of the actual power circuit. At the same time, by using external measuring devices, precise temperature control and in particular monitoring of a plurality of different parameters is also possible. Therefore, since the existing external operation device can be used, the cost for operating the device can be reduced.
The connection unit is intended for establishing and maintaining a connection with another connection unit. The connection may be a wired connection or a wireless connection. The wireless connection unit may enable a wireless connection, in particular with a plurality of measurement devices. This enables various parameters to be monitored and controlled. For establishing a wireless connection, an established communication protocol may be used, which easily and flexibly enables the use of multiple measurement devices. The connection unit may be understood in particular as an interface unit.
In an embodiment, the interface circuit comprises a user interface, in particular comprising at least a display unit and an input unit, more particularly comprising a touch sensitive display.
In an embodiment, the interface circuit comprises means for receiving a parameter from the measurement device and for sending power to the measurement device, in particular means for receiving a temperature parameter from the measurement device and for sending power to the measurement device.
In an embodiment, the interface circuit comprises means for receiving parameters from the measuring device and for transmitting parameters to the operating device, in particular means for receiving temperature parameters from the measuring device and for transmitting temperature parameters to the operating device.
In an embodiment, the interface circuit comprises means for receiving commands from the operating device and for sending commands to the power supply circuit, in particular means for receiving control commands from the operating device for controlling the at least one heating unit and for sending commands to the power supply circuit.
In an embodiment, the at least one measuring device comprises a temperature measuring unit, in particular a temperature probe, and/or at least one measuring unit for humidity, weight, vibration or chemical composition.
In an embodiment, the at least one measuring device is a food detector and/or a device for measuring the temperature of at least one item to be cooked on the at least one heating unit.
In an embodiment, the at least one measurement device comprises a fifth connection unit for exchanging temperature parameters with and/or receiving power from the fourth connection unit.
In an embodiment, the interface circuit comprises at least one fourth wireless connection unit for receiving parameters from a plurality of measuring devices, in particular a plurality of external measuring devices, wherein the measuring devices comprise a temperature measuring unit, in particular a temperature probe, and/or at least one measuring device for humidity, weight, vibration or chemical composition of the item to be cooked.
The use of external measuring devices may enable the measuring devices to be used for different cooking devices, for example for cooking hobs and for ovens. The use of a plurality of measuring devices, in particular a plurality of external measuring devices, makes it possible to measure different parameters and/or a plurality of parameters. This option can significantly increase the options for cooking, as more parameters can be measured. In particular, the control algorithm software may be adapted to take into account the modified parameters when using an external operating device.
In particular, the operating device may be configured to send commands to the power supply circuit. The sending of the command to the power supply circuit in the operating device may preferably be based on software or an application, and the software or the application may more preferably be adapted to the at least one parameter provided by the at least one measurement unit. The adaptation may preferably be performed directly by the user, e.g. by manually or automatically selecting the provided parameters and/or by obtaining and/or downloading appropriate software, in particular an appropriate application or app.
In an embodiment, the operating device is a mobile phone.
In another embodiment, the operating device may be a mobile device, such as a tablet computer or similar operating device. The operating device may particularly comprise a display unit and/or an input unit, more particularly a touch screen.
In an embodiment, the at least one power supply circuit is supplied with power by at least one external supply signal.
In an embodiment, the at least one external supply signal is set to have a voltage between 220V and 380V, in particular between 220V and 250V, and/or an AC voltage signal having a single voltage phase and/or a mains voltage. Preferably, the external supply signal is provided by only two wires.
In an embodiment, the at least one internal DC supply signal is provided by at least one DC signal generating unit for supplying power to the at least one DC bus.
In an embodiment, the second power supply unit comprises a power conversion circuit for converting the externally supplied signal to a different output voltage, in particular a different DC and/or isolated output voltage.
In an embodiment, the second power supply unit supplies power to the interface circuit and/or at least one unit of the first power supply unit, in particular isolated power.
In an embodiment, the second power supply unit supplies at least a first voltage, in particular a first DC voltage, and a second voltage, in particular a second DC voltage, different from the first voltage, wherein in particular the first DC voltage is 5V and/or the second DC voltage is 18V.
The power supply may in particular be an electrical power supply and/or have a supply of electrical energy.
If an isolated 5V DC supply voltage is supplied, class II or double isolation is preferably used. Preferably, the supply voltage, in particular the first voltage and/or the second voltage, is supplied in such a way that it does not require a safe connection to electrical ground or earth. This is particularly advantageous for supplying power to one or more external measurement devices.
In particular, at least two layers of insulating material are used for the insulation of the voltage supply unit. By such an insulation, it may preferably be achieved that a single fault will not result in a dangerous voltage being exposed to the user, so that electric shocks to the user may be avoided. In an embodiment, this may preferably be achieved without relying on a grounded metal housing.
In an embodiment, the at least one power supply circuit, in particular the first power supply unit, comprises: a relay; a frequency adaptation unit; at least one DC signal generating unit; one, at least one or at least two heating frequency generation units and/or micro control units.
In an embodiment, the frequency adaptation unit is a filter, wherein the filter is in particular formed by an LC filter.
In an embodiment, the at least one DC signal generating unit is a rectifier, wherein the rectifier is in particular a bridge rectifier and/or is constituted by diodes, wherein the at least one DC signal generating unit preferably comprises a surge protection unit and/or a bus voltage detection unit.
In an embodiment, the or each heating frequency generating unit comprises an inverter, in particular a generator, in particular an inverter using IGBTs and/or half bridges and/or using quasi-resonant signals.
In an embodiment, the first electrical power is supplied to the at least one heating unit by means of the at least one heating frequency generation unit, in particular by means of the at least one heating frequency signal.
In an embodiment, the or each heating frequency generating unit comprises a current detection unit, an IGBT voltage detection unit, an IGBT temperature detection unit and/or an IGBT driver unit.
In an embodiment, the first connection unit and the second connection unit are interconnected by a serial communication interface, in particular a galvanically isolated serial communication interface, preferably by means of at least one optocoupler device.
In an embodiment, the third connection unit comprises means for transmitting parameters to the operating device and/or for receiving commands from the operating device, in particular means for transmitting temperature parameters to the operating device and/or for receiving temperature parameters from the operating device.
In an embodiment, the fifth connection unit is connected with the fourth connection unit by a cable and/or a wireless connection, in particular using a wireless communication protocol, more in particular bluetooth and/or IEEE 802.15.1.
In an embodiment, the first connection unit is connected with the second connection unit by a cable and/or a wireless connection.
In an embodiment, the third connection unit is connected to the operating device by a cable and/or a wireless connection.
In an embodiment, one, at least one or each board is in particular a power board and/or the interface board is a printed circuit board, PCB.
The invention also relates to a cooking appliance, in particular a hob and/or an induction cooking appliance, more particularly an induction hob, having the circuit according to the invention.
In an embodiment, the cooking appliance comprises one, at least one, in particular at least two, at least three or at least four heating units, wherein each heating unit preferably comprises at least one inductor, more preferably at least one coil.
In an embodiment, the cooking appliance comprises an operating device and/or at least one measuring device.
Drawings
The invention will be described in further detail with reference to the accompanying drawings, in which:
fig. 1 shows a circuit according to a preferred embodiment of the invention.
Detailed Description
Although this figure shows two heating units 90, 91 as an example, embodiments of the invention, particularly the second embodiment, may also comprise an electrical circuit for supplying only one heating unit 90.
Fig. 1 shows an electrical circuit 2 for a cooking appliance, in particular an induction cooking appliance, more particularly an induction hob, in particular a distributed and/or modular electrical circuit.
In the embodiment of fig. 1, the circuit 2 comprises a power supply circuit 20, in particular a power board, the power supply circuit 20 being adapted to supply the first power 36, 37 to the two heating units 90, 91 by means of the first power supply unit 21.
In the second embodiment, the circuit 2 comprises a power supply circuit 20, in particular a power board, the power supply circuit 20 being adapted to supply the first power 36 to the single heating unit 90 by means of the first power supply unit 21.
In addition, the power supply circuit 20 is configured to supply the second power 63 to the interface circuit 70 by means of the second power supply unit 22.
The second power supply unit 22 is electrically isolated from the first power supply unit 21. The power supply circuit 20 comprises a first connection unit 49, the first connection unit 49 being adapted to receive commands from the interface circuit 70, submit parameters to the interface circuit 70 and/or supply power to the interface circuit 70.
Furthermore, the circuit 2 comprises an interface circuit 70, in particular an interface board, the interface circuit 70 having at least a second connection unit 71, the second connection unit 71 being adapted to receive power from the power supply circuit 20, to submit commands to the power supply circuit 20 and/or to receive parameters from the power supply circuit 20. The circuit 2 further comprises a third connection unit 73, in particular a wireless connection unit, the third connection unit 73 being for sending parameters to the operating device 80 and/or for receiving commands from the operating device 80, the operating device 80 being in particular a mobile operating device and/or an external operating device.
In addition, the interface circuit 70 comprises a fourth connection unit 72, in particular a connector, the fourth connection unit 72 being for submitting power to at least one measuring device 81 and/or for receiving parameters from the at least one measuring device 81, the at least one measuring device 81 being in particular an external measuring device. In particular, the interface circuit 70 may comprise a fourth connection unit 72, in particular a connector, the fourth connection unit 72 being for submitting power to the plurality of external measurement devices 81 and/or for receiving parameters from the plurality of external measurement devices 81.
The interface circuit 70 comprises a user interface comprising at least a display unit and an input unit, more particularly a touch sensitive display.
The interface circuit 70 comprises means for receiving parameters from the measuring device 81 and for transmitting power to the measuring device 81, in particular means for receiving temperature parameters from the measuring device 81 and for transmitting power to the measuring device 81.
The interface circuit 70 comprises means for receiving parameters from the measuring device 81 and for sending parameters to the operating device 80, in particular means for receiving temperature parameters from the measuring device 81 and for sending temperature parameters to the operating device 80.
The interface circuit 70 comprises means for receiving commands from the operating device 80 and for sending commands to the power supply circuit 20, in particular means for receiving control commands from the operating device 80 for controlling the heating units 90, 91 and for sending commands to the power supply circuit 20.
In the second embodiment, the interface circuit 70 comprises means for receiving commands from the operating device 80 and for sending commands to the power supply circuit 20, in particular means for receiving control commands from the operating device 80 for controlling the individual heating units 90 and for sending commands to the power supply circuit 20.
The measuring device 81 comprises a temperature measuring unit 81, in particular a temperature probe and/or at least one measuring unit for humidity, weight, vibration or chemical composition.
The measuring device 81 may in particular be a food detector. The measuring device 81 may be a device for measuring the temperature of at least one item to be cooked on at least one heating unit 90, 91.
The measuring device 81 comprises a fifth connection unit 82, the fifth connection unit 82 being adapted to exchange temperature parameters with the fourth connection unit 72 and/or to receive power from the fourth connection unit 72.
In another embodiment, the interface circuit 70 may comprise at least one fourth wireless connection unit 72, the fourth wireless connection unit 72 being adapted to receive parameters from a plurality of measuring devices 81, in particular external measuring devices, wherein the measuring devices 81 comprise a temperature measuring unit 81, in particular a temperature probe, and/or at least one measuring device for the humidity, weight, vibration or chemical composition of the item to be cooked.
In this embodiment, the operating device 80 is a mobile phone 80. The operating device may also be a different mobile device, such as a tablet computer or similar device.
In particular, the operating device 80 is configured to send commands to the power supply circuit 20. The sending of the commands in the operating device 80 to the power supply circuit 20 may be based on software or an application, which preferably can be adapted to at least one parameter provided by the at least one measurement unit 81. The adaptation may preferably be performed directly by the user, e.g. by manually or automatically selecting the provided parameters and/or by obtaining and/or downloading appropriate software, in particular an appropriate application or app.
Power is supplied to the at least one power supply circuit 20 by at least one external supply signal 39.
The at least one external supply signal 39 is set to an AC voltage signal and/or the mains voltage 10 having a voltage between 220V and 380V, in particular between 220V and 250V, and having a single voltage phase. The external supply signal is provided by only two lines.
The at least one internal DC supply signal 38 is provided by at least one DC signal generating unit 33, the at least one DC signal generating unit 33 being in particular used for supplying power to at least one DC bus.
The second power supply unit 22 comprises a power conversion circuit 60, the power conversion circuit 60 being configured to convert an externally supplied signal into different isolated DC output voltages 61, 62, 63.
The second power supply unit 22 supplies the isolated power to at least one of the interface circuit 70 and the first power supply unit 21.
The second power supply unit 22 supplies at least a first voltage, in particular a first DC voltage, and a second voltage, in particular a second DC voltage, different from the first voltage. In particular, the first DC voltage is 5V and/or the second DC voltage is 18V. In particular, an isolated 5V DC supply voltage is supplied to the interface circuit.
The power supply circuit 20 includes: a relay 31; a frequency adaptation unit 32; at least one DC signal generating unit 33; one, at least one or at least two heating frequency generating units 34, 35; and a micro control unit 50.
In particular, an external supply signal 39 is fed into the relay 31. The output of the relay 31 is fed into a frequency adaptation unit 32. The output of the frequency adaptation unit 32 is fed into at least one DC signal generation unit 33.
In the first embodiment, the output of at least one DC signal generating unit 33 is fed into at least two heating frequency generating units 34, 35. The outputs of the at least two heating frequency generating units 34, 35 are fed into at least two heating units 90, 91.
In the second embodiment not including the heating frequency generating unit 35 and the heating unit 91, the output of at least one DC signal generating unit 33 is fed into the heating frequency generating unit 34. The output of the heating frequency generation unit 34 is fed into the heating unit 90.
The frequency adaptation unit 32 is a filter, wherein the filter is in particular constituted by an LC filter.
The at least one DC signal generating unit 33 is a rectifier, wherein the rectifier is in particular a bridge rectifier and/or is constituted by diodes, wherein the at least one DC signal generating unit 33 preferably comprises a surge protection unit 42 and a bus voltage detection unit 43.
In the first embodiment, the at least two heating frequency generating units 34, 35 are in particular inverters, in particular generators, using IGBTs and/or half bridges and/or using quasi-resonant signals.
The first power is supplied to the heating units 90, 91 by means of the heating frequency generation units 34, 35, in particular by means of the heating frequency signals 36, 37.
The at least two heating frequency generating units 34, 35 include a current detecting unit 44, an IGBT voltage detecting unit 45, an IGBT temperature detecting unit 46, and an IGBT driver unit 47.
In the second embodiment, the heating frequency generation unit 34 is in particular an inverter, in particular a generator, using one or at least one IGBT and/or a half bridge and/or using a quasi-resonant signal.
The first power is supplied to the heating unit 90 or 91 by means of the heating frequency generation unit 34, 35, in particular by means of the heating frequency signal 36, 37.
In the second embodiment, the heating frequency generating unit 34 includes a current detecting unit 44, an IGBT voltage detecting unit 45, an IGBT temperature detecting unit 46, and an IGBT driver unit 47.
The current detection unit 44, the IGBT voltage detection unit 45, the IGBT temperature detection unit 46 and the IGBT driver unit 47, and the fan driver unit 48 are supplied with power by means of the DC voltage supply of the power conversion circuit 60, and interact with the micro control unit 50.
The first connection unit 49 and the second connection unit 71 are interconnected by a serial communication interface, in particular a galvanically isolated serial communication interface, preferably by means of at least one optocoupler device.
The third connection unit 73 comprises means for transmitting parameters to the operating device 80 and/or for receiving commands from the operating device 80, in particular means for transmitting temperature parameters to the operating device and/or for receiving temperature parameters from the operating device.
The fifth connection unit 82 is connected with the fourth connection unit 72 by a cable and/or a wireless connection, in particular with the fourth connection unit 72 using a wireless communication protocol, more in particular using bluetooth and/or IEEE 802.15.1.
The first connection unit 49 is connected with the second connection unit 71 by a cable and/or a wireless connection.
The third connecting unit 73 is connected with the operation device 80 by a cable and/or a wireless connection.
One, at least one or each board 20, 70 is in particular a power board and/or an interface board is a printed circuit board PCB.
The cooking appliance according to embodiments may be an induction hob as shown in fig. 1 and comprise one, at least one, in particular at least two, at least three or at least four heating units 90, 91, wherein each heating unit preferably comprises at least one inductor, more preferably at least one coil.
The cooking appliance 1 comprises an operating device 80 and/or at least one measuring device 81.
List of reference numerals
1 cooking appliance
2 circuit
20 power supply circuit
21 first power supply unit
22 second power supply unit
31 Relay
32 frequency adaptation unit
33 DC signal generating unit
34. 35 heating frequency generating unit
38 DC supply signal
39 external supply signal
42 surge protection unit
43 bus voltage detection unit
44 current detection unit
45 IGBT voltage detection unit
46 IGBT temperature detection unit
47 IGBT driver unit
48 fan driver unit
49 connecting unit
50 micro control unit
60 power conversion circuit
61. 62, 63 DC output
70 interface circuit
71. 72, 73 connection unit
80 operating device
81 measuring device
82 connecting unit
90. 91 heating unit
Claims (12)
1. An electrical circuit (2) for a cooking appliance, in particular for a hob and/or an induction cooking appliance, more particularly for an induction hob, the electrical circuit (2) being in particular a distributed and/or modular electrical circuit,
wherein the circuit (2) comprises:
-at least one power supply circuit (20), in particular a power pad, the at least one power supply circuit (20) being for supplying first power (36, 37) to one, two, at least one or at least two heating units (90, 91) by means of a first power supply unit (21) and for supplying second power (63) to an interface circuit (70) by means of a second power supply unit (22), the second power supply unit (22) being in particular electrically isolated from the first power supply unit (21), the power supply circuit (20) comprising a first connection unit (49), the first connection unit (49) being for receiving commands from the interface circuit (70), submitting parameters to the interface circuit (70) and/or supplying power to the interface circuit (70),
-an interface circuit (70), in particular an interface board, the interface circuit (70) having at least a second connection unit (71), a third connection unit (73) and preferably a fourth connection unit (72) or at least one fourth connection unit (72), the second connection unit (71) being for receiving power from the power supply circuit (20), submitting commands to the power supply circuit (20) and/or receiving parameters from the power supply circuit (20), the third connection unit (73) being in particular a wireless connection unit, the third connection unit (73) being for sending parameters to an operating device (80) and/or for receiving commands from the operating device (80), the operating device (80) being in particular a mobile operating device and/or an external operating device, and the fourth connection unit (72) being in particular a connector and/or a wireless connection, the fourth connection unit (72) is for submitting power to at least one measurement device (81) and/or for receiving parameters from the at least one measurement device (81), the at least one measurement device (81) being in particular an external measurement device.
2. The circuit according to claim 1, wherein the interface circuit (70) comprises a user interface, in particular at least a display unit and an input unit, more particularly a touch-sensitive display, and/or
Wherein the interface circuit (70) comprises means for receiving parameters from the measurement device (81) and for sending power to the measurement device (81), in particular means for receiving temperature parameters from the measurement device (81) and for sending power to the measurement device (81), and/or
Wherein the interface circuit (70) comprises means for receiving parameters from the measuring device (81) and for transmitting parameters to the operating device (80), in particular means for receiving temperature parameters from the measuring device (81) and for transmitting temperature parameters to the operating device (80), and/or
Wherein the interface circuit (70) comprises means for receiving commands from the operating device (80) and for sending commands to the power supply circuit (20), in particular means for receiving control commands from the operating device (80) for controlling the at least one heating unit (90, 91) and for sending the commands to the power supply circuit (20).
3. Circuit according to one of the preceding claims, wherein the at least one measuring device (81) comprises a temperature measuring unit (81), in particular a temperature probe and/or at least one measuring unit for humidity, weight, vibration or chemical composition, and/or
Wherein the at least one measuring device (81) is a food detector and/or a device for measuring the temperature of at least one item to be cooked on the at least one heating unit (90, 91), and/or
Wherein the at least one measuring device (81) comprises a fifth connection unit (82), the fifth connection unit (82) being adapted to exchange temperature parameters with the fourth connection unit (72) and/or to receive power from the fourth connection unit (72), and/or
Wherein the interface circuit (70) comprises at least one fourth wireless connection unit (72) for receiving parameters from a plurality of measurement devices (81), in particular a plurality of external measurement devices, wherein the measurement devices (81) comprise a temperature measurement unit (81), in particular a temperature probe, and/or at least one measurement device for the humidity, weight, vibration or chemical composition of the item to be cooked, and/or
Wherein the operating device (80) is a mobile phone (80).
4. Circuit according to one of the preceding claims, wherein the at least one power supply circuit (20) is supplied with power by at least one external supply signal (39) and/or
Wherein the at least one external supply signal (39) is provided as an AC voltage signal (10) having a voltage between 220V and 380V, in particular between 220V and 250V, and/or having a single voltage phase, and/or the at least one external supply signal (39) is provided by only two lines, and/or
Wherein the at least one internal DC supply signal (38) is provided by at least one DC signal generation unit (33), the at least one DC signal generation unit (33) being for supplying power to the at least one DC bus.
5. The circuit of one of the preceding claims, wherein the second power supply unit (22) comprises a power conversion circuit (60), the power conversion circuit (60) being configured to convert an externally supplied signal into different output voltages (61, 62, 63), in particular different DC and/or isolated output voltages (61, 62, 63), and/or
Wherein the second power supply unit (22) supplies power, in particular isolation power, to the interface circuit (70) and/or to at least one of the first power supply units (21), and/or
Wherein the second power supply unit (22) supplies at least a first voltage, in particular a first DC voltage, and a second voltage, in particular a second DC voltage, different from the first voltage, wherein in particular the first DC voltage is 5V and/or the second DC voltage is 18V.
6. The circuit of one of the preceding claims, wherein the at least one power supply circuit (20), in particular the first power supply unit (21), comprises: a relay (31); a frequency adaptation unit (32); at least one DC signal generation unit (33); one, at least one or at least two heating frequency generating units (34, 35) and/or a micro control unit (50), and/or
Wherein the frequency adaptation unit (32) is a filter, wherein the filter is in particular constituted by an LC filter, and/or
Wherein the at least one DC signal generating unit (33) is a rectifier, wherein the rectifier is in particular a bridge rectifier and/or is constituted by diodes, wherein the at least one DC signal generating unit (33) preferably comprises a surge protection unit (42) and/or a bus voltage detection unit (43).
7. The circuit of one of the preceding claims, wherein the or each heating frequency generating unit (34, 35) comprises an inverter, in particular a generator, in particular an inverter using IGBTs and/or half bridges and/or using quasi-resonant signals, and/or
Wherein the first electrical power is supplied to the at least one heating unit (90, 91) by means of at least one heating frequency generation unit (34, 35), in particular by means of at least one heating frequency signal (36, 37), and/or
Wherein the or each heating frequency generating unit (34, 35) comprises a current detection unit (44), an IGBT voltage detection unit (45), an IGBT temperature detection unit (46) and/or an IGBT driver unit (47).
8. Circuit according to one of the preceding claims, wherein the first connection unit (49) and the second connection unit (71) are interconnected by a serial communication interface, in particular a galvanically isolated serial communication interface, preferably by means of at least one optocoupler, and/or
Wherein the third connection unit (73) comprises means for transmitting parameters to the operating device (80) and/or for receiving commands from the operating device (80), in particular means for transmitting temperature parameters to the operating device and/or for receiving temperature parameters from the operating device.
9. Circuit according to one of the preceding claims, wherein the fifth connection unit (82) is connected with the fourth connection unit (72) by a cable and/or a wireless connection, in particular with the fourth connection unit (72) using a wireless communication protocol, more particularly Bluetooth and/or IEEE 802.15.1, and/or
Wherein the first connection unit (49) is connected with the second connection unit (71) by a cable and/or a wireless connection, and/or
Wherein the third connection unit (73) is connected with the operating device (80) by a cable and/or a wireless connection.
10. Circuit according to one of the preceding claims, wherein one, at least one or each board (20, 70), in particular the power board and/or the interface board is a printed circuit board, PCB.
11. Cooking appliance (1) with an electrical circuit (2) according to one of the preceding claims, the cooking appliance (1) being in particular a hob and/or an induction cooking appliance, more in particular an induction hob.
12. Cooking appliance (1) with an electrical circuit (2) according to one of the preceding claims, the cooking appliance (1) being in particular a hob and/or an induction cooking appliance, more in particular an induction hob, wherein the cooking appliance (1) comprises one, at least one, in particular at least two, at least three or at least four heating units (90, 91), wherein each heating unit preferably comprises at least one inductor, more preferably at least one coil, and/or
Wherein the cooking appliance (1) comprises the operating device (80) and/or the at least one measuring device (81).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870202.4A CN112512148A (en) | 2019-09-16 | 2019-09-16 | Circuit for cooking appliance and cooking appliance |
| EP20771546.7A EP4032372A1 (en) | 2019-09-16 | 2020-09-11 | Electrical circuit for a cooking appliance and cooking appliance |
| PCT/EP2020/075431 WO2021052876A1 (en) | 2019-09-16 | 2020-09-11 | Electrical circuit for a cooking appliance and cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910870202.4A CN112512148A (en) | 2019-09-16 | 2019-09-16 | Circuit for cooking appliance and cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112512148A true CN112512148A (en) | 2021-03-16 |
Family
ID=72473567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910870202.4A Pending CN112512148A (en) | 2019-09-16 | 2019-09-16 | Circuit for cooking appliance and cooking appliance |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4032372A1 (en) |
| CN (1) | CN112512148A (en) |
| WO (1) | WO2021052876A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022243797A1 (en) | 2021-05-20 | 2022-11-24 | Precision Planting Llc | Slurry stirring device |
| WO2022259071A1 (en) | 2021-06-09 | 2022-12-15 | Precision Planting Llc | Micropump |
| GB202108314D0 (en) | 2021-06-10 | 2021-07-28 | Prec Planting Llc | Agricultural sampling system and related methods |
| GB202108293D0 (en) | 2021-06-10 | 2021-07-28 | Prec Planting Llc | Agricultural sampling system and related methods |
| GB202108294D0 (en) | 2021-06-10 | 2021-07-28 | Prec Planting Llc | Agricultural sampling system and related methods |
| EP4106491A1 (en) * | 2021-06-15 | 2022-12-21 | Aktiebolaget Electrolux | Induction cooking appliance |
| WO2023031727A1 (en) | 2021-08-31 | 2023-03-09 | Precision Planting Llc | Agricultural sampling system and related methods |
| WO2023042033A1 (en) | 2021-09-17 | 2023-03-23 | Precision Planting Llc | Agricultural sample handling system and related methods |
| EP4170241A1 (en) * | 2021-10-25 | 2023-04-26 | Electrolux Appliances Aktiebolag | Control device for a hob and hob with a control device |
| GB202116899D0 (en) | 2021-11-24 | 2022-01-05 | Prec Planting Llc | Agricultural sample handling system and related methods |
| WO2023170480A1 (en) | 2022-03-09 | 2023-09-14 | Precision Planting Llc | Soil analysis methods, systems and kits |
| WO2023227960A1 (en) | 2022-05-24 | 2023-11-30 | Precision Planting Llc | System for agricultural sample slurry analysis and related methods |
| WO2024023729A1 (en) | 2022-07-28 | 2024-02-01 | Precision Planting Llc | Agricultural sample packaging system and related methods |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5450305A (en) * | 1991-08-12 | 1995-09-12 | Auckland Uniservices Limited | Resonant power supplies |
| JP4855722B2 (en) * | 2005-06-30 | 2012-01-18 | 高周波熱錬株式会社 | Power supply control device, power supply device, power supply control method for power supply device, and induction heating device |
| JP4787553B2 (en) * | 2005-06-30 | 2011-10-05 | 高周波熱錬株式会社 | Power supply control device, power supply device, power supply device control method, and induction heating device |
| ES2311383B1 (en) * | 2006-11-21 | 2009-11-30 | Bsh Electrodomesticos España, S.A. | HEATING DEVICE CIRCUIT. |
| DE102008014804A1 (en) * | 2008-03-10 | 2009-06-18 | E.G.O. Elektro-Gerätebau GmbH | Controller for controlling function of household appliance i.e. induction hob, has circuit activating or deactivating supply depending on condition, and auxiliary main power supply supplying operating energy to circuit |
| ES2719259A1 (en) * | 2018-01-08 | 2019-07-09 | Bsh Electrodomesticos Espana Sa | Cooking field assembly for the production of cooking fields (Machine-translation by Google Translate, not legally binding) |
-
2019
- 2019-09-16 CN CN201910870202.4A patent/CN112512148A/en active Pending
-
2020
- 2020-09-11 WO PCT/EP2020/075431 patent/WO2021052876A1/en unknown
- 2020-09-11 EP EP20771546.7A patent/EP4032372A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021052876A1 (en) | 2021-03-25 |
| EP4032372A1 (en) | 2022-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112512148A (en) | Circuit for cooking appliance and cooking appliance | |
| AU2009211720B2 (en) | Power measuring system, measuring apparatus, load terminal, and device control system | |
| US8415826B2 (en) | Power outlet apparatus with multiple sockets detection, and detection method thereof | |
| US20110253706A1 (en) | Heating device with plural induction coils | |
| US20200112199A1 (en) | Integrated electrical management system and architecture | |
| JP2010049959A (en) | Induction heating cooker | |
| JP5127773B2 (en) | Built-in power measuring device and device equipped with the same | |
| KR20070068762A (en) | System for electrical safety diagnostic using personal digital assistants | |
| CN110178442A (en) | Induction heating cooker | |
| JP4879239B2 (en) | Current measuring device and current measuring system | |
| JP2010181378A (en) | Electric power measuring device, and equipment control device | |
| CN103797894A (en) | An induction generator for induction heating devices and a method of operating the induction generator for induction heating elements | |
| CN104101822A (en) | Wireless testing transformer control device | |
| US20090101638A1 (en) | Induction module, arrangement of several induction modules and method for installing such an induction module | |
| KR100880213B1 (en) | Apparatus for blocking and displaying a generated microwave in a warm displacement decorated pouf | |
| CN112394244B (en) | Detection circuit, electric appliance and control method | |
| JP5106510B2 (en) | Power measuring apparatus and power measuring method | |
| KR102019246B1 (en) | Electric range of bus communication type | |
| KR101305484B1 (en) | Apparatus for sensing a power state using one pole type sensor in industrial distribution board | |
| EP4170241A1 (en) | Control device for a hob and hob with a control device | |
| JP2013002814A (en) | Electric test plug device | |
| CN210168239U (en) | Power control circuit and heating electric appliance for reducing EMI interference | |
| RO126244A2 (en) | System for monitoring the electrical grounding connection | |
| EP4013190A1 (en) | Circuit device for a cooking device, in particular cooking hob, more in particular induction cooking hob and cooking device, in particular cooking hob, more in particular induction cooking hob | |
| CN102097755A (en) | High-voltage switch or bus temperature online detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |