US 12,520,391 B2Granted

Systems and methods for mapping heat deposition in a cooking appliance through fast pattern temperature imaging

AssigneeSamsung Electronics Co., Ltd.

InventorsPedro Martinez Lopez, Santiago Ortega Avila, Brian R. Patton, Nigel A. Clarke, Ian David Parker, Sergio Perdices-Gonzalez, Sajid Hassan Sadi

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Abstract

In one embodiment, a method includes, by an electromagnetic device, generating an initial map of a temperature profile of a load disposed inside a cavity, emitting electromagnetic radiation into the cavity based on initial control parameter configurations, where a change in temperature of the load during the emission is measured by one or more sensors, generating updated maps of electromagnetic energy absorbed by the load based on the measured change in temperature of the load, where the updated maps comprise an indication of a spatial heating rate within the load, determining a sufficient number of the updated maps of electromagnetic energy absorbed by the load disposed inside the cavity have been measured, and, in response to determining that a sufficient number of the one or more updated maps of electromagnetic energy have been measured, storing the updated maps of electromagnetic energy absorbed by the load.

Claims20

Dependent claims

A method comprising, by an electromagnetic device:

for each particular combination of a plurality of different combinations of variable control parameters of the electromagnetic device that control heating by the electromagnetic device:
generating a first map T1 of a temperature profile of a load disposed inside a cavity of the electromagnetic device;
emitting electromagnetic radiation into the cavity, for a period of time, based on the particular combination of variable control parameters, wherein a subsequent temperature of the load resulting from the emission is measured by one or more sensors;
generating a subsequent map T2 of a temperature profile of the load after emitting the electromagnetic radiation;
and
determining a spatially-dependent, time-dependent heating map of the load due to the particular combination of control parameters by subtracting the first map T1 from the second map T2 and averaging the result over the period of time;
storing each of the spatially dependent, time-dependent heating maps of the load in association with the respective particular combination of variable control parameters of the plurality of different combinations of variable control parameters;
determining a current temperature of the load;
determining a target temperature of the load;
and
determining, based on the stored spatially dependent, time-dependent heating maps, the target temperature of the load, and the current temperature of the load, (1) a particular sequence of variable control-parameter combinations, and (2) for each variable control-parameter combination in the sequence, a corresponding amount of time to apply the each variable control-parameter combination in the sequence to automatically achieve the target temperature of the load.

8 more elements

An electromagnetic device comprising:

one or more emitters;
one or more non-transitory computer-readable storage media including instructions;
and
one or more processors coupled to the one or more emitters and the one or more storage media, the one or more processors configured to execute the instructions to:
for each particular combination of a plurality of different combinations of variable control parameters of the electromagnetic device that control heating by the electromagnetic device:
generate a first map T1 of a temperature profile of a load disposed inside a cavity of the electromagnetic device;
emit electromagnetic radiation into the cavity, for a period of time, based on the particular combination of variable control parameters, wherein a subsequent temperature of the load resulting from the emission is measured by one or more sensors;
generate a subsequent map T2 of a temperature profile of the load after emitting the electromagnetic radiation;
and
determine a spatially-dependent, time-dependent heating map of the load due to the particular combination of control parameters by subtracting the first map T1 from the second map T2 and averaging the result over the period of time;
store each of the spatially dependent, time-dependent heating maps of the load in association with the respective particular combination of variable control parameters of the plurality of different combinations of variable control parameters;
determine a current temperature of the load;
determine a target temperature of the load;
and
determine, based on the stored spatially dependent, time-dependent heating maps, the target temperature of the load, and the current temperature of the load, (1) a particular sequence of variable control-parameter combinations, and (2) for each variable control-parameter combination in the sequence, a corresponding amount of time to apply the each variable control-parameter combination in the sequence to automatically achieve the target temperature of the load.

12 more elements

A non-transitory computer-readable medium comprising instructions that, when executed by one or more processors of an electromagnetic device, cause the one or more processors to:

for each particular combination of a plurality of different combinations of variable control parameters of the electromagnetic device that control heating by the electromagnetic device:
generate a first map T1 of a temperature profile of a load disposed inside a cavity of the electromagnetic device;
emit electromagnetic radiation into the cavity, for a period of time, based on the particular combination of variable control parameters, wherein a subsequent temperature of the load resulting from the emission is measured by one or more sensors;
generate a subsequent map T2 of a temperature profile of the load after emitting the electromagnetic radiation;
and
determine a spatially-dependent, time-dependent heating map of the load due to the particular combination of control parameters by subtracting the first map T1 from the second map T2 and averaging the result over the period of time;
store each of the spatially dependent, time-dependent heating maps of the load in association with the respective particular combination of variable control parameters of the plurality of different combinations of variable control parameters;
determine a current temperature of the load;
determine a target temperature of the load;
and
determine, based on the stored spatially dependent, time-dependent heating maps, the target temperature of the load, and the current temperature of the load, (1) a particular sequence of variable control-parameter combinations, and (2) for each variable control-parameter combination in the sequence, a corresponding amount of time to apply the each variable control-parameter combination in the sequence to automatically achieve the target temperature of the load.

8 more elements

Dependencies are inferred from the claim text.