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Modified s-parameter measurement and usage in solid state RF oven electronics

A technology for electronic devices and measuring components, applied in the field of ovens, which can solve problems such as impossible identification, and achieve the effect of improving cooking performance or operator experience

Active Publication Date: 2019-12-13
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for oven cavities, it is generally not possible to identify the ports that effectively lead to a closed system where S-parameters can be measured in a conventional manner

Method used

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  • Modified s-parameter measurement and usage in solid state RF oven electronics
  • Modified s-parameter measurement and usage in solid state RF oven electronics
  • Modified s-parameter measurement and usage in solid state RF oven electronics

Examples

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Embodiment Construction

[0023] Some example embodiments will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all example embodiments are shown. Indeed, the examples described and illustrated herein should not be construed as limiting the scope, applicability or configuration of the present disclosure. Rather, these example embodiments are provided so that this disclosure will satisfy applicable legal requirements. The same reference numerals denote the same elements throughout. Also, as used herein, the term "or" should be interpreted as a logical operator that evaluates to true whenever one or more of its operands are true. As used herein, operatively coupled shall be understood to refer to a direct or indirect connection which, in either case, enables the functional interconnection of components that are operably coupled to each other.

[0024] Some exemplary embodiments may improve the cooking performance of an oven and / or may improve t...

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PUM

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Abstract

An oven includes a cooking chamber configured to receive a load and an RF heating system configured to provide RF energy into the cooking chamber using solid state electronic components. The solid state electronic components include power amplifier electronics configured to provide a signal into the cooking chamber via an antenna assembly. The power amplifier electronics include at least a first power amplifier and a second power amplifier operably coupled to the cooking chamber by respective ones of a first antenna and second antenna of the antenna assembly. The first and second antennas areoperably coupled to respective ones of the first and second power amplifiers via a first coupling structure and a second coupling structure, respectively. A directional coupler provided at a port section defined for at least one of the first and second coupling structures. The directional coupler is configured to provide a forward wave parameter and a reflected wave parameter to a measurement assembly configured to calculate modified S parameters at the port section.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to US Application No. 62 / 467,442, filed March 6, 2017, and US Application No. 15 / 903,219, filed February 23, 2018, the entire contents of which are incorporated herein by reference in their entirety. technical field [0003] The exemplary embodiments relate generally to ovens, and more particularly to ovens using radio frequency (RF) heating provided by solid-state electronics and calibration of equipment used in such ovens. Background technique [0004] Combination ovens capable of cooking with more than one heat source (eg, convection, steam, microwave, etc.) have been in use for decades. Each cooking source has its own unique set of characteristics. Thus, combination ovens can generally take advantage of each of the different cooking sources in an attempt to provide an improved cooking process in terms of time and / or quality. [0005] However, even with a combination of microwaves ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/68
CPCH05B6/686H05B2206/044A47J27/004A47J43/08A47J27/002Y02B40/00
Inventor 马尔科·卡卡诺米歇尔·斯克洛奇达尼埃莱·克里科
Owner ILLINOIS TOOL WORKS INC