DIELECTRIC CONSTANT ESTIMATION DEVICE AND MICROWAVE HEATING APPARATUS PROVIDED WITH DIELECTRIC CONSTANT ESTIMATION DEVICE

To provide a dielectric constant estimation device which can estimate a dielectric constant of an object with high accuracy in a non-contact state even when a shape of the object is indefinite, and a microwave heating device equipped with the dielectric constant estimation device. The dielectric con...

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Bibliographische Detailangaben
Hauptverfasser:	OGASAWARA, Fumitaka, SAKAMOTO, Yoshihiro
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEAT PUMP SYSTEMS HEATING ICE-BOXES INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MECHANICAL ENGINEERING OTHER DOMESTIC STOVES OR RANGES PHYSICS RANGES REFRIGERATION OR COOLING REFRIGERATORS TESTING VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	To provide a dielectric constant estimation device which can estimate a dielectric constant of an object with high accuracy in a non-contact state even when a shape of the object is indefinite, and a microwave heating device equipped with the dielectric constant estimation device. The dielectric constant estimation device includes a transmitting antenna (4) and a receiving antenna (6) which can switch a polarized wave of an electromagnetic wave between a TE wave and a TM wave. Based on a reflected wave of the TE wave and a reflected wave of the TM wave from the object, the dielectric constant estimation device calculates a TM/TE reflection ratio, and compares the calculated TM/TE reflection ratio and dielectric constant data of theoretical values stored in a memory part (10) in advance in the form of database with each other so that a dielectric constant of the object is estimated.