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公开(公告)号：EP4243572A3
公开(公告)日：2023-11-08
申请号：EP23182475.6
申请日：2019-09-05
发明人： TAKANO, Shinji , HIRAMOTO, Masayoshi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , UNO, Takashi , FUKUI, Mikio , HOSOKAWA, Daisuke
摘要： An RF energy radiation device includes a cavity in which a heating target object is to be placed, an RF signal generation unit, an RF amplifier, a radiation element, a temperature sensor, and a controller. The RF signal generation unit oscillates an RF signal. The RF amplifier amplifies the RF signal and provides RF energy. The radiation element radiates the RF energy into the cavity. The temperature sensor is disposed in the vicinity of the RF amplifier. The controller controls the RF amplifier so that the RF amplifier adjusts the RF energy output in accordance with the temperature detected by the temperature sensor and a plurality of threshold levels. This aspect can improve the reliability of the device.
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公开(公告)号：EP4006425A1
公开(公告)日：2022-06-01
申请号：EP20847613.5
申请日：2020-07-28
发明人： MAEDA, Kazuki , HOSOKAWA, Daisuke , OOMORI, Yoshiharu , YOSHINO, Koji , OGASAWARA, Fumitaka , UNO, Takashi
摘要： A microwave treatment device of the present disclosure includes heating chamber (1) for accommodating object (2) to be heated, microwave generator (3), heater (7), power feeder (4), detector (5), and controller (6). Microwave generator (3) generates microwaves. Heater (7) includes a heat source other than the microwaves and heats an inside of heating chamber (1). Power feeder (4) supplies the heating chamber with the microwaves. Detector (5) detects reflected power from power feeder (4). Controller (6) controls heater (7) and microwave generator (3). When heater (7) carries out heating, Controller (6) causes microwave generator (3) to generate the microwaves in heating by heater (7). The microwaves have output power such that the reflected power at a level detectable by detector (5) returns. By present disclosure, by understanding progress of cooking, a heating target can be appropriately cooked.
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公开(公告)号：EP4006422A1
公开(公告)日：2022-06-01
申请号：EP20846184.8
申请日：2020-07-28
发明人： OOMORI, Yoshiharu , HOSOKAWA, Daisuke , YOSHINO, Koji , MAEDA, Kazuki , UNO, Takashi , HIRAMOTO, Masayoshi , OGASAWARA, Fumitaka
摘要： A microwave treatment device of the present disclosure comprises: a heating chamber that accommodates a heating target; a microwave generator that generates a microwave with a frequency in a specified frequency band; an amplifier that amplifies the microwave generated by the microwave generator; a feeding unit that supplies the microwave amplified by the amplifier to the heating chamber; a detector that detects a reflected microwave power returned through the feeding unit; and a controller. The controller selects one of a plurality of frequencies in the specified frequency band and causes the microwave generator to generate the microwave with the selected frequency. The controller causes the amplifier to change an output power of the microwave so that the microwave supplied to the heating chamber has one of a plurality of output powers. The controller measures a reflected microwave frequency characteristic based on reflected microwave powers detected under each of a condition that the output power of the microwave is a first output power and a condition that the output power of the microwave is a second output power, where the first output power and the second output power are included in the plurality of output powers.
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公开(公告)号：EP3832211A1
公开(公告)日：2021-06-09
申请号：EP19843424.3
申请日：2019-07-25
发明人： UNO, Takashi , OGASAWARA, Fumitaka , IWATA, Motoyoshi , TAKANO, Shinji , FUKUI, Mikio , HOSOKAWA, Daisuke , HIRAMOTO, Masayoshi
摘要： A high-frequency heating apparatus includes: a heating chamber for accommodating a load; a microwave source; at least one radiator; a temperature detector; and a controller. The microwave source generates a microwave and adjusts the frequency and output of the microwave. The at least one radiator radiates a microwave into the heating chamber. The temperature detector detects the temperature in the heating chamber. The controller causes the microwave source to adjust the output of the microwave based on the temperature profile that defines the temperature change in the load, and the temperature in the heating chamber. According to this aspect, food can be heated in accordance with the temperature profile appropriate for the cooking recipe, thereby ensuring the quality of cooked food.
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